Of Coal in the Kaiparowits Plateau, Southern Utah

Total Page:16

File Type:pdf, Size:1020Kb

Of Coal in the Kaiparowits Plateau, Southern Utah Chapter T National Coal Resource Geologic Overview and Resource Assessment Assessment of Coal in the Kaiparowits Plateau, Southern Utah Click here to return to Disc 1 By Robert D. Hettinger,1 Laura N.R. Roberts,1 Volume Table of Contents Laura R.H. Biewick,1 and Mark A. Kirschbaum1 Chapter T of Geologic Assessment of Coal in the Colorado Plateau: Arizona, Colorado, New Mexico, and Utah Edited by M.A. Kirschbaum, L.N.R. Roberts, and L.R.H. Biewick U.S. Geological Survey Professional Paper 1625–B* Chapter T supersedes U.S. Geological Survey Open-File Report 96-539 1 U.S. Geological Survey, Denver, Colorado 80225 * This report, although in the USGS Professional Paper series, is available only on CD-ROM and is not available separately U.S. Department of the Interior U.S. Geological Survey Contents Abstract........................................................................................................................................................ T1 Introduction ................................................................................................................................................... 2 Purpose and Scope ............................................................................................................................. 2 Methods ................................................................................................................................................ 2 Lithologic and Stratigraphic Data ............................................................................................ 2 Geologic Maps ............................................................................................................................ 3 Geographic Boundaries............................................................................................................. 3 Location................................................................................................................................................. 3 Previous Mining Activity and Geologic Studies ............................................................................. 3 Acknowledgments............................................................................................................................... 7 Geologic Setting............................................................................................................................................ 7 General Stratigraphy of Cretaceous and Tertiary Strata of the Kaiparowits Plateau.............. 7 Detailed Stratigraphy of the Upper Cretaceous Straight Cliffs Formation................................. 7 Sequence Stratigraphy of the Straight Cliffs Formation ............................................................. 10 Structure ............................................................................................................................................. 14 Coal Distribution, Quality, and Resources in the Calico and A-Sequences...................................... 14 Coal Distribution................................................................................................................................. 14 Coal Distribution in Outcrops.................................................................................................. 19 Coal Distribution in the Subsurface....................................................................................... 19 Coal Quality......................................................................................................................................... 21 Coal Resources .................................................................................................................................. 24 Geologic Restrictions to Coal Availability......................................................................................24 Overburden ................................................................................................................................ 24 Coal-Bed Thickness ................................................................................................................. 28 Dip of Strata............................................................................................................................... 28 Coal Resource Summary ........................................................................................................................... 43 References Cited ........................................................................................................................................ 43 Appendix 1—Database Tables................................................................................................................. 47 Appendix 2—Coal Tonnage Tables for Quadrangles and Townships................................................ 