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Thesaurus

Ho
USE	holmium

Hobart Australia
BT	Australasia
	.Australia
	..Tasmania Australia
	...Hobart Australia
SN	Coastal city in SE Tasmania.

Hobdo
SN	Not a valid term for GeoRef. See Kobdo Mongolia or Kobdo River.

Hobsogol Mongolia
USE	Khubsugul Mongolia

Hochschwab
BT	Europe
	.Alps
	..Hochschwab
BT	Europe
	.Central Europe
	..Austria
	...Hochschwab
RT	North Austrian Alps
SN	Mountain group in N Styria, Austria. This term has multiple hierarchies. Added to Thesaurus in 1985.

Hocking County Ohio
BT	United States
	.Ohio
	..Hocking County Ohio

Hockley County Texas
BT	United States
	.Texas
	..Hockley County Texas
SN	NW Texas.

Hodgeman County Kansas
BT	United States
	.Kansas
	..Hodgeman County Kansas
SN	SW central Kansas.

Hodna Basin
BT	Africa
	.North Africa
	..Algeria
	...Hodna Basin
RT	Constantine Algeria
SN	Interior drainage basin in NE Algeria.

hodographs
USE	traveltime curves

Hodrusa
BT	Europe
	.Central Europe
	..Slovakia
	...Hodrusa
SN	Ore bearing region.

hoegbomite
BT	oxides
	.hoegbomite
UF	hogbomite
RT	iron oxides
	boehmite

hogbomite
USE	hoegbomite

Hoggar Mountains
USE	Ahaggar

Hoghiz Romania
BT	Europe
	.Southern Europe
	..Romania
	...Transylvania
	....Brasov Romania
	.....Hoghiz Romania
SN	Village in Brasov County in SE Transylvania.

Hohe Tauern
BT	Europe
	.Central Europe
	..Austria
	...Hohe Tauern
BT	Europe
	.Alps
	..Eastern Alps
	...Hohe Tauern
RT	Salzburg State Austria
	Penninic Zone
	Tauern Window
	Tauern Tunnel
SN	Range of Eastern Alps in SW Austria. This term has multiple hierarchies.

Hohe Venn
BT	Europe
	.Hohe Venn
RT	North Rhine-Westphalia Germany
	Ardennes
	Stavelot-Venn Massif
	Liege Belgium
SN	Range of low mountains in Liege, E Belgium which extends into SW Germany. Indexed with Liege Belgium and/or North Rhine-Westphalia Germany as applicable.

Hoke County North Carolina
BT	United States
	.North Carolina
	..Hoke County North Carolina

Hokkaido
BT	Asia
	.Far East
	..Japan
	...Hokkaido
RT	Koma-ga-take
	Green Tuff Formation
	Green tuff region
	Hidaka Japan
	Hokkaido-Nansei-Oki earthquake 1993
	Honshu Arc
	Kuril Islands earthquake 1994
	Kushiro-Oki earthquake 1993
	Mitsuishi Japan
	Tokachi-Oki earthquake 1968
	Tsugaru Strait
SN	Northernmost of the four main islands.

Hokkaido-Nansei-Oki earthquake 1993
BT	earthquakes
	.Hokkaido-Nansei-Oki earthquake 1993
RT	Japan
	Japan Sea
	Hokkaido
SN	Epicenter offshore SW Hokkaido. Added to Thesaurus in 1998.

Hokkaido-Toho-Oki earthquake 1994
USE	Kuril Islands earthquake 1994

Hoko Gunto
USE	Penghu Islands

Hoko Shoto
USE	Penghu Islands

Hokuriku
BT	nshu
	.Hokuriku
RT	Chubu Japan
	Atotsugawa Fault
	Noto Peninsula
SN	Coastal district of the Chubu region, Noto Peninsula, central Honshu, Japan. Region of volcanic activity in Miocene.

Hokuroku Japan
BT	nshu
	.Akita Japan
	..Hokuroku Japan
RT	Hanaoka Mine
	Shakanai Mine
SN	District in Akita Prefecture, N Honshu, Japan.

Holbrook Arizona
BT	United States
	.Arizona
	..Navajo County Arizona
	...Holbrook Arizona
SN	Town in E central Arizona.

