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Normal fault in the Fort Hays member of the Cretaceous Niobrara Formation, south of Stockton, Kansas. These chalk beds were originally deposited in the shallow Western Interior Seaway about 80 million years ago. The thick beds of the Fort Hays member are extensively bioturbated. Faulting is post-Cretaceous and pre-Quat...
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Castle Rock is an erosional remnant of Upper Cretaceous Niobrara Formation (Smoky Hill member) chalk, located in southeastern Gove County, Kansas. The chalk badlands at this locality owe their preservation to a caprock of Ogallala Formation conglomerates, visible atop the cliff at left and in boulders on the slope.
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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 d...
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Formed by damming the Smoky Hill River, Cedar Bluff Reservoir is one of the larger man-made lakes in western Kansas.
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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 ...
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Long roadcut throught the Fort Hays Limestone (chalk) on KS-183 just south of Stockton, Kansas. The city of Stockton can be seen in the distance on the right side of the image. A detail of this image is at www.gigapan.org/viewGigapan.php?id=2859 . Another detail of the fault near the top of this section is at...
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- Roadcut Two Miles South of Codell, Kansas - Cretaceous Niobrara Formation, Fort Hays Member by Ron Schott
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Taken just after sunrise. The sun ducked behind a cloud for the right side of the panorama.
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Central section of the long roadcut on KS-183 north of the Saline River Valley. This cut exposes an almost complete section through the Fort Hays Limestone member of the Cretaceous Niobrara Formation. These chalk beds were laid down at the bottom of the shallow tropical Western Interior Seaway. The thick beds of the...
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Cretaceous Niobrara Formation, Fort Hays member overlying Cretaceous Carlile Shale, Codell Sandstone member. Some nice fossil details can be seen in the large blocks of Fort Hays chalk on the left. Shot in the last few minutes before sunset. The Moon is just visible at the top of the image - it was rapidly rising ou...
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The "Snake" shot.
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