Title page for ETD etd-06062008-142355


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
  • Lynchburg
Date of Defense 1995-12-01
Availability restricted
Abstract
The 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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