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Upper Neogene Stratigraphy and Tectonics of Death Valley — a Review
Earth-Science Reviews 73 (2005) 245–270 www.elsevier.com/locate/earscirev Upper Neogene stratigraphy and tectonics of Death Valley — a review J.R. Knott a,*, A.M. Sarna-Wojcicki b, M.N. Machette c, R.E. Klinger d aDepartment of Geological Sciences, California State University Fullerton, Fullerton, CA 92834, United States bU. S. Geological Survey, MS 975, 345 Middlefield Road, Menlo Park, CA 94025, United States cU. S. Geological Survey, MS 966, Box 25046, Denver, CO 80225-0046, United States dTechnical Service Center, U. S. Bureau of Reclamation, P. O. Box 25007, D-8530, Denver, CO 80225-0007, United States Abstract New tephrochronologic, soil-stratigraphic and radiometric-dating studies over the last 10 years have generated a robust numerical stratigraphy for Upper Neogene sedimentary deposits throughout Death Valley. Critical to this improved stratigraphy are correlated or radiometrically-dated tephra beds and tuffs that range in age from N3.58 Ma to b1.1 ka. These tephra beds and tuffs establish relations among the Upper Pliocene to Middle Pleistocene sedimentary deposits at Furnace Creek basin, Nova basin, Ubehebe–Lake Rogers basin, Copper Canyon, Artists Drive, Kit Fox Hills, and Confidence Hills. New geologic formations have been described in the Confidence Hills and at Mormon Point. This new geochronology also establishes maximum and minimum ages for Quaternary alluvial fans and Lake Manly deposits. Facies associated with the tephra beds show that ~3.3 Ma the Furnace Creek basin was a northwest–southeast-trending lake flanked by alluvial fans. This paleolake extended from the Furnace Creek to Ubehebe. Based on the new stratigraphy, the Death Valley fault system can be divided into four main fault zones: the dextral, Quaternary-age Northern Death Valley fault zone; the dextral, pre-Quaternary Furnace Creek fault zone; the oblique–normal Black Mountains fault zone; and the dextral Southern Death Valley fault zone. -
2021 Magazine
July 2021 Welcome to the July 2021 edition of BADWATER® Magazine! We are AdventureCORPS®, producers of ultra-endurance sports events and adventure travel across the globe, and the force behind the BADWATER® brand. This magazine celebrates the entire world-wide Badwater® / AdventureCORPS® series of races, all the Badwater Services, Gear, Drinks, and Clothing, and what we like to call the Badwater Family and the Badwater Way of Life. Adventure is our way of life, so – after the sad and disastrous 2020 when we were not able to host any of our life-changing events – we are pleased to be fully back in action in 2021! Well, make that almost fully: Due to pandemic travel bans still in place, international participation in our USA-based events is not where we want it and that’s really unfortunate. Badwater 135 is the de facto Olympics of Ultrarunning and the 135-Mile World Championship, so we always want as many nationalities represented as possible. (The inside front cover of this magazine celebrates all sixty-one nationalities which have been represented on the Badwater 135 start line over the years.) Our new six-day stage race across Armenia – Artsakh Ultra – will have to wait yet another year to debut in 2022, two years later than planned. But it will be incredible, the ultimate stage race with six days of world-class trail running through several millennia of incredible culture and history, and across the most dramatic and awe-inspiring landscapes. This year, we are super excited to have brought two virtual races to life, first for the 31 days of January, and then for 16 days in April. -
Syn-Eruptive, Soft-Sediment Deformation of Deposits
