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Northern Spy Mine, Tintic District, Utah Co., Utah, USAi
Regional Level Types
Northern Spy MineMine
Tintic DistrictMining District
Utah Co.County
UtahState
USACountry

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Latitude & Longitude (WGS84):
39° 55' 46'' North , 112° 5' 56'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Eureka666 (2017)3.3km
Mount Nebo302 (2006)12.4km
Elberta256 (2011)13.2km
Goshen944 (2017)17.1km
Genola1,419 (2017)23.0km


Location and Description

The Northern Spy mine is located on the south eastern slopes of Mammoth peak. The mine is operated by a 900 foot deep shaft, with the collar at an altitude of 7,390 feet. There are many prospect drifts on levels 7, 8, and 9, but no large ore bodies were discovered. On the 700 foot level, the Sioux Ajax tunnel connects the Northern Spy mine to the neighboring Carisa mine. Both the Northern Spy and Carisa mines were owned by the Carisa (Mining?) company, with their dividends amounting to $60,000. Both properties yielded Pb, Ag, Au, and Cu. Although the Northern Spy and Carisa mines are close together, they are in different counties, with the border running in between them, resulting in the Northern Spy being in Utah county, and the Carisa being in Juab county.

Geology

A few hundred feet north of the shaft, the limestone of the Humbug formation ceases, and above the shaft to the north, the light blue Pine Canyon limestone is exposed. On the 500 foot level, the Gardner dolomite, and it's black carbonaceous bed are exposed just 25 feet above the level, to the northwest. All of the area south of the shaft is composed of the Bluebell dolomite.

Workings and Ore

On the 100 foot level, a flat stope was worked for 250 feet, and the ore contained galena and cerussite, which was fairly rich in silver. South of the shaft, the ore bodies follow fissures. The ores in the fissures contained much copper, which was originally enargite, but is partly oxidized, and there is a lot of gangue baryte. The fissures that carry the ore are inconspicuous, with the ore spreading from them by replacement of dolomite. Oxidized copper ore cropped out 400 feet south of the shaft along several fissures. The upper stopes did extend past level 4, and the fissures trend north 20° east, and are nearly vertical. On level 6, 540 feet below the ground and near the shaft, a body of copper ore was encountered that continued down to level 7. The ore yielded 12% copper, much iron, a little silver, and very little gold. The ore was largely oxidized, and contained copper arsenates in honey combed quartz, and in some places azurite and malachite that partially replaces the dolomite. The ore did not contain lead, although 1 ton of galena was found in the ore shoot. Dolomite or limestone that is silicified surrounds there shoot. Exploratory crosscut son the east side line, near the iron blossom ore shoot, discovered vein matter and Silicified limestone with low gold content.

Regions containing this locality

North America PlateTectonic Plate
Rocky Mountains, North AmericaMountain Range

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


15 valid minerals.

Detailed Mineral List:

Agardite-(Y)
Formula: YCu6(AsO4)3(OH)6 · 3H2O
Reference: Collected by and analyzed by Chris Carlson
Atelestite
Formula: Bi2(AsO4)O(OH)
Reference: Handbook of Mineralogy
Azurite
Formula: Cu3(CO3)2(OH)2
Reference: Waldemar Lindgren and G. F. Loughlin with a historical review by V. Conrad Heikes (1919) Geology and Ore Deposits of the Tintic Mining District Utah: USGS Professional paper 107: 231-232
Baryte
Formula: BaSO4
Reference: Waldemar Lindgren and G. F. Loughlin with a historical review by V. Conrad Heikes (1919) Geology and Ore Deposits of the Tintic Mining District Utah: USGS Professional paper 107: 231-232
Beyerite
Formula: Ca(BiO)2(CO3)2
Reference: Antonio Borrelli collection
Cerussite
Formula: PbCO3
Reference: Waldemar Lindgren and G. F. Loughlin with a historical review by V. Conrad Heikes (1919) Geology and Ore Deposits of the Tintic Mining District Utah: USGS Professional paper 107: 231-232
Chlorargyrite
Formula: AgCl
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Conichalcite
Formula: CaCu(AsO4)(OH)
Reference: In the collection of Brent Thorne.
Copper
Formula: Cu
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Enargite
Formula: Cu3AsS4
Reference: Waldemar Lindgren and G. F. Loughlin with a historical review by V. Conrad Heikes (1919) Geology and Ore Deposits of the Tintic Mining District Utah: USGS Professional paper 107: 231-232
Galena
Formula: PbS
Reference: Waldemar Lindgren and G. F. Loughlin with a historical review by V. Conrad Heikes (1919) Geology and Ore Deposits of the Tintic Mining District Utah: USGS Professional paper 107: 231-232
Kettnerite
Formula: CaBiCO3OF
Reference: No reference listed
Malachite
Formula: Cu2(CO3)(OH)2
Reference: Collected by Lane Johnson.
Mixite
Formula: BiCu6(AsO4)3(OH)6 · 3H2O
Reference: R&M 68:6 p381-393
Quartz
Formula: SiO2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Copper1.AA.05Cu
Group 2 - Sulphides and Sulfosalts
Enargite2.KA.05Cu3AsS4
Galena2.CD.10PbS
Group 3 - Halides
Chlorargyrite3.AA.15AgCl
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Azurite5.BA.05Cu3(CO3)2(OH)2
Beyerite5.BE.35Ca(BiO)2(CO3)2
Cerussite5.AB.15PbCO3
Kettnerite5.BE.30CaBiCO3OF
Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Group 8 - Phosphates, Arsenates and Vanadates
Agardite-(Y)8.DL.15YCu6(AsO4)3(OH)6 · 3H2O
Atelestite8.BO.15Bi2(AsO4)O(OH)
Conichalcite8.BH.35CaCu(AsO4)(OH)
Mixite8.DL.15BiCu6(AsO4)3(OH)6 · 3H2O

