Ha  search
Haakon County South Dakota  search
BTUnited States
 .South Dakota
 ..Haakon County South Dakota
Haast River  search
BTAustralasia
 .New Zealand
 ..Haast River
RTSouth Island
SNW South Island. Also index South Island.
Habana Cuba  search
NTHavana Cuba
 Isle of Pines
Habersham County Georgia  search
BTUnited States
 .Georgia
 ..Habersham County Georgia
habit  search
UFcrystal habit
RTminerals
 lattice
 crystal growth
 crystal form
habitat  search
RTbiotopes
 ecology
 fossils
 wilderness areas
Hachijo-jima  search
BTnshu
 .Izu-shichito
 ..Hachijo-jima
SNSecond largest island in Izu-shichito group about 180 miles S of Tokyo.
Hachinohe Japan  search
BTnshu
 .Aomori Japan
 ..Hachinohe Japan
SNCity in N Honshu.
Hackberry Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Cenozoic
 ...Paleogene
 ....Oligocene
 .....Hackberry Formation
RTLouisiana
 Texas
SNLouisiana and SE Texas. Added to Thesaurus in 1989.
Hadar  search
BTAfrica
 .East Africa
 ..Ethiopia
 ...Hadar
RTAfar
SNArchaeological site for fossil hominids in central Ethiopia. Added to Thesaurus in 1989.
Hadar Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Cenozoic
 ...Neogene
 ....Pliocene
 .....Hadar Formation
RTEthiopia
 Afar
SNIn the Afar region of Ethiopia.
Haddingtonshire Scotland  search
USEEast Lothian Scotland
Hadley Rill  search
USEHadley Rille
Hadley Rille  search
BTMoon
 .Hadley Rille
UFHadley Rill
Hadrosauridae  search
BTChordata
 .Vertebrata
 ..Tetrapoda
 ...Reptilia
 ....Diapsida
 .....Archosauria
 ......Ornithischia
 .......Ornithopoda
 ........Hadrosauridae
SNFamily. This term has multiple hierarchies.
Hadrynian  search
BTChronostratigraphic Units
 .Precambrian
 ..Proterozoic
 ...Neoproterozoic
 ....Hadrynian
SNNorth America. Above Helikian.
hafnium  search
BTmetals
 .hafnium
NTHf-177/Hf-176
UFHf
RTLu/Hf
 high-field-strength elements
Hagendorf  search
BTEurope
 .Central Europe
 ..Germany
 ...Bavaria Germany
 ....Hagendorf
SNRegion in E Bavaria.
Haghimas Syncline  search
BTEurope
 .Southern Europe
 ..Romania
 ...Haghimas Syncline
RTEastern Carpathians
Hai-ch'eng China  search
USEHaicheng China
Hai-nan Island  search
USEHainan China
Haicheng China  search
BTAsia
 .Far East
 ..China
 ...Liaoning China
 ....Haicheng China
UFHai-ch'eng China
RTHaicheng earthquake 1975
SNTown and county in province of Liaoning, NE China.
Haicheng earthquake 1975  search
BTearthquakes
 .Haicheng earthquake 1975
RTChina
 Liaoning China
 Haicheng China
SNEpicenter in Liaoning. Added to Thesaurus in 1989.
haidingerite  search
BTarsenates
 .haidingerite
Haifa Bay  search
BTAsia
 .Middle East
 ..Israel
 ...Haifa Bay
UFBay of Haifa
RTMediterranean Sea
 Galilee
SNInlet of the Mediterranean Sea off the coast of Galilee, N Israel. Added to Thesaurus in 1989.
Haifa Israel  search
BTAsia
 .Middle East
 ..Israel
 ...Haifa Israel
RTGeula Caves
SNDistrict in NE Israel. Including the city on the Mediterranean Sea.
Hail Saudi Arabia  search
BTAsia
 .Arabian Peninsula
 ..Saudi Arabia
 ...Hail Saudi Arabia
UFHayel
SNTown and oasis.
Hainan China  search
BTAsia
 .Far East
 ..China
 ...Hainan China
UFHai-nan Island
 Hainan Island
RTSouth China Sea
 Guangdong China
 Gulf of Tonkin
SNProvince. In South China Sea off the S coast of Guangdong China and E of Gulf of Tonkin. Until the late 1980's, was part of Guangdong province.
Hainan Island  search
USEHainan China
Hainaut Belgium  search
BTEurope
 .Western Europe
 ..Belgium
 ...Hainaut Belgium
RTMons Basin
SNProvince in SW Belgium.
Haiti  search
BTspaniola
 .Haiti
SNOccupies western third of island of Hispaniola.
Haiyuan earthquake 1920  search
BTearthquakes
 .Haiyuan earthquake 1920
RTChina
 Gansu China
 Ningxia China
 Qinghai-Xizang Plateau
SNBefore 1985, also search Haiyuan AND earthquakes. Added to Thesaurus in 1993.
Hajifa Formation  search
USEHanifa Formation
Hakodate Japan  search
BTkkaido
 .Hakodate Japan
RTOshima Peninsula
SNCity on Tsugaru Strait in Oshima sub-prefecture, SW Hokkaido.
Hakone  search
BTAsia
 .Far East
 ..Japan
 ...Hakone
RTHonshu
 Kanagawa Japan
 Mount Hakone
SNHot springs and mountain pass in Kanagawa Prefecture, SE Honshu. Before 1993, also used for nearby village. As of 1993, use Mount Hakone for the volcano and Hakone Japan for the village. Indexed with prefecture as applicable.
Hakone Volcano  search
USEMount Hakone
Hakusan  search
BTnshu
 .Hakusan
UFHakusan Volcano
RTvolcanoes
 Gifu Japan
 Ishikawa Japan
SNExtinct volcano on border of Ishikawa and Gifu prefectures, W Honshu. Indexed with prefectures as applicable.
Hakusan Volcano  search
USEHakusan
Halberstadt Germany  search
BTEurope
 .Central Europe
 ..Germany
 ...Saxony-Anhalt Germany
 ....Halberstadt Germany
SNCity in Saxony-Anhalt, central Germany.
