The Bug Creek Problem And The Cretaceous Tertiary Transition At Mcguire Creek Montana
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The Bug Creek Problem And The Cretaceous Tertiary Transition At Mcguire Creek Montana
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Author : Donald L. Lofgren
language : en
Publisher: Univ of California Press
Release Date : 1995-08-31
The Bug Creek Problem And The Cretaceous Tertiary Transition At Mcguire Creek Montana written by Donald L. Lofgren and has been published by Univ of California Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-08-31 with Science categories.
Bug Creek assemblages from Montana, transitional in composition between typical Cretaceous and Paleocene vertebrate faunas, are critical to K-T extinction debates because they have been used to support both gradual and catastrophic K-T extinction scenarios. Geological and palynological data from McGuire Creek indicate that Bug Creek assemblages are Paleocene and restricted to channel fills entrenched into older sediments, suggesting that the Cretaceous component of the assemblage was reworked. Thus, the author concludes, "Paleocene dinosaurs" are an illusion and the K-T survival rate of mammals is low because the presence of Cretaceous mammals in Bug Creek assemblages is also the result of reworking.
The Bug Creek Problem And The Cretaceous Tertiary Transition At Mcguire Creek Montana
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Author : Donald Lionel Lofgren
language : en
Publisher:
Release Date : 1990
The Bug Creek Problem And The Cretaceous Tertiary Transition At Mcguire Creek Montana written by Donald Lionel Lofgren and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with categories.
Through The End Of The Cretaceous In The Type Locality Of The Hell Creek Formation In Montana And Adjacent Areas
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Author : Gregory P. Wilson
language : en
Publisher: Geological Society of America
Release Date : 2014-01-21
Through The End Of The Cretaceous In The Type Locality Of The Hell Creek Formation In Montana And Adjacent Areas written by Gregory P. Wilson and has been published by Geological Society of America this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-01-21 with Science categories.
"The chapters represent a surge of field and laboratory research activity, illustrating the impacts of new and refined methods and tools. This volume explores geologic and biologic history preserved in the strata bounding the Cretaceous-Paleogene boundary"--Provided by publisher.
The Oligocene Haynes Creek Flora Of Eastern Idaho
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Author : Daniel I. Axelrod
language : en
Publisher: Univ of California Press
Release Date : 1998-07-31
The Oligocene Haynes Creek Flora Of Eastern Idaho written by Daniel I. Axelrod and has been published by Univ of California Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998-07-31 with History categories.
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.
New Perspectives On Horned Dinosaurs
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Author : Michael J. Ryan
language : en
Publisher: Indiana University Press
Release Date : 2010
New Perspectives On Horned Dinosaurs written by Michael J. Ryan and has been published by Indiana University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Nature categories.
Easily distinguished by the horns and frills on their skulls, ceratopsians were one of the most successful of all dinosaurs. This volume presents a broad range of cutting-edge research on the functional biology, behavior, systematics, paleoecology, and paleogeography of the horned dinosaurs, and includes descriptions of newly identified species.
The Complete Dinosaur
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Author : M. K. Brett-Surman
language : en
Publisher: Indiana University Press
Release Date : 2018-11-01
The Complete Dinosaur written by M. K. Brett-Surman and has been published by Indiana University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-11-01 with Science categories.
