Geologic Unit: Little Creek

Usage:

Little Creek Formation (ID*)

Geologic age:

late Pliocene or early Pleistocene*

Type section, locality, area and/or origin of name:

Type locality in American Falls 15-min quadrangle, Power Co., southern ID: (1) tuff member in N/2 sec. 6, T. 8 S., R. 31 E., and SW/4 sec. 31, T. 7 S., R. 31 E., near mouth of Ferry Hollow and in south bluff of Snake River [approx. Lat. 42 deg. 45 min. 44 sec. N., Long. 112 deg. 52 min. 54 sec. W.]; and (2) basalt member, at American Falls [in vicinity of Lat. 42 deg. 47 min. 06 sec. N., Long. 112 deg. 51 min. 42 sec. W.]. Named from exposures along Little Creek, in T. 10 S., R. 31 and 32 E., Rockland 15-min quadrangle, Power Co., southern ID (Carr and Trimble, 1963).

AAPG geologic province:

Snake River basin*