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National Geologic Map Database

Geologic Unit: Sloway

Usage:

No current usage.
(†Sloway Formation (MT) replaced with McNamara Formation of Missoula Group of Belt Supergroup. See McNamara.)


Geologic age:

Mesoproterozoic


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

Type section (composite): (1) in secs. 7 and 18, T. 16 N., R. 26 W.; (2) secs. 29, 33, and 34, T. 17 N., R. 26 W.; and (3) secs. 3, 4, 10, 11, 14, and 23, T. 16 N., R. 26 W., Mineral Co., MT (Campbell, 1960).


AAPG geologic province:

Northern Rocky Mountain region


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 ([ ]).