Holder Formation
BT	Chronostratigraphic Units
	.Phanerozoic
	..Paleozoic
	...Carboniferous
	....Pennsylvanian
	.....Upper Pennsylvanian
	......Holder Formation
RT	New Mexico
	Sacramento Mountains
	Magdalena Group
SN	In Magdalena Group. Sacramento Mountains of S New Mexico. Added to Thesaurus in 1995.

Holderness
BT	mberside England
	.Holderness
RT	Yorkshire England
SN	Peninsula in Humberside County in NE England. Before 1974, it was in Yorkshire County.

Holland
USE	Netherlands

hollandite
BT	oxides
	.hollandite
RT	manganese minerals
	coronadite

Hollister California
BT	United States
	.California
	..San Benito County California
	...Hollister California
SN	City in W central California.

Holmes County Florida
BT	United States
	.Florida
	..Holmes County Florida

Holmes County Mississippi
BT	United States
	.Mississippi
	..Holmes County Mississippi

Holmes County Ohio
BT	United States
	.Ohio
	..Holmes County Ohio

holmium
BT	metals
	.rare earths
	..holmium
UF	Ho

holmquistite
BT	silicates
	.chain silicates
	..amphibole group
	...orthoamphibole
	....holmquistite

Holocene
BT	Chronostratigraphic Units
	.Phanerozoic
	..Cenozoic
	...Quarternary
	....Holocene
BT	Chronostratigraphic Units
	.Phanerozoic
	..Cenozoic
	...Quaternary
	....Holocene
NT	Mesolithic
	Neolithic
UF	Post-glacial
	Postglacial
	Recent
RT	Bronze Age
	Chalcolithic
	Iron Age
	Blackwater Draw Formation
	Lake Bonneville
	Maunder minimum
	modern
	Yakataga Formation
SN	Recent. Late Quaternary, from Pleistocene to present time.

Holocephali
BT	Chordata
	.Vertebrata
	..Pisces
	...Chondrichthyes
	....Holocephali
SN	Subclass.

holography
RT	crystallography
	data processing
SN	Used as a general term in crystallography and geophysics.

Holostei
BT	Chordata
	.Vertebrata
	..Pisces
	...Osteichthyes
	....Actinopterygii
	.....Holostei
SN	Infraclass.

Holothuroidea
BT	Invertebrata
	.Echinodermata
	..Echinozoa
	...Holothuroidea
RT	sclerites

holotypes
RT	fossils
	paleobotany
	paleontology
	paratypes
	taxonomy
	type specimens
SN	Added to Thesaurus in 1981.

Holstein
BT	hleswig-Holstein Germany
	.Holstein
SN	Region in N Germany.

Holsteinian
BT	Chronostratigraphic Units
	.Phanerozoic
	..Cenozoic
	...Quarternary
	....Pleistocene
	.....Upper Pleistocene
	......Holsteinian
SN	Europe.

Holston Formation
BT	Chronostratigraphic Units
	.Phanerozoic
	..Paleozoic
	...Ordovician
	....Middle Ordovician
	.....Holston Formation
RT	Virginia
	North Carolina
	Georgia
	Tennessee
SN	E Tennessee, NW Georgia, W North Carolina and W Virginia. Added to Thesaurus in 1985.

Holt County Missouri
BT	United States
	.Missouri
	..Holt County Missouri

Holt County Nebraska
BT	United States
	.Nebraska
	..Holt County Nebraska

Holy Cross Mountains
USE	Swiety Krzyz Mountains

Holyoke Basalt
BT	Chronostratigraphic Units
	.Phanerozoic
	..Mesozoic
	...Jurassic
	....Lower Jurassic
	.....Holyoke Basalt
RT	Massachusetts
	Connecticut
	Newark Supergroup
SN	In Newark Supergroup. Central Connecticut and central Massachusetts. Previously thought to be Upper Triassic in age. Added to Thesaurus in 1989.

Holz Shale
BT	Chronostratigraphic Units
	.Phanerozoic
	..Mesozoic
	...Cretaceous
	....Upper Cretaceous
	.....Holz Shale
RT	California
	Ladd Formation
SN	In Ladd Formation. S California. Added to Thesaurus in 1989.

Holzmaden region
BT	Europe
	.Central Europe
	..Germany
	...Baden-Wurttemberg Germany
	....Holzmaden region
RT	Southwestern German Hills
	Swabian Alb
SN	E Baden-Wurttemberg, SW Germany. Added to Thesaurus in 1985.

