Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Int  |
|---|
| intensities | |
|---|---|
| USE | intensity |
| intensity | |
|---|---|
| UF | intensities |
| RT | particles |
| cosmic rays | |
| interplanetary space | |
| seismic intensity | |
| solar cycles | |
| magnetic intensity | |
| magnitude | |
| SN | General term as of 1981. For intensity of earthquakes, use seismic intensity. |
| interactions, boundary | |
|---|---|
| USE | boundary interactions |
| interactive analysis | |
|---|---|
| USE | interactive techniques |
| interactive methods | |
|---|---|
| USE | interactive techniques |
| interactive techniques | |
|---|---|
| UF | interactive analysis |
| interactive methods | |
| RT | data processing |
| SN | Added to Thesaurus in 1985. |
| interface, air-sea | |
|---|---|
| USE | air-sea interface |
| interface, oil-gas | |
|---|---|
| USE | oil-gas interface |
| interface, oil-water | |
|---|---|
| USE | oil-water interface |
| interface, sediment-water | |
|---|---|
| USE | sediment-water interface |
| interfaces | |
|---|---|
| RT | air-sea interface |
| air-water interface | |
| gas-water interface | |
| mineral-water interface | |
| oil-gas interface | |
| oil-water interface | |
| sediment-water interface | |
| soil-structure interface | |
| surfactants | |
| water-rock interaction | |
| SN | Added to Thesaurus in 1981. |
| interfacial tension | |
|---|---|
| USE | surface tension |
| interference patterns | |
|---|---|
| RT | folds |
| foliation | |
| patterns | |
| petrofabrics | |
| structural analysis | |
| SN | Added to Thesaurus in 1985. |
| interferometry | |
|---|---|
| RT | very long baseline interferometry |
| SN | General term appropriate for many topics. |
| interglacial | |
|---|---|
| SN | A valid term through 1977. After 1977, see interglacial environment or specific interglacial stage. |
| interglacial environment | |
|---|---|
| RT | depositional environment |
| glacial environment | |
| glacial geology | |
| interstadial environment | |
| late-glacial environment | |
| paleoclimatology | |
| sedimentation | |
| SN | Before 1978, search interglacial. |
| intergrowths | |
|---|---|
| RT | crystal growth |
| crystallization | |
| crystallography | |
| crystals | |
| interior | |
|---|---|
| RT | core |
| dynamos | |
| Earth | |
| geodynamics | |
| lunar interior | |
| magma oceans | |
| Moon | |
| planetary interiors | |
| seismology | |
| subsidence | |
| SN | As of 1981, restricted to the Earth. |
| interlaboratory comparison | |
|---|---|
| RT | chemical analysis |
| materials | |
| minerals | |
| petrology | |
| quality control | |
| soil mechanics | |
| spectroscopy | |
| standard materials | |
| standard rocks | |
| standardization | |
| thermal analysis | |
| SN | Used for comparison of standard materials between laboratories. Added to Thesaurus in 1989. |
| Interlake Forma |
|---|
| Interlake Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Silurian | |
| ....Lower Silurian | |
| .....Llandoverian | |
| ......Interlake Formation | |
| RT | Saskatchewan |
| Montana | |
| North Dakota | |
| Manitoba | |
| SN | Located in the Williston Basin. Added to Thesaurus in 1989. |
| interlayering | |
|---|---|
| USE | mineral interlayer |
| intermediate earthquake | |
|---|---|
| USE | intermediate-focus earthquakes |
| intermediate-focus earthquakes | |
|---|---|
| BT | earthquakes |
| .intermediate-focus earthquakes | |
| UF | intermediate earthquake |
| RT | focus |
| shallow-focus earthquakes | |
| deep-focus earthquakes | |
| SN | Before 1978, search intermediate-focus. |
| intermittent springs | |
|---|---|
| BT | springs |
| .intermittent springs | |
| RT | ground water |
| hydrology | |
| SN | Added to Thesaurus in 1982. |
| intermontane basins | |
|---|---|
| BT | basins |
| .intermontane basins | |
| Intermontane Belt | |
|---|---|
| BT | North America |
| .Intermontane Belt | |
