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National Geologic Map Database

Geologic Unit: Salamonie

Usage:

Salamonie Dolomite (IN)


Subunits:

Osgood and Laurel Members (IN)


Geologic age:

Early Silurian


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

Type section (outcrop and subsurface): (1) outcrop exposure in Rockledge Products, Inc. quarry; and (2) in Indiana Geological Survey drillhole 44 core, near Portland, Jay Co., IN, in NW/4 NW/4 sec. 30, T. 23 N., R. 14 E. Named from Salamonie River (Pinsak and Shaver, 1964).
Principal reference sections (outcrop and subsurface): (1) outcrop exposure in H and R Stone Company quarry, near Ridgeville, Randolph Co., IN; and (2) Northern Indiana Public Service Company Carl Wyneken No. 1 well, near Wallen, Allen Co., IN (Pinsak and Shaver, 1964).
Reference sections (subsurface): (1) Indiana Geological Survey drillhole 72, in Kokomo, Howard Co., IN; and (2) Indiana Geological Survey drillhole 96, near Yorktown, Delaware Co., IN (Pinsak and Shaver, 1964).


AAPG geologic province:

Cincinnati arch
Illinois basin
Michigan basin


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 ([ ]).