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Mélanges Olistostromes of the U.S. Appalachians
Geological Society of America
Copyright:
© 1989 Geological Society of America
Geological Society of America
ISBN print:
9780813722283
Publication date:
January 01, 1989
Book Chapter
Tectonic mélange at Chunky Gal Mountain, North Carolina
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Published:January 01, 1989
The Chunky Gal Mountain complex is a mélange consisting of largely metasedimentary matrix and abundant fragments and blocks of different rock types, including metasandstones, plagiogranites, amphibolites, and ultramafites. The mélange, as described here, is situated in the Blue Ridge geologic province of North Carolina. It may be part of a much larger mélange terrane, here called the Eastern Blue Ridge mélange, which extends southwestward into Georgia and Alabama, and northeastward to Virginia. The mélange at Chunky Gal Mountain has been generated during successive episodes of thrusting and shearing. It is probably of Acadian and/or Taconian age and represents the effect of either island arc-continent or continent-continent collision.
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Index Terms/Descriptors
- Acadian Phase
- amphibolite facies
- Appalachians
- Blue Ridge Province
- Cambrian
- compression
- deformation
- Devonian
- facies
- faults
- field studies
- foliation
- greenschist facies
- Iapetus
- island arcs
- Lower Cambrian
- matrix
- melange
- metamorphic rocks
- metamorphism
- Murphy Marble
- North America
- North Carolina
- Ocoee Supergroup
- outcrops
- Paleozoic
- plate collision
- polyphase processes
- retrograde metamorphism
- schistosity
- shear
- shear zones
- structural geology
- Taconic Orogeny
- tectonics
- terranes
- thrust faults
- United States
- southwestern North Carolina
- Chunky Gal Mountain
Latitude & Longitude
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