- Usage in publication:
-
- Billiard Ball limestone member
- Modifications:
-
- [First used]
- Dominant lithology:
-
- Limestone
- AAPG geologic province:
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- Wasatch uplift
- Great Basin province
Summary:
Pg. 2, (table 1), 10, pl. 5. Billiard Ball limestone member of Butterfield formation. Overlies Step limestone member and underlies Fern limestone member (both new) of Butterfield formation. Age is Middle Pennsylvanian (Desmoinesian). Units and names described herein are those used by Kennecott Copper Corp. geologists within Bingham mining district. They are not intended as formal names unless they are applicable. Report includes cross section.
[Type locality not stated. Occurs in] Bingham district, Oquirrh Mountains, Salt Lake Co., northern UT. [Origin of name not stated.]
[Type section (of Butterfield Formation): in secs. 10 and 15, T. 4 S., R. 3 W., Bingham district, Salt Lake Co., UT. Traverse begins at Butterfield Peak 9,360, and proceeds up section north along ridge into sec. 10, just above Tie Fork.]
Source: US geologic names lexicon (USGS Bull. 1350, p. 69-70, 107).
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 ([ ]).