53 Appendix 3—Summary of Coal Measurements and Resource Estimates from Previous Studies .................................................................................................................. 59 Appendix 4—Summary of Coal Quality................................................................................................... 64 Appendix 5—Lithologic and Stratigraphic Data for Selected Drill Holes from the Kaiparowits Plateau Database [Location, lithologic, and stratigraphic data are available in ASCII format, DBF, and Excel spreadsheets on disc 2 of this CD-ROM set] Appendix 6—ArcView Project [The digital fi les used for the coal resource assessment of the Kaiparowits Plateau are presented as views in the ArcView project. The ArcView project and the digital fi les are stored on both discs of this CD-ROM set—Appendix 6 of chapter T resides on both discs. Persons who do not have ArcView 3.1 may query the data by means of the ArcView Data Publisher on disc 1. Persons who do have ArcView 3.1 may utilize the full functionality of the software by accessing the data that reside on disc 2. An explanation of the ArcView project and data library —and how to get started using the software—is given by Biewick and Mercier (chap. D, this CD-ROM). Metadata for all digital fi les are also accessible through the ArcView project] Plate 1. Locations of data points and correlation diagrams, Kaiparowits Plateau, Utah ........... T69 Figure A. Location of drill holes, measured sections, and control points Figure B. Location of lines of section for transects A-A′, B-B′, and C-C′ Figure C. Coal correlations in the Calico and A-sequences along cross section A-A′ Figure D. Coal correlations in the Calico and A-sequences along cross section B-B′ Figure E. Coal correlations in the Calico and A-sequences along cross section C-C′ Figures 1. Location of Kaiparowits Plateau, Utah ................................................................................... T4 2. Index map for 7.5’ quadrangles and townships in the Kaiparowits Plateau, Utah............ 6 3. Generalized geologic map showing outcrops of Upper Cretaceous and Tertiary rocks in the Kaiparowits Plateau, Utah.............................................................. 8 4. Paleogeographic map of the central part of North America during the Coniacian and Santonian Stages of the Cretaceous Period............................................... 11 5. Stratigraphic divisions of the Straight Cliffs Formation ....................................................... 12 6. Sequence stratigraphy and facies relationships of the Straight Cliffs Formation and upper part of the Tropic Shale....................................................................... 13 7. Responses of gamma ray and bulk density logs to lithologies in the Calico and A-sequences ................................................................................................ 15 8. Isopach map showing the combined thickness of the Calico and A-sequences............ 16 9. Structural features and inclination of strata within the Kaiparowits Plateau, Utah.................................................................................................. 17 10. Structure contour map of the Calico sequence boundary .................................................. 18 11. Isopach map of net coal in the Calico and A-sequences.................................................... 20 12. Coal distribution in the Calico and A-sequences.................................................................. 22 13. Map showing areas of reliability for coal resources in the Calico and A-sequences ... 26 14. Mineral ownership for areas underlain by the Calico and A-sequences......................... 27 15. Overburden on the Calico sequence boundary..................................................................... 29 16A. Distribution of net coal in beds 1.0–2.4 ft thick in the Calico and A-sequences.............. 30 16B. Distribution of the number of coal beds that are 1.0–2.4 ft thick in the Calico and A-sequences ................................................................................................ 31 17A. Distribution of net coal in beds 2.5–3.4 ft thick in the Calico and A-sequences.............. 32 17B. Distribution of the number of coal beds that are 2.5–3.4 ft thick in the Calico and A-sequences ................................................................................................ 33 18A. Distribution of net coal in beds 3.5–7.4 ft thick in the Calico and A-sequences.............. 34 18B. Distribution of the number of coal beds that are 3.5–7.4 ft thick in the Calico and A-sequences ...................................................................................................
Recommended publications
  • Scoping Report: Grand Staircase-Escalante National
