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National Geologic Map Database

Geologic Unit: Hope Valley

Usage:

Hope Valley Alaskite Gneiss of Sterling Plutonic Suite (RI*,CT*,MA*)


Geologic age:

Late Proterozoic*


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

Exposures on low knobs 1 mi north of village of Hope Valley, Hope Valley quadrangle, Washington Co., southern RI (Moore, 1958).
Particularly well exposed on one of these knobs known as Goat Rock. Widespread in southern part of state.


AAPG geologic province:

New England province*


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 ([ ]).