Mazatzal Group (AZ)
Mazatzal Quartzite (AZ*)
(alphabetical): Blackjack Formation, Deadman Formation or Deadman Quartzite, /Del Rio Formation, Maverick Formation or Maverick Shale, Mazatzal Peak Formation, White Ledges Formation, Yankee Joe Formation.
Proterozoic, Middle
Proterozoic, Early
Not synopsized to date.
Basin-and-Range province
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 ([ ]).