Taxonomic Revision of the Spermatopsida of the Oligocene Creede Flora, Southern Colorado PDF Download
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Author: Jack A. Wolfe
Publisher:
ISBN:
Category : Creede Formation (Colo.)
Languages : en
Pages : 76
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Book Description
Author: Jack A. Wolfe
Publisher:
ISBN:
Category : Creede Formation (Colo.)
Languages : en
Pages : 76
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Book Description
Author: William F. Hanna
Publisher:
ISBN:
Category : Aeromagnetic prospecting
Languages : en
Pages : 400
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Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 76
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Book Description
Author: Herbert William Meyer
Publisher: Geological Society of America
ISBN: 081372435X
Category : Science
Languages : en
Pages : 192
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Book Description
The Florissant formation's fossil beds and petrified forest are interesting in themselves but also shed light on questions of paleoecology, macroevolution, and taphonomy (the study of the process of fossilization). Meyer (National Park Service. Florissant Fossil Beds National Monument, Colorado) and Smith (U. of Colorado Museum of Natural History--Paleontology/geological sciences, UC, Boulder) introduce 11 papers examining Florissant fossil flora, fauna, mineralogy and geochemistry through different periods and via a model of the role of microbial mats in its preservation. An integrated database/Web site to further related research is also discussed. The monograph is well-illustrated with geologic maps and images of historical figures in the field and specimens, but is not indexed.
Author: Daniel I. Axelrod
Publisher: Univ of California Press
ISBN: 9780520098244
Category : History
Languages : en
Pages : 164
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Book Description
This flora of 70 species is dominated by deciduous trees, many with descendants in China. Precipitation was 890 mm, mean annual temperature 12.5°C, the annual range 10°C, and freezing rare. Elevation was about 1000 meters. Comparison with the Horse Prairie flora, 30 miles east and across the present continental divide, indicates that the divide was then low and discontinuous, with warmer climate to the east.
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1690
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Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1200
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Author: Alan Graham
Publisher: Oxford University Press
ISBN: 019511342X
Category : Science
Languages : en
Pages : 372
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Book Description
This book is a unique and integrated account of the history of North American vegetation and paleoenvironments over the past 70 million years. It includes discussions of the modern plant communities, causal factors for environmental change, biotic response, and methodologies. The history reveals a North American vegetation that is vast, immensely complex, and dynamic.
Author: Geological Survey (U.S.)
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 746
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Author:
Publisher: Alexander Doweld
ISBN:
Category : Paleobotany
Languages : en
Pages : 134
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