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New Approaches to Understanding the Mechanics of Burgess Shale-Type Deposits: from the Micron Scale to the Global Picture Robert Gaines Pomona College
Claremont Colleges Scholarship @ Claremont Pomona Faculty Publications and Research Pomona Faculty Scholarship 1-1-2005 New Approaches to Understanding the Mechanics of Burgess Shale-type Deposits: From the Micron Scale to the Global Picture Robert Gaines Pomona College Mary L. Droser University of California - Riverside Recommended Citation Gaines, R.R., and Droser, M.L., 2005, New Approaches to Understanding the Mechanics of Burgess Shale-type Deposits: From the Micron Scale to the Global Picture, The eS dimentary Record, v. 3, n. 2, p. 4-8. http://www.sepm.org/pages.aspx?pageid=37 This Article is brought to you for free and open access by the Pomona Faculty Scholarship at Scholarship @ Claremont. It has been accepted for inclusion in Pomona Faculty Publications and Research by an authorized administrator of Scholarship @ Claremont. For more information, please contact [email protected]. The Sedimentary Record platforms, at sharp shelf-slope breaks (Conway New Approaches to Morris, 1998; Rees, 1986). Classic models for the Burgess Shale have considered the deposi- tional environment to be fully anoxic, due to Understanding the the exquisite preservation of fossils, and the dark color of the mudrocks (e.g., Conway Morris, 1986). This implies that the faunas Mechanics of Burgess were transported, yet some assemblages of fos- sils, such as the well-known Ogygopsis trilobite beds in the Burgess Shale and horizons that Shale-type Deposits: contain delicate sponges, clearly occur in situ. Important questions, key to a first-order understanding the biotas in an ecological sense, have remained: Can discrete, paleoeco- From the Micron Scale to logically meaningful assemblages be resolved from within the homogeneous sediments? the Global Picture Were bottom water oxygen conditions suffi- Robert R. -
Management Plan for the Great Basin National Heritage Area Approved April 30, 2013
Management Plan for the Great Basin National Heritage Area Approved April 30, 2013 Prepared by the Great Basin Heritage Area Partnership Baker, Nevada i ii Great Basin National Heritage Area Management Plan September 23, 2011 Plans prepared previously by several National Heritage Areas provided inspiration for the framework and format for the Great Basin National Heritage Area Management Plan. National Park Service staff and documents provided guidance. We gratefully acknowledge these contributions. This Management Plan was made possible through funding provided by the National Park Service, the State of Nevada, the State of Utah and the generosity of local citizens. 2011 Great Basin National Heritage Area Disclaimer Restriction of Liability The Great Basin Heritage Area Partnership (GBHAP) and the authors of this document have made every reasonable effort to insur e accuracy and objectivity in preparing this plan. However, based on limitations of time, funding and references available, the parties involved make no claims, promises or guarantees about the absolute accuracy, completeness, or adequacy of the contents of this document and expressly disclaim liability for errors and omissions in the contents of this plan. No warranty of any kind, implied, expressed or statutory, including but not limited to the warranties of non-infringement of third party rights, title, merchantability, fitness for a particular purpose, is given with respect to the contents of this document or its references. Reference in this document to any specific commercial products, processes, or services, or the use of any trade, firm or corporation name is for the inf ormation and convenience of the public, and does not constitute endorsement, recommendation, or favoring by the GBHAP or the authors. -
An Appraisal of the Great Basin Middle Cambrian Trilobites Described Before 1900
