Download or read book Late Mississippian Arnsbergian Stage E2 Chronozone Ammonoid Paleontology and Biostratigraphy of the Antler Foreland Basin California Nevada Utah written by Alan Lee Titus and published by Utah Geological Survey. This book was released on 2000 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the most important functions of paleontology in the earth sciences is time correlation of rock strata using taxonomic analysis of fossils in different regions. Comparisons of certain species’ similarities between regions frequently allows for precise age dating and correlation of strata limited only by the presence/absence of species and the speed at which they evolved. Between their first appearance in the early/middle Devonian and their ultimate extinction at the K-T boundary, no other single taxonomic group is as precise or as widely useful for time correlation of strata as the ammonoid cephalopods, an extinct distant relative of the modern chambered nautilus. This is especially true for the Carboniferous Era, where ammonoid change was extremely rapid for reasons that are as yet not fully known, although global climate fluctuation is probably a key driving force.
Download or read book Bulletin Utah Geological and Mineral Survey written by and published by . This book was released on 1997 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Survey Notes written by and published by . This book was released on 2001 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Ammonoid Paleobiology From macroevolution to paleogeography written by Christian Klug and published by Springer. This book was released on 2015-07-22 with total page 615 pages. Available in PDF, EPUB and Kindle. Book excerpt: This two-volume work is a testament to the abiding interest and human fascination with ammonites. We offer a new model to explain the morphogenesis of septa and the shell, we explore their habitats by the content of stable isotopes in their shells, we discuss the origin and later evolution of this important clade, and we deliver hypotheses on its demise. The Ammonoidea produced a great number of species that can be used in biostratigraphy and possibly, this is the macrofossil group, which has been used the most for that purpose. Nevertheless, many aspects of their anatomy, mode of life, development or paleobiogeographic distribution are still poorly known. Themes treated are biostratigraphy, paleoecology, paleoenvironment, paleobiogeography, evolution, phylogeny, and ontogeny. Advances such as an explosion of new information about ammonites, new technologies such as isotopic analysis, tomography and virtual paleontology in general, as well as continuous discovery of new fossil finds have given us the opportunity to present a comprehensive and timely "state of the art" compilation. Moreover, it also points the way for future studies to further enhance our understanding of this endlessly fascinating group of organisms.
Download or read book Mid carboniferous Ammonoid Biostratigraphy Southern Nye County Nevada written by Alan Lee Titus and published by . This book was released on 2001 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Carboniferous Timescale written by S.G. Lucas and published by Geological Society of London. This book was released on 2022-04-26 with total page 1012 pages. Available in PDF, EPUB and Kindle. Book excerpt: The print edition is published as 2 hardback volumes, parts A and B, and sold as a set. The Carboniferous was the time of the assembly of Pangaea by the collision of the Gondwanan and Larussian supercontinents, and the principal interval of the late Paleozoic ice ages. These tectonic and climatic events caused dramatic sea-level fluctuations and climate changes and produced a Carboniferous world that was diverse topographically and climatologically, perhaps only rivalled in that diversity by the late Cenozoic world. Furthermore, the Carboniferous was a time of the accumulation of vast coal deposits of great economic and societal significance. The temporal ordering of geological and biotic events during Carboniferous time thus is critical to the interpretation of some unique and pivotal events in Earth history. This temporal ordering is based on the Carboniferous timescale, which has been developed and refined for nearly two centuries. This book reviews the history of the development of the Carboniferous chronostratigraphic scale and includes comprehensive analyses of Carboniferous radioisotopic ages, magnetostratigraphy, isotope-based correlations, cyclostratigraphy and timescale-relevant marine and non-marine biostratigraphy and biochronology.
