Basalt (Pleistocene and Pliocene). (IDQTb;0)

Basalt (Pleistocene and Pliocene).

Flows and cinder cones of olivine tholeiite basalt in and near Snake River Plain. Largely Pleistocene (<2.6 Ma) but includes flows as old as 3 Ma. Covered with 1-3 m (3-10 ft) of loess. (Quaternary to Eocene Continental Volcanic and Intrusive Rocks).

State	Idaho
Name	Basalt (Pleistocene and Pliocene).
Geologic age	Pleistocene and Pliocene
Lithologic constituents	Major Igneous > Volcanic > Mafic-volcanic > Basalt (Flow, Pyroclastic-cinder cone)Flows and cinder cones of olivine tholeiite basalt.
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	Ada - Bannock - Bingham - Blaine - Boise - Bonneville - Butte - Camas - Canyon - Caribou - Cassia - Clark - Elmore - Fremont - Gooding - Jefferson - Jerome - Lincoln - Madison - Minidoka - Owyhee - Power - Teton - Twin Falls

Basalt (Pleistocene and Pliocene).

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.