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Copper1.1.1.3Cu
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Group 3 - SULFOSALTS
ø = 4
Enargite3.2.1.1Cu3AsS4
Group 9 - NORMAL HALIDES
AX
Chlorargyrite9.1.4.1AgCl
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Cerussite14.1.3.4PbCO3
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Azurite16a.2.1.1Cu3(CO3)2(OH)2
Beyerite16a.2.3.1Ca(BiO)2(CO3)2
Kettnerite16a.3.7.1CaBiCO3OF
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Conichalcite41.5.1.2CaCu(AsO4)(OH)
Miscellaneous
Atelestite41.11.5.1Bi2(AsO4)O(OH)
Group 42 - HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)7(XO4)3Zq·xH2O
Agardite-(Y)42.5.1.2YCu6(AsO4)3(OH)6 · 3H2O
Mixite42.5.1.1BiCu6(AsO4)3(OH)6 · 3H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2

List of minerals for each chemical element

HHydrogen
H AtelestiteBi2(AsO4)O(OH)
H MixiteBiCu6(AsO4)3(OH)6 · 3H2O
H ConichalciteCaCu(AsO4)(OH)
H MalachiteCu2(CO3)(OH)2
H AzuriteCu3(CO3)2(OH)2
H Agardite-(Y)YCu6(AsO4)3(OH)6 · 3H2O
CCarbon
C KettneriteCaBiCO3OF
C BeyeriteCa(BiO)2(CO3)2
C MalachiteCu2(CO3)(OH)2
C CerussitePbCO3
C AzuriteCu3(CO3)2(OH)2
OOxygen
O KettneriteCaBiCO3OF
O AtelestiteBi2(AsO4)O(OH)
O MixiteBiCu6(AsO4)3(OH)6 · 3H2O
O BeyeriteCa(BiO)2(CO3)2
O QuartzSiO2
O ConichalciteCaCu(AsO4)(OH)
O MalachiteCu2(CO3)(OH)2
O CerussitePbCO3
O AzuriteCu3(CO3)2(OH)2
O BaryteBaSO4
O Agardite-(Y)YCu6(AsO4)3(OH)6 · 3H2O
FFluorine
F KettneriteCaBiCO3OF
SiSilicon
Si QuartzSiO2
SSulfur
S GalenaPbS
S EnargiteCu3AsS4
S BaryteBaSO4
ClChlorine
Cl ChlorargyriteAgCl
CaCalcium
Ca KettneriteCaBiCO3OF
Ca BeyeriteCa(BiO)2(CO3)2
Ca ConichalciteCaCu(AsO4)(OH)
CuCopper
Cu MixiteBiCu6(AsO4)3(OH)6 · 3H2O
Cu CopperCu
Cu ConichalciteCaCu(AsO4)(OH)
Cu MalachiteCu2(CO3)(OH)2
Cu EnargiteCu3AsS4
Cu AzuriteCu3(CO3)2(OH)2
Cu Agardite-(Y)YCu6(AsO4)3(OH)6 · 3H2O
AsArsenic
As AtelestiteBi2(AsO4)O(OH)
As MixiteBiCu6(AsO4)3(OH)6 · 3H2O
As ConichalciteCaCu(AsO4)(OH)
As EnargiteCu3AsS4
As Agardite-(Y)YCu6(AsO4)3(OH)6 · 3H2O
YYttrium
Y Agardite-(Y)YCu6(AsO4)3(OH)6 · 3H2O
AgSilver
Ag ChlorargyriteAgCl
BaBarium
Ba BaryteBaSO4
PbLead
Pb GalenaPbS
Pb CerussitePbCO3
BiBismuth
Bi KettneriteCaBiCO3OF
Bi AtelestiteBi2(AsO4)O(OH)
Bi MixiteBiCu6(AsO4)3(OH)6 · 3H2O
Bi BeyeriteCa(BiO)2(CO3)2

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

Holocene
0 - 0.0117 Ma



ID: 3343262
Artificial fill

Age: Anthropocene (0 - 0.0117 Ma)

Description: Man-made debris, slag heaps, mine dumps, mill tailings, and earthworks constructed from local materials. Some, such as embankments for dams, highway and railroad roadbeds, and engineering structures are engineered fills; others are random accumulations of various materials. Although not shown as the artificial fill unit, much of the Intermountain Power Project site is covered with graded and compacted local and imported earth materials.

Reference: Pampeyan, E.H. Geologic map of the Lynndyl 30′ x 60′ quadrangle, west-central Utah (digitized 2005). Utah Geological Survey Miscellaneous Investigations Series Map I-1830. [193]

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]

Llandovery - Late Ordovician
433.4 - 458.4 Ma



ID: 2800350
Bluebell Dolomite

Age: Paleozoic (433.4 - 458.4 Ma)

Stratigraphic Name: Bluebell Dolomite

Comments: Original map source: Hintze, L.F., Willis, G.C., Laes, D.Y.M., Sprinkel, D.A., and Brown, K.D., 2000, Digital Geologic Map of Utah: Utah Geological Survey, Map 179DM, scale 1:500,000.

Lithology: Major:{dolostone}

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

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Waldemar Lindgren and G. F. Loughlin with a historical review by V. Conrad Heikes (1919) Geology and Ore Deposits of the Tintic Mining District Utah: USGS Professional paper 107: 231-232


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