| RT | Alberta |
| Washington | |
| Alaska | |
| British Columbia | |
| Yukon Territory | |
| SN | One of several tectonic belts between the Coast Ranges and Rocky Mountains, NW North America. Also search Intermontain Belt. Indexed with Washington and/or Canadian provinces or territories as applicable. Added to Thesaurus in 1995. |
| internal constitution | |
|---|---|
| SN | Used in subfile G. See interior; planetary interiors. |
| internal waves | |
|---|---|
| RT | ocean waves |
| waves | |
| International Association for Quaternary Research | |
|---|---|
| USE | INQUA |
| International Decade of Ocean Exploration | |
|---|---|
| RT | oceanography |
| research vessels | |
| INternational DEep Profiling of Tibet and the Himalaya | |
|---|---|
| USE | INDEPTH |
| International Geological Congress | |
|---|---|
| UF | IGC |
| RT | associations |
| International Geological Correlation Programme | |
|---|---|
| USE | IGCP |
| International Geosphere-Biosphere Program | |
|---|---|
| USE | IGBP |
| International Lithosphere Program | |
|---|---|
| UF | ILP (International Lithosphere Program) |
| RT | international cooperation |
| research | |
| programs | |
| IUGS | |
| SN | Of the IUGS and International Union of Geodesy and Geophysics. Acronym is ILP. |
| International Monetary Fund | |
|---|---|
| RT | associations |
| economics | |
| international cooperation | |
| United Nations | |
| World Bank | |
| SN | Sometimes abbreviated as IMF. Usually out-of-scope for GeoRef. Added to Thesaurus in 1981. |
| International Phase of Ocean Drilling | |
|---|---|
| USE | IPOD |
| International Union of Geological Sciences | |
|---|---|
| USE | IUGS |
| Internet | |
|---|---|
| BT | computer networks |
| .Internet | |
| RT | education |
| data processing | |
| information systems | |
| data retrieval | |
| information management | |
| data handling | |
| digital data | |
| World Wide Web | |
| spatial data | |
| interpla |
|---|
| interplanetary comparison | |
|---|---|
| RT | extraterrestrial geology |
| natural analogs | |
| planetology | |
| planets | |
| terrestrial comparison | |
| SN | Added to Thesaurus in 1981. |
| interplanetary dust | |
|---|---|
| RT | cosmic dust |
| dust | |
| interplanetary space | |
| meteorites | |
| particles | |
| interplanetary space | |
|---|---|
| UF | outer space |
| space | |
| RT | planetology |
| particles | |
| albedo | |
| cosmic rays | |
| extraterrestrial geology | |
| asteroids | |
| cosmic dust | |
| meteoroids | |
| solar system | |
| shock waves | |
| meteors | |
| comae | |
| comets | |
| solar wind | |
| interplanetary dust | |
| electromagnetic radiation | |
| intensity | |
| solar cycles | |
| Halley's Comet | |
| SN | Usually out-of-scope for GeoRef. |
| interpolation | |
|---|---|
| RT | functions |
| geostatistics | |
| interpretation | |
| kriging | |
| mathematical geology | |
| splines | |
| statistical analysis | |
| interpretation | |
|---|---|
| RT | concepts |
| extrapolation | |
| interpolation | |
| SN | Appropriate to a large number of general topics. |
| interstadial environment | |
|---|---|
| RT | depositional environment |
| glacial environment | |
| glacial geology | |
| glaciation | |
| interglacial environment | |
| late-glacial environment | |
| periglacial environment | |
| sedimentation | |
| SN | Before 1978, search interglacial. |
| interstellar dust | |
|---|---|
| USE | cosmic dust |
| interstitial water | |
|---|---|
| USE | pore water |
| intertidal environment | |
|---|---|
| BT | coastal environment |
| .intertidal environment | |
| UF | littoral environment |
| RT | sedimentation |
| ecology | |
| depositional environment | |
| marine environment | |
| shorelines | |
| capes | |
| littoral erosion | |
| foredunes | |
| wave-cut platforms | |
| tidal flats | |
| intertidal sedimentation | |
| SN | As of 1981, used for littoral environment. Before 1981, also search tidal environment. Before 1978, search intertidal; littoral. |
