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  • Usage in publication:
    • Carpenters Creek Tuff Member*
  • Modifications:
    • Named
  • Dominant lithology:
    • Tuff
    • Siltstone
  • AAPG geologic province:
    • Olympic Mountains province
Publication:

Snavely, P.D., Jr., Niem, A.R., MacLeod, N.S., Pearl, J.E., and Rau, W.W., 1980, Makah Formation; a deep-marginal-basin sequence of late Eocene and Oligocene age in the northwestern Olympic Peninsula, Washington, IN Shorter contributions to stratigraphy: U.S. Geological Survey Professional Paper, 1162-B, 28 p. [Available online from the USGS PubsWarehouse: http://pubs.er.usgs.gov/pubs/pp/pp1162B]


Summary:

Type section: exposures in Carpenters Creek, tributary of Sekiu River, NW/4 NW/4 sec.17 T32N R13W, Clallam Co, WA. Is third oldest (of 6) member of Makah Formation. Consists of light-yellowish-gray calcified and silicified tuff interbedded with siltstone. Forms seven thin waterlaid tuff beds which are ledge-forming. Is 1 m thick. Separated from underlying Dtokoah Point Member (new) and overlying Klachopis Point Member (new) by unnamed members of Makah Formation. Age is late Eocene (Refugian).

Source: GNU records (USGS DDS-6; Menlo GNULEX).


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 ([ ]).

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