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National Geologic Map Database

Geologic Unit: Newland

Usage:

Newland Limestone of Belt Supergroup (ID*,MT*)
Newland Formation of Belt Supergroup (ID*,MT*)


Geologic age:

Middle Proterozoic*


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

Type locality: on Newland Creek, 10 mi north of White Sulphur Springs, Meagher Co., between Big Belt and Little Belt Mountains, western central MT (Walcott, 1899).


AAPG geologic province:

Northern Rocky Mountain region*


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 ([ ]).