Rh  search
USErhodium
rhabdite  search
USEschreibersite
Rhabdomesidae  search
BTInvertebrata
 .Bryozoa
 ..Cryptostomata
 ...Rhabdomesidae
SNFamily.
rhabdophane  search
BTphosphates
 .rhabdophane
Rhabdopleurida  search
BTPterobranchia
 .Rhabdopleurida
UFRhapdopleurida
RTInvertebrata
 Hemichordata
SNIndexed with Hemichordata or Invertebrata as applicable.
Rhadames Basin  search
USEGhadames Basin
Rhaetia  search
Rhaetian  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Mesozoic
 ...Triassic
 ....Upper Triassic
 .....Rhaetian
SNEurope. Above Norian, below Hettangian (Jurassic).
Rhaetian Alps  search
BTEurope
 .Alps
 ..Central Alps
 ...Rhaetian Alps
NTAdamello Massif
RTLombardy Italy
 Austria
 Graubunden Switzerland
SNDivision of Central Alps principally in Graubunden Canton, Switzerland. Indexed with countries as applicable.
Rhapdopleurida  search
USERhabdopleurida
Rhea County Tennessee  search
BTUnited States
 .Tennessee
 ..Rhea County Tennessee
Rhea Sate  search
Rhea Satellite  search
RTicy satellites
 satellites
 Saturn
 Voyager Program
SNOne of the satellites of Saturn. Before 1985, also search Rhea AND Saturn. Added to Thesaurus in 1985.
Rhein River  search
USERhine River
Rhein Valley  search
USERhine Valley
Rheingau  search
BTsse Germany
 .Rheingau
SNRegion on S slope of Rheingau Mountains on right bank of Rhine E of Rudesheim in extreme W Hesse.
Rheinland  search
USERhineland
Rhenish Hesse  search
BTEurope
 .Central Europe
 ..Germany
 ...Rhineland-Palatinate Germany
 ....Rhenish Hesse
SNAdministrative division along the left bank of the Rhine River with Worms and Mainz the major cities.
Rhenish Massif  search
USERhenish Schiefergebirge
Rhenish Schiefergebirge  search
BTEurope
 .Rhenish Schiefergebirge
NTEifel
 Taunus
 Westerwald
UFRhenish Massif
 Rhenish Slate Mountains
 Rhine Massif
 Schiefergebirge
RTNorth Rhine-Westphalia Germany
 Belgium
 Ardennes
 Luxembourg
 Ebbe Anticlinorium
 Rhineland-Palatinate Germany
 Hesse Germany
SNRhenish Slate Mountains. Extensive plateau with Belgium and Luxembourg on the W, the Lahn River on the E, the Bonn area in the N, and including the Taunus, Westerwald, Eifel, and on the south, the Hunsruck. Indexed with German states and/or Belgium and/or
Rhenish Slate Mountains  search
USERhenish Schiefergebirge
rhenium  search
BTmetals
 .rhenium
UFRe
RTRe/Os
Rheno-hercynian Zone  search
USERhenohercynian
Rhenohercynian  search
UFRheno-hercynian Zone
 Rhenohercynicum
RTPaleozoic
 Europe
 Hercynian Orogeny
 Variscides
SNZone. A tectonostratigraphic unit of the Variscides, Europe. Indexed with age as applicable. Added to Thesaurus in 1995.
Rhenohercynicum  search
USERhenohercynian
rheology  search
RTconstitutive equations
 deformation
 dislocation creep
 flow lines
 flow mechanism
 plastic deformation
 relaxation
 viscosity
rheomorphism  search
RTmetamorphism
Rhin River  search
USERhine River
Rhin Valley  search
USERhine Valley
Rhine Basin  search
BTEurope
 .Rhine Basin
UFRhine region
RTSwitzerland
 France
 Austria
 Germany
 Netherlands
 Lake Constance
 Lower Rhine Basin
 Liechtenstein
SNAlso search Rhine. Indexed with Lake Constance and countries as applicable.
Rhine Graben  search
BTEurope
 .Central Europe
 ..Rhine Graben
NTLower Rhine Graben
 Swiss Rhine Graben
 Upper Rhine Graben
UFRhine Trough
RTSwitzerland
 Germany
 Mulhouse Basin
SNRift valley extending N from Basel to Mainz.
Rhine Massif  search
USERhenish Schiefergebirge
Rhine region  search
USERhine Basin
Rhine River  search
BTEurope
 .Rhine River
UFRhein River
 Rhin River
 Rijn River
RTSwitzerland
 France
 Austria
 Germany
 Netherlands
 Lake Constance
 Bergisches Land
 Liechtenstein
SNFormed by confluence of the Hinterrhein and the Vorderrhein rivers in SE Switzerland; it flows through Lake Constance and then W, N, and NW to the North Sea. Also search Rhine. Indexed with Lake Constance and countries as applicable.
