SEDIS - Thesaurus
North American Atlantic  | |
|---|---|
| SN | No longer a valid term for GeoRef. Used from 1981-1994 for western Atlantic bounded on the north by the Arctic Ocean, generally about 70#DGN latitude, on the east by the Mid-Atlantic Ridge, and on the south by 10#DGN latitude. See North Atlantic. |
| North American Cordillera | |
|---|---|
| BT | North America |
| .North American Cordillera | |
| NT | Canadian Cordillera |
| RT | Canada |
| United States | |
| U. S. Rocky Mountains | |
| Mexico | |
| Coast Mountains | |
| Alaska Range | |
| Coast Belt | |
| Cascade Range | |
| Rocky Mountains | |
| Western Interior Seaway | |
| Sierra Nevada | |
| Coast Ranges | |
| Cordilleran ice sheet | |
| Kootenay Arc | |
| Sierra Madre | |
| SN | Before 1981, search Cordillera AND North America. Added to Thesaurus in 1981. |
| North American Craton | |
|---|---|
| BT | North America |
| .North American Craton | |
| RT | Canadian Shield |
| Midcontinent | |
| SN | Area of North American continent where basement is buried by Precambrian and Phanerozoic sedimentary cover. Added to Thesaurus in 1993. |
| North American Pacific | |
|---|---|
| SN | Used from 1981-1994 for a region in the northeastern Pacific bounded on the north by the Bering Sea, on the east by North and Central America, on the south by the equator, and on the west by the 180#DG meridian, with the exception of an area bounded by an |
| North American Plate | |
|---|---|
| RT | Cascadia subduction zone |
| Explorer Plate | |
| Farallon Plate | |
| North America | |
| plate tectonics | |
| plates | |
| SN | Includes North America N of central America as well as all the North Atlantic Ocean W of the Mid-Ocean Ridge. Indexed with geographic area and/or age as applicable. |
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