Fracture patterns and their origin in the Upper Devonian Antrim Shale gas reservoir of the Michigan basin: A review

Robert T. Ryder

Open-File Report 96-23

Figure 1. Map of Michigan showing the Antrim Shale gas accumulation and the approximate outcrop pattern of the Antrim Shale and equivalent strata (after Lomar, 1981: Walters and others, 1993).

Created by the EERT WWW Staff.

U.S. Department of the Interior, U.S. Geological Survey
URL: http://pubs.usgs.gov/of/1996/of96-023/figure1.htm
Maintained by Publishing Services
Last modified: 14:05:06 Mon 24 Mar 2003
Privacy statement | General disclaimer | Accessibility