Rhine Trough  search
USERhine Graben
Rhine Valley  search
BTEurope
 .Rhine Valley
UFRhein Valley
 Rhin Valley
 Rijn Valley
RTSwitzerland
 France
 Germany
 Netherlands
 Upper Rhine Valley
 Lower Rhine Basin
SNCommonly recognized as that part of the river valley extending from Basel, Switzerland, to the North Sea. Also search Rhine. Indexed with countries as applicable.
Rhine Westphalian Basin  search
BTEurope
 .Central Europe
 ..Germany
 ...Rhine Westphalian Basin
SNAdded to Thesaurus in 1981.
Rhineland  search
BTEurope
 .Central Europe
 ..Germany
 ...Rhineland
UFRheinland
RTNorth Rhine-Westphalia Germany
 Rhineland-Palatinate Germany
SNRegion. The part of Germany W of the Rhine River (left bank). Indexed with states as applicable.
Rhineland-Palatinate Germany  search
BTEurope
 .Central Europe
 ..Germany
 ...Rhineland-Palatinate Germany
NTEifel
 Hunsruck
 Laacher See
 Mainz Germany
 Meerfeld crater lake
 Rhenish Hesse
RTRhenish Schiefergebirge
 Palatinate
 Upper Rhine Valley
 Saar Basin
 Westerwald
 Hunsruck Shale
 Lahn River
 Lahn River valley
 Mainz Basin
 Nahe River
 Saar-Nahe Basin
 Rhineland
Rhinoceros  search
BTChordata
 .Vertebrata
 ..Tetrapoda
 ...Mammalia
 ....Theria
 .....Eutheria
 ......Perissodactyla
 .......Ceratomorpha
 ........Rhinocerotidae
 .........Rhinoceros
Rhinocerotidae  search
BTChordata
 .Vertebrata
 ..Tetrapoda
 ...Mammalia
 ....Theria
 .....Eutheria
 ......Perissodactyla
 .......Ceratomorpha
 ........Rhinocerotidae
NTCoelodonta antiquitatis
 Rhinoceros
SNFamily.
Rhipidistia  search
BTChordata
 .Vertebrata
 ..Pisces
 ...Osteichthyes
 ....Sarcopterygii
 .....Crossopterygii
 ......Rhipidistia
SNSuborder.
rhizoconcretions  search
USErhizoliths
Rhizocorallium  search
BTichnofossils
 .Rhizocorallium
SNGenus.
rhizoliths  search
BTsedimentary structures
 .rhizoliths
UFrhizoconcretions
 rhizomorphs
 root casts
RTbiogenic structures
 concretions
 roots
SNAlso index biogenic structures if applicable.
rhizomorphs  search
USErhizoliths
Rhode Island  search
BTUnited States
 .Rhode Island
NTBristol County Rhode Island
 Kent County Rhode Island
 Narragansett Bay
 Newport County Rhode Island
 Providence County Rhode Island
 Washington County Rhode Island
RTAtlantic Coastal Plain
 Avalon Zone
 Blackstone Series
 Block Island Sound
 Bloody Bluff Fault
 Lake Char Fault
 Narragansett Basin
 Narragansett Pier Granite
 Westerly Granite
Rhodes  search
BTMediterranean region
 .Aegean Islands
 ..Greek Aegean Islands
 ...Dodecanese
 ....Rhodes
RTHellenic Arc
SNLargest island of the Dodecanese off SW Turkey. This term has multiple hierarchies.
Rhodesia  search
USEZimbabwe
Rhodesian Plateau  search
BTAfrica
 .Southern Africa
 ..Zimbabwe
 ...Rhodesian Plateau
SNPart of great South African plateau.
rhodium  search
BTmetals
 .platinum group
 ..rhodium
UFRh
RTrhodium ores
SNChemical element. As of 1985, use rhodium ores for rhodium as a commodity.
rhodium ores  search
BTmetal ores
 .rhodium ores
RTplatinum ores
 rhodium
SNBefore 1985, also search rhodium AND (deposit OR deposits OR ore OR ores OR economic) in the basic index.
rhodochrosite  search
BTcarbonates
 .rhodochrosite
UFdialogite
RTmanganese minerals
 manganese ores
 rhodonite
rhodonite  search
BTsilicates
 .chain silicates
 ..rhodonite
RTmanganese minerals
 manganese ores
 ornamental materials
 rhodochrosite
Rhodope Greece  search
BTEurope
 .Southern Europe
 ..Greece
 ...Greek Thrace
 ....Rhodope Greece
SNDepartment in central Greek Thrace, NE Greece. This term has multiple hierarchies.
