Log InRegister
Quick Links : The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsThe Rock H. Currier Digital LibraryGeologic Time
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral Quiz
Photo SearchPhoto GalleriesSearch by ColorNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Opal from
Brokeoff Mountain, Lassen Volcanic National Park, Shasta County, California, USA


Locality type:Mountain
Classification
Species:Opal
Formula:SiO2 · nH2O
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Alunite
Kaolinite
Data
Mineral Data:Click here to view Opal data
Locality Data:Click here to view Brokeoff Mountain, Lassen Volcanic National Park, Shasta County, California, USA
Data Identifiers
Mindat Occurrence Record ID:650669
Long-form Identifier:1:3:650669:8
GUID (UUID V4):26de4f64-8ae7-4ed3-98e8-5aef6c249224
Nearest other occurrences of Opal
6.6km (4.1 miles) Lassen Peak, Lassen Volcanic National Park, Shasta County, California, USA
30.1km (18.7 miles) Stewart & Moore prospect, Shingletown, Shasta County, California, USA
51.1km (31.7 miles) Unnamed Diatomite occurrence [1], Westwood, Lassen County, California, USA
57.8km (35.9 miles) Unnamed Diatomite occurrence [2], Lookout Mountain, Shasta County, California, USA
60.4km (37.5 miles) Unnamed Diatomite occurrence [3], Brush Mountain, Shasta County, California, USA
60.8km (37.8 miles) Grefco Mine, Haney Mountain, Shasta County, California, USA
61.3km (38.1 miles) Venture II Mine, Haney Mountain, Shasta County, California, USA
61.3km (38.1 miles) Unnamed Diatomite occurrence [1], Burney Spring Mountain, Shasta County, California, USA
62.1km (38.6 miles) Burney pit, Burney Spring Mountain, Shasta County, California, USA
64.2km (39.9 miles) Shasta Diatomite group (Mount Shasta Silica), Burney Spring Mountain, Shasta County, California, USA
References
Reference Search (possible matching items)
Journal (article/letter/editorial)
activity on Brokeoff volcano and in the Maidu volcanic center, Lassen Peak area, northeast California: Evolution...MS 901, 345 Middlefield Road, Menlo Park, California 94025, USA Mineral Deposits Research Unit, University...Denver, Colorado 80225, USA 4 Oregon State University, Corvallis, Oregon 97331, USA 5 Volcano Science Center...MS 910, 345 Middlefield Road, Menlo Park, California 94025, USA 1 14 figures; 5 tables; 1 set of supplemental...activity on Brokeoff volcano and in the Maidu volcanic center, Lassen Peak area, northeast California: Evolution
Report (issue)
GEOLOGIC MAP OF THE RED BLUFF 100,000 QUADRANGLE, CALIFORNIA by M. C. Blake, Jr., D. S. Harwood, E. J. Helley...geologists of the U.S. Geological Survey, Menlo Park. For the purposes of this study Irwin was responsible...rocks are faulted against dominantly South Fork Mountain Schist of the Coast Range province along the southern...reconnaissance fashion south of the Trinity-Shasta County line. The Hayfork terrane in the map area was...Metaandesite, which is an inferred remnant of volcanic arc sequence of Early or Middle Jurassic age and
Report (issue)
active volcanogenic setting (Lassen Volcanic National Park, California), in Rosen, M.R., compiler, Sixth...Tucson, USA (2003), Barcelona, Spain (2007), and Konstanz, Germany (2011). The Congress in Reno, USA marks...was led by Susan Zimmerman, Lawrence Livermore National Laboratory, Ken Adams, Desert Research Institute...information for a trip to the modern lakes in Lassen National Park that was led by Paula Noble and Kerry Howard..........................10 Stop 3.1. Ruby Lake National Wildlife Refuge and Pluvial Lake Franklin (40
Book (edition)
NORTHERN CALIFORNIA David D. Alt Donald W. Hyndman \ roadside geology of northern California David...Donald W. Hyndman MOUNTAIN PRESS PUBLISHING Missoula, Montana CO. © Copyright, Mountain Press Publishing...ISBN Number: 0-87842-055-X 8th Printing, 1986 MOUNTAIN PRESS PUBLISHING Box 2399 Missoula, Montana 59806...indigestible. Limiting ourselves to aspects of northern California geology that we thought most people would find...it got to be what and where it is. Northern California contains about as many geologic complications
Book (volume)