Hale County Alabama  search
BTUnited States
 .Alabama
 ..Hale County Alabama
Hale County Texas  search
BTUnited States
 .Texas
 ..Hale County Texas
Haleakala  search
BTUnited States
 .Hawaii
 ..Maui County Hawaii
 ...Haleakala
UFHaleakala Volcano
RTvolcanoes
 national parks
 Maui
 Red Hill
SNVolcano on Maui Island, Hawaii. Also a national park. This term has multiple hierarchies. Added to Thesaurus in 1989.
Haleakala Volcano  search
USEHaleakala
Halecostomi  search
BTlostei
 .Halecostomi
UFPholidophoriformes
half grabens  search
UFhalf-grabens
RTtectonics
 faults
 listric faults
 systems
 grabens
 horsts
SNAdded to Thesaurus in 1993.
half space  search
USEhalf-space
half-grabens  search
USEhalf grabens
half-space  search
UFhalf space
RTseismology
 velocity
 impedance
Halfway Formation  search
RTAlberta
 British Columbia
 Middle Triassic
SNMiddle Triassic, British Columbia and Alberta. May occur in other locations. Indexed with age as applicable. Added to Thesaurus in 1995.
Haliburton County Ontario  search
BTCanada
 .Eastern Canada
 ..Ontario
 ...Haliburton County Ontario
SNBefore 1993, also search Haliburton in conjunction with Ontario.
halides  search
NTbromides
 chlorides
 fluoborates
 fluorides
 fluosilicates
 iodides
 zunyite
UFhalogenide
RTminerals
 calcium chloride
 potassium chloride
 sodium chloride
SNBefore 1981, sarcopside was included as a narrower term.
Halifax County North Carolina  search
BTUnited States
 .North Carolina
 ..Halifax County North Carolina
Halifax County Nova Scotia  search
BTCanada
 .Eastern Canada
 ..Maritime Provinces
 ...Nova Scotia
 ....Halifax County Nova Scotia
SNCentral Nova Scotia on the Atlantic Ocean.
Halifax County Virginia  search
BTUnited States
 .Virginia
 ..Halifax County Virginia
Halifax Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Ordovician
 ....Lower Ordovician
 .....Tremadocian
 ......Halifax Formation
RTNova Scotia
 Meguma Group
SNIn Meguma Group. Overlies Goldenville Formation. Added to Thesaurus in 1989.
Halifax Nova Scotia  search
BTlifax County Nova Scotia
 .Halifax Nova Scotia
SNCity on the Atlantic Ocean.
Halimeda  search
BTPlantae
 .algae
 ..Chlorophyta
 ...Chlorophyceae
 ....Codiaceae
 .....Halimeda
RTmicrofossils
SNIndexed with microfossils if applicable.
halite  search
BThalides
 .chlorides
 ..halite
UFcommon salt
 rock salt
RTgypsum
 chemically precipitated rocks
 sediments
 evaporites
 salt
 sodium chloride
 sylvinite
SNMineral.
Hall County Georgia  search
BTUnited States
 .Georgia
 ..Hall County Georgia
SNNE Georgia.
Hall County Nebraska  search
BTUnited States
 .Nebraska
 ..Hall County Nebraska
SNS central Nebraska.
Hall County Texas  search
BTUnited States
 .Texas
 ..Hall County Texas
SNNW Texas.
Halland Sweden  search
BTEurope
 .Western Europe
 ..Scandinavia
 ...Sweden
 ....Halland Sweden
SNCounty in SW Sweden.
Halle Bezirk  search
SNNo longer a valid term for GeoRef. District in SW central East Germany. See Saxony-Anhalt Germany and Thuringia Germany. Also see Halle Germany.
Halle Germany  search
BTEurope
 .Central Europe
 ..Germany
 ...Saxony-Anhalt Germany
 ....Halle Germany
SNCity in Saxony-Anhalt, E central Germany. As of 1981, Halle refers to only the city. Before 1981, it also included the East German district.
Halley's Comet  search
BTcomets
 .Halley's Comet
UFP/Halley
RTinterplanetary space
 extraterrestrial geology
 solar system
SNAdded to Thesaurus in 1989.
halloysite  search
BTsilicates
 .sheet silicates
 ..clay minerals
 ...halloysite
UFendellite
RTmetahalloysite
SNBefore 1982, also search metahalloysite.
Hallstatt Limestone  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Mesozoic
 ...Triassic
 ....Hallstatt Limestone
RTUpper Triassic
 Ladinian
 Carnian
 Austria
halmyrolysis  search
UFhalmyrosis
 submarine weathering
RTgeochemistry
 diagenesis
 sea water
 mineral-water interface
 water-rock interaction
halmyrosis  search
USEhalmyrolysis
Halobia  search
BTInvertebrata
 .Mollusca
 ..Bivalvia
 ...Pteriina
 ....Pectinacea
 .....Halobia
halocarbons  search
USEhalogenated hydrocarbons
haloes  search
UFhalos
RTmineral deposits, genesis
 geochemical anomalies
 aureoles
 Barrovian-type deposits
 zoning
 geochemical methods
 mineral exploration
 dispersion patterns
SNFor intrusions and metamorphism, use aureoles.
Halog India  search
BTmachal Pradesh India
 .Halog India
SNSettlement in S Himachal Pradesh, N India.
halogenated hydrocarbons  search
BTorganic compounds
 .halogenated hydrocarbons
NTchlorinated hydrocarbons
 chlorofluorocarbons
UFhalocarbons
RTpollutants
 hydrocarbons
 volatile organic compounds
SNAdded to Thesaurus in 1998.
halogenide  search
USEhalides
halogens  search
NTastatine
 bromine
 chlorine
 fluorine
 iodine
RTchemical elements
SNTerm reintroduced in 1982. Not a valid term from 1972-1981. Five chemical elements from group VIIA in the periodic table.
halokinesis  search
USEsalt tectonics
Halomorphic soils  search
BTsoils
 .Halomorphic soils
RTsoil group
 salinization
 saline soils
halos  search
USEhaloes
halotrichite  search
BTsulfates
 .halotrichite
UFiron alum
Halsingborg Sweden  search
BTEurope
 .Western Europe
 ..Scandinavia
 ...Sweden
 ....Malmohus Sweden
 .....Halsingborg Sweden
UFHelsingborg
SNCity on Oresund in SW Sweden.
