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Juniper Mine (Nevada Quicksilver Mine), Antelope Springs District, Pershing Co., Nevada, USAi
Regional Level Types
Juniper Mine (Nevada Quicksilver Mine)Mine
Antelope Springs DistrictMining District
Pershing Co.County
NevadaState
USACountry

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Key
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Latitude & Longitude (WGS84):
40° 9' 55'' North , 118° 10' 44'' West
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Lovelock1,878 (2017)25.1km
Humboldt119 (2011)49.0km


Sec. 32, T27N, R34E, MDM.

The Juniper (aka Nevada Quicksilver) mine was one of the larger producers in the constellation of cinnabar occurrences scattered around the periphery of the large silver – gold producing area at Nenzel hill in Rochester. Cinnabar, along with scattered concentrations of stibnite, was localized by fracture breccias in limestone. The orebodies are closely overlain by a black shale.

The mine was worked through a 45 degree inclined shaft. Bailey and Phoenix (1944) reported that there were 2 stopes and a mile of drifts and crosscuts on several levels down to 330 feet.

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


3 valid minerals.

Detailed Mineral List:

Calcite
Formula: CaCO3
Reference: BAILEY AND PHOENIX, 1944, QUICKSILVER DEPOSITS IN NEVADA: NBMG BULL. 41
Cinnabar
Formula: HgS
Reference: NBMG Bull 73 Geology and Mineral Resources of Lincoln County, Nevada; BAILEY AND PHOENIX, 1944, QUICKSILVER DEPOSITS IN NEVADA: NBMG BULL. 41
Stibnite
Formula: Sb2S3
Reference: BAILEY AND PHOENIX, 1944, QUICKSILVER DEPOSITS IN NEVADA: NBMG BULL. 41

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Cinnabar2.CD.15aHgS
Stibnite2.DB.05Sb2S3
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Cinnabar2.8.14.1HgS
AmBnXp, with (m+n):p = 2:3
Stibnite2.11.2.1Sb2S3
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3

List of minerals for each chemical element

CCarbon
C CalciteCaCO3
OOxygen
O CalciteCaCO3
SSulfur
S CinnabarHgS
S StibniteSb2S3
CaCalcium
Ca CalciteCaCO3
SbAntimony
Sb StibniteSb2S3
HgMercury
Hg CinnabarHgS

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Early Jurassic - Late Triassic
174.1 - 237 Ma



ID: 2852805
Humboldt Assemblage - Shale, siltstone, sandstone, and minor carbonate

Age: Mesozoic (174.1 - 237 Ma)

Stratigraphic Name: Grass Valley Formation; Osobb Formation; Dun Glen Formation

Description: Rocks of the Grass Valley, Osobb, and Dun Glen Formations, and their unnamed overlying rocks elsewhere known as the Winnemucca Formation, exposed in Pershing, Churchill, Lander, and Humboldt Counties, characterize this unit. These rocks are depositional on top of the Star Peak Group carbonate and detrital rocks (TRc). Crossbedding, lode casts, and other depositional features indicate uniform northwest-trending current directions. The lithology and depositional characteristics of these rocks suggest shallow marine conditions on and around a westerly prograding delta (Silberling and Wallace, 1969). Fossils from these rocks range in age from Late Triassic (Norian) to Early Jurassic (Toarcian) (Silberling and Wallace, 1969).

Comments: Original map source: Crafford, A.E.J., 2007, Geologic Map of Nevada: U.S. Geological Survey Data Series 249, 1 CD-ROM, 46 p., 1 plate; Scale 1:250,000.

Lithology: Major:{shale,siltstone,sandstone}, Minor:{carbonate}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Triassic
201.3 - 251.902 Ma



ID: 3184762
Mesozoic sedimentary rocks

Age: Triassic (201.3 - 251.902 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
BAILEY AND PHOENIX, 1944, QUICKSILVER DEPOSITS IN NEVADA: NBMG BULL. 41


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