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National Geologic Map Database

Geologic Unit: Wono

Usage:

[/?] Wono Bed of Pyramid Lake Member of Mount Mazama Formation (NV)
Wono Tephra (OR?)


Geologic age:

Quaternary
Pleistocene


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

Type section: Agency Bridge, on the east side of the Truckee River, in NW/4 NW/4 NE/4 sec. 1, T. 22 N., R. 23 E., Nixon 15-min quadrangle, Washoe Co., NV. Named from the Paiute Indian word for Pyramid Island (Davis, 1978).


AAPG geologic province:

Great Basin province


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates usage by the U.S. Geological Survey. Other usages by state geological surveys.

"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 ([ ]).