Solid Earth, 6, 553–572, 2015 www.solid-earth.net/6/553/2015/ doi:10.5194/se-6-553-2015 © Author(s) 2015. CC Attribution 3.0 License. Syn-eruptive, soft-sediment deformation of deposits from dilute pyroclastic density current: triggers from granular shear, dynamic pore pressure, ballistic impacts and shock waves G. A. Douillet1, B. Taisne2, È. Tsang-Hin-Sun3, S. K. Müller4, U. Kueppers1, and D. B. Dingwell1 1Earth and Environmental Sciences, Ludwig-Maximilians-Universität, Munich, Germany 2Earth Observatory of Singapore, Nanyang Technological University, Singapore 3Université of Brest and CNRS, Laboratoire Domaines Océaniques, Plouzaré, France 4Meteorological Institute, Ludwig-Maximilians-Universität, Munich, Germany Correspondence to: G. A. Douillet ([email protected]) Received: 17 November 2014 – Published in Solid Earth Discuss.: 16 December 2014 Revised: 16 April 2015 – Accepted: 20 April 2015 – Published: 21 May 2015 Abstract. Soft-sediment deformation structures can provide to be the signature of shear instabilities occurring at the valuable information about the conditions of parent flows, boundary of two granular media. They may represent the sediment state and the surrounding environment. Here, the frozen record of granular, pseudo Kelvin–Helmholtz examples of soft-sediment deformation in deposits of dilute instabilities. Their recognition can be a diagnostic for pyroclastic density currents are documented and possible flows with a granular basal boundary layer. Vertical syn-eruptive triggers suggested. Outcrops from six different inter-penetration and those folds-and-faults features related volcanoes have been compiled in order to provide a to slumps are driven by their excess weight and occur | downloaded: 11.10.2021 broad perspective on the variety of structures: Soufrière after deposition but penecontemporaneous to the eruption. -
Volume 66 Issue 1 Winter 2021
Preservation By David Blacker, Executive Director From the Director DVNHA One of the biggest highlights of visiting Death Valley National Park or Ash Meadows National Wildlife Refuge is seeing and maybe getting a photo of a desert bighorn sheep. You see the desert bighorn in our logo, a strong and majestic animal with iconic large curling horns, but your chance of seeing one of these incredible creatures is shrinking. Surprisingly the biggest reason is not climate change, but the spread of an invasive species that dominates and destroys their water sources and bullies them out of their historic range. In the economic downturn of the early 2000s, people stopped adopting burros and the Bureau of Land Management (BLM) pens filled up. A growing unchecked burro population began to grow and spread. I began to hear reports of sightings in Panamint Valley and the Nevada Triangle back in 2005. Now there are herds occupying Butte Valley, Skidoo, Wildrose, and southern areas of the park. Everywhere burros appear, the impact is predictable. First they seize control of the local water source, trampling or eating the native vegetation. Being very territorial, they use their size and aggressive nature to chase off any competition. Once burros move into a water source, bighorn sheep will not use it. Our partners at NPS are working diligently to reduce and remove invasive burros from the park. They have partnered with Peaceful Valley Donkey Rescue to roundup and adopt out burros from Death Valley. Burro numbers increase by 20-30% a year, so more than 750 burros need to be rounded up annually to stay ahead of reproduction. -
Death Valley National Park
COMPLIMENTARY $3.95 2019/2020 YOUR COMPLETE GUIDE TO THE PARKS DEATH VALLEY NATIONAL PARK ACTIVITIES • SIGHTSEEING • DINING • LODGING TRAILS • HISTORY • MAPS • MORE OFFICIAL PARTNERS T:5.375” S:4.75” PLAN YOUR VISIT WELCOME S:7.375” In T:8.375” 1994, Death Valley National SO TASTY EVERYONE WILL WANT A BITE. Monument was expanded by 1.3 million FUN FACTS acres and redesignated a national park by the California Desert Protection Act. Established: Death Valley became a The largest national park below Alaska, national monument in 1933 and is famed this designation helped focus protection for being the hottest, lowest and driest on one the most iconic landscapes in the location in the country. The parched world. In 2018 nearly 1.7 million people landscape rises into snow-capped mountains and is home to the Timbisha visited the park, a new visitation record. Shoshone people. Death Valley is renowned for its colorful Land Area: The park’s 3.4 million acres and complex geology. Its extremes of stretch across two states, California and elevation support a great diversity of life Nevada. and provide a natural geologic museum. Highest Elevation: The top of This region is the ancestral homeland Telescope Peak is 11,049 feet high. The of the Timbisha Shoshone Tribe. The lowest is -282 feet at Badwater Basin. Timbisha established a life in concert Plants and Animals: Death Valley with nature. is home to 51 mammal species, 307 Ninety-three percent of the park is bird species, 36 reptile species, two designated wilderness, providing unique amphibian species and five fish species. -
