Quartz diorite. (IDKJqd;0)

Quartz diorite.

Primarily quartz diorite, with subordinate diorite, gabbro, granite, and amphibolite; largely undeformed except near eastern part of Blue Mountains island-arc complex; wide age range (160-90 Ma). (Mesozoic-Paleozoic Rocks of the Blue Mountains Island-Arc Complex).

State	Idaho
Name	Quartz diorite.
Geologic age	Cretaceous and Jurassic
Lithologic constituents	Major Igneous > Plutonic > Dioritic > Quartz-diorite Minor Igneous > Plutonic > Dioritic > Diorite Igneous > Plutonic > Granitic > Granite Igneous > Plutonic > Gabbroic > Gabbro Metamorphic > Amphibolite
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	Adams - Clearwater - Idaho - Lewis - Nez Perce - Washington

Quartz diorite.

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.