State | Idaho |
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Name | Seven Devils Group. |
Geologic age | Triassic and Permian |
Lithologic constituents |
Major
Igneous > Volcanic > Mafic-volcanic > Basalt (Volcaniclastic)Basaltic to rhyolitic (largely mafic) arc-derived volcanic and volcaniclastic rocks of the Wallowa terrane.
Igneous > Volcanic > Felsic-volcanic > Rhyolite (Volcaniclastic)Basaltic to rhyolitic (largely mafic) arc-derived volcanic and volcaniclastic rocks of the Wallowa terrane.
Minor
Sedimentary > Carbonate > Limestone (Bed)
|
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 | Adams - Idaho - Lewis - Nez Perce |