    CONTENTS 1 Introduction .............................................................................................................................................. 1 2 Scoping Process ....................................................................................................................................... 3 2.1 Purpose of Scoping ........................................................................................................................... 3 2.2 Scoping Outreach .............................................................................................................................. 3 2.2.1 Publication of the Notice of Intent ....................................................................................... 3 2.2.2 Other Outreach Methods ....................................................................................................... 3 2.3 Opportunities for Public Comment ................................................................................................ 3 2.4 Public Scoping Meetings .................................................................................................................. 4 2.5 Cooperating Agency Involvement ................................................................................................... 4 2.6 National Historic Preservation Act and Tribal Consultation ....................................................... 5 3 Submission Processing and Comment Coding .................................................................................... 5
    [Show full text]
  • Terrestrial Vertebrate Fauna of the Kaiparowits Basin
    Great Basin Naturalist Volume 40 Number 4 Article 2 12-31-1980 Terrestrial vertebrate fauna of the Kaiparowits Basin N. Duane Atwood U.S. Forest Service, Provo, Utah Clyde L. Pritchett Brigham Young University Richard D. Porter U.S. Fish and Wildlife Service, Provo, Utah Benjamin W. Wood Brigham Young University Follow this and additional works at: https://scholarsarchive.byu.edu/gbn Recommended Citation Atwood, N. Duane; Pritchett, Clyde L.; Porter, Richard D.; and Wood, Benjamin W. (1980) "Terrestrial vertebrate fauna of the Kaiparowits Basin," Great Basin Naturalist: Vol. 40 : No. 4 , Article 2. Available at: https://scholarsarchive.byu.edu/gbn/vol40/iss4/2 This Article is brought to you for free and open access by the Western North American Naturalist Publications at BYU ScholarsArchive. It has been accepted for inclusion in Great Basin Naturalist by an authorized editor of BYU ScholarsArchive. For more information, please contact [email protected], [email protected]. TERRESTRIAL VERTEBRATE FAUNA OF THE KAIPAROWITS BASIN N. Diiane Atwood', Clyde L. Pritchctt', Richard D. Porter', and Benjamin W. Wood' .\bstr^ct.- This report inehides data collected during an investigation by Brighani Young University personnel to 1976, as well as a literature from 1971 review. The fauna of the Kaiparowits Basin is represented by 7 species of salamander, toads, mnphihians (1 5 and 1 tree frog), 29 species of reptiles (1 turtle, 16 lizards, and 12 snakes), 183 species of birds (plus 2 hypothetical), and 74 species of mammals. Geographic distribution of the various species within the basin are discussed. Birds are categorized according to their population and seasonal status.
    [Show full text]
  • A Preliminary Assessment of Archaeological Resources Within the Grand Staircase-Escalante National Monument, Utah
    A PRELIMINARY ASSESSMENT OF ARCHAEOLOGICAL RESOURCES WITHIN THE GRAND STAIRCASE-ESCALANTE NATIONAL MONUMENT, UTAH by David B. Madsen Common rock art elements of the Fremont and Anasazi on the Colorado Plateau and the Grand Staircase-Escalante National Monument. ,I!! CIRCULAR 95 . 1997 I~\' UTAH GEOLOGICAL SURVEY ." if;~~ 6EPARTMENT OF NATURAL RESOURCES ISBN 1-55791-605-5 STATE OF UTAH Michael O. Leavitt, Governor DEPARTMENT OF NATURAL RESOURCES Ted Stewart, Executive Director UTAH GEOLOGICAL SURVEY M. Lee Allison~ Director UGS Board Member Representing Russell C. Babcock, Jr. (chairman) .................................................................................................. Mineral Industry D. Cary Smith ................................................................................................................................... Mineral Industry Richard R. Kennedy ....................................................................................................................... Civil Engineering E.H. Deedee O'Brien ......................................................................................................................... Public-at-Large C. William Berge .............................................................................................................................. Mineral Industry Jerry Golden ..................................................................................................................................... Mineral Industry Milton E. Wadsworth ...............................................................................................
