State | Idaho |
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Name | Intrusive rocks (Neoproterozoic). |
Geologic age | Neoproterozoic |
Lithologic constituents |
Major
Igneous > Plutonic > Syenitic > Syenite (Stock or pipe)
Igneous > Plutonic > Dioritic > Diorite (Stock or pipe)
Minor
Metamorphic > Metaigneous > Orthogneiss~726 Ma granitic gneiss in lower part of House Mountain metamorphic complex southeast of Boise.
|
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 | Elmore - Idaho - Valley |