http://woostergeologists.scotblogs.wooster.edu/2011/11/26/wooster-geologist-on-the-cramptons-gap-battlefield-in-northern-maryland/ A World to Explore Mon, 13 May 2013 21:14:50 +0000 hourly 1 http://wordpress.org/?v=3.5.1 http://woostergeologists.scotblogs.wooster.edu/2011/11/26/wooster-geologist-on-the-cramptons-gap-battlefield-in-northern-maryland/comment-page-1/#comment-6207 Mark Wilson Sun, 27 Nov 2011 02:23:44 +0000 http://woostergeologists.scotblogs.wooster.edu/?p=5142#comment-6207 Thanks, Callan. I shall correct it!

]]> http://woostergeologists.scotblogs.wooster.edu/2011/11/26/wooster-geologist-on-the-cramptons-gap-battlefield-in-northern-maryland/comment-page-1/#comment-6206 Callan Bentley Sun, 27 Nov 2011 01:41:29 +0000 http://woostergeologists.scotblogs.wooster.edu/?p=5142#comment-6206 The quartzite there is probably the Antietam Formation. The Swift Run is patchy and discontinuous and arkosic, and structurally I would expect it further to the east, below the Catoctin and above the basement complex that cores what Marylanders call the South Mountain Anticlinorium.

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