    [Show full text]
  • 38-Simpson Et Al (Wahweap Fm).P65
    Sullivan et al., eds., 2011, Fossil Record 3. New Mexico Museum of Natural History and Science, Bulletin 53. 380 UPPER CRETACEOUS DINOSAUR TRACKS FROM THE UPPER AND CAPPING SANDSTONE MEMBERS OF THE WAHWEAP FORMATION, GRAND STAIRCASE-ESCALANTE NATIONAL MONUMENT, UTAH, U.S.A. EDWARD L. SIMPSON1, H. FITZGERALD MALENDA1, MATTATHIAS NEEDLE1, HANNAH L. HILBERT-WOLF2, ALEX STEULLET3, KEN BOLING3, MICHAEL C. WIZEVICH3 AND SARAH E. TINDALL1 1 Department of Physical Sciences, Kutztown University, Kutztown, PA 19530; 2 Department of Geology, Carleton College, Northfield, MN, 55057; 3 Central Connecticut State University, Department of Physics and Earth Sciences, New Britain, Connecticut 06050, USA Abstract—Tridactyl tracks were identified in the fluvial strata of the Upper Cretaceous Wahweap Formation in Grand Staircase-Escalante National Monument, southern Utah, U.S.A. An isolated track and a trackway are located within the upper member at the Cockscomb, and an isolated track is in the capping sandstone member at Wesses Canyon. The upper member tracks are tridactyl pes imprints consisting of a longer, blunt digit III and shorter, blunt digits II-IV. This trace corresponds well to an ornithropod dinosaur as the trackmaker. The capping sandstone member track is a tridactyl pes with an elongate digit III and shorter digits II-IV. Claw impressions are present on the terminus of digits II and III. This trace is consistent with the pes impression of a one meter tall theropod. The tracks further highlight the diversity of dinosaurs in the capping sandstone of the Wahweap Formation. INTRODUCTION During the Late Cretaceous, North America, in particular the west- ern United States, was the site of a radiation of new dinosaurian genera.
    [Show full text]
  • Energy and Mineral Resources, Grand Staircase
    Circular 93 Utah Geological Survey Illustration Captions View figure: Circular 93 1., 2., 3., 4., 5., 6., 7., 8., 9., 10., 11., 12., 13., 14., 15. A Preliminary Assessment of Energy and Table of Contents 1.Preface Mineral Resources within the Grand 2.Summary 3.Introduction Staircase - Escalante National Monument 4.Geology 5.Kaiparowits Plateau coal Compiled by M. Lee Allison, State Geologist field 6.Oil and Gas Potential Contributors: 7.Tar-sand Resources Robert E. Blackett, Editor 8.Non-fuel Minerals and Thomas C. Chidsey Jr., Oil and Gas Mining David E. Tabet, Coal and Coal-Bed Gas 9.Acknowledgments Robert W. Gloyn, Minerals 10.References Charles E. Bishop, Tar-Sands January 1997 UTAH GEOLOGICAL SURVEY a division of UTAH DEPARTMENT OF NATURAL RESOURCES CONTENTS PREFACE SUMMARY INTRODUCTION Background Purpose and Scope GEOLOGY Regional Structure Permian through Jurassic Stratigraphy Cretaceous and Tertiary Stratigraphy THE KAIPAROWITS PLATEAU COAL FIELD History of Mining and Exploration Coal Resources Coal Resources on School and Institutional Trust Lands Sulfur Content of Kaiparowits Coal Coal-bed Gas Resources Further Coal Resource Assessments Needed OIL AND GAS POTENTIAL Source Rocks Potential Reservoirs Trapping Mechanisms Exploration and Development Carbon Dioxide Further Oil and Gas Resource Assessments Needed TAR-SAND RESOURCES OF THE CIRCLE CLIFFS AREA NON-FUEL MINERALS AND MINING Manganese Uranium-Vanadium Zirconium-Titanium Gold Copper, Lead and Zinc Industrial and Construction Materials Mining Activity Further Non-Fuel Mineral Resource Assessments Needed ACKNOWLEDGMENTS REFERENCES APPENDIX A: Presidential proclamation APPENDIX B: Summary of the coal resource of Kaiparowits Plateau and its value APPENDIX C: Summary of coal resources on School and Institutional Trust Lands APPENDIX D: Authorized Federal Oil and Gas Leases in the monument ILLUSTRATIONS Figure 1.