An Appraisal of the Great Basin Middle Cambrian Trilobites Described Before 1900 By ALLISON R. PALMER A SHORTER CONTRIBUTION TO GENERAL GEOLOGY GEOLOGICAL SURVEY PROFESSIONAL PAPER 264-D Of the 2ty species described prior to I(?OO, 2/ are redescribed and 2C} refigured, and a new name is proposedfor I species UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON : 1954 UNITED STATES DEPARTMENT OF THE INTERIOR Douglas McKay, Secretary GEOLOGICAL SURVEY W. E. Wrather, Director For sale by the Superintendent of Documents, U. S. Government Printing Office Washington 25, D. C. - Price $1 (paper cover) CONTENTS Page Abstract..__________________________________ 55 Introduction ________________________________ 55 Original and present taxonomic names of species. 57 Stratigraphic distribution of species ____________ 57 Collection localities._________________________ 58 Systematic descriptions.______________________ 59 Literature cited____________________________ 82 Index __-_-__-__---_--______________________ 85 ILLUSTRATIONS [Plates 13-17 follow page 86] PLATE 13. Agnostidae and Dolichometopidae 14. Dorypygidae 15. Oryctocephalidae, Dorypygidae, Zacanthoididae, and Ptychoparioidea 16. Ptychoparioidea 17. Ptychoparioidea FIGUBE 3. Index map showing collecting localities____________________________ . Page 56 in A SHORTER CONTRIBUTION TO GENERAL GEOLOGY AN APPRAISAL OF THE GREAT BASIN MIDDLE CAMBRIAN TRILOBITES DESCRIBED BEFORE 1900 By ALLISON R. PALMER ABSTRACT the species and changes in their generic assignments All 29 species of Middle Cambrian trilobites -
Smithsonian Miscellaneous Collections
SMITHSONIAN MISCELLANEOUS COLLECTIONS VOLUME 75. NUMBER 3 CAMBRIAN GEOLOGY AND PALEONTOLOGY V No. 3—CAMBRIAN AND OZARKIAN TRILOBITES (With Plates 15 to 24) BY CHARLES D. WALCOTT es'^ VorbH (Publication 2823) CITY OF WASHINGTON PUBLISHED BY THE SMITHSONIAN INSTITUTION JUNE 1, 1925 Z^e. JSorb Q0affttttorc (preee BALTIMORE, MD., U. S. A, . CAMBRIAN GEOLOGY AND PALEONTOLOGY V No. 3.—CAMBRIAN AND OZARKIAN TRILOBITES By CHARLES D. WALCOTT (With Plates 15 to 24) CONTENTS PAGE Introduction 64 Description of genera and species 65 Genus Amecephalus Walcott 65 Amecephalus piochensis (Walcott), Middle Cambrian (Chis- holm) 66 Genus Anoria Walcott 67 Anorta tovtoensis (Walcott), Upper Cambrian 68 Genus Armonia Walcott 69 Armonia pelops Walcott, Upper Cambrian (Conasauga) 69 Genus Beliefontia Ulrich 69 Beliefontia collieana (Raymond) Ulrich, Canadian 72 Belief07itia nonius (Walcott), Ozarkian (Mons) y2 Genus Bowmania, new genus 73 Bonmiania americana (Walcott), Upper Cambrian y^ Subfamily Dikelocephalinae Beecher 74 Genus Briscoia Walcott _. 74 Briscoia sinclairensis Walcott, Ozarkian (Mons) 75 Genus Burnetia Walcott yj Burnetia urania (Walcott), Upper Cambrian yj Genus Bynumia Walcott 78 Bynumia eumus Walcott, Upper Cambrian (Lyell) 78 Genus Cedaria Walcott 78 Cedaria proUUca Walcott, Upper Cambrian (Conasauga) 79 Cedaria tennesseensis, species, .' new Upper Cambrian . 79 Genus Chancia Walcott 80 Chancia ebdome Walcott, Middle Cambrian 80 Chancia evax, new species, Middle Cambrian 81 Genus Corbinia Walcott 81 Corbinia horatio Walcott, Ozarkian (Mons) 81 Corbinia valida, new species, Ozarkian (Mons) 82 Genus Crusoia Walcott 82 Crusoia cebes Walcott, Middle Cambrian 82 Genus Desmetia, new genus 83 Desmetia annectans (Walcott) , Ozarkian (Goodwin) 83 Smithsonian Miscellaneous Collections, Vol. 75, No. 3 61 62 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. -
Juab County Resource Management Plan
Juab County Resource Management Plan: I. Scope and Authority Juab County consists of 2,183,681 acres of land of which the Federal Government controls 1,569,966 acres or 71.90% of the land area. Of the 1,569,966 acres 1,442,917 acres are managed by the Bureau of Land Management, the Forest Service controls 109,917 acres, and the Fish and Wildlife Department controls 17,992 acres. In accordance with law Juab County asserts planning authority over all lands and natural resources within its geographical boundaries including those lands administered by the United States to the maximum extent, provided such plans and policies of Juab County are consistent with federal law. This is so for the following reasons: 1. The United States Constitution at Article I Section 8 Clause 17 grants Congress the power of exclusive legislation only over the District of Columbia