National Geologic Map Database
Map showing publication footprint
  • Usage in publication:
    • High Lake Member
  • Modifications:
    • Named
  • Dominant lithology:
    • Dolostone
  • AAPG geologic province:
    • Wasatch uplift
    • Great Basin province

Budge, D.R., and Sheehan, P.M., 1980, The Upper Ordovician through Middle Silurian of the eastern Great Basin; Part 1, Introduction; historical perspective and stratigraphic synthesis: Milwaukee Public Museum Contributions in Biology and Geology, no. 28, 26 p., See also "Part 2, Lithologic descriptions," Milwaukee Public Mus. Contrib. Bio. Geol., no. 29, 80 p., 1980


Named as member (second from base, of six members) of Laketown Dolostone (redescribed). Derivation of name not given. Type section is at Tony Grove Lake in Bear River Range, SW1/4 SW1/4 of unsurveyed sec 5, T13N, R3E, northeastern Cache Co, UT, Wasatch uplift. Outcrops at numerous mountain ranges in western UT and eastern NV, Great Basin province. Consists of light-gray to medium-gray, very finely to coarsely crystalline dolostone; medium to very thick bedded; partly lenticular and laminated; weathers from light gray to medium gray. Deposited in a subtidal environment. Thickness at type is 354 ft; averages 370 ft. Overlies Tony Grove Lake Member (new) of Laketown; underlies Gettel Member (new) of Laketown. Measured sections. Silurian age [basis of age not stated].

Source: GNU records (USGS DDS-6; Denver 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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).