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Shylock Mine (St. Lawrence; Stormcliff; Stormcloud; Pittsburg; Pittsburg Extension; Valley; Copper Merchant; Cincinnata; Bucky O'Neil; Blue Horse; Arizona Central), Black Hills Mining District, Black Hills (Black Hill Range), Yavapai County, Arizona, USAi
Regional Level Types
Shylock Mine (St. Lawrence; Stormcliff; Stormcloud; Pittsburg; Pittsburg Extension; Valley; Copper Merchant; Cincinnata; Bucky O'Neil; Blue Horse; Arizona Central)Mine
Black Hills Mining DistrictMining District
Black Hills (Black Hill Range)Group of Hills
Yavapai CountyCounty
ArizonaState
USACountry

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Latitude & Longitude (WGS84):
34° 37' 18'' North , 112° 11' 3'' West
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Dewey-Humboldt3,894 (2011)11.5km
Prescott Valley42,197 (2017)12.1km
Jerome456 (2017)15.5km
Verde Village11,605 (2011)18.6km
Clarkdale4,240 (2017)20.2km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Prescott Gem & Mineral ClubPrescott Valley, Arizona12km
Mingus Gem & Mineral ClubCottonwood, Arizona21km
Verde River RockhoundsCottonwood, Arizona21km
Sedona Gem & Mineral ClubSedona, Arizona47km
Mindat Locality ID:
54118
Long-form identifier:
mindat:1:2:54118:4
GUID (UUID V4):
86e36a8b-c256-4e13-ad81-6e5be52771b4


A former underground Au-Ag-Cu-Pb-Zn-Hg mine located 4 miles due south of the Yaeger Mine in the eastern foothills of the Black Hills at 5,800 feet of altitude on 13 claims (listed in the locality name string). Produced 1911-1950. NOTE: Also designated / known as: Patented claims MS 3013, Bucky O'Neil No. 2.

Mineralization is a vein deposit with a lenticular shaped ore body hosted in the Grapevine Gulch Formation. Country rock is principally comprised of Yavapai slates, fissile in places. An embayment of the main Bradshaw Granite area reaches up from the south nearly to the mine. Greenstone schists are in the vicinity. Ore control was fauklting and shearing. Ore concentration was oxidation at near surface. N alteration noted.

The vein strikes ENE and dips 60ΒΊS. The gangue of the vein is chiefly massive white quartz, but includes some ankerite, and tetrahedrite, galena, and sphalerite irregularly distributed through it. The ore is partly oxidized, and cinnabar has been recognized in the oxide zone.

Area structures include foliation and transposed bedding in metamorphic rocks that trends N-S to N15W. Veins cut across foliation nearly at right angles, vein strikes ENE.

Workings include an inclined shaft 1,500 feet deep (1,053 feet on the dip of 60ΒΊ), plus 2,000 feet of drifts.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


5 valid minerals.

Detailed Mineral List:

β“˜ Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
β“˜ Calcite
Formula: CaCO3
β“˜ Cinnabar
Formula: HgS
Description: Secondary; derived from decomposition of mercurian tetrahedrite; coatings and crack fillings.
β“˜ Galena
Formula: PbS
β“˜ Sphalerite
Formula: ZnS
β“˜ 'Tennantite Subgroup'
Formula: Cu6(Cu4C2+2)As4S12S
β“˜ 'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S
β“˜ 'Tetrahedrite Subgroup var. Mercury-bearing Tetrahedrite'
Formula: Cu6[Cu4(Zn,Fe,Hg)2]Sb4S13

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
β“˜Sphalerite2.CB.05aZnS
β“˜Galena2.CD.10PbS
β“˜Cinnabar2.CD.15aHgS
β“˜'Tennantite Subgroup'2.GB.05Cu6(Cu4C2+2)As4S12S
β“˜'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
β“˜'var. Mercury-bearing Tetrahedrite'2.GB.05Cu6[Cu4(Zn,Fe,Hg)2]Sb4S13
Group 5 - Nitrates and Carbonates
β“˜Calcite5.AB.05CaCO3
β“˜Ankerite5.AB.10Ca(Fe2+,Mg)(CO3)2

List of minerals for each chemical element

CCarbon
Cβ“˜ AnkeriteCa(Fe2+,Mg)(CO3)2
Cβ“˜ CalciteCaCO3
OOxygen
Oβ“˜ AnkeriteCa(Fe2+,Mg)(CO3)2
Oβ“˜ CalciteCaCO3
MgMagnesium
Mgβ“˜ AnkeriteCa(Fe2+,Mg)(CO3)2
SSulfur
Sβ“˜ CinnabarHgS
Sβ“˜ GalenaPbS
Sβ“˜ SphaleriteZnS
Sβ“˜ Tennantite SubgroupCu6(Cu4C22+)As4S12S
Sβ“˜ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
Sβ“˜ Tetrahedrite Subgroup var. Mercury-bearing TetrahedriteCu6[Cu4(Zn,Fe,Hg)2]Sb4S13
CaCalcium
Caβ“˜ AnkeriteCa(Fe2+,Mg)(CO3)2
Caβ“˜ CalciteCaCO3
FeIron
Feβ“˜ AnkeriteCa(Fe2+,Mg)(CO3)2
Feβ“˜ Tetrahedrite Subgroup var. Mercury-bearing TetrahedriteCu6[Cu4(Zn,Fe,Hg)2]Sb4S13
CuCopper
Cuβ“˜ Tennantite SubgroupCu6(Cu4C22+)As4S12S
Cuβ“˜ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
Cuβ“˜ Tetrahedrite Subgroup var. Mercury-bearing TetrahedriteCu6[Cu4(Zn,Fe,Hg)2]Sb4S13
ZnZinc
Znβ“˜ SphaleriteZnS
Znβ“˜ Tetrahedrite Subgroup var. Mercury-bearing TetrahedriteCu6[Cu4(Zn,Fe,Hg)2]Sb4S13
AsArsenic
Asβ“˜ Tennantite SubgroupCu6(Cu4C22+)As4S12S
SbAntimony
Sbβ“˜ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
Sbβ“˜ Tetrahedrite Subgroup var. Mercury-bearing TetrahedriteCu6[Cu4(Zn,Fe,Hg)2]Sb4S13
HgMercury
Hgβ“˜ CinnabarHgS
Hgβ“˜ Tetrahedrite Subgroup var. Mercury-bearing TetrahedriteCu6[Cu4(Zn,Fe,Hg)2]Sb4S13
PbLead
Pbβ“˜ GalenaPbS

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