Halten Bank  search
USEHaltenbanken
Haltenbanken  search
BTArctic Ocean
 .Norwegian Sea
 ..Haltenbanken
UFHalten Bank
SNOffshore Norway in the Norwegian Sea. Added to Thesaurus in 1995.
Hamamelididae  search
BTPlantae
 .Spermatophyta
 ..Angiospermae
 ...Dicotyledoneae
 ....Hamamelididae
Hamblen County Tennessee  search
BTUnited States
 .Tennessee
 ..Hamblen County Tennessee
Hamburg Germany  search
BTEurope
 .Central Europe
 ..Germany
 ...Hamburg Germany
RTAlster River
 Lower Saxony Germany
 Schleswig-Holstein Germany
 North German Plain
 Elbe River
SNCity state on both sides of the Elbe River in N Germany on the Schleswig-Holstein-Lower Saxony border.
Hamersley Basin  search
BTAustralasia
 .Australia
 ..Western Australia
 ...Hamersley Basin
Hamersley Group  search
BTChronostratigraphic Units
 .Precambrian
 ..Hamersley Group
RTAustralia
 Western Australia
Hamersley Range  search
BTAustralasia
 .Australia
 ..Western Australia
 ...Hamersley Range
SNIn NW Western Australia.
Hamilton County Florida  search
BTUnited States
 .Florida
 ..Hamilton County Florida
SNN Florida.
Hamilton County Illinois  search
BTUnited States
 .Illinois
 ..Hamilton County Illinois
SNSE Illinois.
Hamilton County Indiana  search
BTIndiana
 .Hamilton County Indiana
SNCentral Indiana.
Hamilton County Iowa  search
BTUnited States
 .Iowa
 ..Hamilton County Iowa
SNCentral Iowa.
Hamilton County Kansas  search
BTUnited States
 .Kansas
 ..Hamilton County Kansas
SNSW Kansas.
Hamilton County Nebraska  search
BTUnited States
 .Nebraska
 ..Hamilton County Nebraska
RTBig Blue River
SNSE central Nebraska.
Hamilton County New York  search
BTUnited States
 .New York
 ..Hamilton County New York
RTBlue Mountain Lake
SNNE central New York.
Hamilton County Ohio  search
BTUnited States
 .Ohio
 ..Hamilton County Ohio
SNExtreme SW Ohio.
Hamilton County Tennessee  search
BTUnited States
 .Tennessee
 ..Hamilton County Tennessee
SNSE Tennessee.
Hamilton County Texas  search
BTUnited States
 .Texas
 ..Hamilton County Texas
RTEdwards Aquifer
SNCentral Texas.
Hamilton Group  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Devonian
 ....Middle Devonian
 .....Hamilton Group
RTPennsylvania
 New York
 Maryland
 West Virginia
 Ludlowville Formation
 Mahantango Formation
 Marcellus Shale
 Moscow Formation
 Onondaga Limestone
SNDivisions include Onondaga Limestone, Marcellus Shale, Mahantango Formation, Speeds Formation, Deputy Formation, Silver Creek Formation, Swanville Formation, Beachwood Formation, Backoven (Bakoven) Shale, Mount Marion Formation, Ashokan Formation, Kiskato
Hamilton Ontario  search
BTCanada
 .Eastern Canada
 ..Ontario
 ...Hamilton Ontario
UFHamilton-Wentworth Ontario
SNMunicipal region. Area around and including city of Hamilton. At W end of Lake Ontario, S Ontario, Canada. Before 1993, also search Hamilton region AND Ontario.
Hamilton Quarry  search
BTUnited States
 .Kansas
 ..Greenwood County Kansas
 ...Hamilton Quarry
SNUpper Pennsylvanian fossil locality in SE Kansas. Added to Thesaurus in 1993.
Hamilton-Wentworth Ontario  search
USEHamilton Ontario
Hamlin County South Dakota  search
BTUnited States
 .South Dakota
 ..Hamlin County South Dakota
hamlinite  search
USEgoyazite
hammarite  search
BTsulfosalts
 .sulfobismuthites
 ..hammarite
Hampden Basalt  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Mesozoic
 ...Jurassic
 ....Lower Jurassic
 .....Hampden Basalt
RTMassachusetts
 Connecticut
 Newark Supergroup
SNIn Newark Supergroup. Central Connecticut and central Massachusetts. Overlies East Berlin Formation. Previously thought to be Upper Triassic in age. Added to Thesaurus in 1989.
Hampden County Massachusetts  search
BTUnited States
 .Massachusetts
 ..Hampden County Massachusetts
SNSW Massachusetts.
Hampshire Basin  search
BTEurope
 .Western Europe
 ..United Kingdom
 ...Great Britain
 ....England
 .....Hampshire Basin
SNS England.
Hampshire County Massachusetts  search
BTUnited States
 .Massachusetts
 ..Hampshire County Massachusetts
SNW central Massachusetts.
Hampshire County West Virginia  search
BTUnited States
 .West Virginia
 ..Hampshire County West Virginia
SNNE West Virginia.
Hampshire England  search
BTEurope
 .Western Europe
 ..United Kingdom
 ...Great Britain
 ....England
 .....Hampshire England
RTIsle of Wight England
SNCounty in S England. In 1974, the Isle of Wight became a separate county.
Hampshire Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Devonian
 ....Upper Devonian
 .....Hampshire Formation
RTVirginia
 Pennsylvania
 Maryland
 West Virginia
SNW Maryland, Pennsylvania, W Virginia, E West Virginia.
Hampton County South Carolina  search
BTUnited States
 .South Carolina
 ..Hampton County South Carolina
Han River basin  search
BTAsia
 .Far East
 ..China
 ...Han River basin
RTHubei China
 Shaanxi China
SNAlso search Han River; Han Kiang. Indexed with provinces as applicable.
Hanaoka Mine  search
BTnshu
 .Akita Japan
 ..Hanaoka Mine
RTmines
 metal ores
 Hokuroku Japan
SNIn Hokuroku District. Added to Thesaurus in 1993.
Hanawa Mine  search
BTnshu
 .Akita Japan
 ..Hanawa Mine
RTmines
 metal ores
SNMetal ores. Akita Prefecture in N Honshu.