and other places purchased by the consent of State Legislatures for the erection of forts, magazines, arsenals, dock-yards, and other needful buildings. The Utah Legislature reinforced this principle at Utah Code 63L-1-201, by ceding jurisdiction to the United States only over those lands used for the purposes spelled out in the U.S. Constitution Article I Section 8 Clause 17. No such lands are located in Juab County. Therefore, there is no constitutional basis for the Federal Government to assert exclusive jurisdiction over any federal land in Juab County. As the Tenth Amendments to the United States Constitution states: “The powers not delegated to the United States by the Constitution, nor prohibited by it to the States, are reserved to the States respectively, or to the people.” 2. -
Oxidized Zinc Deposits of the United States Part 2
Oxidized Zinc Deposits of the United States Part 2. Utah By ALLEN V. HEYL GEOLOGICAL SURVEY BULLETIN 1135-B A detailed study of the supergene zinc deposits of Utah UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON : 1963 UNITED STATES DEPARTMENT OF THE INTERIOR STEWART L. UDALL, Secretary GEOLOGICAL SURVEY Thomas B. Nolan, Director For sale by the Superintendent of Documents, U.S. Government Printin~ Office Washin~ton 25, D.C. CONTENTS Page Abstract ____________________ ~------------------------------------- B1 Introduction______________________________________________________ 1 Fieldwork____________________________________________________ 1 Acknowledgments_____________________________________________ 2 Geology__________________________________________________________ 2 Location of the deposits________________________________________ 2 ~ineralogy___________________________________________________ 3 Secondary zinc minerals_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 4 Smithsonite___ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 4 H emimorphite (calamine) __ _ _ __ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 6 Hydrozincite___ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __ _ _ _ _ _ 7 Aurichalcite_____ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __ _ _ _ _ _ _ _ _ _ _ _ 7 VVurtzite_____________________________________________ 8 Other secondary zinc minerals___________________________ 8 Associated minerals__ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ -
Burgess Shale−Type Biotas Were Not Entirely Burrowed Away
Downloaded from geology.gsapubs.org on September 25, 2015 Burgess shale−type biotas were not entirely burrowed away Robert R. Gaines1, Mary L. Droser2, Patrick J. Orr3, Daniel Garson2, Emma Hammarlund4,5, Changshi Qi6, and Donald E. Canfi eld4 1Geology Department, Pomona College, 185 E. Sixth Street, Claremont, California 91711, USA 2Department of Earth Sciences, University of California−Riverside, Riverside, California 92521, USA 3UCD School of Geological Sciences, University College Dublin, Dublin 4, Ireland 4Nordic Center for Earth Evolution, DK-5230 Odense M, Denmark 5Department of Palaeozoology, Swedish Museum of Natural History, SE-104 05 Stockholm, Sweden 6Yunnan Key Laboratory for Palaeobiology, Yunnan University, Kunming 650091, China ABSTRACT tion, a deepened redox boundary in sediment pore waters (e.g., Thayer, Burgess Shale−type biotas occur globally in the Cambrian record 1983; Ziebis et al., 1996), and increased sulfate availability in the global and offer unparalleled insight into the Cambrian explosion, the initial ocean (Canfi eld and Farquhar, 2009), all of which would affect the preser- Phanerozoic radiation of the Metazoa. Deposits bearing exception- vation potential of labile tissues. ally preserved soft-bodied fossils are unusually common in Cambrian An increase in depth of bioturbation and intensity of sediment mix- strata; more than 40 are now known. The well-documented decline of ing accompanying the expansion of the infaunal habitat through the early soft-bodied preservation following the Middle Cambrian represents Paleozoic is well documented in carbonate platform settings (Ausich and the closure of a taphonomic window that was only intermittently Bottjer, 1982; Droser and Bottjer, 1988, 1989). In muddy settings, sedi- open in marine environments thereafter. -
