Clay and shale of northwestern Alabama
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Clay and shale of northwestern Alabama by Otis M. Clarke

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Published by Geological Survey of Alabama, Division of Economic Geology in University, Ala .
Written in English



  • Alabama.


  • Clay -- Alabama.,
  • Shale -- Alabama.

Book details:

Edition Notes

Statementby Otis M. Clarke, Jr.
SeriesGeological Survey of Alabama. Circular 20B, Circular (Geological Survey of Alabama) ;, 20B.
ContributionsGeological Survey of Alabama. Economic Geology Division., United States. Bureau of Mines.
LC ClassificationsTN942 .C55
The Physical Object
Pagination88 p.
Number of Pages88
ID Numbers
Open LibraryOL256489M
LC Control Numbergs 66000313

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Print book: State or province government publication: English: Rating: (not yet rated) 0 with reviews - Be the first. Subjects: Clay -- Indiana. Shale -- Indiana. Clay. View all subjects; More like this: Similar Items. Shale samples courtesy of Hanson Brick Ltd. Slate. Rock Type: metamorphic Composition: clay minerals Original Rock: shale Environment: Slate forms from the heat and pressure when shale is buried deep in the crust. The depth of burial to make slate out of shale is about 10 km. The temperature at that depth is about °C. Clouds of smoke attracted crowds, and the promoters sold stock in oil shale companies. Nature of oil shale. Shale oil comes from oil shale, but oil shale is a misnomer. It is neither a true shale nor does it generally have any oil in it. It is better identified as organic marlstone, marl being a mixture of clay and calcium carbonate. Pg. The marine Mancos shale of southwestern Colorado and northwestern New Mexico has yielded faunas [ammonites] of, in ascending order, Greenhorn, Carlile, Niobrara, and Pierre age. It grades into underlying Dakota sandstone, and into overlying Mesaverde group, the boundary with which is arbitrarily fixed.

The Cretaceous-Paleogene (K-P) transition is characterized by a period of mass extinctions, the Chicxulub impact event, sea-level changes, and considerable climate changes (e.g., cooling). The Gulf of Mexico region is a key area for addressing these issues, specifically because of the proximity to the large Chicxulub impact structure in southern Mexico, and because of its . Clay minerals have a negative influence on porosity but determine water saturation. Abstract Thickness marine shale of Paleozoic Wufeng-Longmaxi Formations is deposited in the northwestern Guizhou province, which borders on the shale gas production area in . It is currently found only in the southern Appalachians in north central Alabama and northwestern Georgia. It is native to seasonally wet, sandy-clay soils in prairie-like meadows, along margins of shale-bedded streams, public utility/highway rights-of-way, and in habitats with widely spaced trees (barrens or glades). Clay Minerals as Indicator of Phosphatogenesis: A Case Study of Sokoto Basin, Northwestern Nigeria Phosphate deposits which occur in the Sokoto Basin of northwestern Nigeria is more pronounced in the shales of Dange Formation which recorded value ranges of 36% P 2 O 5.