Hancock County Georgia  search
BTUnited States
 .Georgia
 ..Hancock County Georgia
SNE central Georgia.
Hancock County Illinois  search
BTUnited States
 .Illinois
 ..Hancock County Illinois
SNW Illinois.
Hancock County Indiana  search
BTIndiana
 .Hancock County Indiana
SNCentral Indiana.
Hancock County Iowa  search
BTUnited States
 .Iowa
 ..Hancock County Iowa
SNN Iowa.
Hancock County Kentucky  search
BTUnited States
 .Kentucky
 ..Hancock County Kentucky
SNNW Kentucky.
Hancock County Maine  search
BTUnited States
 .Maine
 ..Hancock County Maine
SNS and SE Maine.
Hancock County Mississippi  search
BTUnited States
 .Mississippi
 ..Hancock County Mississippi
RTMississippi Sound
SNSE Mississippi.
Hancock County Ohio  search
BTUnited States
 .Ohio
 ..Hancock County Ohio
SNNW Ohio.
Hancock County Tennessee  search
BTUnited States
 .Tennessee
 ..Hancock County Tennessee
SNNE Tennessee.
Hancock County West Virginia  search
BTUnited States
 .West Virginia
 ..Hancock County West Virginia
SNNorthernmost county in West Virgina.
hand calculators  search
UFpocket calculators
RTdata processing
 microcomputers
 minicomputers
 computers
SNAdded to Thesaurus in 1981.
Hand County South Dakota  search
BTUnited States
 .South Dakota
 ..Hand County South Dakota
handbooks  search
USEmanuals
handling, data  search
USEdata handling
Hanford Reservation  search
BTUnited States
 .Washington
 ..Hanford Reservation
RTgovernment agencies
 Benton County Washington
 Pasco Basin
 nuclear facilities
 Grande Ronde Basalt
 Franklin County Washington
 Grant County Washington
SNAtomic energy facility in Benton, Franklin, and Grant counties in SE Washington. Indexed with counties as applicable.
Hangay Mountains  search
BTAsia
 .Far East
 ..Mongolia
 ...Hangay Mountains
UFChangai Mountains
 Hangay Range
 Hangayn Mountains
 Khangai Mountains
RTBayan-Nuurin-khotnor Basin
SNW central Mongolia. Also search Khangai.
Hangay Range  search
USEHangay Mountains
Hangayn Mountains  search
USEHangay Mountains
hanging wall  search
RTfaults
 foot wall
SNAdded to Thesaurus in 1989.
Hanifa Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Mesozoic
 ...Jurassic
 ....Upper Jurassic
 .....Hanifa Formation
UFHajifa Formation
RTOxfordian
 Kimmeridgian
 Abu Dhabi
 United Arab Emirates
 Saudi Arabia
SNSaudi Arabia and Abu Dhabi.
Hanna Basin  search
BTUnited States
 .Wyoming
 ..Hanna Basin
RTHanna Formation
SNS central Wyoming. Also search Hanna. Indexed with counties as applicable.
Hanna Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Cenozoic
 ...Paleogene
 ....Hanna Formation
RTPaleocene
 Eocene
 Wyoming
 Hanna Basin
SNS central Wyoming. Indexed with ages as applicable. Added to Thesaurus in 1989.
Hannover Germany  search
USEHanover Germany
Hanover County Virginia  search
BTUnited States
 .Virginia
 ..Hanover County Virginia
SNE central Virginia.
Hanover Germany  search
BTEurope
 .Central Europe
 ..Germany
 ...Lower Saxony Germany
 ....Hanover Germany
UFHannover Germany
SNCity in Lower Saxony. Former state of NW Germany.
hansey Aqu  search
Hansford County Texas  search
BTUnited States
 .Texas
 ..Hansford County Texas
Hanshin earthquake 1995  search
USEHyogo-ken Nanbu earthquake 1995
Hanson County South Dakota  search
BTUnited States
 .South Dakota
 ..Hanson County South Dakota
Hanson Creek Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Hanson Creek Formation
RTOrdovician
 Silurian
 Nevada
SNCentral Nevada. Middle Ordovician to Silurian. Indexed with ages as applicable. Added to Thesaurus in 1989.
Hanson Lake  search
RTSaskatchewan
SNNear Manitoba border in E Saskatchewan. Indexed with Saskatchewan if applicable.
Hantkenina  search
BTInvertebrata
 .Protista
 ..Foraminifera
 ...Rotaliina
 ....Globigerinacea
 .....Hantkenina
RTmicrofossils
SNGenus. Indexed with microfossils if applicable.
Hants County Nova Scotia  search
BTCanada
 .Eastern Canada
 ..Maritime Provinces
 ...Nova Scotia
 ....Hants County Nova Scotia
haplo-  search
SNIn rock composition experimental studies, this prefix refers to simple artificial mixtures of feldspars and diopside. As of 1995, use the compositional term with experimental studies or phase equilibria where appropriate e.g. for haplogranite, use graniti
Haplophragmoides  search
BTmicrofossils
 .Lituolidae
 ..Haplophragmoides
SNGenus. This term has multiple hierarchies.
Hapludalfs  search
BTsoils
 .Alfisols
 ..Hapludalfs
RTsoil group
SNGreat group in the suborder Udalfs.
Haralson County Georgia  search
BTUnited States
 .Georgia
 ..Haralson County Georgia
Harar Ethiopia  search
BTAfrica
 .East Africa
 ..Ethiopia
 ...Harar Ethiopia
UFHarer Ethiopia
 Harrar Ethiopia
SNProvince and city in E Ethiopia.
Harare Zimbabwe  search
BTAfrica
 .Southern Africa
 ..Zimbabwe
 ...Harare Zimbabwe
SNCity in NE Zimbabwe. Formerly Salisbury. Before 1993 also search (Harare OR Salisbury) AND (Zimbabwe).
harbors  search
RTshorelines
 waterways
Harbour Main Group  search
BTChronostratigraphic Units
 .Precambrian
 ..Harbour Main Group
RTCanada
 Newfoundland Island
SNOverlain with angular unconformity by Lower Cambrian strata. The Conception Group conformably overlies the Harbour Main Group except near the Holyrood Granite where it is unconformable. E Newfoundland.
hard ground  search
USEhardground
hard-ground  search
USEhardground
Hardanger Plateau  search
USEHardangervidda
Hardangervidda  search
BTEurope
 .Western Europe
 ..Scandinavia
 ...Norway
 ....Hardangervidda
UFHardanger Plateau
 Vidda
SNPlateau in Hordaland, SW Norway.
