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Author: Dennis R. Kolata Publisher: ISBN: 9780578911755 Category : Languages : en Pages :
Book Description
This 328-page hardback volume printed by the Illinois State Geological Survey includes over 1200 full-color, high-resolution photographs of fossil specimens collected from the Upper Ordovician Platteville Formation in the Upper Midwest USA. The described and illustrated fossil assemblage includes exceptionally well-preserved sponges, corals, bryozoans, brachiopods, polyplacophorans, gastropods, bivalves, rostroconchs, cephalopods, trilobites, ostracodes, echinoderms, graptolites, cornulitids, hyolithids, macroalgae, and a wide variety of trace fossils.This overview is directed to students, collectors, and professional paleontologists. Each chapter begins with a brief introduction to the morphological terms used to describe the various fossil groups, followed by systematic descriptions, remarks, and occurrence information. This overview can serve as a starting place and a source of inspiration for future paleontological research on the fossils of the Platteville Formation, offer insights regarding past climate and the environments in which life thrived, and ultimately shed light on the history of life on our planet.Many Platteville fossils were described in pre-20th century reconnaissance reports commissioned by the state geological surveys of Illinois, Iowa, Minnesota, and Wisconsin. A historical summary of paleontological investigations of the Upper Ordovician stratigraphic succession can be found in Sloan (1987). A drawback to understanding the documented faunal composition of the Platteville Formation is that many of the fossils are described and illustrated in diverse monographs and shorter papers spanning more than 150 years and published by a variety of organizations. Many of these publications are difficult to find in libraries and are not available online. Furthermore, they tend to focus on specific phyla rather than the overall faunal associations. An added drawback is that many early publications lack high-resolution photographs, making it difficult to compare and contrast fossil specimens.
Author: Dennis R. Kolata Publisher: ISBN: 9780578911755 Category : Languages : en Pages :
Book Description
This 328-page hardback volume printed by the Illinois State Geological Survey includes over 1200 full-color, high-resolution photographs of fossil specimens collected from the Upper Ordovician Platteville Formation in the Upper Midwest USA. The described and illustrated fossil assemblage includes exceptionally well-preserved sponges, corals, bryozoans, brachiopods, polyplacophorans, gastropods, bivalves, rostroconchs, cephalopods, trilobites, ostracodes, echinoderms, graptolites, cornulitids, hyolithids, macroalgae, and a wide variety of trace fossils.This overview is directed to students, collectors, and professional paleontologists. Each chapter begins with a brief introduction to the morphological terms used to describe the various fossil groups, followed by systematic descriptions, remarks, and occurrence information. This overview can serve as a starting place and a source of inspiration for future paleontological research on the fossils of the Platteville Formation, offer insights regarding past climate and the environments in which life thrived, and ultimately shed light on the history of life on our planet.Many Platteville fossils were described in pre-20th century reconnaissance reports commissioned by the state geological surveys of Illinois, Iowa, Minnesota, and Wisconsin. A historical summary of paleontological investigations of the Upper Ordovician stratigraphic succession can be found in Sloan (1987). A drawback to understanding the documented faunal composition of the Platteville Formation is that many of the fossils are described and illustrated in diverse monographs and shorter papers spanning more than 150 years and published by a variety of organizations. Many of these publications are difficult to find in libraries and are not available online. Furthermore, they tend to focus on specific phyla rather than the overall faunal associations. An added drawback is that many early publications lack high-resolution photographs, making it difficult to compare and contrast fossil specimens.
Author: John M. Nickles Publisher: ISBN: 9781332004317 Category : Science Languages : en Pages : 74
Book Description
Excerpt from The Upper Ordovician Rocks of Kentucky and Their Bryozoa Sir: - I have the honor to herewith submit for publication a report on the Upper Ordovician Rocks of Kentucky and their Bryozoa, by Professor John M. Sickles. This is a contribution toward the proper classification of our geological formations, which, as has been stated in another report, is necessary for an intelligent and adequate understanding of their economic values. In order, for example, that we may be able to estimate the depth below the surface at which a known oil or gas-bearing stratum may be found, we must be able to identify the beds seen at the surface and know their relations to other beds in the series of which the oil-beariug stratum forms a member. The identification of particular beds or a groupof bedsiuaseries of stratified rocks largely depends upon a knowledge of their characteristic fossils. There is less general knowledge of bryozoa than of other fossil forms, and yet they are often the only trustworthy means for discriminating some of the minor divisions of a formation series. The Surrey has been fortunate in having the services of Professor Nickles in dealing with that difficult feature of our classification studies, as they relate to the Upper Ordovician or Cincinnatian rocks. The general study of the Cincinnatian series is in the hands of Professor Aug. F. Foerste. His report, which will include many plates, is in course of preparation. It seems well to here notice two suggestions made by Professor Nickles. Calling attention to the fact that the Eden beds are the ones that constitute the least fertile of the Ordovician lands, he suggests that a systematic replanting of timber in the Eden areas would be of exceeding value to the State. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Dennis R. Kolata
Author: Dennis R. Kolata
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Author: 
Author: John M. Nickles