| intertidal sedimentation | |
|---|---|
| BT | sedimentation |
| .intertidal sedimentation | |
| RT | intertidal environment |
| SN | Added to Thesaurus in 1981. |
| Intertrappean Beds | |
|---|---|
| UF | Deccan Intertrappean |
| Deccan Intertrappean Beds | |
| Deccan Intertrappean Series | |
| RT | Upper Cretaceous |
| Paleocene | |
| lower Eocene | |
| India | |
| Deccan Traps | |
| SN | Upper Cretaceous to lower Eocene. Sedimentary deposits of fossiliferous cherts, freshwater limestone or bole intercalated between the flows of Deccan Trap Basalt. Also search Intertrappean. Indexed with ages as applicable. |
| intraclastic texture | |
|---|---|
| USE | intraclasts |
| intraclasts | |
|---|---|
| UF | intraclastic texture |
| RT | allochems |
| textures | |
| carbonate rocks | |
| intracontinental belts | |
|---|---|
| RT | orogenic belts |
| orogeny | |
| SN | Added to Thesaurus in 1981. |
| intracratonic basins | |
|---|---|
| BT | basins |
| .intracratonic basins | |
| RT | tectonics |
| cratons | |
| SN | Added to Thesaurus in 1981. |
| intrafolial folds | |
|---|---|
| BT | folds |
| .intrafolial folds | |
| SN | Before 1978, search folds AND intrafolial. |
| intraformational structures | |
|---|---|
| RT | sedimentary structures |
| SN | Added to Thesaurus in 1982. |
| intramagmatic deposits | |
|---|---|
| RT | magmatism |
| mineral deposits, genesis | |
| SN | Added to Thesaurus in 1981. |
| intraplate | |
|---|---|
| USE | intraplate processes |
| intraplate processes | |
|---|---|
| UF | intraplate |
| RT | volcanism |
| tectonics | |
| earthquakes | |
| plate tectonics | |
| volcanoes | |
| swells | |
| seismicity | |
| mantle plumes | |
| SN | Before 1993, also search midplate or mid-plate or intraplate tectonics if applicable. May be searched in combination with earthquakes, seismicity, volcanism, tectonics, etc. Added to Thesaurus in 1993. |
| intraplate tectonics | |
|---|---|
| SN | No longer a valid term for GeoRef. See intraplate processes. |
| Intrazonal soils | |
|---|---|
| BT | soils |
| .Intrazonal soils | |
| RT | soil group |
| Bog soils | |
| Hydromorphic soils | |
| Brown forest soils | |
| Meadow soils | |
| Planosols | |
| Solonchak soils | |
| Solonetz soils | |
| intrusion (ground water) | |
|---|---|
| USE | salt-water intrusion |
| intrusions | |
|---|---|
| NT | batholiths |
| diatremes | |
| dikes | |
| laccoliths | |
| layered intrusions | |
| lopoliths | |
| pipes | |
| plugs | |
| plutons | |
| ring complexes | |
| sills | |
| stocks | |
| UF | invasion (intrusion) |
| irruption (intrusion) | |
| RT | igneous rocks |
| magmas | |
| assimilation | |
| magma contamination | |
| domes | |
| country rocks | |
| emplacement | |
| hybridization | |
| aureoles | |
| contact metamorphism | |
| foliation | |
| heat flow | |
| lineation | |
| hypabyssal rocks | |
| crystallization | |
| magmatic differentiation | |
| diapirism | |
| dike swarms | |
| magma chambers | |
| SN | Used for the igneous rocks mass formed by emplacement of magma in pre-existing rock. It is also used for the process of emplacement. |
| intrusive | |
|---|---|
| SN | A valid term through 1977. Included use in subfiles E and N. After 1977, intrusive was used in conjuction with igneous rocks. Now use igneous rocks, intrusions, hypabyssal rocks and/or plutonic rocks as applicable. |
| intrusive mountain | |
|---|---|
| USE | batholiths |
| intrusive rocks | |
|---|---|
| SN | As of 1989, no longer a valid term for GeoRef. Before 1978, the term intrusive was used in conjuction with igneous rocks. Now use igneous rocks, intrusions, hypabyssal rocks and/or plutonic rocks as applicable. |
| intrusives | |
|---|---|
| SN | No longer a valid term for GeoRef. Before 1971, included use in subfiles E, G, N, T and B. Now use igneous rocks and/or intrusions as applicable. |