Homalozoa
BT	Invertebrata
	.Echinodermata
	..Homalozoa

Homerian
BT	Chronostratigraphic Units
	.Phanerozoic
	..Paleozoic
	...Silurian
	....Wenlock
	.....Homerian

Homestake Mine
RT	California
	Colorado
	gold ores
	Gunnison County Colorado
	Lawrence County South Dakota
	mines
	Napa County California
	San Juan County Utah
	South Dakota
	United States
	Utah
SN	Largest gold mine in U. S., located in Lead, Lawrence County, W South Dakota. Also gold ores in Napa County, California; Gunnison County, Colorado, and San Juan County, Utah. Indexed with commodity AND counties or location as applicable.

Hominidae
BT	Chordata
	.Vertebrata
	..Tetrapoda
	...Mammalia
	....Theria
	.....Eutheria
	......Primates
	.......Hominidae
RT	fossil man
SN	Family. Considered a narrower term of Anthropoidea as of 1993. From 1981-1997, pre-Neanderthal was a narrower term.

Homo
BT	minidae
	.Homo
SN	Genus.

Homo erectus
BT	Mo
	.Homo erectus
SN	Species.

Homo habilis
BT	Mo
	.Homo habilis
SN	Species.

Homo neanderthalensis
USE	Homo sapiens neanderthalensis

Homo sapiens
BT	Mo
	.Homo sapiens
SN	Species. Subspecies are Homo sapiens neanderthalensis and Homo sapiens sapiens.

Homo sapiens neanderthalensis
BT	mo sapiens
	.Homo sapiens neanderthalensis
UF	Homo neanderthalensis
	Neanderthal
	Neanderthal man
RT	fossil man
	Homo sapiens sapiens
SN	Now commonly accepted as a subspecies or archaic variety of Homo sapiens.

Homo sapiens sapiens
BT	mo sapiens
	.Homo sapiens sapiens
RT	Homo sapiens neanderthalensis
SN	Modern man. Subspecies which has been more or less differentiated from Homo sapiens neanderthalensis (Neanderthal). Before 1998, also search Homo sapiens (and Homo sapiens neanderthalensis if applicable.)

homogeneity
RT	geophysical methods
	heterogeneity
	homogeneous materials
	seismology

homogeneous materials
RT	heterogeneous materials
	homogeneity
SN	Added to Thesaurus in 1981.

homogenization
RT	petrology
SN	Used as a general term.

Homoiostelea
BT	malozoa
	.Homoiostelea

homology
RT	anatomy
	biologic evolution
	functional morphology
	morphology
	natural analogs
	topology

homonymy
RT	nomenclature
	taxonomy

Homoptera
BT	miptera
	.Homoptera
UF	Homopteroida

Homopteroida
USE	Homoptera

Homostelea
BT	malozoa
	.Homostelea

Honaker Trail Formation
BT	Chronostratigraphic Units
	.Phanerozoic
	..Paleozoic
	...Honaker Trail Formation
RT	Permian
	Pennsylvanian
	Utah
	Hermosa Formation
SN	Pennsylvanian and Permian. In Hermosa Formation. SE Utah. Indexed with ages as applicable.

Honan China
USE	Henan China

Honduras
BT	Central America
	.Honduras
RT	Chortis Block

Honey Hill Fault
BT	United States
	.Connecticut
	..New London County Connecticut
	...Honey Hill Fault
SN	E Connecticut. Added to Thesaurus in 1989.

Hong Kong
BT	Asia
	.Far East
	..China
	...Hong Kong
UF	Xianggang China
RT	West Pacific Ocean Islands
SN	Former British crown colony which, in 1997, became a semi-independent Chinese special administrative region. It includes the island of Hong Kong; and Kowloon Peninsula and New Territories on mainland.

Honghe Fault
USE	Red River Fault

Honolulu County Hawaii
BT	United States
	.Hawaii
	..Honolulu County Hawaii
NT	Oahu
SN	Coterminous with island of Oahu. This term has multiple hierarchies.

Honolulu Hawaii
BT	United States
	.Hawaii
	..Honolulu County Hawaii
	...Oahu
	....Honolulu Hawaii
SN	City on island of Oahu. This term has multiple hierarchies.