HALKA CHRONIC PAGES OF STONE GEOLOGY OF WESTERN NATIONAL PARKS & MONUMENTS 2: SERRA NEVADA, CASCADES,...Dome, Yosemite National Park. Inset: Jointed volcanic rock, Mount Rainier National Park. Manufactured...and Pacific Coast. 1. Geology—West (U.S.) 2. National parks and reserves—West (U.S.) 3. Natural monuments—West...worked in and near the park areas, as well as from personal observations. Park Service naturalists have...Part 2. National Parks and Monuments Cabrillo National Monument Channel Islands National Park Crater
Report (issue)
MINERALS OF CALIFORNIA BULLETIN No STATE ; . .. : DlViSIi BUILDIN 113 COLLEGE OF AGRICULTURE...AGRICULTURE DAVIS, CALIFORNIA STATE OF CAUFORNIA DEPABTMENT OF NATURAL RESOURCES GEORGE D. NORDENHOLT, Director...MINERALS OF CALIFORNIA By ADOLF PABST Associate Professor of Mineralogy University of California BERKELEY...BERKELEY CALIFORNIA STATE PRINTING OFFICE GEORGE H. MOORE. State Printer SACRAMENTO. 51440 1938 TABLE...Letter of Transmittal 5 Map 6 Outline o['. California Preface 7 Introduction 11 Native Elements
Book
transportation details, and warnings of possible non-volcanic dangers such as unfriendly wildlife. The two appendices...These include websites with up-to-date listings of volcanic activity across the globe, and a list of learned...NASA’s Jet Propulsion Laboratory in Pasadena, California, where she studies volcanism on Earth, as well...Mount Etna in Sicily (as a member of the UK’s Volcanic Eruption Surveillance Team). She has made many...world 3 2 The basic facts about volcanoes 3 Volcanic eruptions 18 28 4 Visiting volcanoes safely
Report (issue)
MINERALS OF CALIFORNIA THE GOLDEN BEAR The Golden Bear Nugget of Yankee is NUGGET said to have...found in the mining the nugget Jim, Placer County, California, in 1871 by a small girl in who town kept...are nuggets. The nugget was acquired by the California Federation of Minerologicol Societies insignia...in in the Cali- San Francisco MINERALS OF CALIFORNIA CENTENNIAL VOLUME by JOSEPH (1866-1966) MURDOCH...Ian Campbell and Eleanor M. Learned BULLETIN California Division of Ferry Building, San 189 Mines
Report (issue)
] \ I ^,_|^_g|g„gy. MMM STATE OF CALIFORNIA GOODWIN I. KNIGHT, Governor DEPARTMENT OF... Chief BULLETIN December 173 MINERALS OF CALIFORNIA By JOSEPH MURDOCH University of Caliiomia,...ROBERT W. WEBB University of California, Santa Barbara College Goleta, California Price $3.00 LIBRARY UNIVERSITY...Goodwin J. Knight Governor of ihe State of California Dear Sir: I have the honor to transmit herewith...JenlCalifornia, Chief of the Division of Mines. Minerals of California is one of the Division's
Book (edition)
of Northern and Central California David Alt and Donald W. Hyndman Mountain Press Publishing Company...Roadside Geology is a registered trademark of Mountain Press Publishing Company. Library of Congress...David D. Roadside geology of Northern and Central California / David Alt and Donald W. Hyndman. p. cm. - (Roadside...0-87842-409-1 (alk. paper) 1. Geology-California-Guidebooks. 2. California-Guidebooks. I. Hyndman, Donald W...99-048554 PRJNTED IN THE UNITED STATES OF AMERICA Mountain Press Publishing Company P. 0. Box 2399 • Missoula
Book
MINERALS OF CALIFORNlA 299" 257889 PEMBERTON' HOFE CALIFORNIA MINERALS 2995 SEP 1933 OINCO Digitized by...org/details/mineralsofcalifo00pemb MINERALS OF CALIFORNIA - MINERALS OF CALIFORNIA H. Earl Pemberton ~ VAN NOSTRAND...H. Earl, 1907Minerals of California. An updating of: Minerals of California: centennial volume, 1866-1966...index. 1. Mineralogy - California. 2. Mines and mineral resources - California. I. MUidoch, J oseph, 1890Minerals...1890Minerals of California. 11. Title. QE375.C32P45 549.9794 81-15963 ISBN 0-442-274882 AACR2 Preface
Report (issue)
Claude Huffman, Jr. . . Petrographic evidence for volcanic origin of part of the Porters Creek Clay, Jackson...X-ray crystallography of wavellite from Jackson County, Wis., and their geologic implications, by Harry...structural development at Elk Hills oil field, Kern County, Calif., by J. C. Maher, R. D. Carter, and R. J...implications of the presence of the Edna Mountain Formation in northern Elko County, Nev., by R. R. Coats and Mackenzie...and types of mineralization, northwestern Elko County, Nev., by R. R. Coats and E. H. McKee . . . .
