The Eocene Thunder Mountain Flora of Central Idaho
The Eocene Thunder Mountain Flora of Central Idaho

Author: Daniel I. Axelrod

Publisher: Univ of California Press

Published: 1998-03-17

Total Pages: 74

ISBN-13: 0520098234

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An Eocene (45 Ma) flora from Thunder Mountain caldera shows that montane conifer forest species from upper slopes descended to interfinger with mixed conifer-deciduous hardwood forest on the caldera floor then near 1700 m. Most species are allied to those in the western United States, but a few genera are in China. Precipitation was near 100 cm yearly, with most in summer.

The Eocene Thunder Mountain Flora of Central Idaho
The Eocene Thunder Mountain Flora of Central Idaho

Author: Daniel I. Axelrod

Publisher: Univ of California Press

Published: 1998-03-17

Total Pages: 108

ISBN-13: 9780520098237

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An Eocene (45 Ma) flora from Thunder Mountain caldera shows that montane conifer forest species from upper slopes descended to interfinger with mixed conifer-deciduous hardwood forest on the caldera floor then near 1700 m. Most species are allied to those in the western United States, but a few genera are in China. Precipitation was near 100 cm yearly, with most in summer.

The Oligocene Haynes Creek Flora of Eastern Idaho
The Oligocene Haynes Creek Flora of Eastern Idaho

Author: Daniel I. Axelrod

Publisher: Univ of California Press

Published: 1998-07-31

Total Pages: 164

ISBN-13: 9780520098244

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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.

Paleoaltimetry
Paleoaltimetry

Author: Matthew J. Kohn

Publisher: Walter de Gruyter GmbH & Co KG

Published: 2018-12-17

Total Pages: 288

ISBN-13: 1501508601

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Volume 66 of Reviews in Mineralogy and Geochemistry is based on a two day short course entitled Paleoaltimetry: Geochemical and Thermodynamic Approaches held prior to the Geological Society of American annual meeting in Denver, Colorado (October 26-27, 2007). This meeting and volume were sponsored by the Geochemical Society, Mineralogical Society of America, and the United States Department of Energy. Contents: The Significance of Paleotopography Stable Isotope-Based Paleoaltimetry: Theory and Validation Paleoelevation Reconstruction Using Pedogenic Carbonates Stable Isotope Paleoaltimetry in Orogenic Belts – The Silicate Record in Surface and Crustal Geological Archives Paleoaltimetry from Stable Isotope Compositions of Fossils A Review of Paleotemperature–Lapse Rate Methods for Estimating Paleoelevation from Fossil Floras Paleoaltimetry: A Review of Thermodynamic Methods Paleoelevation Measurement on the Basis of Vesicular Basalts Stomatal Frequency Change Over Altitudinal Gradients: Prospects for Paleoaltimetry Thermochronologic Approaches to Paleotopography Terrestrial Cosmogenic Nuclides as Paleoaltimetric Proxies

Late Cretaceous and Cenozoic History of North American Vegetation
Late Cretaceous and Cenozoic History of North American Vegetation

Author: Alan Graham

Publisher: Oxford University Press

Published: 1999-03-25

Total Pages: 372

ISBN-13: 019511342X

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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.

The Miocene Purple Mountain Flora of Western Nevada
The Miocene Purple Mountain Flora of Western Nevada

Author: Daniel I. Axelrod

Publisher: Univ of California Press

Published: 1995-01-01

Total Pages: 120

ISBN-13: 9780520097971

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In this study, nine florules from the Chloropagus Formation near Fernley, Nevada, are dated at 14.7-13.4 million years. The author finds that dominant mixed conifer forest and sclerophyll woodland species of the Sierra Nevada-Klamath region replaced exotic deciduous hardwoods in the two lowest sites. He concludes that this change reflects the loss of adequate summer rain as upwelling from a colder ocean resulted from spreading East Antarctic ice.

Tectonic Boundary Conditions for Climate Reconstructions
Tectonic Boundary Conditions for Climate Reconstructions

Author: Thomas J. Crowley

Publisher: Oxford University Press, USA

Published: 1998

Total Pages: 312

ISBN-13: 9780195112450

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In recent years, efforts to integrate solid earth geophysical studies and climate studies have progressed slowly, but this volume responds to the deficiency with an in-depth examination of climate modeling. Written by eminent figures from both disciplines, it focuses on the role of tectonic boundary conditions for paleoclimate reconstruction at the same time it presents background material on the impact of tectonic changes on climate and the uncertainties in tectonic boundary conditions.

A Miocene (10-12 Ma) Evergreen Laurel-Oak Forest from Carmel Valley, California
A Miocene (10-12 Ma) Evergreen Laurel-Oak Forest from Carmel Valley, California

Author: Daniel I. Axelrod

Publisher: Univ of California Press

Published: 2000-06-12

Total Pages: 68

ISBN-13: 9780520915992

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This is a study of the Miocene Carmel flora of California, an evergreen laurel–oak forest that grew in a mild temperate (mean annual temperature of 15 degrees C), frost-free climate, with annual precipitation of about 760 mm (30 in.). Collectively, the Carmel and other Miocene floras like the San Pablo and Temblor (broad-leafed deciduous trees, with few evergreen species), the Puente (evergreen oak forest with chaparral species), the Mint Canyon, Ricardo, and Tehachapi (numerous arid subtropical scrub associated with oak woodland and chaparral species) suggest they foreshadowed a similar distribution of the different California vegetation zones today.