Type of Document Dissertation Author Wang, Ping URN etd-06062008-142355 Title Geology and Tectonic Significance of the Late Precambrian Eastern Blue Ridge Cover Sequence in Central Virginia Degree PhD Department Geosciences Advisory Committee
Advisor Name Title Glover, Lynn III Committee Chair Craig, James R. Committee Member Eriksson, Kenneth A. Committee Member Law, Richard D. Committee Member Tracy, Robert J. Committee Member Keywords
- Moneta Formation
Date of Defense 1995-12-01 Availability restricted AbstractThe Late Precambrian cover sequence in the Blue Ridge of central Virginia includes rocks of the Moneta Formation and the overlying Lynchburg Group. The Moneta Formation comprises arnphibolites, felsites and biotite gneisses that unconformably overlie the Grenville basement.
The Lynchburg Group in central Virginia is divided into three formations. Lynchburg I is made up of massive to thick bedded coarse-grained feldspathic arenites and conglomerates, which are interpreted as slope-apron deposits. Lynchburg IT contains mainly medium to fine grained feldspathic arenites and graphitic schist (black shales) with subordinate conglomeratic rocks. These are believed to be channelized submarine fan turbidites formed in an anoxic environment. Lynchburg ill consists of fme to medium grained feldspathic quartz arenites and a minor amount of conglomeratic rocks, which are considered to be channelized submarine turbidites with a more open marine environment and wider shelf.
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