Facets of the Ordovician Geology of the Upper Mississippi Valley Region

Facets of the Ordovician Geology of the Upper Mississippi Valley Region PDF Author: Greg A. Ludvigson
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 142

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Facets of the Ordovician Geology of the Upper Mississippi Valley Region

Facets of the Ordovician Geology of the Upper Mississippi Valley Region PDF Author: Greg A. Ludvigson
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 142

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Middle and Late Ordovician Lithostratigraphy and Biostratigraphy of the Upper Mississippi Valley

Middle and Late Ordovician Lithostratigraphy and Biostratigraphy of the Upper Mississippi Valley PDF Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 252

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The Middle and Upper Ordovician Strata of the Upper Mississippi Valley

The Middle and Upper Ordovician Strata of the Upper Mississippi Valley PDF Author: Allen F. Agnew
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 408

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New Evidence of Early Ordovician Tectonism in the Upper Mississippi Valley

New Evidence of Early Ordovician Tectonism in the Upper Mississippi Valley PDF Author: Greg A. Ludvigson
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 29

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New Evidence of Early Ordovician Tectonism in the Upper Mississippi Valley

New Evidence of Early Ordovician Tectonism in the Upper Mississippi Valley PDF Author: Gerald A. Miller (Ph. D.)
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 478

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The Geology of the Upper Mississippi Valley Zinc-lead District

The Geology of the Upper Mississippi Valley Zinc-lead District PDF Author: Allen Van Heyl
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 332

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The Geology of the New Richmond Member of the Shakopee Formation (Lower Ordovician) Upper Mississippi Valley

The Geology of the New Richmond Member of the Shakopee Formation (Lower Ordovician) Upper Mississippi Valley PDF Author: Paul J. Squillace
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 190

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Early Palaeozoic Biogeography and Palaeogeography

Early Palaeozoic Biogeography and Palaeogeography PDF Author: D.A.T. Harper
Publisher: Geological Society of London
ISBN: 1862393737
Category : Science
Languages : en
Pages : 485

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The Early Palaeozoic was a critical interval in the evolution of marine life on our planet. Through a window of some 120 million years, the Cambrian Explosion, Great Ordovician Biodiversification Event, End Ordovician Extinction and the subsequent Silurian Recovery established a steep trajectory of increasing marine biodiversity that started in the Late Proterozoic and continued into the Devonian. Biogeography is a key property of virtually all organisms; their distributional ranges, mapped out on a mosaic of changing palaeogeography, have played important roles in modulating the diversity and evolution of marine life. This Memoir first introduces the content, some of the concepts involved in describing and interpreting palaeobiogeography, and the changing Early Palaeozoic geography is illustrated through a series of time slices. The subsequent 26 chapters, compiled by some 130 authors from over 20 countries, describe and analyse distributional and in many cases diversity data for all the major biotic groups plotted on current palaeogeographic maps. Nearly a quarter of a century after the publication of the ‘Green Book’ (Geological Society, London, Memoir12, edited by McKerrow and Scotese), improved stratigraphic and taxonomic data together with more accurate, digitized palaeogeographic maps, have confirmed the central role of palaeobiogeography in understanding the evolution of Early Palaeozoic ecosystems and their biotas.

New Perspectives on the Paleozoic History of the Upper Mississippi Valley

New Perspectives on the Paleozoic History of the Upper Mississippi Valley PDF Author: B. J. Bunker
Publisher:
ISBN:
Category : Fault zones
Languages : en
Pages : 258

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Ordovician Galena Group of the Upper Mississippi Valley

Ordovician Galena Group of the Upper Mississippi Valley PDF Author: Society of Economic Paleontologists and Mineralogists. Great Lakes Section. Field Conference
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 139

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