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Geologic map overlay is the 1974 Geologic Map of the Ashby Gap quadrangle, by T.M. Gathright, Jr. and P.G. Nystrom, Jr. You can buy a copy here: www.dmme.virginia.gov/commerce/ProductDetails.aspx?productID=2184
Or you can download a PDF of it here: www.dmme.virginia.gov/commercedocs/RI_36.pdf
The LIDAR...-
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Looking at an anticline in the Ordovician-aged Edinburg Formation from Frederick County, Virginia, on the western shore of Opequon Creek, gazing across into Clarke County. Strata are Ordovician; deformation is Alleghanian (late Paleozoic). Another set of folds is just upstream: gigapan.org/gigapans/120300 ...
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Viewed from Frederick County (Opequon Creek is the dividing line), you can see strata of the Ordovician-aged Edinburg Formation limestones and shales. These anticlines and synclines formed during Alleghanian mountain-building in the late Paleozoic. Another set of folds is just upstream: gigapan.org/gigapans...
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Find the students doing geologic mapping
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Panoramic of Chusma Fault north of Teruel
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Panoramic view of Chusma Fault, one of the largest faults in the northern Andes, placing granitoids of the Ibague Batholith on to Cenozoic sequences of the Magdalena Valley
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Samples collected from fault gouge in Eastern Connecticut, Tatnic Hill Formation NR64AA Cut Parallel to Strike of Fault Plane, looking perpendicular to strike NR64AB Cut Parallel to dominant Striae (multiple sets), looking perpendicular to striae Thin sections of these surfaces will be made and imaged soon.
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Here is a nice folded section of the Devonian-age Foreknobs formation West of Gore, Virginia along US rt 50. The Foreknobs Formation ( formerly known as the Chemung) is a mixed package of brownish red to grey sandstone siltstone shale and minor conglomerate
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This is a look at a few small folds in the sandstones, siltstones and shales of the Devonian Foreknobs Formation.
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An outcrop of folded devonian carbonates and shale of the Tonoloway formation exposed on Corridor H just east of Baker, West Virginia.
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