Death Valley Springs Geochemical Investigation Yucca Mountain Nuclear Repository, Inyo County Oversight-1998
The HYDRODYNAMICS Group studies in mass and energy transport in the earth Death Valley Springs Geochemical Investigation Yucca Mountain Nuclear Repository, Inyo County Oversight-1998 Submitted to: Inyo County Planning Department: Yucca Mountain Repository Oversight Program March, 1999 Michael J. King, R.G., C.HG. John D. Bredehoeft, Ph.D., NAE The HYDRODYNAMICS Group 16711 76th Avenue West, Edmonds, WA 98026 Phone (425) 787-6728, Fax (425) 742-8493 Page 1 The Hydrodynamics Group DEATH VALLEY SPRINGS GEOCHMICAL INVESTIGATION YUCCA MOUNTAIN NUCLEAR WASTE REPOSITORY, INYO COUNTY OVERSIGHT-1998 EXECUTIVE SUMMARY Yucca Mountain, Nevada is under study as the site of the only proposed high-level nuclear waste repository in the United States. The repository concept uses the philosophy of multiple barriers, both engineered and natural, each of which impedes the movement of radionuclides into the accessible environment. The proposed repository would be in the unsaturated zone in Tertiary tuffaceous rocks. The principal transporting mechanism for radionuclides is moving ground water. Underlying the repository is an extensive Lower Carbonate Aquifer known to be highly permeable. Inyo County, as an affected unit of local government under the Nuclear Waste Policy Act, as amended, is concerned with the connections between the Lower Carbonate Aquifer underlying Yucca Mountain and the carbonate sources of waters in Inyo County, especially the Death Valley region. This report is a summary of the investigations conducted by Inyo County’s consultants, the Hydrodynamics Group, during calendar year 1998. This report presents the results of The Hydrodynamics Group’s 1998 collection of water samples from 23 springs and 2 creeks in Death Valley. -
Death Valley
DEATH VALLEY UNITED STATES DEPARTMENT OF THE INTERIOR NATIONAL PARK SERVICE UNITED STATES DEPARTMENT OF THE INTERIOR HAROLD L. ICKES, Secretary NATIONAL PARK SERVICE ARNO B. CAMMERER, Director DEATH VALLEY NATIONAL MONUMENT CALIFORNIA OPEN ALL YEAR UNITED STATES GOVERNMENT PRINTING OFFICE WASHINGTON : 1934 CONTENTS PAGE HISTORICAL INTEREST i COLORFUL SCENERY 4 GEOLOGICAL STORY 8 FOSSILS INDICATE MARINE LIFE 8 How THE VALLEY WAS FORMED 8 ANIMAL AND PLANT LIFE 14 DEATH VALLEY SCOTTY'S CASTLE 16 ACCOMMODATIONS 18 PUBLIC CAMP GROUNDS 20 How TO REACH DEATH VALLEY 20 RULES AND REGULATIONS 27 DEATH VALLEY NATIONAL MONUMENT EATH VALLEY, celebrated in history for its tragic episode in the D California gold-rush drama of '49 and famed throughout the scien tific world as a region of weird natural wonders, became a national monument on February 11, 1933, by Presidential proclamation. The 2,500 square miles included in the monument embrace Death Val ley itself and parts of the rough-hewn mountains that rise abruptly on all sides to guard its colorful desolation. The Amargosa River provides the only natural entrance. To the west towers the Panamint Range and to the east the Amargosas, with the Last Chance Range pinching the north and the Avawatz Mountains blocking the south. Death Valley National Monument lies in the southeastern corner of Inyo County and borders the California-Nevada boundary line. It forms the northern point of the great Mojave Desert region. Approximately 400 square miles of the floor of the valley lie below sea level, and Bad Water, 276 feet below mean tide, is the lowest point in the United States. -
Death Valley Lower Carbonate Aquifer Monitoring Program- Wells Down Gradient of the Proposed Yucca Mountian Nuclear Waste Repository
