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National Geologic Map Database

Geologic Unit: McIntosh

Usage:

McIntosh Formation (WA*)


Subunits:

Tenino Sandstone [Member] (WA).


Geologic age:

Tertiary
Eocene, middle*
Eocene, late*


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

Type area: in central and southeastern parts of T. 16 N., R. 1 W., and extending into northern parts of secs. 2 and 3, T. 15 N., R. 1 W., Thurston Co., southwestern WA (Snavely and others, 1951).


AAPG geologic province:

Oregon-Washington Coast Ranges 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 conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).