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National Geologic Map Database

NGMDB

Geologic Unit: Oranda

Usage:

No current usage.
(Rocks of †Oranda Formation (PA,VA,WV), or †Oranda Formation of Trenton Group (WV), reallocated to Stickley Run Member of Martinsburg Formation. See Stickley Run.)


Geologic age:

Middle Ordovician


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

Type section: along State Highway 55 about 2.7 mi S. 40 deg. W. of Oranda and somewhat less than 0.5 mi west of U.S. Route 11 in north environs of Strasburg, Shenandoah Co., north-central VA. Named from hamlet near Strasburg (Cooper and Cooper, 1946).


AAPG geologic province:

Appalachian basin


NGMDB

For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates usage by the U.S. Geological Survey. Other usages by state geological surveys.

"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 ([ ]).

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