Smithsonian Miscellaneous Collections
SMITHSONIAN MISCELLANEOUS COLLECTIONS VOLUME 64, NUMBER 5 CAMBRIAN GEOLOGY AND PALEONTOLOGY III No. 5. CAMBRIAN TRILOBITES . (With Plates 45 to 67) BY CHARLES D. WALGOTT (Publication 2420) CITY OF WASHINGTON PUBLISHED BY THE SMITHSONIAN INSTITUTION SEPTEMBER 29, 1916 C^e JSorb (^adimote (preee BALTIMORE, MD., U. S. A. CAMBRIAN GEOLOGY AND PALEONTOLOGY III No. 5.—CAMBRIAN TRILOBITES By CHARLES D. WALCOTT (With Plates 45 to 67) CONTENTS PAGE Introduction 307 Descriptions of genera and species 308 Family Corynexochidae Angelin 308 Corynexochus Angelin 309 Coryncxochus bornholmicnsis Gronwall (pi. 55, figs. 2, 2a-b) 313 Corynexochus brennus, new species (pi. 57, figs. 3, 30-6) 314 Corynexochus bubaris, new species (pi. 56, figs. 2, 2a-b, 3, 3a-f) 314 Corynexochus capito, new species (pi. 57, figs. 2, 2a-e) 315 Corynexochus clavatus (Walcott) (pi. 55, figs. 4, j,a-b) 316 Corynexochus dclagei Miquel (pi. 55, figs. 2, ^a) 317 Corynexochus minor (Walcott) (pi. 55, figs. 6, 6a-d) . 319 Corynexochus senectus (Billings) (pi. 55, figs. 7, 7a-c; pi. 56, figs. I, la-g) 319 Corynexochus spinulosus Angelin (pi. 55, figs, i, la-b) 323 Corynexochus stephenensis (Walcott) (pi. 55, figs. 5, Sa-c) 324 Bonnia, new subgenus 325 Corynexochus {Bonnia) busa, new species (pi. 57, fig. la; pi. 60, figs. 3, 2,a-c) 326 Corynexochus {Bonnia) fieldensis (Walcott) (pi. 57, figs. 4, 4a-b) 327 Corynexochus {Bonnia) parvulus (Billings) (pi. 57, figs. I, ib-c; pi. 64, fig. 6) 328 Family Dolichometopinse 330 Bathyuriscus Meek 330 Comparison of Bathyuriscus with other genera 2:^2 Bathyuriscus adaus, new species (pi. -
Mineral Deposits of the Deep Creek Mountains, Tooele and Juab Counties, Utah
Mineral Deposits of the Deep Creek Mountains, Tooele and Juab Counties, Utah by K. C. Thomson UTAH GEOLOGICAL AND MINERALOGICAL SURVEY affiliated with THE COLLEGE OF MINES AND MINERAL INDUSTRIES University of Utah, Salt Lake City, Utah BULLETIN 99 PRICE $4.50 JUNE 1973 CONTENTS Page Page Abstract .................................... 1 Alaskite Intrusives ....................... 9 Dike Rocks .............................. 9 Introduction ................................. 3 Porphyry Dikes ......................... 9 Previous Work .............................. 3 Rhyolite Dikes ......................... 9 Physical Geography ........................... 3 Aplite Dikes ........................... 9 Andesite Dikes ......................... 9 Mapping and Analytical Techniques .................. 3 Basalt Dikes ...........................9 Pegmatite Dikes ......................... 9 Location of Mining Areas and Properties .............. 4 Extrusive Rocks ........................... 9 Ignimbrite Sequence ...................... 9 General Geology .............................. .4 Andesite ............................... 9 Stratigraphy . 4 Rhyolite .............................. 9 Precambrian Rocks ........................ .4 Tuff ................................. 9 Trout Creek Sequence ................... .4 Other Extrusive Rocks .................... 9 Johnson Pass Sequence ....................5 Structure ................................. 10 Water Canyon Sequence ................... 5 Southern Qifton Block ..................... 10 Cambrian and Precambrian -
Resolving Details of the Nonbiomineralized Anatomy of Trilobites Using Computed
Resolving Details of the Nonbiomineralized Anatomy of Trilobites Using Computed Tomographic Imaging Techniques Thesis Presented in Partial Fulfillment of the Requirements for the Master of Science in the Graduate School of The Ohio State University By Jennifer Anita Peteya, B.S. Graduate Program in Earth Sciences The Ohio State University 2013 Thesis Committee: Loren E. Babcock, Advisor William I. Ausich Stig M. Bergström Copyright by Jennifer Anita Peteya 2013 Abstract Remains of two trilobite species, Elrathia kingii from the Wheeler Formation (Cambrian Series 3), Utah, and Cornuproetus cornutus from the Hamar Laghdad Formation (Middle Devonian), Alnif, Morocco, were studied using computed tomographic (CT) and microtomographic (micro-CT) imaging techniques