The Echinoids of the Middle Eocene Warley Hill Formation, Santee Limestone, and Castle Hayne Limestone of North and South Carolina PDF Download
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Author: Porter M. Kier
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 112
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Book Description
The echinoids are described from the middle Eocene Warley Hill Formation, Santee Limestone, and Castle Hayne Limestone of North and South Carolina. Twenty-seven species are present including the following new taxa: Eurhodia baumi, Eurhodia rugosa ideali, Eurhodia rugosa depressa, Eupatagus wilsoni, Eupatagus lawsonae, Linthia harmatuki, Agassizia wilmingtonica Cooke inflata, and Protoscutella mississippiensis (Twitchell) rosehillensis. Three zones are identified: the earliest characterized by Protoscutella mississippiensis (Twitchell) and Santeelampas oviformis (Conrad), a middle zone with Linthia harmatuki and the youngest species of Protoscutella, and a late zone with large numbers of Periarchus lyelli (Conrad) and Echinolampas appendiculata Emmons. The early zone is considered early middle Eocene, the middle zone middle Eocene and the late zone probably late middle Eocene. The three species of Protoscutella appear to represent an evolutionary seriesP. mississippiensis (Twitchell) to P. conradi (Cotteau) to P. plana (Conrad)characterized by the shifting of the periproct nearer to the peristome. The echinoids lived in well-aerated sediments in a tropical sea.
Author: Porter M. Kier
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 112
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Book Description
The echinoids are described from the middle Eocene Warley Hill Formation, Santee Limestone, and Castle Hayne Limestone of North and South Carolina. Twenty-seven species are present including the following new taxa: Eurhodia baumi, Eurhodia rugosa ideali, Eurhodia rugosa depressa, Eupatagus wilsoni, Eupatagus lawsonae, Linthia harmatuki, Agassizia wilmingtonica Cooke inflata, and Protoscutella mississippiensis (Twitchell) rosehillensis. Three zones are identified: the earliest characterized by Protoscutella mississippiensis (Twitchell) and Santeelampas oviformis (Conrad), a middle zone with Linthia harmatuki and the youngest species of Protoscutella, and a late zone with large numbers of Periarchus lyelli (Conrad) and Echinolampas appendiculata Emmons. The early zone is considered early middle Eocene, the middle zone middle Eocene and the late zone probably late middle Eocene. The three species of Protoscutella appear to represent an evolutionary seriesP. mississippiensis (Twitchell) to P. conradi (Cotteau) to P. plana (Conrad)characterized by the shifting of the periproct nearer to the peristome. The echinoids lived in well-aerated sediments in a tropical sea.
Author: Charles Wythe Cooke
Publisher:
ISBN:
Category : Paleontology
Languages : en
Pages : 304
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Book Description
Descriptions and illustration of fossil and Recent sea urchins.
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 558
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Book Description
Author: Katharine Lee Avary
Publisher: Geological Society of America
ISBN: 0813725453
Category : Science
Languages : en
Pages : 266
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Book Description
"Dr. John M. Dennison spent his career studying the Appalachians, teaching and mentoring his students and professional colleagues, publishing papers, leading field trips, and presenting ideas at regional, national and international conferences. This volume is a collection of papers contributed by former students and colleagues to honor his memory. Learn about stratigraphy and paleontology ranging in age from Ordovician to Mississippian in Kentucky, New York, Tennessee, Virginia, and West Virginia; Devonian airfall tephras throughout the eastern United States; a Devonian lonestone; a Middle Eocene bentonite in North Carolina and its relationship to a volcanic swarm in western Virginia; and a 3D model of a ductile duplex in northwestern Georgia. The stratigraphic and geologic diversity of the papers reflect Dennison's many interests and relationships with a large group of geoscientists"--
Author: J. Wright Horton
Publisher: Univ. of Tennessee Press
ISBN: 9780870496622
Category : Science
Languages : en
Pages : 432
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Book Description
To celebrate its fiftieth anniversary, the Carolina Geological Society invited forty-three authors to contribute to the creation of The Geology of the Carolinas. The only comprehensive, modern treatment of the subject, the volume has been prepared for a diverse readership ranging from undergraduate students to specialists in the fields of geology and related earth sciences. Following the editors' general introduction are chapters on Precambrian and Paleozoic metamorphic and igneous rocks of the Appalachian Blue Ridge and Piedmont; rocks of early Mesozoic rift basins, formed just before the opening of the Atlantic Ocean; Cretaceous and Tertiary sedimentary deposits of the Atlantic Coastal Plain; Quaternary geology and geomorphology; Cenozoic tectonism, including evidence for the recurrence of large earthquakes near Charleston; and an overview of mineral resources in the Carolinas. The book includes an index of field guides produced by the society and a thorough bibliography. By introducing exciting new concepts and focusing on challenging problems on the frontiers of research, this authoritative book will stimulate research in the years to come. The Editors: J. Wright Horton, Jr., is a research geologist for the United States Geological Survey in Reston, Virginia. Victor A. Zullo is a professor of geology at the University of North Carolina at Wilmington.
