Amphibolite. (IDYam;0)

Amphibolite.

Amphibolite formed from metamorphism of mafic sills; includes rocks north- west of Salmon (~1380 Ma) and east of Elk City. (Mesoproterozoic Intrusive Rocks).

State	Idaho
Name	Amphibolite.
Geologic age	Mesoproterozoic
Lithologic constituents	Major Metamorphic > AmphiboliteAmphibolite formed from metamorphism of mafic sills.
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	NGMDB product page for 97750
Counties	Idaho - Lemhi

Amphibolite.

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.