Hardee County Florida  search
BTUnited States
 .Florida
 ..Hardee County Florida
Hardeman Basin  search
BTUnited States
 .Hardeman Basin
RTOklahoma
 Texas
SNN Texas and SW Oklahoma. Indexed with counties or regions as applicable. Added to Thesaurus in 1989.
Hardeman County Tennessee  search
BTUnited States
 .Tennessee
 ..Hardeman County Tennessee
SNSW Tennessee.
Hardeman County Texas  search
BTUnited States
 .Texas
 ..Hardeman County Texas
SNN Texas.
hardground  search
UFhard ground
 hard-ground
RTocean floors
 paleoecology
 sedimentary rocks
 biogenic structures
 sediments
 unconformities
 marine environment
 compaction
 sedimentary structures
 lithofacies
 lithostratigraphy
 stratigraphic gaps
SNAdded to Thesaurus in 1982.
Hardin County Illinois  search
BTUnited States
 .Illinois
 ..Hardin County Illinois
SNSE Illinois.
Hardin County Iowa  search
BTUnited States
 .Iowa
 ..Hardin County Iowa
SNCentral Iowa.
Hardin County Kentucky  search
BTUnited States
 .Kentucky
 ..Hardin County Kentucky
SNCentral and N Kentucky.
Hardin County Ohio  search
BTUnited States
 .Ohio
 ..Hardin County Ohio
SNW central Ohio.
Hardin County Tennessee  search
BTUnited States
 .Tennessee
 ..Hardin County Tennessee
SNSW Tennessee.
Hardin County Texas  search
BTUnited States
 .Texas
 ..Hardin County Texas
SNE Texas.
Harding County New Mexico  search
BTUnited States
 .New Mexico
 ..Harding County New Mexico
SNNE New Mexico.
Harding County South Dakota  search
BTUnited States
 .South Dakota
 ..Harding County South Dakota
SNNW South Dakota.
hardness  search
RTmechanical properties
 microhardness
 minerals
 physical properties
 water hardness
Hardy County West Virginia  search
BTUnited States
 .West Virginia
 ..Hardy County West Virginia
SNE West Virginia.
Hare Bay  search
RTAtlantic Ocean
 Newfoundland Island
 North Atlantic
SNInlet near N tip of Newfoundland. May also occur in other locations. Indexed with Newfoundland Island if applicable.
Harebell Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Mesozoic
 ...Cretaceous
 ....Upper Cretaceous
 .....Harebell Formation
RTWyoming
SNUnconformable contacts with overlying Pinyon Conglomerate and underlying Bacon Ridge Sandstone. Teton County in NW Wyoming.
Harer Ethiopia  search
USEHarar Ethiopia
Harford County Maryland  search
BTUnited States
 .Maryland
 ..Harford County Maryland
SNNE Maryland.
Harghita Mountains  search
BTEurope
 .Southern Europe
 ..Romania
 ...Transylvania
 ....Harghita Mountains
UFHarghitei Mountains
SNE Transylvania.
Harghita Romania  search
BTEurope
 .Southern Europe
 ..Romania
 ...Transylvania
 ....Harghita Romania
SNCounty in E Transylvania.
Harghitei Mountains  search
USEHarghita Mountains
Hariana India  search
USEHaryana India
harkerite  search
BTsilicates
 .orthosilicates
 ..nesosilicates
 ...harkerite
Harlan County Kentucky  search
BTUnited States
 .Kentucky
 ..Harlan County Kentucky
SNSE Kentucky.
Harlan County Nebraska  search
BTUnited States
 .Nebraska
 ..Harlan County Nebraska
SNS Nebraska.
Harlech Dome  search
BTEurope
 .Western Europe
 ..United Kingdom
 ...Great Britain
 ....Wales
 .....Harlech Dome
SNN Wales. Added to Thesaurus in 1993.
Harlech Stage  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Cambrian
 ....Lower Cambrian
 .....Harlech Stage
Harlech Wales  search
BTEurope
 .Western Europe
 ..United Kingdom
 ...Great Britain
 ....Wales
 .....Merionethshire Wales
 ......Harlech Wales
SNVillage in Merionethshire (Gwynedd), W Wales. Before 1993, term sometimes used to refer to Harlech Dome.
Harmon County Oklahoma  search
BTUnited States
 .Oklahoma
 ..Harmon County Oklahoma
harmonic analysis  search
USEFourier analysis
harmonic folds  search
BTfolds
 .harmonic folds
RTdisharmonic folds
SNBefore 1978, search folds AND harmonic.
harmonics  search
RTgeodesy
harmotome  search
BTsilicates
 .framework silicates
 ..zeolite group
 ...harmotome
Harnett County North Carolina  search
BTUnited States
 .North Carolina
 ..Harnett County North Carolina
Harney County Oregon  search
BTUnited States
 .Oregon
 ..Harney County Oregon
RTBorax Lake
SNSE central Oregon.
Harney Peak Granite  search
BTUnited States
 .South Dakota
 ..Harney Peak Granite
RTProterozoic
 Paleoproterozoic
SNSW South Dakota. Added to Thesaurus in 1989.
Harper County Kansas  search
BTUnited States
 .Kansas
 ..Harper County Kansas
SNS Kansas.
Harper County Oklahoma  search
BTUnited States
 .Oklahoma
 ..Harper County Oklahoma
SNNW Oklahoma.
Harpidae  search
BTInvertebrata
 .Mollusca
 ..Gastropoda
 ...Harpidae
Harrar Ethiopia  search
USEHarar Ethiopia
Harrington Sound  search
BTAtlantic Ocean Islands
 .Bermuda
 ..Harrington Sound
Harris  search
RTOuter Hebrides
SNSouthern section of the island of Lewis in the Outer Hebrides off NW Scotland. In Western Isles region. Indexed with Outer Hebrides as applicable.
Harris County Georgia  search
BTUnited States
 .Georgia
 ..Harris County Georgia
SNW Georgia.