iU4 MOL.20080509.0010 DEATH VALLEY LOWER CARBONATE AQUIFER MONITORING PROGRAM- WELLS DOWN GRADIENT OF THE PROPOSED YUCCA MOUNTIAN NUCLEAR WASTE REPOSITORY U.S. DEPARTMENT OF ENERGY COOPERATIVE AGREEMENT DE-FC28-06RW12368 YEAR ONE PROJECT REPORT PREPARED BY INYO COUNTY YUCCA MOUNTAIN REPOSITORY ASSESSMENT OFFICE Inyo County completed Year One of U.S. Department of Energy Cooperative Agreement No. DE-FC28-06RW12368. This report presents the results of research conducted within this cooperative agreement in the context of Inyo County's Yucca Mountain oversight program goals and objectives. The Hydrodynamics Group, LLC prepared this report for Inyo County Yucca Mountain repository Assessment Office. The overall goal of Inyo County's Yucca Mountain research program is the evaluation of far-field issues related to potential transport, by ground water, of radionuclide into Inyo County, including Death Valley, and the evaluation of a connection between the Lower Carbonate Aquifer (LCA) and the biosphere. Data collected within the cooperative agreement is included in interpretive illustrations and discussions of the results of our analysis. The central element's of this Cooperative Agreement program was the drilling of exploratory wells, analysis of geochemical data, geophysical surveys, and geological mapping of the Southern Funeral Mountain Range. The culmination of this research was two numerical ground water models of the Southern Funeral Mountain Range and Yucca Mountain region demonstrating the potential of a hydraulic connection between the LCA and the major springs in the Furnace Creek area of Death Valley. 1.0 Introduction The focus of the investigations by the Hydrodynamics Group for Inyo County is to assemble the best possible data on the Paleozoic Carbonate Aquifer, and then to use that data to assess the likelihood of contaminant transport from the planned Yucca Mountain high-level nuclear waste repository to the biosphere in Inyo County. -
Beryllium-10 Terrestrial Cosmogenic Nuclide Surface Exposure Dating of Quaternary Landforms in Death Valley
Geomorphology 125 (2011) 541–557 Contents lists available at ScienceDirect Geomorphology journal homepage: www.elsevier.com/locate/geomorph Beryllium-10 terrestrial cosmogenic nuclide surface exposure dating of Quaternary landforms in Death Valley Lewis A. Owen a,⁎, Kurt L. Frankel b, Jeffrey R. Knott c, Scott Reynhout a, Robert C. Finkel d,e, James F. Dolan f, Jeffrey Lee g a Department of Geology, University of Cincinnati, Cincinnati, Ohio, USA b School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA 30332, USA c Department of Geological Sciences, California State University, Fullerton, California, USA d Department of Earth and Planetary Science Department, University of California, Berkeley, Berkeley, CA 94720-4767, USA e CEREGE, BP 80 Europole Méditerranéen de l'Arbois, 13545 Aix en Provence Cedex 4, France f Department of Earth Sciences, University of Southern California, Los Angeles, California, USA g Department of Geological Sciences, Central Washington University, Ellensburg, Washington, USA article info abstract Article history: Quaternary alluvial fans, and shorelines, spits and beach bars were dated using 10Be terrestrial cosmogenic Received 10 March 2010 nuclide (TCN) surface exposure methods in Death Valley. The 10Be TCN ages show considerable variance on Received in revised form 3 October 2010 individual surfaces. Samples collected in the active channels date from ~6 ka to ~93 ka, showing that there is Accepted 18 October 2010 significant 10Be TCN inheritance within cobbles and boulders. This -
NV EAS Plan Attachment 2-Operational Areas
Nevada Emergency Alert System Plan Attachment 2. Nevada EAS Operational Areas ATTACHMENT 2 NEVADA EAS OPERATIONAL AREAS The Nevada EAS Operational Area is divided into three sections. Western Nevada/Eastern California . Southern Nevada/Inyo County, California . Eastern Nevada Jurisdictions within the Nevada EAS Operational Areas Western Nevada/Eastern Eastern Nevada Southern Nevada/Inyo County, California California Carson City Elko County Clark County Churchill County Eureka County Esmeralda County Douglas County Humboldt County Lincoln County Lyon County Lander County Nye County (southern) Mineral County White Pine County Inyo County (CA) Nye County (northern) San Bernardino County (CA) Pershing County Mohave County (AZ) Washoe County Storey County Alpine County (CA)* El Dorado County (CA)* Lassen County (CA) Modoc County (CA)* Mono County (CA) Placer County (CA)* Nevada EAS Operational Areas Plumas County (CA)* . Sierra County (CA)* 2 *Areas east of the Sierra Nevada crest. Italicized text refers to non-Nevada jurisdictions. Southern Inyo County, California covers the area from the village of Independence in the north to the south county line and includes the communities of Shoshone, Death Valley National Park and headquarters, Furnace Creek, Cartagom, Barlett, Stovepipe Wells, Panamint Springs, Keeler, Olancha, Little Lake, Lone Pine, and Lake Owens. The area north of Independence is in Attachment the Western Nevada/Eastern California Operational Area. No broadcast stations in the Northern Inyo County area are able to receive signals from Las Vegas or Reno broadcast stations. Local EAS activations can be made through the use of CAP EAS by originating officials or by going through the California Governor's Office of Emergency Services. -
