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Purple Vein prospect, Bootstrap District, Elko Co., Nevada, USA

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Key
Lock Map
Latitude & Longitude (WGS84): 41° 0' 39'' North , 116° 21' 36'' West
Latitude & Longitude (decimal): 41.01111,-116.36000
GeoHash:G#: 9rm321v5p
Locality type:Prospect
Köppen climate type:BSk : Cold semi-arid (steppe) climate


Part of Meikle
Structure: N30-35W folding in Late Triassic to Late Jurassic, was important to concentrating mineralization Roberts Mountain Thrust. Separate NNE, NW, and NE fault trends.

Alteration: silicification, argillization, pyritization, dolomitization

Commodity: Ore Materials: gold Gangue Materials: pyrite, silica, dolomite,cinnabar, metacinnabar, barite, sphalerite, stibnite, calcite

Deposit type: Sediment-hosted Au

Ore(s): Lower plate of Roberts Mountain Thrust and hanging wall of monzonite porphyry; NNW and NW trending faults were possible feeders

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


10 valid minerals.

Detailed Mineral List:

'commodity:Antimony'
Formula: Sb
Reference:  
Baryte
Formula: BaSO4
Reference: U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Calcite
Formula: CaCO3
Reference: U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Cinnabar
Formula: HgS
Reference: NBMG Bull 106 Geology and Mineral Resources of Elko County, Nevada; U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Dolomite
Formula: CaMg(CO3)2
Reference: U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Gold
Formula: Au
Reference: NBMG Bull 106 Geology and Mineral Resources of Elko County, Nevada; U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
'commodity:Gold'
Formula: Au
Reference:  
'commodity:Mercury'
Formula: Hg
Reference:  
Metacinnabar
Formula: HgS
Reference: U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Pyrite
Formula: FeS2
Reference: U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Quartz
Formula: SiO2
Reference: NBMG Bull 106 Geology and Mineral Resources of Elko County, Nevada
Quartz var: Chalcedony
Formula: SiO2
Reference: NBMG Bull 106 Geology and Mineral Resources of Elko County, Nevada
'Silica'
Reference: U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
'commodity:Silver'
Formula: Ag
Reference:  
Sphalerite
Formula: ZnS
Reference: U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Stibnite
Formula: Sb2S3
Reference: U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
'commodity:Zinc'
Formula: Zn
Reference:  

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
Cinnabar2.CD.15aHgS
Metacinnabar2.CB.05aHgS
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Stibnite2.DB.05Sb2S3
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
Group 5 - Nitrates and Carbonates
'Calcite'5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Baryte'7.AD.35BaSO4
Unclassified Minerals, Rocks, etc.
Silica-

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Cinnabar2.8.14.1HgS
Metacinnabar2.8.2.3HgS
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 2:3
Stibnite2.11.2.1Sb2S3
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Rocks, etc.
var: Chalcedony-SiO2
'Silica'-

List of minerals for each chemical element

CCarbon
C CalciteCaCO3
C DolomiteCaMg(CO3)2
OOxygen
O BaryteBaSO4
O CalciteCaCO3
O Quartz (var: Chalcedony)SiO2
O DolomiteCaMg(CO3)2
O QuartzSiO2
MgMagnesium
Mg DolomiteCaMg(CO3)2
SiSilicon
Si Quartz (var: Chalcedony)SiO2
Si QuartzSiO2
SSulfur
S BaryteBaSO4
S CinnabarHgS
S MetacinnabarHgS
S PyriteFeS2
S SphaleriteZnS
S StibniteSb2S3
CaCalcium
Ca CalciteCaCO3
Ca DolomiteCaMg(CO3)2
FeIron
Fe PyriteFeS2
ZnZinc
Zn SphaleriteZnS
SbAntimony
Sb StibniteSb2S3
BaBarium
Ba BaryteBaSO4
AuGold
Au GoldAu
HgMercury
Hg CinnabarHgS
Hg MetacinnabarHgS

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

Quaternary - Miocene
0 - 23.03 Ma



ID: 3185380
Cenozoic sedimentary rocks

Age: Cenozoic (0 - 23.03 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]

Pliocene - Miocene
2.588 - 23.03 Ma



ID: 2803975
Younger tuffaceous sedimentary rocks

Age: Neogene (2.588 - 23.03 Ma)

Stratigraphic Name: Horse Camp Formation; Esmeralda Formation; Belted Range Tuff; Timber Mountain Tuff; Paintbrush Tuff; Crater Flat Tuff; Muddy Creek Formation; Siebert Tuff

Description: Tuffaceous and other young Tertiary sedimentary rocks. Most of these rocks are sedimentary with a strong volcanic component - a few are tuffaceous with a strong sedimentary component. This unit includes rocks originally mapped as the High Rock sequence in Washoe County; the Horse Camp Formation in northern Nye County; the Esmeralda Formation in Mineral and Esmeralda Counties; older lake beds in Lincoln County; the Belted Range Tuff; the Indian Trail Formation (now abandoned); Timber Mountain, Paintbrush, and Crater Flat Tuffs; Wahmonie and Salyer Formations in southern Nye County; the Siebert Tuff in Esmeralda County; the Muddy Creek Formation in Clark County; and the Thousand Creek and Virgin Valley “beds” in Humboldt County; and other unnamed units. It corresponds to units Ts3 and Tts from the 1978 State map. It is present in all counties.

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:{sedimentary,volcanic}

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]

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


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