Harris County Texas  search
BTUnited States
 .Texas
 ..Harris County Texas
SNS Texas.
Harrisburg Pennsylvania  search
BTUnited States
 .Pennsylvania
 ..Dauphin County Pennsylvania
 ...Harrisburg Pennsylvania
SNCity in SE central Pennsylvania.
Harrison County Indiana  search
BTIndiana
 .Harrison County Indiana
SNS Indiana.
Harrison County Iowa  search
BTUnited States
 .Iowa
 ..Harrison County Iowa
SNW Iowa.
Harrison County Kentucky  search
BTUnited States
 .Kentucky
 ..Harrison County Kentucky
SNN Kentucky.
Harrison County Mississippi  search
BTUnited States
 .Mississippi
 ..Harrison County Mississippi
RTMississippi Sound
SNSE Mississippi.
Harrison County Missouri  search
BTUnited States
 .Missouri
 ..Harrison County Missouri
SNNW Missouri.
Harrison County Ohio  search
BTUnited States
 .Ohio
 ..Harrison County Ohio
SNE Ohio.
Harrison County Texas  search
BTUnited States
 .Texas
 ..Harrison County Texas
SNE Texas.
Harrison County West Virginia  search
BTUnited States
 .West Virginia
 ..Harrison County West Virginia
SNN West Virginia.
Harrison Lake  search
RTBritish Columbia
SNIn S British Columbia. Indexed with British Columbia if applicable.
Harrodsburg Limestone  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Carboniferous
 ....Mississippian
 .....Harrodsburg Limestone
RTKentucky
 Indiana
SNIndiana and N Kentucky. Added to Thesaurus in 1989.
Hart County Georgia  search
BTUnited States
 .Georgia
 ..Hart County Georgia
Hart County Kentucky  search
BTUnited States
 .Kentucky
 ..Hart County Kentucky
Hartberg Austria  search
BTEurope
 .Central Europe
 ..Austria
 ...Styria Austria
 ....Hartberg Austria
SNTown in Styria, SE Austria.
Hartford Basin  search
RTConnecticut
 Massachusetts
SNTriassic to Jurassic rift basin in central Connecticut and W Massachusetts. Indexed with states as applicable. Added to Thesaurus in 1989.
Hartford County Connecticut  search
BTUnited States
 .Connecticut
 ..Hartford County Connecticut
RTRoaring Brook Valley
SNN central Connecticut.
Hartland Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Hartland Formation
RTConnecticut
SNW Connecticut. Added to Thesaurus in 1989.
Hartley County Texas  search
BTUnited States
 .Texas
 ..Hartley County Texas
Harts Range  search
BTAustralasia
 .Australia
 ..Northern Territory Australia
 ...Harts Range
SNSE central Northern Territory, Australia. Added to Thesaurus in 1989.
Hartselle Sandstone  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Carboniferous
 ....Mississippian
 .....Upper Mississippian
 ......Hartselle Sandstone
RTAlabama
SNN, central and E Alabama. Added to Thesaurus in 1985.
Hartshorne Sandstone  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Carboniferous
 ....Pennsylvanian
 .....Middle Pennsylvanian
 ......Desmoinesian
 .......Hartshorne Sandstone
RTOklahoma
 Arkansas
 Krebs Group
SNIn Krebs Group. E Oklahoma and W Arkansas. Added to Thesaurus in 1985.
Hartzog Draw Field  search
BTUnited States
 .Wyoming
 ..Hartzog Draw Field
RToil and gas fields
 Campbell County Wyoming
 giant fields
 Johnson County Wyoming
 Powder River basin
SNCampbell and Johnson counties, Wyoming. Also search Hartzog Draw. Indexed with counties as applicable. Added to Thesaurus in 1989.
Haruna  search
BTnshu
 .Gumma Japan
 ..Haruna
UFHaruna Volcano
RTvolcanoes
SNVolcano in Gumma Prefecture in N central Honshu. Also a lake.
Haruna Volcano  search
USEHaruna
Harvey County Kansas  search
BTUnited States
 .Kansas
 ..Harvey County Kansas
SNS central Kansas.
Haryana India  search
BTAsia
 .Indian Peninsula
 ..India
 ...Haryana India
UFHariana India
RTDelhi Supergroup
SNState in N central India.
Harz Foreland  search
BTEurope
 .Central Europe
 ..Germany
 ...Harz Foreland
RTLower Saxony Germany
 Saxony Germany
 Harz region
SNCentral Germany. Before 1978, also search Harz. Indexed with states as applicable.
Harz Mountains  search
BTEurope
 .Central Europe
 ..Germany
 ...Harz Mountains
NTRammelsberg
RTLower Saxony Germany
 Saxony-Anhalt Germany
 Brocken Massif
 Harz region
SNMountain group between Elbe River and Weser River in SE Lower Saxony, and S Saxony-Anhalt, central Germany. Before 1978, also search Harz. Indexed with states as applicable.
Harz region  search
BTEurope
 .Central Europe
 ..Germany
 ...Harz region
RTLower Saxony Germany
 Saxony Germany
 Saxony-Anhalt Germany
 Harz Mountains
 Harz Foreland
SNHarz Foreland and Harz Mountains area of central Germany. Before 1978, also search Harz. Indexed with states as applicable.
harzburgite  search
BTigneous rocks
 .plutonic rocks
 ..ultramafics
 ...peridotites
 ....harzburgite
Haskell County Kansas  search
BTUnited States
 .Kansas
 ..Haskell County Kansas
SNSW Kansas.
Haskell County Oklahoma  search
BTUnited States
 .Oklahoma
 ..Haskell County Oklahoma
SNE Oklahoma.
Haskell County Texas  search
BTUnited States
 .Texas
 ..Haskell County Texas
SNNW central Texas.
Hassan India  search
BTAsia
 .Indian Peninsula
 ..India
 ...Karnataka India
 ....Hassan India
SNTown in S Karnataka, S India.
Hassi Messaoud Field  search
BTAfrica
 .North Africa
 ..Algeria
 ...Hassi Messaoud Field
UFHassi-Messaoud Field
RToil and gas fields
SNOil field near Great Eastern Erg in NE Algeria.