    [Show full text]
  • Glen Canyon Unit, CRSP, Arizona and Utah
    Contents Glen Canyon Unit ............................................................................................................................2 Project Location...................................................................................................................3 Historic Setting ....................................................................................................................4 Project Authorization .........................................................................................................8 Pre-Construction ................................................................................................................14 Construction.......................................................................................................................21 Project Benefits and Uses of Project Water.......................................................................31 Conclusion .........................................................................................................................36 Notes ..................................................................................................................................39 Bibliography ......................................................................................................................46 Index ..................................................................................................................................52 Glen Canyon Unit The Glen Canyon Unit, located along the Colorado River in north central
    [Show full text]
  • Late Cretaceous Stratigraphy of Black Mesa, Navajo and Hopi Indian Reservations, Arizona H
    New Mexico Geological Society Downloaded from: http://nmgs.nmt.edu/publications/guidebooks/9 Late Cretaceous stratigraphy of Black Mesa, Navajo and Hopi Indian Reservations, Arizona H. G. Page and C. A. Repenning, 1958, pp. 115-122 in: Black Mesa Basin (Northeastern Arizona), Anderson, R. Y.; Harshbarger, J. W.; [eds.], New Mexico Geological Society 9th Annual Fall Field Conference Guidebook, 205 p. This is one of many related papers that were included in the 1958 NMGS Fall Field Conference Guidebook. Annual NMGS Fall Field Conference Guidebooks Every fall since 1950, the New Mexico Geological Society (NMGS) has held an annual Fall Field Conference that explores some region of New Mexico (or surrounding states). Always well attended, these conferences provide a guidebook to participants. Besides detailed road logs, the guidebooks contain many well written, edited, and peer-reviewed geoscience papers. These books have set the national standard for geologic guidebooks and are an essential geologic reference for anyone working in or around New Mexico. Free Downloads NMGS has decided to make peer-reviewed papers from our Fall Field Conference guidebooks available for free download. Non-members will have access to guidebook papers two years after publication. Members have access to all papers. This is in keeping with our mission of promoting interest, research, and cooperation regarding geology in New Mexico. However, guidebook sales represent a significant proportion of our operating budget. Therefore, only research papers are available for download. Road logs, mini-papers, maps, stratigraphic charts, and other selected content are available only in the printed guidebooks. Copyright Information Publications of the New Mexico Geological Society, printed and electronic, are protected by the copyright laws of the United States.
    [Show full text]
  • Paleobios 33: 1-9, June 9, 2016 Paleobios
    PaleoBios 33: 1-9, June 9, 2016 PaleoBios OFFICIAL PUBLICATION OF THE UNIVERSITY OF CALIFORNIA MUSEUM OF PALEONTOLOGY Patricia A. Holroyd and J. Howard Hutchison (2016). Fauna and setting of the Adelolophus hutchisoni type locality in the Upper Cretaceous (Campanian) Wahweap Formation of Utah Cover photo: Dentary fragment of the bowfin fish cf. Melvius chauliodous in ventral and dorsal view. Citation: Holroyd, P. A. and Hutchison, J. H. 2016. Fauna and setting of the Adelolophus hutchisoni type locality of the Upper Cretaceous (Campa- nian) Wahweap Formation of Utah. PaleoBios, 33. ucmp_paleobios_31196 PaleoBios 33: 1-9, June 9, 2016 Fauna and setting of the Adelolophus hutchisoni type locality in the Upper Cretaceous (Campanian) Wahweap Formation of Utah PATRICIA A. HOLROYD* and J. HOWARD HUTCHISON Museum of Paleontology, 1101 Valley Life Sciences Building, University of California, Berkeley, CA 94720 [email protected] and [email protected] We report new data on the type locality of the hadrosaurid ornithischian Adelolophus hutchisoni Gates et al., 2014 from the Campanian-aged Wahweap Formation of southern Utah, and the remainder of the vertebrate assemblage from the site. The type locality (UCMP V98173) is a previously-reported U.S. Geological Survey locality (USGS D815) and is stratigraphically low in the upper member of the Wahweap Formation. Additional taxa from the same site include acipenseriforms (sturgeon), amiiforms (bowfin), and lepisosteiforms (gar fish), baenid and trionychid turtles, and both theropod and ornithischian dinosaurs. Keywords: Acipenseriformes, Amiiformes, Lepisosteiformes, Testudines, Theropoda, Ornithischia INTRODUCTION from it by a line, as is the typical convention for physically Gates et al. (2014) recently named the new lambeosau- labeling UCMP specimens.