DOCKETED 1516 Ninth Street 09-RENEW EO-1 Sacramento, CA 95814-5512 TN 75171 [email protected] FEB 23 2015
PO Box 63 Shoshone, CA 92384 760.852.4339 www.amargosaconservancy.org February 23, 2015 California Energy Commission California Energy Commission Dockets Office, MS-4 Docket No. 09-RENEW EO-01 DOCKETED 1516 Ninth Street 09-RENEW EO-1 Sacramento, CA 95814-5512 TN 75171 [email protected] FEB 23 2015 Re: The DRECP and the Amargosa Watershed On behalf of the members and Board of Directors of the Amargosa Conservancy, please accept our comments herein on the Desert Renewable Energy Conservation Plan. Please refer to our second comment letter, dated February 23, 2015, for our comments on National Conservation Lands and Special Recreation Management Areas. Please also refer to the letter from Kevin Emmerich and Laura Cunningham, dated January 30, 2015, which the Amargosa Conservancy is signatory to. This letter details the need for a new program alternative in the DRECP which properly evaluates rooftop solar. To sum the key points of this letter: No groundwater pumping should be permissible in the Amargosa Watershed, including Charleston View, Silurian Valley, and Stewart Valley. Such activities would cause direct mortality of endangered species such as the Amargosa vole. USFWS take permits should be required for any groundwater pumping, and such permits should not be issued given the precarious conservation status of the vole. No mitigation can adequately compensate the ecosystem for the damage done by groundwater withdrawal. Retirement of water rights is not sufficient, and monitoring and triggering schemes are completely inadequate to protect the resources of the Amargosa Wild and Scenic River. Due to numerous biological, cultural, and social resource conflicts, Charleston View is not an appropriate place for utility-scale solar, should not be designated as a Development Focus Area (DFA). -
California State University, Northridge
CALIFORNIA STATE UNIVERSITY, NORTHRIDGE THE CHANGING FACE OF TOURISM IN DEATH VALLEY A thesis submitted in partial fulfillment of the requirements For the degree of Master of Arts in Geography By Tina White December 2013 The thesis of Tina White is approved: ____________________________________ _____________________ Ronald Davidson, Ph.D. Date ____________________________________ _____________________ Edward Jackiewicz, Ph.D. Date ____________________________________ _____________________ Julie E. Laity, Ph.D., Chair Date California State University, Northridge ii ACKNOWLEDGEMENTS I acknowledge, and most heartily thank, the CSUN faculty members who have continuously supported and encouraged me through the (too) many years I have spent working towards this degree. First and foremost, I am grateful for and to my thesis advisor, Professor Julie Laity, who has taught me about physical geography and academic success in the classroom, in the field, and during our talks in her office. And, of course, there is she from whom I have learned so much geomorphology and with whom I have had so much fun in the field: Professor Amalie Orme. To my thesis committee members Ron Davidson and Ed Jackiewicz, thank you so much for your time and assistance; I appreciate your expertise and input. Further, I have been fortunate to have taken classes with and/or had the opportunity to learn informally from the entire CSUN Geography Department faculty teaching from 1997 through the present at one time or another, as well as from some great folks in the CSUN Geology Department. I have learned something from each and every one of you, and will be eternally grateful. I also want to thank multiple employees at Death Valley National Park, in particular Terry Baldino and Alex Cabana and their numerous staff members, who took the time to speak with me about this topic; their input was invaluable and their insights intriguing.