Title page for ETD etd-05212009-152419


Type of Document Master's Thesis
Author Whitney, Joshua Andrew
URN etd-05212009-152419
Title Application of Electromagnetic Methods to Identify and Characterize Sub-surface Structures Associated with the Coles Hill Uranium Deposit
Degree Master of Science
Department Mining and Minerals Engineering
Advisory Committee
Advisor Name Title
Weiss, Chester J. Committee Co-Chair
Westman, Erik Christian Committee Co-Chair
Bodnar, Robert J. Committee Member
Keywords
  • Uranium Deposit
  • Ground Penetrating Radar Survey
  • Ground Conductivity Survey
Date of Defense 2009-04-22
Availability unrestricted
Abstract
The Coles Hill uranium deposit in Pittsylvania County, Virginia represents the largest unmined uranium resource in the United States, with an estimated resource of 110 million pounds of U3O8 in place with a cutoff grade of 0.025 wt% U3O8. The deposit is localized along a geologic unit that parallels the Chatham Fault, which separates the Triassic Danville Basin to the east from the older crystalline rocks to the west. The location of the Chatham Fault is important to understanding distribution of ore and for developing an effective mine plan. In this study the Chatham Fault location has been inferred from ground conductivity and ground penetrating radar (GPR) surveys. Anomalies in the data are consistent with previously mapped fault locations based on drillhole and geophysical data, such as gravity and magnetic surveys, collected in the 1980s. These results confirm that the strike of the Chatham Fault is approximately N40ºE and dips to the southeast with dip values ranging from 70º, in the northeast, to 50º, in the southwest.
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