Honshu
BT	Asia
	.Far East
	..Japan
	...Honshu
UF	Honshu Island
RT	Futaba Group
	Akiyoshi Limestone
	Chibaken-Toho-Oki earthquake 1987
	Chichibu Belt
	Ishikawa Japan
	DSDP Site 584
	Green Tuff Formation
	Green tuff region
	Hakone
	Hidaka Japan
	Honshu Arc
	Hyogo-ken Nanbu earthquake 1995
	Inland Sea
	Izu-Oshima earthquake 1978
	Izumi
SN	Largest of the Japanese islands, with adjacent small islands.

Honshu Arc
BT	Asia
	.Far East
	..Japan
	...Honshu Arc
RT	Honshu
	Hokkaido
SN	Central Japan. Added to Thesaurus in 1993.

Honshu Island
USE	Honshu

Hood County Texas
BT	United States
	.Texas
	..Hood County Texas

Hood River County Oregon
BT	United States
	.Oregon
	..Hood River County Oregon
RT	Mount Hood
SN	On Columbia River in NW Oregon.

Hooke's law
RT	deformation
	elastic limit
	elastic properties
	elastic strain
	strain
	stress

Hooker County Nebraska
BT	United States
	.Nebraska
	..Hooker County Nebraska

Hoosac

Hoosac Formation
UF	Hoosac Schist
RT	Proterozoic
	Neoproterozoic
	Cambrian
	Vermont
	Massachusetts
	Connecticut
SN	Lower Cambrian and Neoproterozoic. W Massachusetts, W Connecticut and S Vermont. Schist. Indexed with ages as applicable. Added to Thesaurus in 1993.

Hoosac Schist
USE	Hoosac Formation

hopanes
BT	organic compounds
	.hydrocarbons
	..aromatic hydrocarbons
	...hopanoids
	....hopanes
NT	moretanes
RT	biomarkers
	saturated hydrocarbons
SN	Hopanoids is a broader term as of 1998. This term has multiple hierarchies. Added to Thesaurus in 1985.

hopanoids
BT	organic compounds
	.hydrocarbons
	..aromatic hydrocarbons
	...hopanoids
BT	organic compounds
	.hydrocarbons
	..triterpanes
	...hopanoids
NT	hopanes
RT	biomarkers
SN	Pentacyclic triterpanes including the 17#2A(H), 21#2B(H) hopanes and the 17#2B(H), 21#2A(H) hopanes (moretanes). This term has multiple hierarchies.

Hope British Columbia
BT	Canada
	.Western Canada
	..British Columbia
	...Hope British Columbia
SN	Town in SW British Columbia.

Hopei China
USE	Hebei China

Hopi Buttes Field
BT	United States
	.Arizona
	..Navajo County Arizona
	...Hopi Buttes Field
SN	Volcanic field in Hopi and Navajo Indian reservations in Navajo County.

Hopkins County Kentucky
BT	United States
	.Kentucky
	..Hopkins County Kentucky

Hopkins County Texas
BT	United States
	.Texas
	..Hopkins County Texas

horiz

horizon differentiation
RT	differentiation
	horizons
	morphology
	pedogenesis
	soils

horizons
UF	soil horizon
	soil zone
RT	soils
	morphology
	horizon differentiation
	parent materials
	podzolization

horizontal
SN	A valid term through 1977. After 1977, use horizontal orientation.

horizontal discontinuities
BT	discontinuities
	.horizontal discontinuities
RT	mantle
	seismology
	crust
SN	Used for a type of interface in seismology. Added to Thesaurus in 1981.

horizontal drilling
BT	drilling
	.horizontal drilling
RT	mining geology
	petroleum engineering
	well-logging
	mineral exploration
	boreholes
	pipelines
SN	Before 1993, also search horizontal wells if applicable. Added to Thesaurus in 1993.

horizontal movements
RT	neotectonics
	tectonics
	vertical movements
SN	Added to Thesaurus in 1981.

horizontal orientation
RT	folds
	orientation
SN	Reference to folds defined on the basis of orientation in relation to the geographic horizontal plane. Before 1978, also search folds AND horizontal.

horizontal wells
SN	As of 1993, use horizontal drilling.

horizontal-component seismographs
BT	seismographs
	.horizontal-component seismographs
SN	Added to Thesaurus in 1981.

