Hamp Subdistrict: Difference between revisions

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  | author  = F. Brett Denny, W. John Nelson, Jeremy R. Breeden, and Ross C. Lillie
  | author  = F. Brett Denny, W. John Nelson, Jeremy R. Breeden, and Ross C. Lillie
  | date    = 2020
  | date    = 2020

Revision as of 08:30, June 7, 2021

Mines in the Illinois Portion of the Illinois-Kentucky Fluorspar District
Series Circular 604
Author F. Brett Denny, W. John Nelson, Jeremy R. Breeden, and Ross C. Lillie
Date 2020
Buy Web page
Report PDF file
Map PDF file

The Hamp Mines are aligned along the Hamp Fault, which lies along the north flank of Hicks Dome. The fault is very poorly exposed and was primarily mapped through mine notes and previous reports by Baxter and Desborough (1965), Weller et al. (1952), and Bastin (1931). The fault strikes almost due east–west circumferential to the dome and dips steeply to the south at 60 to 75 (Bastin 1931). Because the Hamp Fault trends circumferential to Hicks Dome, Denny et al. (2010) suggested the fault was related to the domal or circular uplift at Hicks Dome.