Mineral deposits of the Reno 1 degree by 2 degrees Quadrangle, Nevada, with a comprehensive bibliography

Sidder, G.B.

doi:10.3133/ofr86407

Cited by 3 publications

(12 citation statements)

References 10 publications

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“…), it is more likely an I-type metaluminous granite based on its mineralogy, which consists of microcline, oligoclase, quartz, biotite, hornblende, magnetite, and traces of zircon, allanite, and fluorite (Lawrence and others, 1977), than a peraluminous granite similar to the New York Canyon stock at the north end of the Stillwater Range (Johnson and others, 1986;Ludington and Johnson, 1986). Sidder (1986) interpreted the tungsten deposits in Fondaway Canyon to be skarn deposits. However, the gold occurrences were not known at the time of the report.…”

Section: Additional Information For Mining Districtsmentioning

confidence: 99%

“…The Broken Hills district has had Au, Ag, Sb, Mo, Cu, Pb, Zn, and fluorspar production (Sidder, 1986). Mineralization occurs as veins and stock works along fault zones in Tertiary silicic to intermediate equicrystalline tuffs.…”

Section: Broken Hillsmentioning

confidence: 99%

“…Chalk Mountain was mined predominantly for lead with byproduct silver, zinc, and gold (Sidder, 1986). The deposits are skarns with host rocks of Triassic limestone and dolomite (perhaps correlative with the Milton Canyon member of the Luning Formation (Norm Silbering, personal communication, 1986)) that were intruded by a Cretaceous (?)…”

Section: Chalk Mountainmentioning

confidence: 99%

“…The Westgate mining district has had minor production of gold, silver, and lead (Sidder, 1986). Although reports from the literature suggested that ore may occur as a skarn-type occurrence, field inspections indicate that a Carlin-type, sediment-hosted disseminated gold model may be more appropriate.…”

Section: Westgatementioning

confidence: 99%

“…The purpose of this report is to keep the public informed of these activities and whom to contact for additional information. It also provides updated information to Sidder (1986) on deposit types and mining districts in the Reno quadrangle and additional pertinent references.…”

mentioning

confidence: 99%

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A report on work in progress for the Reno 1 degree by 2 degrees CUSMAP Project, Nevada, with additional bibliography

Sidder¹

1987

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Section: Additional Information For Mining Districtsmentioning

confidence: 99%

Section: Broken Hillsmentioning

confidence: 99%

Section: Chalk Mountainmentioning

confidence: 99%

Section: Westgatementioning

confidence: 99%

mentioning

confidence: 99%

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A report on work in progress for the Reno 1 degree by 2 degrees CUSMAP Project, Nevada, with additional bibliography

Sidder¹

1987

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Geology and mineral resources of the Reno 1° by 2° quadrangle, Nevada and California

John¹,

Stewart²,

Kilburn³

et al. 1993

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Introduction 2 Acknowledgments 2 Background studies 2 Geologic mapping 2 Gravity data 4 Aeromagnetic data 4 Isotopic-dating studies 4 Paleomagnetic data 4 Geochemical data 5 Mines and prospects data 6 Remote-sensing data 7 Area description 7 Geology 8 Pre-Tertiary metavolcanic and metasedimentary rocks 8 Mesozoic plutonic rocks 11 Middle Jurassic arc-related rocks 11 Middle Jurassic mafic igneous rocks 13 Cretaceous granitoids 15 Cenozoic volcanic, intrusive, and sedimentary rocks 15 Interior andesite-rhyolite assemblage (31 to 20 Ma) 15 Western andesite assemblage (20 to 12 Ma) 17 Bimodal basalt-rhyolite assemblage and associated sedimentary rocks (16 Ma to present day) 19 Tertiary granitic plutons 21 Cenozoic structures 21 Relation of Cenozoic volcanism and tectonism to mineral deposits 25 Geochemical studies 26 Regional stream-sediment geochemistry 26 Geochemistry of hydrothermally altered rocks 28 Remote-sensing studies 28 Mineral resources 30 Introduction 30 Definitions 31 Permissive terranes and favorable tracts for undiscovered metalliferous mineral resources 31 Mineral deposits of Mesozoic age 32 Porphyry copper deposits 32 Copper skarn deposits 33 Iron skarn (magnesium magnetite skarn) deposits 34 Iron endoskarn (calcic magnetite skarn) deposits 35 Sediment-hosted (Carlin-type) gold deposits 35 Tungsten skarn deposits 36 Low-fluorine (quartz monzonite-type) porphyry molybdenum deposits 36 Gold-bearing skarn deposits 37 Polymetallic vein deposits 38 Contents Ill IV Contents Mineral deposits of Mesozoic age-Continued Polymetallic replacement and zinc-lead skarn deposits 38 Deposits related to the Humboldt complex 38 Other deposits 39 Simple antimony deposits 39 Pegmatitic uranium deposits 39 Quartz-copper-gold-tourmaline vein deposits 39 Low-sulfide gold-quartz vein deposits 40 Kuroko-type volcanogenic massive sulfide deposits 40 Mineral deposits of Tertiary age 40 Volcanic-hosted epithermal gold-silver deposits 40 Adularia-sericite (Comstock) gold-silver veins 41 Quartz-alunite (acid-sulfate) gold deposits 42 Hot-springs deposits (gold and mercury) 43 Porphyry copper deposits 44 Zinc-lead and copper skarn deposits 45 Polymetallic replacement deposits 46 Gold-bearing skarn deposits 46 Volcanogenic and sandstone uranium deposits 47 Other deposits 47 Polymetallic vein deposits 47 Epithermal manganese deposits 47 Placer gold deposits 48 Nonmetallic mineral resources 48 References cited 48 PLATES [Plates are in pocket] 1. Map showing permissive terranes and favorable tracts for Jurassic porphyry copper, copper skarn, iron skarn, and iron endoskarn deposits. 2. Map showing permissive terranes and favorable tracts for Cretaceous tungsten skarn, low-fluorine porphyry molybdenum, gold-bearing skarn, and sediment-hosted gold deposits and Tertiary polymetallic replacement, copper skarn, zinc-lead skarn, and gold-bearing skarn deposits. 3. Map showing permissive terranes and favorable tracts for Tertiary epithermal goldsilver and porphyry copper deposits. 4. Map showing favorable tracts for volcanogenic and sandstone...