    [Show full text]
  • MINERAL POTENTIAL REPORT for the Lands Now Excluded from Grand Staircase-Escalante National Monument
    United States Department ofthe Interior Bureau of Land Management MINERAL POTENTIAL REPORT for the Lands now Excluded from Grand Staircase-Escalante National Monument Garfield and Kane Counties, Utah Prepared by: Technical Approval: flirf/tl (Signature) Michael Vanden Berg (Print name) (Print name) Energy and Mineral Program Manager - Utah Geological Survey (Title) (Title) April 18, 2018 /f-P/2ft. 't 2o/ 8 (Date) (Date) M~zr;rL {Signature) 11 (Si~ ~.u.. "'- ~b ~ t:, "4 5~ A.J ~txM:t ;e;,E~ 't"'-. (Print name) (Print name) J.-"' ,·s h;c.-+ (V\ £uA.o...~ fk()~""....:r ~~/,~ L{ ( {Title) . Zo'{_ 2o l~0 +(~it71 ~ . I (Date) (Date) This preliminary repon makes information available to the public that may not conform to UGS technical, editorial. or policy standards; this should be considered by an individual or group planning to take action based on the contents ofthis report. Although this product represents the work of professional scientists, the Utah Department of Natural Resources, Utah Geological Survey, makes no warranty, expressed or implied, regarding it!I suitability for a panicular use. The Utah Department ofNatural Resources, Utah Geological Survey, shall not be liable under any circumstances for any direct, indirect, special, incidental, or consequential damages with respect to claims by users ofthis product. TABLE OF CONTENTS SUMMARY AND CONCLUSIONS ........................................................................................................... 4 Oil, Gas, and Coal Bed Methane ...........................................................................................................
    [Show full text]
  • Interactions Between Axial and Transverse
    INTERACTIONS BETWEEN AXIAL AND TRANSVERSE DRAINAGE SYSTEMS IN THE LATE CRETACEOUS C ORDILLERAN FORELAND BASIN: EVIDENCE FROM DETRITAL ZIRCONS IN THE STRAIGHT CLIFFS FORMATION, SOUTHERN UTAH by Tyler Scott Szwarc A thesis submitted to the faculty of The University of Utah in partial fulfillment of the requirements for the degree of Master of Science in Geology Department of Geology and Geophysics The University of Utah May 2014 Copyright © Tyler Scott Szwarc 2014 All Rights Reserved The University of Utah Graduate School STATEMENT OF THESIS APPROVAL The thesis of ____________________ Tyler Scott Szwarc has been approved by the following supervisory committee members: Cari L. Johnson , Chair 10/4/2013 Date Approved ____________Lisa E. Stright2 __________________ ■, Member 10/4/2013__ Date Approved Diego P. Fernandez , Member 10/4/2013 Date Approved and by ___________________ John M. Bartley___________________ , Chair/Dean of the Department/College/School o f ____________ Geology and Geophysics___________ and by David B. Kieda, Dean of The Graduate School. ABSTRACT New detrital zircon geochronologic data from the Straight Cliffs Formation of southern Utah provide insight into the controls on stratigraphic architecture of the Western Interior basin during Turonian-Campanian time. Straight Cliffs Formation deposition was influenced by the development of topography in the Sevier fold-thrust belt, but to date, little emphasis has been placed on the tectonic development of the Mogollon highlands of central Arizona. Detrital zircon ages (N=40, n=3650) derived from linked fluvial and shallow marine depositional systems throughout the Kaiparowits Plateau indicate the majority of fluvial sediment was derived from the Mogollon highlands (67%), with subordinate contributions delivered from the Sevier thrust belt (17%) and Cordilleran volcanic sources (16%).
