Usage:
Windy Pass Argillite Member of Brigham Quartzite (ID*)
Windy Pass Argillite of Brigham Group (ID)
Geologic age:
Early(?) Cambrian*
Type section, locality, area and/or origin of name:
Type section: on a spur extending southwest from Twin Knob in middle part sec. 12, T. 10 S., R. 38 E., Bancroft quadrangle, Bannock Co., ID (Oriel and others, 1971).
Type area: belt of gentle slopes west of crest of Portneuf Range, from a point west of Twin Knobs in central part sec. 12, T. 10 S., R. 38 E., south-southeastward to a point south of Sedgwick Peak, near middle of sec. 32, T. 10 S., R. 39 E., Bancroft quadrangle, Bannock Co., ID (Oriel and others, 1971).
Named from exposures at and near Windy Pass, in southwestern part sec. 12, T. 10 S., R. 38 E., Bannock Co., ID (Oriel and others, 1971).
AAPG geologic province:
Snake River basin*
Wasatch uplift*
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).
Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).