Hassi-Messaoud Field  search
USEHassi Messaoud Field
Hastings County Ontario  search
BTCanada
 .Eastern Canada
 ..Ontario
 ...Hastings County Ontario
SNSE Ontario.
hastingsite  search
BTsilicates
 .chain silicates
 ..amphibole group
 ...clinoamphibole
 ....hastingsite
RTferrohastingsite
Hat Creek Basalt  search
BTlocene
 .Hat Creek Basalt
RTCalifornia
SNRecent. Hat Creek Valley 10 miles NNE of Lassen Peak. Also search Hat Creek.
Hatay Turkey  search
BTAsia
 .Middle East
 ..Turkey
 ...Hatay Turkey
RTAnatolia
SNProvince in S Anatolia on the NW Syrian border.
Hatchetigbee Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Cenozoic
 ...Paleogene
 ....Eocene
 .....lower Eocene
 ......Hatchetigbee Formation
RTMississippi
 Alabama
 Wilcox Group
SNIn Wilcox Group. S Alabama and E Mississippi. Added to Thesaurus in 1985.
hatchettolite  search
USEbetafite
Hatchobaru Field  search
BTAsia
 .Far East
 ..Japan
 ...Kyushu
 ....Hatchobaru Field
RTgeothermal fields
 Otake Field
SNCentral Kyushu, Japan. Added to Thesaurus in 1989.
Hateg Romania  search
BTEurope
 .Southern Europe
 ..Romania
 ...Transylvania
 ....Hateg Romania
SNTown in Hunedoara county in SW Transylvania.
Hatseva Formation  search
USEHazeva Formation
Hatteras abyssal plain  search
BTAtlantic Ocean
 .North Atlantic
 ..Hatteras abyssal plain
RTDSDP Site 8
SNOff SE coast of U. S.
Hatteras Form  search
Hatteras Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Mesozoic
 ...Cretaceous
 ....Hatteras Formation
RTNorth Atlantic
 Atlantic Ocean
 DSDP Site 603
 Leg 93
 DSDP Site 604
 DSDP Site 605
SNNW Atlantic. Located in the Outer Hatteras Rise off Cape Hatteras. Added to Thesaurus in 1989.
Hattiesburg Mississippi  search
BTUnited States
 .Mississippi
 ..Forrest County Mississippi
 ...Hattiesburg Mississippi
SNCity in S Mississippi.
hausmannite  search
BToxides
 .hausmannite
RTmanganese minerals
Haut-Rhin France  search
BTEurope
 .Western Europe
 ..France
 ...Haut-Rhin France
RTAlsace
 Vosges Mountains
SNDepartment in NE France.
Haut-Zaire Congo Democratic Republic  search
USEUpper Zaire Congo Democratic Republic
Haute-Corse France  search
BTEurope
 .Western Europe
 ..France
 ...Corsica
 ....Haute-Corse France
SNDepartment in the northern part of Corsica.
Haute-Garonne France  search
BTEurope
 .Western Europe
 ..France
 ...Haute-Garonne France
RTSalat Valley
 Rodez Trough
SNDepartment in S France.
Haute-Loire France  search
BTEurope
 .Western Europe
 ..France
 ...Haute-Loire France
RTCentral Massif
SNDepartment in S central France.
Haute-Marne France  search
BTEurope
 .Western Europe
 ..France
 ...Haute-Marne France
RTChassigny Meteorite
Haute-Saone France  search
BTEurope
 .Western Europe
 ..France
 ...Haute-Saone France
Haute-Savoie France  search
BTEurope
 .Western Europe
 ..France
 ...Haute-Savoie France
NTSavoy Alps
RTAiguilles Rouges
 Chablais
 Lake Geneva
 Savoy
SNDepartment in E France.
Haute-Vienne France  search
BTEurope
 .Western Europe
 ..France
 ...Haute-Vienne France
SNDepartment of W central France.
Hauterivian  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Mesozoic
 ...Cretaceous
 ....Lower Cretaceous
 .....Hauterivian
RTZubair Formation
 Neocomian
SNEurope. Above Valanginian, below Barremian.
Hautes-Alpes France  search
BTEurope
 .Western Europe
 ..France
 ...Hautes-Alpes France
RTEoulx Basin
 Pelvoux Massif
SNDepartment in SE France.
Hautes-Pyrenees France  search
BTEurope
 .Western Europe
 ..France
 ...Hautes-Pyrenees France
SNDepartment in SW France.
Hauts-de-Seine France  search
BTEurope
 .Western Europe
 ..France
 ...Hauts-de-Seine France
SNDepartment in N France.
hauyne  search
BTsilicates
 .framework silicates
 ..sodalite group
 ...hauyne
UFhauynite
RTsulfates
hauynite  search
USEhauyne
Havana Cuba  search
BTHabana Cuba
 .Havana Cuba
SNCity on Straits of Florida in NW Cuba.
Haveroe Meteorite  search
BTmeteorites
 .stony meteorites
 ..achondrites
 ...ureilite
 ....Haveroe Meteorite
RTFinland
SNImpact in Turku area in SW Finland. Before 1981, also search Haveroe AND meteorites. Added to Thesaurus in 1981.
Haviland Kansas  search
BTUnited States
 .Kansas
 ..Kiowa County Kansas
 ...Haviland Kansas
RTimpact features
SNVillage in S central Kansas.
Haviland Meteorite  search
BTmeteorites
 .stony meteorites
 ..chondrites
 ...Haviland Meteorite
RTKansas
 Kiowa County Kansas
SNImpact in Kiowa County, Kansas. Before 1981, also search Haviland Kansas AND meteorites. Added to Thesaurus in 1981.
Hawaii  search
BTUnited States
 .Hawaii
BTEast Pacific Ocean Islands
 .Hawaii
BTOceania
 .Polynesia
 ..Hawaii
NTHawaii County Hawaii
 Honolulu County Hawaii
 Kalawao County Hawaii
 Kauai
 Kauai County Hawaii
 Maui County Hawaii
 Mauna Loa
 Molokai
UFHawaiian Islands
RTPacific Ocean
 Red Hill
SNState including all of the Hawaiian Islands. This term has multiple hierarchies.