Author: Sadoon Morad
Publisher: John Wiley & Sons
ISBN: 1118485378
Category : Science
Languages : en
Pages : 897
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Book Description
Sequence stratigraphy is a powerful tool for the prediction of depositional porosity and permeability, but does not account for the impact of diagenesis on these reservoir parameters. Therefore, integrating diagenesis and sequence stratigraphy can provide a better way of predicting reservoir quality. This special publication consists of 19 papers (reviews and case studies) exploring different aspects of the integration of diagenesis and sequence stratigraphy in carbonate, siliciclastic, and mixed carbonate-siliciclastic successions from various geological settings. This book will be of interest to sedimentary petrologists aiming to understand the distribution of diagenesis in siliciclastic and carbonate successions, to sequence stratigraphers who can use diagenetic features to recognize and verify interpreted key stratigraphic surfaces, and to petroleum geologists who wish to develop more realistic conceptual models for the spatial and temporal distribution of reservoir quality. This book is part of the International Association of Sedimentologists (IAS) Special Publications. The Special Publications from the IAS are a set of thematic volumes edited by specialists on subjects of central interest to sedimentologists. Papers are reviewed and printed to the same high standards as those published in the journal Sedimentology and several of these volumes have become standard works of reference.
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 800
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Book Description
Author: Stephen J. Culver
Publisher: Cambridge University Press
ISBN: 1139426737
Category : Science
Languages : en
Pages : 519
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Book Description
Concern about the effects of global change on our planet's future has driven much research into the last few thousand years of earth history. In contrast, this volume takes a much longer viewpoint to provide a historical perspective to recent and future global change. Over 40 international specialists investigate the reaction of life to global environmental changes, from Cretaceous times to the turn of the century. During this time earth's climate has changed from a very warm, 'greenhouse' phase with no significant ice sheets to today's 'ice-house' world. A wide spectrum of animal, plant and protistan life is discussed, encompassing terrestrial, shallow-marine and deep-marine realms. Each chapter considers a particular taxonomic group, looking first at the general picture and then focusing on more specialized aspects such as extinctions, diversity and biogeography. This volume will form an invaluable reference for researchers and graduate students in paleontology, geology, biology, oceanography and climatology.
Author: Porter M. Kier
Publisher:
ISBN:
Category : Animals, Fossil
Languages : en
Pages : 48
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Book Description
Oligocene echinoids are rare, which makes important this material from three quarries in North Carolina. Three species occur in the state quarry at Pollocksville: Psammechinus carolinensis, new species, Maretia carolinensis, new species, and Agassizia sp. At the New Bern quarry occur Rhyncholampas gouldii (Bouv) newbernensis, new subspecies, Agassizia mossomi Cooke, Psammechinus carolinensis, new species, Dixieus dixie (Cooke), Clypeaster rogersi (Morton), and Maretia sp. Periarchus lyelli (Conrad) is found in underlying Eocene beds. The Belgrade quarry fauna consists of Arbia aldrichi (Clark), Gagaria mossomi (Cooke), Echinocyamus wilsoni, new species, and Agassizia mossomi Cooke. These echinoids indicate a middle to late Oligocene age for the Trent Formation (= River Bend) and Belgrade Formation (= River Bend).
Author: Donald R. Prothero
Publisher: Columbia University Press
ISBN: 0231127162
Category : Eocene-Oligocene boundary
Languages : en
Pages : 558
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Book Description
The marine Eocene-Oligocene transition of 34 million years ago was a critical turning point in Earth's climatic history, when the warm, high-diversity "greenhouse" world of the early Eocene ceded to the glacial, "icehouse" conditions of the early Oligocene. This book surveys the advances in stratigraphic and paleontological research and isotopic analysis made since 1989 in regard to marine deposits around the world. In particular, it summarizes the high-resolution details of the so-called doubthouse interval (roughly 45 to 34 million years ago), which is critical to testing climatic and evolutionary hypotheses about the Eocene deterioration. The authors' goals are to discuss the latest information concerning climatic and oceanographic change associated with this transition and to examine geographic and taxonomic patterns in biotic turnover that provide clues about where, when, and how fast these environmental changes happened. They address a range of topics, including the tectonic and paleogeographic setting of the Paleogene; specific issues related to the stratigraphy of shelf deposits; advances in recognizing and correlating boundary sections; trends in the expression of climate change; and patterns of faunal and floral turnover. In the process, they produce a valuable synthesis of patterns of change by latitude and environment.
