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Saturday, July 25, 2020 | History

3 edition of Jurassic magmatism and metal deposits in western Nevada found in the catalog.

Jurassic magmatism and metal deposits in western Nevada

Jurassic magmatism and metal deposits in western Nevada

Yerington Mining District, Humboldt mafic complex, June 15-16, 2002

  • 208 Want to read
  • 37 Currently reading

Published by Geological Society of Nevada in [Reno, Nev.?] .
Written in English

    Subjects:
  • Geology -- Nevada -- Guidebooks,
  • Geology, Stratigraphic -- Jurassic,
  • Ore deposits -- Nevada

  • Edition Notes

    Statementfield trip leaders, John Dilles, David Johnson, Mark Barton ; guidebook editor & field trip organizer, Bob Thomas.
    GenreGuidebooks.
    SeriesSpecial publication / Geological Society of Nevada -- no. 35., Special publication (Geological Society of Nevada) -- no. 35.
    ContributionsDilles, John Hook., Johnson, David., Barton, Mark., Thomas, Bob., Geological Society of Nevada.
    Classifications
    LC ClassificationsQE137 .J87 2002
    The Physical Object
    Pagination1 v. (various pagings) :
    ID Numbers
    Open LibraryOL17624918M
    OCLC/WorldCa50949260

    metal zonation; in contrast, strong lateral zonation is typical within wall-rock alteration. Although lode gold deposits occur along the length of the Sierra Nevada Foothills metamorphic belt, the northern and central portions of the belt were most productive. Towards its northern end, the Sierra Nevada Foothills gold province is about 12 kmFile Size: 2MB. A Review of Sediment-Hosted Gold Deposits and Their Settings in the Eastern Great Basin / Moira T. Smith and Harry E. Cook --The Middle Jurassic Elko Orogeny in Nevada and Utah / Charles H. Thorman --The Newmont Session on Advances in Carlin-type Deposits I --Controls of Fault and Fold Geometry on the Distribution of Gold Mineralization on the.

    In addition, other approximately contemporaneous precious metal deposits have overprinted, or are overprinted by, Carlin-type mineralization. Recent geochronological studies have led to a consensus that the Nevada deposits formed ~42 to 36 m.y. ago, and the deposits can now be evaluated in the context of their tectonic setting. Plate 4, 1 inch =13 miles, correlation diagram, western Clark County, 19 x 11, b/w Plate 5, 1 inch = 8 miles, tectonic map, 18 x 14 inches, 2 color Plate 6, 1 inch =15 miles, index map, metal districts, wells drilled for oil and gas, silica deposits, 20 x 18 inches, b/w.

    Placer Gold Deposits of Nevada Book by Maureen Johnson. Survey Bulletin This publication is a catalog of locations, geology, and production from the placer districts of Nevada. Over Nevada Placer locations covered in this publication. This book is the definitive source for placer deposits in . The Sierra Nevada was the western fl ank of a high plateau, the Nevadaplano of DeCelles (), in what is now the Great Basin. Cassel et al.’s data also suggest topography fl attened abruptly across what is now the Sierra Nevada–Basin and Range boundary (short dashed line in .


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Jurassic magmatism and metal deposits in western Nevada Download PDF EPUB FB2

Get this from a library. Jurassic magmatism and metal deposits in western Nevada: Yerington Mining District, Humboldt mafic complex, June[John Hook Dilles; David Johnson; Mark Douglas Barton; Bob Thomas; Geological Society of Nevada.;].

metal contents and spatial association to Jurassic intrusions, has been used by Nutt and Hofstra () to classify the deposits as intrusion-related gold deposits of Jurassic age.

Despite the abundance of Mesozoic intrusions in Nevada, most are not genetically associated to economically significant gold deposits. The most abundant Mesozoic oreFile Size: 8MB. Jurassic Magmatism and Tectonics of the North American Cordillera. Author(s): David M. Miller, Implications for the timing and controls of Jurassic orogenesis, northern Sierra Nevada, California.

Author(s) Middle Jurassic magmatism: The volcanic record in the eolian Page Sandstone and related Carmel Jurassic magmatism and metal deposits in western Nevada book, Colorado Plateau. Jurassic magmatism and metal deposits in western Nevada: Yerington Mining District, Humboldt mafic complex, JuneResponsibility field trip leaders, John Dilles, David Johnson, Mark Barton ; guidebook editor & field trip organizer, Bob Thomas.

Jurassic igneous-related metallogeny of southwestern North America Mark D. Barton*, James D. Girardi, DouglasC.

Kreiner, Eric Seedorff, and Lukas Zurcher Jurassic magmatism and related hydrothermal systems formed across much of zoic crust in northwestern Nevada and western and northern.

Jurassic tectonism in the northeastern Great Basin produced varied structures, many closely associated with widespread magmatism at ca. – Ma and with local metamorphism.