    [Show full text]
  • Late Cretaceous Stratigraphy and Vertebrate Faunas of the Markagunt, Paunsaugunt, and Kaiparowits Plateaus, Southern Utah
    GEOLOGY OF THE INTERMOUNTAIN WEST an open-access journal of the Utah Geological Association Volume 3 2016 LATE CRETACEOUS STRATIGRAPHY AND VERTEBRATE FAUNAS OF THE MARKAGUNT, PAUNSAUGUNT, AND KAIPAROWITS PLATEAUS, SOUTHERN UTAH Alan L. Titus, Jeffrey G. Eaton, and Joseph Sertich A Field Guide Prepared For SOCIETY OF VERTEBRATE PALEONTOLOGY Annual Meeting, October 26 – 29, 2016 Grand America Hotel Salt Lake City, Utah, USA Post-Meeting Field Trip October 30–November 1, 2016 © 2016 Utah Geological Association. All rights reserved. For permission to copy and distribute, see the following page or visit the UGA website at www.utahgeology.org for information. Email inquiries to [email protected]. GEOLOGY OF THE INTERMOUNTAIN WEST an open-access journal of the Utah Geological Association Volume 3 2016 Editors UGA Board Douglas A. Sprinkel Thomas C. Chidsey, Jr. 2016 President Bill Loughlin [email protected] 435.649.4005 Utah Geological Survey Utah Geological Survey 2016 President-Elect Paul Inkenbrandt [email protected] 801.537.3361 801.391.1977 801.537.3364 2016 Program Chair Andrew Rupke [email protected] 801.537.3366 [email protected] [email protected] 2016 Treasurer Robert Ressetar [email protected] 801.949.3312 2016 Secretary Tom Nicolaysen [email protected] 801.538.5360 Bart J. Kowallis Steven Schamel 2016 Past-President Jason Blake [email protected] 435.658.3423 Brigham Young University GeoX Consulting, Inc. 801.422.2467 801.583-1146 UGA Committees [email protected] [email protected] Education/Scholarship
    [Show full text]
  • Kaiparowits Flora
    Great Basin Naturalist Volume 38 Number 2 Article 1 6-30-1978 Kaiparowits flora Stanley L. Welsh Brigham Young University N. Duane Atwood Bureau of Land Management, Cedar City, Utah Joseph R. Murdock Brigham Young University Follow this and additional works at: https://scholarsarchive.byu.edu/gbn Recommended Citation Welsh, Stanley L.; Atwood, N. Duane; and Murdock, Joseph R. (1978) "Kaiparowits flora," Great Basin Naturalist: Vol. 38 : No. 2 , Article 1. Available at: https://scholarsarchive.byu.edu/gbn/vol38/iss2/1 This Article is brought to you for free and open access by the Western North American Naturalist Publications at BYU ScholarsArchive. It has been accepted for inclusion in Great Basin Naturalist by an authorized editor of BYU ScholarsArchive. For more information, please contact [email protected], [email protected]. The Great Basin Naturalist Published at Provo, Utah, by Brigham Young University ISSN 0017-3614 Volume 38 June 30, 1978 No. 2 KAIPAROWITS FLORA Stanley L. Welsh', N. Duane Atwood,^ and Joseph R. Murdock' Abstract.— The paper presents an annotated list of 851 taxa in 358 genera and 80 families. Threatened and endangered plants are enumerated. Diversity of vegetative types in the Kai- occupied by characteristic kinds of vegeta- parowits Basin is reflected in the large tion, that which is sufficiently specialized as number of species present in that basin.^ to survive and compete on the unusual soils. Elevational differences of 2,680 m from the This is demonstrated on the saline clays of low point at Lee's Ferry to the high point such formations as the Tropic Shale which on the summit of Navajo Mountain accotmts forms the benchland below the Nipple for some of the diversity of plant species.
    [Show full text]