GEOLEX

Summary of Citation: Leatherwood

Publication:
Jonas, A.I., 1928, Geological map of Virginia; preliminary
   edition: Virginia Geological Survey

Usage in Publication:
Leatherwood granite

Modifications:	Geologic Province:	Dominant Lithology:
Named	Piedmont-Blue Ridge province	Granite

Summary:
Named for Leatherwood, Henry Co., central southern VA. Consists of biotite muscovite granite with porphyritic facies. Intrusive into Glenarm series. Age is Precambrian.

Summary of Citation: Leatherwood

Publication:
Rankin, D.W., 1994, Continental margin of the eastern United
   States; past and present, IN Speed, R.C., ed., Phanerozoic
   evolution of North American continent-ocean transitions:
   Geological Society of America, The Decade of North American
   Geology (DNAG), Continent-Ocean Transect Series, p. 129-218

Usage in Publication:
Leatherwood Granite*

Modifications:	Geologic Province:	Dominant Lithology:
Age modified Isotopic dating	Piedmont-Blue Ridge province

Summary:
Leatherwood Granite has U-Pb zircon age of 516 Ma (Sinha and others, 1989) which makes it Late Cambrian.