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You are browsing the archive for 17 June 2011 - Mountain Beltway.

17 June 2011

Friday fold: a granite dike

This Friday, I give you a fold from the shores of the Rockfish River, south of Charlottesville, in Virginia’s Blue Ridge basement complex, and just down the road from the Lawhorne Mill High Strain Zone. The fold distorts (and improves) a felsic dike cutting the darker granite of the basement. You can make this (stitched composite) picture bigger by clicking it: Here’s the texture of the dike granite: Here’s the …



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