Horlick Mountains
BT	Antarctica
	.Horlick Mountains
SN	SE of S tip of Ross Ice Shelf.

Horn Plateau Formation
BT	Chronostratigraphic Units
	.Phanerozoic
	..Paleozoic
	...Devonian
	....Middle Devonian
	.....Givetian
	......Horn Plateau Formation
RT	Mackenzie District Northwest Territories
	Northwest Territories
SN	S Mackenzie District.

hornblende
BT	silicates
	.chain silicates
	..amphibole group
	...clinoamphibole
	....hornblende
RT	kaersutite

hornblende gneiss
SN	A valid metamorphic rock term through 1977. Use gneisses and hornblende.

hornblende schist
BT	metamorphic rocks
	.schists
	..hornblende schist
SN	Term reintroduced in 1982. Was valid through 1977. Before 1982, also search hornblende AND schists. Added to Thesaurus in 1982.

hornblendite
BT	igneous rocks
	.plutonic rocks
	..ultramafics
	...hornblendite

Hornbrook Formation
BT	Chronostratigraphic Units
	.Phanerozoic
	..Mesozoic
	...Cretaceous
	....Upper Cretaceous
	.....Hornbrook Formation
RT	California
	Oregon
SN	N California and SW Oregon. Added to Thesaurus in 1989.

Horne Mine
BT	Canada
	.Eastern Canada
	..Quebec
	...Horne Mine
RT	mines
	copper ores
	gold ores
	Noranda Quebec
SN	Copper and gold ores. Noranda area in SW Quebec.

hornfels
BT	metamorphic rocks
	.hornfels
RT	hornfels facies

hornfels facies
BT	facies
	.hornfels facies
RT	metamorphic rocks
	contact metamorphism
	hornfels
SN	Added to Thesaurus in 1982.

horns
UF	antlers
RT	glacial geology
	absolute age
	geomorphology
	morphology
	anatomy
	skulls
	dinosaurs
	Ruminantia
	Mammalia
SN	Used as a general term for a variety of topics.

hornstein
USE	chert

hornstone
USE	chert

Hornsund
BT	Arctic region
	.Svalbard
	..Spitsbergen
	...Spitsbergen Island
	....Hornsund
SN	Inlet on SW coast of Spitsbergen Island.

Horry County South Carolina
BT	United States
	.South Carolina
	..Horry County South Carolina
SN	Extreme E South Carolina.

horseflesh ore
USE	bornite

Horseshoe Canyon Formation
BT	Chronostratigraphic Units
	.Phanerozoic
	..Mesozoic
	...Cretaceous
	....Upper Cretaceous
	.....Horseshoe Canyon Formation
RT	Alberta
SN	Added to Thesaurus in 1989.

Horsethief Creek Group
BT	Chronostratigraphic Units
	.Precambrian
	..Proterozoic
	...Neoproterozoic
	....Horsethief Creek Group
RT	British Columbia
SN	E British Columbia. Added to Thesaurus in 1989.

Horsham Australia
BT	Australasia
	.Australia
	..Victoria Australia
	...Horsham Australia
SN	Town in W Victoria.

Horsham England
BT	Europe
	.Western Europe
	..United Kingdom
	...Great Britain
	....England
	.....Sussex England
	......Horsham England
SN	City in W Sussex, S England.

horsts
RT	block structures
	faults
	grabens
	half grabens
	systems

horticultural peat
BT	sediments
	.peat
	..horticultural peat
RT	agriculture
	peatlands
	humification
SN	Restricted to use as the commodity. Also search (agriculture OR horticulture); AND peat with economic in category. Added to Thesaurus in 1998.

Horton Group
BT	Chronostratigraphic Units
	.Phanerozoic
	..Paleozoic
	...Horton Group
RT	Devonian
	Dinantian
	New Brunswick
	Nova Scotia
SN	Devonian to Dinantian. Indexed with ages as applicable. Added to Thesaurus in 1989.

Hosgri Fault
BT	United States
	.California
	..Hosgri Fault
RT	San Luis Obispo County California
	San Andreas Fault
	Santa Barbara County California
	San Gregorio Fault
	Santa Maria Basin
SN	Santa Maria Basin, SW California. Component of San Andreas fault system. Indexed with counties as applicable. Added to Thesaurus in 1989.

