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THE ROLE OF EXHUMATION IN THE TEMPORAL DISTRIBUTION OF ORE DEPOSITS—A REPLY

Stephen E. Kesler^1, and Bruce H. Wilkinson²

¹ Department of Geological Sciences, University of Michigan, Ann Arbor, Michigan 48109
² Department of Earth Sciences, Syracuse University, Syracuse, New York 13244-1070

Corresponding author: e-mail, skesker@umich.edu

The first 20% of the full text of this article appears below.

Sir: We welcome this opportunity to clarify points raised by Groves and Goldfarb (2007) in their discussion of our recent Express Letter (Kesler and Wilkinson, 2006). Their first concern centers on our modal age of 160 Ma for orogenic gold deposits; they state that "...it is unclear how the stated theoretical modal age was calculated...." The modal ages that we gave for the three deposit types are not theoretical. As explained in the text, they are simply the most common age in a best-fit curve to the age-frequency distribution for each deposit type. For orogenic gold deposits, the curve was fit to ages of deposits younger than 1900 Ma using their age data (Goldfarb et al., . . . [Full Text of this Article]