Many of the plutons are of suitable mineralogy for Al-in-hornblende barometry, providing the potential for depth data. sulfidation deposits in northern Nevada could be divided into two subtypes based on their ore mineralogy, associated mag-matism, and tectonic environment of formation, and they noted that type 1 low-sulfidation deposits contained sulfide Miocene and Early Pliocene Epithermal Gold-Silver Deposits in the Northern Great Basin, Western United States.

The Cr, Co, and Ni deposits formed with mafic magmatism during Late Jurassic and Early Cretaceous time and were accreted to Baja California prior to the Cenozoic (Ab-bott and Gastil, ). Since Oligocene time, the western part of Baja California has not un-dergone tremendous extension; however, translation along faults parallel to the.

Magmatic–hydrothermal origin of Nevada’s Carlin-type gold deposits John L. Muntean1*, Jean S. Cline2, Adam C. Simon2 and Anthony A. Longo2 The Eocene epoch in the Great Basin of western North America was a period of profuse magmatism and hydrothermal activity. Jurassic magmatism and metal deposits in western Nevada: Yerington Mining District, Humboldt mafic complex, June[] [Reno, Nev.?]: Geological Society of Nevada, western Nevada and eastern California, (3) review character- istics and distribution of epithermal gold-silver deposits in the southern arc segment, (4) compare magmatism and metallog.

though fewer major mineral deposits are known than with later magmatism. Princi- Princi- pal types of Jurassic mineralized systems include: (1) porphyry, skarn, replacement. Lutz, J., Hulen, J.B., Geologic setting and alteration mineralogy of the Nickel mine and Bolivia region, Jurassic Humboldt mafic complex and Boyer Ranch Formation, northern Stillwater range, Nevada in Jurassic magmatism and metal deposits in western by: 1.

The Middle Jurassic Elko Orogeny - A Major Tectonic Event in Nevada-Utah By Charles H. Thorman 1 and Fred Peterson 2 Search and Discovery Article # () *Adapted from “extended abstract” for presentation at the AAPG Annual Meeting, Salt Lake City, Utah, MayCharacterization of mineral deposits in rocks of the Triassic to Jurassic magmatic arc of western Nevada and eastern California Open-File Report By: J.L.

Doebrich, L.J. Garside, and D.R. Shawe. Lithotectonic terranes in northwestern Nevada and northern California from Silberling () 39 2. Distribution of Mesozoic terranes in west-central Nevada and eastern California modified from Silberling () 40 3. Nomenclature and ages of Triassic and Jurassic Cited by: 5.

SYNOROGENIC QUARTZ SANDSTONE IN THE JURASSIC MOBILE BELT OF WESTERN NEVADA: BOYER RANCH FORMATION [Speed, Robert C & Jones, Thomas A] on *FREE* shipping on qualifying offers. SYNOROGENIC QUARTZ SANDSTONE IN THE JURASSIC MOBILE BELT OF WESTERN NEVADA: BOYER RANCH FORMATIONAuthor: Thomas A Speed, Robert C & Jones.

Western Klamath Mountains, western Sierra Nevada. Primarily slate and metamorphosed graywacke; minor siltstone, conglomerate, chert, and volcanic rocks. Mainly Late Jurassic in age, but also includes some Early Jurassic or older rocks: Stratigraphic units. Eocene magmatism: The heat source for Carlin-type gold deposits of northern Nevada Christopher Nevada Bureau of Mines and Geology, University of Nevada, Reno, Nevada David High Chaparral Drive, Reno, Nevada Data Repository item contains additional material related to this article.

ABSTRACT The origin of. Placer deposits. Gold occurs in placer deposits of two different ages in the western Sierra Nevada. The older deposits are chiefly quartz gravels in relict early Tertiary river channels. Six major rivers, all except one of which flowed westward, the northernmost having drained to the north, made up the early Tertiary drainage by: 1.

Bibliography for Triassic and Jurassic magmatic arc, western Nevada and eastern California: USGS Open-File Report A [Beardslee, Vern, McCarthy, Howard] on *FREE* shipping on qualifying offers. Bibliography for Triassic and Jurassic magmatic arc, western Nevada and eastern California: USGS Open-File Report AAuthors: Howard McCarthy, Vern Beardslee.Late Cretaceous magmatism in the Mt.

Carmel area involved repeated pyroclastic eruptions in a shallow marine-shelf setting, building several km-scale seamounts over the period from ca 97–80 Ma (Segev and Sass, ).Although no older volcanic rocks outcrop within the region, the Cretaceous vents and tuffs described here contain several populations of older zircons with distinctive Cited by: [email protected]{osti_, title = {Jurassic plutons in the Desolation wilderness, northern Sierra Nevada batholith, California: A new segment in the Jurassic magmatic arc}, author = {Sabine, C.}, abstractNote = {A [+-]7 Ma U-P zircon date establishes a Middle- to Late-Jurassic age for the Pyramid Peak granite and synplutonic dioritoids and hybrid rocks that comprise the Crystal Range suite.