Book
7 257989 R q549 PEMBERTON, H.E MINERALS OF CALIFORNIA P 2995 IpSl q 49 f 07. 257889 ^ pe B T...org/details/mineralsofcalifoOOpemb MINERALS OF CALIFORNIA MINERALS OF CALIFORNIA H. Earl r i L ] Pemberton ...H. Earl, 1907Minerals of California. An updating of: Minerals of California: 1866-1966 / by Joseph Murdoch...Includes index. 1. Mineralogy -California. 2. Mines and mineral resources- California. I. Murdoch, Joseph, 1890Minerals...1890Minerals of California. II. Title. centennial volume, QE375.C32P45 ISBN 0-442-27488 2 549.9794
Journal (issue)
Weighing 43 ounces avdps. • •.••••••.•••••••••• $40.00 Opal, Queensland. In ironstone. 3 x 1 ½ . Good fi re...advanced notice of the 8th Annual Convention of the California Federation of Mineralogical Societies which is...as we have many good friends in both states. California, that great state with its numerous mineralogical...have at our disposal? We should spend months in California, not three or four days! But alas! Rocks and...Andrews, Jr ; " Famous Mineral Localities (Renfrew County, Ont., Canada)", by Jerome M. Eisenberg; "Ao Alaskan
Book (edition)
~ ele Or WHITMAN COLLEGE LIBRARY GEOLOGY OF NATIONAL PARKS PENROSE MEMORIAL LIBRARY Whitman College...Class of 1957 25th ~ Reunion Fund GEOLOGY OF NATIONAL PARKS Third Edition Ann G. Harris Youngstown...Islands in Channel Islands National Park, California. The bedrock is volcanic. Photograph courtesy Channel...Channel Islands National Park Collection. The drawings by Genevieve Shimer on pages 1, 111, 215, 319, 429...475, and 497 are maps of the national parks from A Guide to the National Parks—Their Landscape and Geology
Report (issue)
Church Creek Formation near Monterey,central California, by E. E. Brahb, David Bukry, and R. L. Pierce... • . • • . . . Carbonate clasts in epiclastic volcanic rocks and their paleotectonic implications, Blue...Mineralogy Clay minerals, Longfellow mine, San Juan County, Colo., by R. G. Luedke and J. W. Hosterman .....Morgenstern C146 151 Geophysics Microearthquakes near Lassen Peak, Calif., by J.D. Unger and J. M. Coakley ...studies of gold deposits in the Teton National Forest, Teton County, Wyo., by L. A. Anderson •.•• • • ·
Journal (issue)
lt LIEBER. Werner: Die Vulkane der Cascade Range. USA . ON LOGA. Sven: Seiten für den Anfänger 133 ....im Staat Washington, USA. Foto: W. Lieber. Die Vulkane der Cascade Range, USA Von Werner LIEBER Im Nordwesten...Nordwesten der USA zieht sich eine Bergkette etwa 150-200 km von der Pazifikküste entfernt und · parallel...Nordkalifornien der „ Lassen Volcanic Natl. Park" und im Süden von Oregon der „Crater Lake Natl. Park" . Erst der...Menschen auf die ruhelose Erde im Nordwesten der USA. Man fragt sich, warum wohl gerade dort eine lange
Book (edition)
Minor time divisions are not included except for national parks where the terms significance. Adapted from...President, Director of National Book Program Alfred C. Grisanti Assistant Director of National Book Program Paul...Contents Preface xi Acknowledgments xiii U.S. National Parks Location Map xiv Part | ScENERY DEVELOPED...The Geologic View of Time 5 1. Grand Canyon National Park Geologic Features 10 Box 1.1 How Rocks Are...CLASSIFIED Geologic History 5. Canyonlands National Park 7 13 19 Box 1.2 AN OUTLINE OF THE GEOLOGIC
