State | Idaho |
---|---|
Name | Metamorphic rocks. |
Geologic age | Paleoproterozoic and Archean |
Lithologic constituents |
Major
Metamorphic > Amphibolite
Metamorphic > Metaigneous > OrthogneissPend Oreille granodiorite gneiss. Kelly Creek granite gneiss. Orthogneiss in Pioneer Mountains. Granite gneiss of Green Creek complex in Albion Mountains. Granite gneiss in Beaverhead Mountains.
Metamorphic > Schist
Minor
Metamorphic > Metasedimentary > Metacarbonate > Marble
Metamorphic > Metasedimentary > Metaclastic > Quartzite
Igneous > Plutonic > Granitic > Granite
|
References | Lewis, Reed S., Link, Paul K., Stanford, Loudon R., and Long, Sean P., Geologic Map of Idaho, 2012, Idaho Geological Survey, Geologic Map 9 (M-9); Scale 1:500,000. |
NGMDB product | |
Counties | Bonner - Cassia - Clearwater - Custer - Fremont - Lemhi - Shoshone |