Download Life cycle of the Phosphoria Formation: from deposition to by J.R. Hein PDF

By J.R. Hein

Geological, geoenvironmental, and source reviews have been accomplished to review a world-class phosphate ore within the Western US Phosphate box. This built-in, multi-agency, multidisciplinary study emphasised: (1) Geological and geochemical baseline characterization of the deposit and linked rocks, (2) Delineation, overview, and spatial research of phosphate assets and lands disturbed by way of mining, (3) Contaminant place of dwelling, response pathways, and environmental destiny linked to the prevalence, improvement, and use of phosphate rock, and (4) Depositional beginning and evolution of the Phosphoria Formation and deposit and geoenvironmental modeling.

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Extra info for Life cycle of the Phosphoria Formation: from deposition to the post-mining environment

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Based on lithologic correlations, he proposed that phosphate rocks in Alberta were deposited in a connecting sea. Further, he suggested that rocks in what is now known as the Permian basin in the southwest US were coeval in part with the Phosphoria Formation, but the faunas were different enough to have been deposited in different arms of the Pennsylvanian-Permian sea. An important piece of the puzzle missing from these early scenarios was the mechanism by which primary productivity was maintained.

M. S. ), The Permian of Northern Pangea 1: Paleogeography, Paleoclimates, Stratigraphy. Springer-Verlag, Berlin, pp. 3-19. J. , 1989. Periodicity in extinction and the problem of catastrophism in the history of life. J. Geol. Soc. , 146: 7-19. D. , 2002. Low oxygen levels in earliest Triassic soils. Geology, 30: 919-922. R. and Metcalfe, I. ), 2002. Permian of southeast Asia. Special Issue, J. , 20: 549-774. W. and Grover, M. ), 1998. Permian of Eastern Tethys: Biostratigraphy, Palaeogeography and Resources.

Late Glacial and Postglacial Environmental C h a n g e s - Quaternary, Carboniferous-Permian and Proterozoic. Oxford University Press, New York, pp. I I l-146. This Page Intentionally Left Blank Life Cycle of the Phosphoria Formation: From Deposition to Post-Mining Environment Edited by James R. Hein Handbook of Exploration and Environmental Geochemistry, Vol. 8 (M. V. R. B. R. MclNTYRE ABSTRACT The Phosphoria Formation has been the subject of intensive study for nearly 100 years. Most work during the first half of the twentieth century on the Phosphoria Formation fell under three US Geological Survey (USGS) programs.

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