Download or read book Memoir written by and published by . This book was released on 1968 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Publications written by Utah Geological Survey and published by . This book was released on 2002-10 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Zoological Record written by and published by . This book was released on 2001 with total page 1448 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Zoological Record written by and published by . This book was released on with total page 1648 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Highway 12 written by Christian Probasco and published by . This book was released on 2005-05-04 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: Highway 12 is undoubtedly one of not only America's but the world's most scenic highways. From its intersection on the west with Highway 89 south of Panguitch, Utah, it runs up through Red Canyon onto the Paunsagunt Plateau and across Bryce Canyon National Park. It then drops into the Paria River Valley, passes through several tiny villages, crosses some extraordinary (for anywhere but this region) badlands, and descends the Escalante River into Potato Valley. While a driver may justifiably feel she has seen some scenery by that point, the highway is just getting started, for in the next stretch, it crosses a labyrinth of multicolored sandstone humps and corridors, climaxed by a narrow hogback with steep slickrock drops to each side, all within Grand Staircase-Escalante National Monument. Reaching the oasis of Boulder within this desert of rock, the road then climbs across the flank of the Aquarius Plateau, providing spectacular vistas and terminating at the gateway to Capitol Reef National Park. Along the way side roads and trails access the vast wilderness of the Paria and Escalante Rivers and the high plateaus they drain. Congress acknowledged the unequaled splendor of Highway 12 by designating it one of a handful of All-American Roads. To travel with Christian Probasco this road and its spurs, which lead deep into some of the wildest, most broken-up and stunning landscapes anywhere, can put a unique twist on an already singular experience. He knows the region as well as anyone and brings an original, edgy, youthful view to it. His opinions and his language may challenge you. His approaches to and perspectives on the land may sometimes surprise you. His understanding of the area's history and its people will likely teach you a thing or two.
Download or read book Books In Print 2004 2005 written by Ed Bowker Staff and published by R. R. Bowker. This book was released on 2004 with total page 3274 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Upper Devonian Mississippian Stratigraphic Sequences in the Distal Antler Foreland of Western Utah and Adjoining Nevada written by Norman John Silberling and published by . This book was released on 1995 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Upper Devonian to Upper Mississippian Strata of the Antler Foreland in the Leppy Hills Easternmost Northern Nevada written by Kathryn Marion Nichols and published by . This book was released on 1993 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: A multidisciplinary approach to research studies of sedimentary rocks and their constituents and the evolution of sedimentary basins, both ancient and modern.
Download or read book Upper Devonian Mississippian Stratigraphic Sequences in the Distal Antler Foreland of Western Utah and Adjoining Nevada written by and published by . This book was released on 1995 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book An Alternative Hypothesis for the Mid Paleozoic Antler Orogeny in Nevada written by Keith Brindley Ketner and published by Geological Survey (USGS). This book was released on 2012 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: A great volume of Mississippian orogenic deposits supports the concept of a mid-Paleozoic orogeny in Nevada, and the existence and timing of that event are not questioned here. The nature of the orogeny is problematic, however, and new ideas are called for. The cause of the Antler orogeny, long ascribed to plate convergence, is here attributed to left-lateral north-south strike-slip faulting in northwestern Nevada. The stratigraphic evidence originally provided in support of an associated regional thrust fault, the Roberts Mountains thrust, is now known to be invalid, and abundant, detailed map evidence testifies to post-Antler ages of virtually all large folds and thrust faults in the region. The Antler orogeny was not characterized by obduction of the Roberts Mountains allochthon; rocks composing the "allochthon" essentially were deposited in situ. Instead, the orogeny was characterized by appearance of an elongate north-northeast-trending uplift through central Nevada and by two parallel flanking depressions. The eastern depression was the Antler foreland trough, into which sediments flowed from both east and west in the Mississippian. The western depression was the Antler hinterland trough into which sediments also flowed from both east and west during the Mississippian. West of the hinterland trough, across a left-lateral strike-slip fault, an exotic landmass originally attached to the northwestern part of the North American continent was moved southward 1700 km along a strike-slip fault. An array of isolated blocks of shelf carbonate rocks, long thought to be autochthonous exposures in windows of the Roberts Mountains allochthon, is proposed here as an array of gravity-driven slide blocks dislodged from the shelf, probably initiated by the Late Devonian Alamo impact event.
