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National Geologic Map Database

Geologic Unit: Leaning Tower

Usage:

Leaning Tower Granite (CA*)
Leaning Tower Granodiorite (CA*)
Leaning Tower Quartz Monzonite (CA*)


Geologic age:

Cretaceous*


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

Not designated. Named from Leaning Tower in Yosemite National Park [Lat. 37 deg. 42 min. 46 sec. N., Long. 119 deg. 38 min. 56 sec. W., Yosemite 15-min quadrangle, Mariposa Co., CA] (Calkins, 1930).


AAPG geologic province:

Sierra Nevada 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 ([ ]).