Rhodope Massif  search
USERhodope Mountains
Rhodope Mountains  search
BTEurope
 .Southern Europe
 ..Rhodope Mountains
NTBulgarian Rhodope Mountains
UFRhodope Massif
RTBulgaria
 Rila Mountains
 Greek Macedonia
 Greek Thrace
SNMajor mountain system primarily in S Bulgaria. Also search Rhodope. Indexed with countries as applicable.
Rhodophyta  search
BTPlantae
 .algae
 ..Rhodophyta
NTCorallinaceae
 Gymnocodiaceae
UFred algae
RTmicrofossils
SNIncluding red algae. Indexed with microfossils if applicable.
Rhoen Mountains  search
USERhon Mountains
Rhon Mountains  search
BTEurope
 .Central Europe
 ..Germany
 ...Rhon Mountains
UFRhoen Mountains
RTBavaria Germany
 Thuringia Germany
 Hesse Germany
SNAlso search Rhon. Indexed with states as applicable.
Rhone Basin  search
USERhone Valley
Rhone Delta  search
BTEurope
 .Western Europe
 ..France
 ...Bouches-du-Rhone France
 ....Rhone Delta
RTGulf of Lion
SNOn Gulf of Lion W of Marseilles.
Rhone France  search
BTEurope
 .Western Europe
 ..France
 ...Rhone France
NTLyons France
RTMonts du Lyonnais
SNDepartment in E central France.
Rhone River  search
BTEurope
 .Western Europe
 ..Rhone River
RTSwitzerland
 France
 Lake Geneva
SNRises in Rhone Glacier in S central Switzerland; it flows through Lake Geneva and then W and S into the Gulf of Lion. Indexed with Lake Geneva and countries as applicable.
Rhone River valley  search
USERhone Valley
Rhone Valley  search
BTEurope
 .Western Europe
 ..Rhone Valley
UFRhone Basin
 Rhone River valley
RTSwitzerland
 France
 Lake Geneva
 Saone-Rhone Basin
SNIndexed with Lake Geneva and countries as applicable.
rhonite  search
BTsilicates
 .chain silicates
 ..rhonite
RTaenigmatite
Rhuddanian  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Silurian
 ....Llandovery
 .....Rhuddanian
Rhum  search
BTbrides
 .Inner Hebrides
 ..Rhum
BTghland region Scotland
 .Inverness-shire Scotland
 ..Rhum
UFRhum Island
 Rum
SNIsle of Rhum. One of the Inner Hebrides S and SE of the Isle of Skye. This term has multiple hierarchies.
Rhum Island  search
USERhum
Rhyacian  search
BTChronostratigraphic Units
 .Precambrian
 ..Proterozoic
 ...Paleoproterozoic
 ....Rhyacian
rhyacolite  search
USEsanidine
Rhynchocephalia  search
USERhynchosauria
Rhynchonellida  search
BTInvertebrata
 .Brachiopoda
 ..Articulata
 ...Rhynchonellida
NTRhynchonellidae
Rhynchonellidae  search
BTInvertebrata
 .Brachiopoda
 ..Articulata
 ...Rhynchonellida
 ....Rhynchonellidae
SNFamily.
Rhynchosauria  search
BTChordata
 .Vertebrata
 ..Tetrapoda
 ...Reptilia
 ....Diapsida
 .....Rhynchosauria
UFRhynchocephalia
RTLepidosauria
SNOrder.
rhyodacites  search
BTigneous rocks
 .volcanic rocks
 ..rhyodacites
NTdellenite
 quartz latite
rhyolite porphyry  search
BTigneous rocks
 .volcanic rocks
 ..rhyolites
 ...rhyolite porphyry
RTporphyry
rhyolite tuff  search
BTigneous rocks
 .volcanic rocks
 ..pyroclastics
 ...rhyolite tuff
RTtuff
rhyolites  search
BTigneous rocks
 .volcanic rocks
 ..rhyolites
NTcomendite
 liparite
 liparite porphyry
 pantellerite
 quartz porphyry
 rhyolite porphyry
RTmetarhyolite
 rhyolitic composition
SNBefore 1981, search andesite-rhyolite family.
rhyolitic composition  search
RTcomposition
 igneous rocks
 rhyolites
SNBefore 1978, search rhyolitic; rhyolitic AND composition.
rhyotaxitic texture  search
USEflow texture
rhythmic bedding  search
BTsedimentary structures
 .planar bedding structures
 ..rhythmic bedding
RTbedding
 cyclothems
 rhythmite
rhythmite  search
BTsedimentary structures
 .planar bedding structures
 ..rhythmite
RTsedimentation
 rhythmic bedding
 laminite
 cyclothems