First use of name; shown on chart only. Origin of name not stated, but probably named for Wimsattville basin, Grant Co, NM. Intent to name not stated and no type locality designated. Area of report is the Santa Rita quadrangle, Grant Co, NM in Basin-and-Range province; restricted to the Wimsattville basin. Unconformably underlies Miocene? Rubio Peak formation (first used); unconformably overlies Upper Cretaceous-lower Tertiary andesite breccia. Consists of basin-filling gravel, sand. Is 1,000+ ft thick. Is of early Tertiary age.
Source: GNU records (USGS DDS-6; Denver GNULEX).
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
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