U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database
Map showing publication footprint
  • Usage in publication:
    • Klachopis Point Member*
  • Modifications:
    • Named
  • Dominant lithology:
    • Sandstone
    • 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: wave-cut platform and headland exposures at Klachopis Point east of Neah Bay NE 1/4 SE 1/4 sec.12 T33N R15W, Strait of Juan de Fuca, Clallam Co, WA. Is fourth oldest member (of 6) of Makah Formation. Consists of micaceous sandstone with siltstone interbeds and calcareous concretions. Forms thick-bedded, ridge-forming, amalgamated turbidite beds. Thickness is 73 m. Lies 155 m above Dtokoah Point Member (new) and 290 m below Third Beach Member (new) (both of Makah Formation); gradationally overlies unnamed siltstone of Makah Formation; upper contact covered. Is late Eocene age.

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 ([ ]).

Accessibility FOIA Privacy Policies and Notices

USA Gov U.S. Department of the Interior | U.S. Geological Survey
Supported by the National Cooperative Geologic Mapping Program
Page Contact Information: Personnel
Page Last Modified: Thu 04 Apr 2024 03:43:20 PM MDT