A new edition of the illustrated compendium that is "a gift to serious dinosaur enthusiasts" ( Science). What do we know about dinosaurs, and how do we know it? How did they grow, move, eat, and reproduce? Were they warm-blooded or cold-blooded? How intelligent were they? How are the various groups of dinosaurs related to each other, and to other kinds of living and extinct vertebrates? What can the study of dinosaurs tell us about the process of evolution? And why did typical dinosaurs become extinct? These questions and more are addressed in this new, expanded edition of The Complete Dinosaur. Written by leading experts on the "fearfully great" reptiles, the book covers what we have learned about dinosaurs, from the earliest discoveries to the most recent controversies. Where scientific contention exists, the editors have let the experts agree to disagree. The Complete Dinosaur is a feast for serious dinosaur lovers, from the enthusiastic amateur to the professional paleontologist. Praise for the first edition: "An excellent encyclopedia that serves as a nice bridge between popular and scholarly dinosaur literature." — Library Journal (starred review) "Stimulating armchair company for cold winter evenings. . . . Best of all, the book treats dinosaurs as intellectual fun." — New Scientist "Useful both as a reference and as a browse-and-enjoy compendium." — Natural History "Copiously illustrated and scrupulously up-to-date." — Publishers Weekly "The amount of information in [these] pages is amazing. This book should be on the shelves of dinosaur freaks as well as those who need to know more about the paleobiology of extinct animals. It will be an invaluable library reference." —American Reference Books Annual
Contributions To Geology
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Author :
language : en
Publisher:
Release Date : 1991
Contributions To Geology written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Geology categories.
Otherlands
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Author : Thomas Halliday
language : en
Publisher: Penguin UK
Release Date : 2022-02-01
Otherlands written by Thomas Halliday and has been published by Penguin UK this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-02-01 with Science categories.
FOYLES NON-FICTION BOOK OF THE YEAR A SUNDAY TIMES TOP TEN BESTSELLER THE WAINWRIGHT PRIZE FOR NATURE WRITING - HIGHLY COMMENDED LONGLISTED FOR THE BAILLIE GIFFORD PRIZE FOR NON-FICTION A BEST BOOK OF THE YEAR IN THE SUNDAY TIMES, TELEGRAPH, PROSPECT, THE NEW YORKER AND BBC HISTORY WATERSTONES NON-FICTION BOOK OF THE MONTH 'The best book on the history of life on Earth I have ever read' Tom Holland 'Epically cinematic... A book of almost unimaginable riches' Sunday Times This is the past as we've never seen it before. Otherlands is an epic, exhilarating journey into deep time, showing us the Earth as it used to exist, and the worlds that were here before ours. Award-winning young palaeobiologist Thomas Halliday immerses us in a series of ancient landscapes, from the mammoth steppe in Ice Age Alaska to the lush rainforests of Eocene Antarctica, with its colonies of giant penguins, to Ediacaran Australia, where the moon is far brighter than ours today. We visit the birthplace of humanity; we hear the crashing of the highest waterfall the Earth has ever known; and we watch as life emerges again after the asteroid hits, and the age of the mammal dawns. Otherlands is a staggering imaginative feat: an emotional narrative that underscores the tenacity of life - yet also the fragility of seemingly permanent ecosystems, including our own. To read it is to see the last 500 million years not as an endless expanse of unfathomable time, but as a series of worlds, simultaneously fabulous and familiar. Sunday Times bestseller, March 2023
Biostratigraphy And Vertebrate Paleontology Of The San Timoteo Badlands Southern California
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Author : L. Barry Albright III
language : en
Publisher: Univ of California Press
Release Date : 2000-03-08
Biostratigraphy And Vertebrate Paleontology Of The San Timoteo Badlands Southern California written by L. Barry Albright III and has been published by Univ of California Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-03-08 with Science categories.
The author describes forty-two fossil taxa recovered during a study of the San Timoteo Badlands that used magnetobiostratigraphy to develop a temporal framework for addressing the tectonic evolution of southern California over the last 6 million years. For the Pliocene, small mammals are an effective means of correlating a magnetostratigraphy to the Geomagnetic Polarity Time Scale when radioisotopic dates are unobtainable.
A Miocene 10 12 Ma Evergreen Laurel Oak Forest From Carmel Valley California
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Author : Daniel I. Axelrod
language : en
Publisher: Univ of California Press
Release Date : 2000-06-12
A Miocene 10 12 Ma Evergreen Laurel Oak Forest From Carmel Valley California written by Daniel I. Axelrod and has been published by Univ of California Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-06-12 with Science categories.
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.