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Characterization of mineral deposits in rocks of the Triassic to Jurassic magmatic arc of western Nevada and eastern California

Doebrich¹,

Garside²,

Shawe³

1996

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Mineral deposit studies in the Triassic to Jurassic magmatic arc of western Nevada and eastern California were conducted to characterize mineral deposits and systems hosted by the arc complex and to evaluate the arc complex for volcanogenic massive sulfide potential. Early to Middle Jurassic sedimentary gypsum deposits represent the oldest economic concentration of minerals in the study area. Middle Jurassic arc-related hydrothermal mineral deposit types within the complex include porphyry Cu, Cu skarn, Fe skarn, polymetallic replacement, polymetallic vein, and aluminosilicate deposits. The majority of these deposits are related to the Yerington supersystem, which comprises at least three individual mineral systems (Yerington, Ann Mason, and Bear systems), each of which produced porphyry Cu and related skarn, replacement, and vein deposits. During the Middle to Late Jurassic there was an apparent evolution from Cu-Fe porphyry-skarn systems to MoW porphyry-skarn systems with assock*ed Cu-Au quartz-tourmaline veins (for example, Risue Canyon and Meadow Lake mining districts). This metallogenic evolution is consistent with a maturing and thickening magmatic arc through time. However, the presence of Jurassic MoW systems may be a consequence of deeper erosion in these areas and may represent the eroded remnants of porphyry copper systems. Cretaceous deposit types related to emplacement of the Sierra Nevada batholith and unrelated to the evolution of the Triassic to Jurassic magmatic arc include W skarns (Gardnerville mining district), W veins, a low-F porphyry Mo deposit (Pine Nut deposit, Gardnerville mining district), and Au-Cu quartz-tourmaline veins (Peavine mining district). Tertiary deposits hosted by Triassic to Jurassic arc rocks include epithermal adularia-sericite and quartz-alunite veins (Ramsey and Peavine mining districts, respectively) and volcanogenic U deposits. Au-bearing polymetallic veins (for example, the Lucky Boy and Pamlico mining districts), barite veins, and volcanic-hosted magnetite deposits are of uncertain age and probably formed during more than one metallogenic event and more than one period of geologic time. The apparent absence of volcanogenic massive sulfide deposits is a consequence of factors relating to the geologic setting of the Triassic to Jurassic arc complex exposed in the study area. These are (1) the dominance of shallow submarine and subaerial volcanism, (2) the scarcity of proximal volcanism in deep restricted basins, and (3) the absence of identified submarine felsic volcanic centers. the resource potential of the aluminosilicate deposit at the Blue Danube Mine in the Buckskin mining district (Binyon, 1946), the Dayton iron deposit in the Red Mountain mining district (Geehan, 1949), and the MacArthur copper oxide deposit in the Yerington mining district (Matson, 1952). The California Division of Mines and Geology (CDMG) and the Nevada Bureau of Mines and Geology (NBMG) have conducted county mineral surveys (

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Mineral deposits of the Reno 1 degree by 2 degrees Quadrangle, Nevada, with a comprehensive bibliography

Cited by 3 publications

References 10 publications

A report on work in progress for the Reno 1 degree by 2 degrees CUSMAP Project, Nevada, with additional bibliography

A report on work in progress for the Reno 1 degree by 2 degrees CUSMAP Project, Nevada, with additional bibliography

Geology and mineral resources of the Reno 1° by 2° quadrangle, Nevada and California

Characterization of mineral deposits in rocks of the Triassic to Jurassic magmatic arc of western Nevada and eastern California

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