Geology And Paleontology of the Mingan Islands, Quebec PDF Download
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Author: W.H. Twenhofel
Publisher: Geological Society of America
ISBN: 0813720117
Category : Brachiopoda, Fossil
Languages : en
Pages : 167
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Author: W.H. Twenhofel
Publisher: Geological Society of America
ISBN: 0813720117
Category : Brachiopoda, Fossil
Languages : en
Pages : 167
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Book Description
Author: William Henry Twenhofel
Publisher:
ISBN:
Category : Brachiopoda, Fossil
Languages : en
Pages : 0
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Author: William Henry Twenhofel
Publisher:
ISBN:
Category : Brachiopoda, Fossil
Languages : en
Pages : 0
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Author: Edward Oscar Ulrich
Publisher: Geological Society of America
ISBN: 0813720494
Category : Cephalopoda, Fossil
Languages : en
Pages : 324
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Author: E. O. Ulrich
Publisher: Geological Society of America
ISBN: 0813720370
Category : Cephalopoda, Fossil
Languages : en
Pages : 225
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Book Description
Author: Richard A. Fortey
Publisher: John Wiley & Sons
ISBN: 1118850629
Category : Science
Languages : en
Pages : 263
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Book Description
This monograph describes early Ordovician (Ibexian: Tremadocian–early Floian) trilobites from Northern Spitsbergen from the section through the Kirtonryggen Formation adjacent to Hinlopen Strait. The Formation is divided into three Members, each with distinct trilobites collectively representing the fullest known succession from the Bathyurid biofacies of the eastern Laurentian carbonate platform. Previous research on the Ordovician of Spitsbergen is summarised and correlations with similar faunas previously described from Canada, Greenland, western Newfoundland, Vermont–New York State, Oklahoma and Missouri are discussed. Taxonomic problems are discussed in detail leading to the recognition of 53 species, of which 15 are new, belonging to 31 genera including four new. Twenty-four taxa are described under open or tentative nomenclature. The lower Member yields the earliest known occurrences of the Illaenoidea, Proetoidea and Scutelluoidea, supporting the hypotheses relating the origin of new major clades to inshore habitats.
Author: Noel P. James
Publisher: Springer Science & Business Media
ISBN: 1461237483
Category : Science
Languages : en
Pages : 422
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Book Description
Landscapes of the past have always held an inherent fascination for ge ologists because, like terrestrial sediments, they formed in our environment, not offshore on the sea floor and not deep in the subsurface. So, a walk across an ancient karst surface is truly a step back in time on a surface formed open to the air, long before humans populated the globe. Ancient karst, with its associated subterranean features, is also of great scientific interest because it not only records past exposure of parts of the earth's crust, but preserves information about ancient climate and the movement of waters in paleoaquifers. Because some paleokarst terranes are locally hosts for hydrocarbons and base metals in amounts large enough to be economic, buried and exhumed paleokarst is also of inordinate practical importance. This volume had its origins in a symposium entitled "Paleokarst Systems and Unconformities-Characteristics and Significance," which was orga nized and convened by us at the 1985 midyear meeting of the Society of Economic Paleontologists and Mineralogists on the campus of the Colorado School of Mines in Golden, Colorado. The symposium had its roots in our studies over the last decade, both separately and jointly, of a number of major and minor unconformities and of the diverse, and often spectacular paleokarst features associated with these unconformities.
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 1072
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Author: Christina Lochman
Publisher: Geological Society of America
ISBN: 0813720540
Category : Brachiopoda, Fossil
Languages : en
Pages : 216
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Author: Lore Rose David
Publisher: Geological Society of America
ISBN: 0813720435
Category : Fishes, Fossil
Languages : en
Pages : 228
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