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National Geologic Map Database

Geologic Unit: Weeks

Usage:

Weeks Limestone (UT*)
Weeks Formation (UT*)


Geologic age:

Cambrian, Middle*
Cambrian, Late*


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

North side of Weeks [now called North] Canyon, north of Orr Ridge, [in T. 18 S., R. 13 W., Notch Peak 15-min quadrangle] House Range, Millard Co., UT (Walcott, 1908a).


AAPG geologic province:

Great Basin province*


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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).