Hoodoo Quartzite and argillaceous quartzite.

Feldspathic fine-grained quartzite in central Idaho that is stratigraphically above the Yellowjacket Formation. Also includes argillaceous quartzite above the Hoodoo Quartzite. (Mesoproterozoic Metasedimentary Rocks of Lemhi Subbasin of Belt Basin).
State Idaho
Name Hoodoo Quartzite and argillaceous quartzite.
Geologic age Mesoproterozoic
Lithologic constituents
Metamorphic > Metasedimentary > Metaclastic > QuartziteFeldspathic fine-grained quartzite and argillaceous quartzite.

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 Custer - Lemhi - Valley