Report (volume)
"Names and Definitions of the Geological Units of California," Bulletin 826, by M. Grace Wilmarth. This work...reference for geologists who worked exclusively in California. The first exhaustive con1pilation, M. Grace...Bull. 1060-D, p. 193, 252-253, pl. 7. In Nemaha County, Kans., member is basal unit of Howard limestone...Aarde farm, sec. 4, T. 26 S., R. 11 E., Greenwood County. Aaron Slatet Precambrian or Paleozoic: Central...Central Railroad, sees. 5-7, T. 11 S., R. 5 E., Pope County. Named for Abbott Station. Abbyville Gabbrol Precambrian
Report (volume)
Cuba; Acad. Ciencias URSS. Atlas nacional de Cuba [National atlas of Cuba]: Havana, Cuba, Acad. Ciencias de...Tertiary climatic change in San Joaquin basin, California Evidence from shallow-water mollusks [abs.]:...gastropods and biostratigraphy of the Kern River area, California: U.S. Geol. Survey Prof. Paper 642, 174 p., illus...paleoclimatic trends in the San Joaquin basin, California: U.S. Geol. Survey Prof. Paper 644-D, p. 01-019... George G. The Metaline district, Pend Oreille County, Washington, [Chap.] 6 in Lead-zinc deposits in
Report (issue)
through the NTIS may be obtained by writing to the National Technical Information Service, U.S. Department... MENLO PARK, California-Bldg. 3, Rm. 3128, 345 Middlefield Rd. • RESTON, Virginia-National Center,... France, August 26-31, 1974 Snowmass, Colorado, USA, August 20-25, 1978 Nikko, Japan, June 27-July 2...And now, June 5-11, 1994, at the University of California, Berkeley, /COG returns to a North American venue...Institutions Institute of Human Origins University of California U.S. Geological Survey Lawrence Berkeley Laboratory
Book (edition)
Offices: 350 Main Street, Malden, MA 02148-5018, USA 108 Cowley Road, Oxford OX4 1JF, UK 550 Swanston...CHAPTER 10: Magma Extrusion: Field Relations of Volcanic Rock Bodies . . . . . . . . . 241 CHAPTER 11:...CHAPTER 10 MAGMA EXTRUSION: FIELD RELATIONS OF VOLCANIC ROCK BODIES 10.1 10.1.1 OVERVIEW OF EXTRUSION:...Mechanisms: Production of Pyroclasts Pyroclasts in Volcanic Plumes . . . . . . . . . . . . . . . Pyroclast...Processes and Deposits . . . . . . . . . . . . Volcanic Debris Flows: Lahars . . . . . . . . . . . .
Book
= 10- 12 gram * I "billion .. I = l 0~ in the USA. but 10 12 in the =l ~Ln1 = 10-f> meter UK llseful...nism 260 14.1 14.2 14.3 14.4 14.5 lntraplate Volcanic Activity 260 Types of O IB Magmas 262 O IB Petrography...Andean Volcanics 318 17.2.2 Petrogenesis of Andean Volcanic Rocks 323 17.3 Th e Cascades of the Western United...Geochemistry of the Peruvian Coastal Batholith 17.4.2 Volcanic/Plutonic Equ iva lence 335 17.4.3 Across-Axis...Metamorphism and Skarn Formation at Crestmo re, California, USA 430 Suggested Further Readings 432 Chapter
 
Mineral and/or Locality  
Mindat Discussions Facebook Logo Instagram Logo Discord Logo
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2024, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: April 25, 2024 14:35:30
Go to top of page