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As a shale, the Wellington Formation has limited exposures, but tends towards forming moderate soil-covered slopes below Kiowa Sandstone caprocks. This is aggravated by the fact that when the Wellington is close to the surface, ground water dissolves the salt, causing the upper Wellington shales to sink and become covered by river and lake muds.
The Lawrence Formation, also referred to as Lawrence Shale, is a Late-Carboniferous geologic formation in Kansas, extending into Nebraska, Iowa, Missouri, and Oklahoma. [2] [1] This unit was named by Erasmus Haworth in 1894, the year that Haworth founded the Kansas Geological Survey in Lawrence, Kansas, having personally surveyed the formation the year before.
The Johnson Formation (or Johnson Limestone) is a thick geologic formation of soft shale with thin, resistant beds of chalkier mudstone and limestone in Nebraska, Kansas, and Oklahoma rarely exposed outside of road cuts. It preserves fossils dating back to the late-Carboniferous period. [1]
The Willard Formation, also referred to as Willard Shale, is a Late-Carboniferous geologic formation in Kansas, extending into Nebraska, Iowa, Missouri, and Oklahoma. [ 2 ] [ 1 ] The full face of the formation is exposed for easy access on the north bank of Deep Creek at the public park, Pillsbury Crossing , in southeast Riley County, Kansas ...
Janesville Shale: Kansas City Group/Drum Formation: Carboniferous: Kansas City Group/Iola Formation: Carboniferous: Kansas City Group/Westerville Formation: Carboniferous: Kansas City Group/Wyandotte Formation: Carboniferous: Kanwaka Formation: Kingsdown Formation: Pleistocene: Kiowa Shale: Cretaceous: Lansing Group/Plattsburg Formation ...
The Cretaceous in Kansas was an open ocean or sea environment dominated by microscopic marine plants and animals that floated or swam near the surface of this ancient water body. [2] As these microscopic creatures died, they sank to the bottom, formed a soft, limy ooze, and would preserve any larger creatures that died and sank into it.
Kansas, Oklahoma: Country: United States: The Vilas Shale is a geologic formation in Kansas. It preserves fossils dating back to the Carboniferous period. See also
Kansas: Country: United States: The Cherokee Shale is a geologic formation in Kansas. It preserves fossils dating back to the Carboniferous period. See also