tec |
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technique and apparatus |
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SN | Not a valid GeoRef index term after 1968. See instruments; techniques; apparatus. |
tectonic |
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SN | A valid term through 1977. Used in reference to maps. See tectonic maps. |
Tectonophysics (category) |
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SN | Tectonophysics, GeoRef category code 18, is one of thirty categories used to classify documents in GeoRef. Each reference in GeoRef is assigned one or more categories. Categories can be used, in addition to Terms, to refine searches (See List A.). |
tectonostratigraphic terranes |
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USE | terranes |
Tehri |
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SN | Not a valid term for GeoRef. See Tehri Garhwal India. |
television logging |
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SN | Use well-logging. Also see borehole televiewers. |
tellurates |
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RT | minerals | SN | Before 1981, search tellurates and tellurites. |
tellurates and tellurites |
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SN | As of 1981, no longer a valid term for GeoRef. Use either tellurates or tellurites as applicable. |
telluric currents |
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SN | Not a valid index term for GeoRef. See Earth-current methods. |
Tempe Terra |
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BT | Mars | | .Tempe Terra | SN | Extensive land mass. Named for Tempe albedo feature. |
Tenerife, Pico de |
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USE | Teide |
Tennes |
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Tennessee Sandstone |
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RT | Arkansas | | geophysics | | Pennsylvanian | SN | Not a currently valid stratigraphic name in the United States. Tennessee Sandstone is typically exposed in Tennessee Ridge, Sebastian County, Tennessee. This material is used for studies of geophysical and structural properties. |
terrestrial |
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SN | A valid term through 1977. After 1977, use terrestrial environment for type of environment. See terrestrial materials. |
terrestrial comp |
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terrestrial materials |
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SN | No longer a valid term for GeoRef as of 1981. See terrestrial comparison; interplanetary comparison. Term was introduced in 1978. Included use to indicate a comparison between Earth and Moon (lunar samples). |
terrigenous |
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SN | No longer a valid term for GeoRef. A valid term through 1977 used in combination with clastic rocks or clastic sediments. After 1977, use terrigenous materials. |
Tersk(o)-Caspian Depression |
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SN | As of 1995, use Caspian Basin and Terek River for the region in Northern Caucasus which includes both the Terek River valley and the Caspian Depression. |
tests |
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RT | chitin | | Invertebrata | | shells | SN | As of 1976, term is only to be used with fossils. For tests used in engineering geology, see testing. |
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