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Roadcut in shales south of Wilson Lake, Kansas. Can you identify it's proper place in the stratigraphy (http://www.kgs.ku.edu/Publications/Bulletins/189/09_meso.html#CRET) of the region? |
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One of the more "interesting" areas of the FHSU Geology Summer Field Camp Red Wash mapping project in Dinosaur National Monument. Something unusual is going on with the geology in this image. Beyond that I cannot be more specific. ;-) For more information about our field camp see: http://hays.outcrop.org/GSCI454/
My original attempt to stitch this GigaPan ended up with a "twisted" stitch. Following advice on the forum that this might be the result of too much overlap in the original images I trimmed them and ended up with a much better result. I also used the Photoshop RAW format export option so that I could go in and crop out some of the jagged edges (something I haven't done previously with images too large to open as a TIFF file in Photoshop). This upload also marks the first time I've uploaded from a format other than TIFF. I'm pretty pleased with the results so far, though the real satisfaction will only be realized once I've lined it all up properly in Google Earth as a 360 degree embed... |
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There's a lot of Mancos Shale around the Colorado Plateau, and no lack of it in this GigaPan. |
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In Trego County, Kansas, the Smoky Hill River has been dammed to form Cedar Bluff Reservior. This view shows the spillway and downstream areas along the Smoky Hill River. The day was a nice one, but spring has not quite sprung in this part of Kansas. In a few weeks things will green up a little and outdoor GigaPan photography will be much more enticing. Alas, Kansas will still be flatter than a pancake... |
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The Niobrara Formation, Fort Hays Member here conformably overlies the Blue Hill Shale member of the Carlile Shale. The Codell Sandstone member of the Carlile Shale is not present here although the uppermost shaly layers of the Blue Hill are somewhat sandier than lower down. All units are Cretaceous in age and were deposited in the Western Interior Seaway. A minor fault cuts obliquely through the Fort Hays chalk beds almost parallel to the face of the roadcut in the center of the field of view; slickensides are visible in the first snapshot, indicating dip-slip displacement. |
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A very curious roadcut. On the left side of the cut the Fort Hays Limestone depositionally overlies the Blue Hill Shale. On the west side of the cut Codell sandstone is exposed in the footwall of an eastward dipping fault. Slickensides on the fault surface suggest dip-slip offset. Thing is, where it does occur the Codell sandstone normally occurs depositionally between the Blue Hill and Fort Hays. Makes this a real head scratcher... |
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Near Stump Cove Beach in Salt Point State Park, Sonoma County, California |
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Distant cliff exposure of the contact between the Fort Hays Limestone and the underlying Blue Hill Shale. |
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FHSU GSCI452 - Geological Field Methods visits an outcrop north of the Smoky Hill River, east of Schoenchen, Kansas. |
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Anticline-Syncline pair exposed in the Bear Valley Coal Mine, near Shamokin, Pennsylvania |