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Part 1 of 3 - Tectonic deformation in hanging wall of Peak Creek Fault, Pulaski County, Virginia

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Published on Nov 21, 2011

PART 1 of 3 - This video examines an interval from 111 ft - 120 ft below ground surface in Virginia State Observation Well 009 in PUlaski County as recorded by DEQ staff on 3/25/08. The video shows deformation in Cambrian age shale beds in the hanging wall of the Peak Creek fault system. The alternating reddish-brown and tan shales and siltstones of the Rome/Waynesboro formation have been micro-faulted and folded in places. At several intervals in this well (112 ft in this video), stringers and "dikes" of max-meadows tectonic breccia are visible having injected into fractures and bedding planes of the Rome formation that was riding on a hydrolized "slurry" of fault gouge as this major paleozoic thrust fault system displaced bedrock tens of miles. A large interval of the max meadows tectonic breccia is observed deeper in the well (Part 3). The former supply well is located 37.0483672797222 / -80.6286453333333 NAD83 and is currently a state observation well used for drought monitoring. http://www.deq.virginia.gov/gwcharact...

Part 2: http://www.youtube.com/watch?v=7YWEIF...

Part 3: http://www.youtube.com/watch?v=yKmHyI...

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