Hosokura Mine
BT	nshu
	.Miyagi Japan
	..Hosokura Mine
RT	mines
	lead-zinc deposits
SN	Lead-zinc deposits, Miyagi, N Honshu. Added to Thesaurus in 1993.

Hosston Formation
BT	Chronostratigraphic Units
	.Phanerozoic
	..Mesozoic
	...Cretaceous
	....Lower Cretaceous
	.....Hosston Formation
RT	Louisiana
	Texas
	Arkansas
SN	Louisiana, Arkansas, and E and S Texas. Added to Thesaurus in 1985.

host rocks
RT	country rocks
	fluid inclusions
	inclusions
	mineral deposits, genesis
	mineral inclusions
	rocks
	turbidite
	veins
	wall rocks
	xenoliths
SN	Includes use for rock serving as a host for mineral deposits.

hot dry rocks
UF	dry hot rocks
RT	geothermal fields
	geothermal systems
	geothermal energy
SN	Before 1993, also search HDR. Added to Thesaurus in 1981.

hot spots
RT	Icelandic Plume
	magmas
	mantle
	mantle plumes
	plate tectonics
	plumes
	superplumes
	swells
	thermal anomalies
	volcanoes
	Yellowstone Hot Spot

Hot Spring County Arkansas
BT	United States
	.Arkansas
	..Hot Spring County Arkansas
SN	Central Arkansas.

hot springs
BT	springs
	.hot springs
UF	thermal springs
RT	ground water
	hydrothermal alteration
	thermal anomalies
	heat flow
	geothermal energy
	thermal waters
	geysers

Hot Springs County Wyoming
BT	United States
	.Wyoming
	..Hot Springs County Wyoming
RT	Bighorn River
	Owl Creek Mountains
	Wind River Indian Reservation
SN	N central Wyoming.

Houghton County Michigan
BT	United States
	.Michigan
	..Michigan Upper Peninsula
	...Houghton County Michigan
SN	NW Michigan Upper Peninsula. NW Michigan.

House Range
BT	United States
	.Utah
	..Millard County Utah
	...House Range
SN	Millard County in W Utah.

Houston County Alabama
BT	United States
	.Alabama
	..Houston County Alabama
SN	Extreme SE Alabama.

Houston County Georgia
BT	United States
	.Georgia
	..Houston County Georgia
SN	Central Georgia.

Houston County Minnesota
BT	United States
	.Minnesota
	..Houston County Minnesota
RT	Root River
SN	Extreme SE Minnesota.

Houston County Tennessee
BT	United States
	.Tennessee
	..Houston County Tennessee
SN	NW Tennessee.

Houston County Texas
BT	United States
	.Texas
	..Houston County Texas
SN	E Texas.

Houston Texas
BT	rris County Texas
	.Houston Texas
SN	City in E Texas.

Howard County Arkansas
BT	United States
	.Arkansas
	..Howard County Arkansas
SN	SW Arkansas.

Howard County Indiana
BT	Indiana
	.Howard County Indiana
SN	Central Indiana.

Howard County Iowa
BT	United States
	.Iowa
	..Howard County Iowa
SN	NE Iowa.

Howard County Maryland
BT	United States
	.Maryland
	..Howard County Maryland
SN	Central Maryland.

Howard County Missouri
BT	United States
	.Missouri
	..Howard County Missouri
SN	Central Missouri.

Howard County Nebraska
BT	United States
	.Nebraska
	..Howard County Nebraska
SN	E central Nebraska.

Howard County Texas
BT	United States
	.Texas
	..Howard County Texas
SN	NW Texas.

howardite
BT	meteorites
	.stony meteorites
	..achondrites
	...howardite
NT	Kapoeta Meteorite
	Malvern Meteorite
SN	Added to Thesaurus in 1981.

Howell County Missouri
BT	United States
	.Missouri
	..Howell County Missouri

Howgill Fells
BT	Europe
	.Western Europe
	..United Kingdom
	...Great Britain
	....England
	.....Howgill Fells
RT	Cumbria England
	North Yorkshire England
SN	Fossil locality. N England. Indexed with counties as applicable.

howieite
BT	silicates
	.chain silicates
	..howieite

Hoxnian
BT	Chronostratigraphic Units
	.Phanerozoic
	..Cenozoic
	...Quarternary
	....Pleistocene
	.....Upper Pleistocene
	......Hoxnian
SN	Europe.

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