Hawaii County Hawaii  search
BTUnited States
 .Hawaii
 ..Hawaii County Hawaii
NTHawaii Island
RTEast Rift Zone
 Mauna Loa
SNEntire island of Hawaii. This term has multiple hierarchies.
Hawaii Island  search
BTUnited States
 .Hawaii
 ..Hawaii County Hawaii
 ...Hawaii Island
NTAlae Crater
 Hilo Hawaii
 Hualalai
 Kilauea
 Kohala
 Kona
 Mauna Kea
 Puu Oo
RTEast Rift Zone
 Mauna Loa
 Loihi Seamount
SNSouthernmost and largest of islands of Hawaii. Conterminous with Hawaii County Hawaii. Before 1993, also search Hawaii County Hawaii. This term has multiple hierarchies. Added to Thesaurus in 1993.
Hawaii Ridge  search
USEHawaiian Ridge
Hawaiian Arch  search
USEHawaiian Ridge
Hawaiian Islands  search
USEHawaii
Hawaiian Ridge  search
BTPacific Ocean
 .North Pacific
 ..Northeast Pacific
 ...Hawaiian Ridge
UFHawaii Ridge
 Hawaiian Arch
SNNW of Hawaiian Islands. This term has multiple hierarchies.
hawaiian-type eruptions  search
RTeruptions
 volcanism
 volcanology
SNAdded to Thesaurus in 1981.
hawaiite  search
BTigneous rocks
 .volcanic rocks
 ..basalts
 ...alkali basalts
 ....hawaiite
Hawke's Bay New Zealand  search
BTAustralasia
 .New Zealand
 ..Hawke's Bay New Zealand
RTNorth Island
SNProvincial district on E North Island. Also index North Island.
Hawkesbury Sandstone  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Mesozoic
 ...Triassic
 ....Hawkesbury Sandstone
RTAustralia
 New South Wales Australia
Hawkins County Tennessee  search
BTUnited States
 .Tennessee
 ..Hawkins County Tennessee
Hawthorn Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Cenozoic
 ...Neogene
 ....Miocene
 .....Hawthorn Formation
UFHawthorne Formation
RTSouth Carolina
 Florida
 Peace River Formation
 Georgia
 Floridan Aquifer
SNIn Alum Bluff Group. Lower and middle Miocene. Central northern, N and S Florida; S and SE Georgia; South Carolina.
Hawthorne Formation  search
USEHawthorn Formation
Hayel  search
USEHail Saudi Arabia
Hayes County Nebraska  search
BTUnited States
 .Nebraska
 ..Hayes County Nebraska
Hayes fracture zone  search
BTAtlantic Ocean
 .North Atlantic
 ..Hayes fracture zone
RTMid-Atlantic Ridge
 DSDP Site 562
 DSDP Site 563
 DSDP Site 564
SNCrosses the Mid-Atlantic Ridge in the N North Atlantic. Indexed with Mid-Atlantic Ridge as applicable. Added to Thesaurus in 1989.
Hayes River Group  search
BTChronostratigraphic Units
 .Precambrian
 ..Archean
 ...Hayes River Group
RTManitoba
SNE Manitoba. Added to Thesaurus in 1989.
Hayesville Fault  search
BTUnited States
 .Hayesville Fault
RTNorth Carolina
 Georgia
 Tennessee
SNIndexed with states as applicable. Added to Thesaurus in 1989.
Hayfork Terrane  search
BTUnited States
 .Hayfork Terrane
RTCalifornia
 Oregon
 Pacific Coast
 Klamath Mountains
SNTectonostratigraphic unit, N California and S Oregon. Added to Thesaurus in 1985.
Haymond Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Carboniferous
 ....Pennsylvanian
 .....Lower Pennsylvanian
 ......Haymond Formation
RTTexas
SNOverlies Dimple Limestone; underlies Gaptank Formation. Marathon region in Brewster County in SW Texas.
Haynesville Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Mesozoic
 ...Jurassic
 ....Upper Jurassic
 .....Haynesville Formation
RTLouisiana
 Mississippi
 Texas
 Alabama
 Arkansas
SNAdded to Thesaurus in 1985.
Hays County Texas  search
BTUnited States
 .Texas
 ..Hays County Texas
RTBarton Springs
 Edwards Aquifer
SNS central Texas.
Hayward California  search
BTUnited States
 .California
 ..Alameda County California
 ...Hayward California
SNCity in W California.
Hayward Fault  search
BTUnited States
 .California
 ..Hayward Fault
RTSan Francisco Bay region
SNNE, E, and SE of San Francisco Bay. Indexed with counties or regions as applicable.
Haywood County North Carolina  search
BTUnited States
 .North Carolina
 ..Haywood County North Carolina
Haywood County Tennessee  search
BTUnited States
 .Tennessee
 ..Haywood County Tennessee
Hazara Pakistan  search
BTAsia
 .Indian Peninsula
 ..Pakistan
 ...North-West Frontier Pakistan
 ....Hazara Pakistan
SNDistrict.
hazardous waste  search
RTchemical waste
 dioxins
 environmental geology
 pollution
 radioactive waste
 Superfund
 toxic materials
 waste disposal
 waste disposal sites
SNAdded to Thesaurus in 1989.
hazards, geologic  search
USEgeologic hazards
Hazaribagh India  search
BTAsia
 .Indian Peninsula
 ..India
 ...Bihar India
 ....Hazaribagh India
RTBihar mica belt
SNTown and district in central Bihar, E India.
Hazel Formation  search
BTChronostratigraphic Units
 .Precambrian
 ..Hazel Formation
RTTexas
SNW Texas. Added to Thesaurus in 1985.
Hazelton Group  search
RTAlaska
 British Columbia
 Jurassic
SNJurassic? SE Alaska and British Columbia. Indexed with age or ages as applicable. Added to Thesaurus in 1985.
Hazen's Notch Formation  search
USEHazens Notch Formation
Hazens Notch Formation  search
UFHazen's Notch Formation
RTCambrian
 Vermont
SNCambrian?. Indexed with age or ages as applicable. Added to Thesaurus in 1989.
Hazeva Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Cenozoic
 ...Neogene
 ....Hazeva Formation
UFHatseva Formation
RTPliocene
 Miocene
 Israel
SNIndexed with Miocene and/or Pliocene as applicable.