Category:Pierre Shale
English: The w:Pierre Shale is a geologic formation or series in the Upper Cretaceous which occurs east of the Rocky Mountains from North Dakota to New Mexico.The Pierre Shale is of marine origin and was deposited in the Western Interior Seaway. It is correlative with other marine shales that occur farther west, such as the Bearpaw Shale, Mancos Shale and the Lewis Shale. It correlates with the Lea Park Formation in central Alberta.
Subcategories
This category has the following 8 subcategories, out of 8 total.
Media in category "Pierre Shale"
The following 16 files are in this category, out of 16 total.
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Ammonite in nodulo.jpg 547 × 492; 326 KB
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BaculitesSuturesAragonite.jpg 1,696 × 1,252; 841 KB
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Barite-4jg40a.jpg 485 × 686; 37 KB
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Barite-4jg40c.jpg 400 × 363; 16 KB
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Calcite-208797.jpg 672 × 730; 94 KB
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CretaceousSeep17.jpg 1,200 × 900; 723 KB
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Geologic Names Committee reconstituted.jpg 350 × 391; 27 KB
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Hogback 2017-09-30 1694.jpg 4,608 × 3,072; 3.49 MB
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North Dakota South Dakota Level III and Level IV ecoregions USEPA.pdf 3,600 × 4,050; 977 KB
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Pierre Shale & slump (Cheyenne River, near Wasta, South Dakota, USA) 3 (32870179808).jpg 4,000 × 1,677; 4.64 MB
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The Childrens Museum of Indianapolis - Baculites - detail.jpg 768 × 512; 159 KB
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The Childrens Museum of Indianapolis - Baculites.jpg 768 × 456; 80 KB
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Wyoming Level IV ecoregions.pdf 1,275 × 1,650; 477 KB
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Yellow Mound Overlook PA100146.JPG 3,072 × 2,304; 1.13 MB
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_(roadcut_ENE_of_Wasta,_South_Dakota,_USA)_2_(31803912577).jpg)