for evidence of nonbiomineralized alimentary structures. Specimens of E. kingii showing simple digestive tracts are complete dorsal exoskeletons preserved with cone-in-cone concretions on the ventral side. Inferred stomach and intestinal structures are preserved in framboidal pyrite, likely resulting from replication by a microbial biofilm. C. cornutus is preserved in non- concretionary limestone with calcite spar lining the stomach ventral to the glabella. Neither species shows sediment or macerated sclerites of any kind in the gut, which tends to rule out the possibilities that they were sediment deposit-feeders or sclerite-ingesting durophagous carnivores. Instead, the presence of early diagenetic minerals in the guts of E. kingii and C. cornutus favors an interpretation of a carnivorous feeding strategy involving separation of skeletal parts of prey prior to ingestion. ii Dedication This manuscript is dedicated to my parents for encouraging me to go into the field of paleontology and to Lee Gray for inspiring me to continue. -
A Route for the Overland Stage
Utah State University DigitalCommons@USU All USU Press Publications USU Press 2008 A Route for the Overland Stage Jesse G. Petersen Follow this and additional works at: https://digitalcommons.usu.edu/usupress_pubs Part of the Creative Writing Commons, and the Environmental Sciences Commons Recommended Citation Petersen, J. G. (2008). A route for the overland stage: James H. Simpson's 1859 trail across the Great Basin. Logan: Utah State University Press. This Book is brought to you for free and open access by the USU Press at DigitalCommons@USU. It has been accepted for inclusion in All USU Press Publications by an authorized administrator of DigitalCommons@USU. For more information, please contact [email protected]. 6693-6_OverlandStageCVR.ai93-6_OverlandStageCVR.ai 5/20/085/20/08 10:49:4010:49:40 AMAM C M Y CM MY CY CMY K A Route for the Overland Stage Library of Congress Prints and Photographs Division. Colonel James H. Simpson shown during his Civil War service as an offi cer of the Fourth New Jersey infantry. A Route for the Overland Stage James H. Simpson’s 1859 Trail Across the Great Basin Jesse G. Petersen Foreword by David L. Bigler Utah State University Press Logan, Utah Copyright ©2008 Utah State University Press All rights reserved Utah State University Press Logan, Utah 84322-7800 www.usu.edu/usupress Manufactured in the United States of America Printed on recycled, acid-free paper ISBN: 978-0-87421-693-6 (paper) ISBN: 978-0-87421-694-3 (e-book) Library of Congress Cataloging-in-Publication Data Petersen, Jesse G. -
WILDERNESS AREAS Sec
AEG17178 S.L.C. 115TH CONGRESS 1ST SESSION S. ll To designate as wilderness certain Federal portions of the red rock canyons of the Colorado Plateau and the Great Basin Deserts in the State of Utah for the benefit of present and future generations of people in the United States. IN THE SENATE OF THE UNITED STATES llllllllll llllllllll introduced the following bill; which was read twice and referred to the Committee on llllllllll A BILL To designate as wilderness certain Federal portions of the red rock canyons of the Colorado Plateau and the Great Basin Deserts in the State of Utah for the benefit of present and future generations of people in the United States. 1 Be it enacted by the Senate and House of Representa- 2 tives of the United States of America in Congress assembled, 3 SECTION 1. SHORT TITLE; TABLE OF CONTENTS. 4 (a) SHORT TITLE.—This Act may be cited as the 5 ‘‘America’s Red Rock Wilderness Act of 2017’’. 6 (b) TABLE OF CONTENTS.—The table of contents of 7 this Act is as follows: AEG17178 S.L.C. 2 Sec. 1. Short title; table of contents. Sec. 2. Definitions. TITLE I—DESIGNATION OF WILDERNESS AREAS Sec. 101. Great Basin Wilderness Areas. Sec. 102. Grand Staircase-Escalante Wilderness Areas. Sec. 103. Moab-La Sal Canyons Wilderness Areas. Sec. 104. Henry Mountains Wilderness Areas. Sec. 105. Glen Canyon Wilderness Areas. Sec. 106. San Juan-Anasazi Wilderness Areas. Sec. 107. Canyonlands Basin Wilderness Areas. Sec. 108. San Rafael Swell Wilderness Areas. Sec. 109. Book Cliffs and Uinta Basin Wilderness Areas.