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Shannon Mine (Shannon Mountain Mine), King Gulch, Copper Mountain Mining District (Clifton-Morenci Mining District), Shannon Mts, Greenlee Co., Arizona, USAi
Regional Level Types
Shannon Mine (Shannon Mountain Mine)Mine
King GulchGulch
Copper Mountain Mining District (Clifton-Morenci Mining District)Mining District
Shannon MtsMountain Range
Greenlee Co.County
ArizonaState
USACountry

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Key
Latitude & Longitude (WGS84):
33° 7' 59'' North , 109° 20' 48'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Morenci1,489 (2011)6.3km
Clifton3,685 (2017)10.3km
York557 (2011)29.8km
San Jose506 (2011)41.6km
Solomon426 (2011)44.6km
Other/historical names associated with this locality:
Shannon property; Boulder claim; Antietam Mine; Antietam claim; Leo C claim


A former underground Cu-Au-Ag-Mn-Zn-garnet mine located in the SE¼NW¼ sec. 34, T3S, T29E, G&SRM, in King Gulch, 1 mile NE of Shannon Mountain, 6 miles NNW of Clifton, on private land. This property is comprised of 2 patented claims (Antietam and Leo C.). Discovered 1875 by Charles M. and Baylor Shannon. Produced 1902 until 1918. Past owners included the Detroit Copper Mining Co. of Arizona; and, the New England and Clifton Copper Mines Co. Past operators included P.F. Crowley. Owned by the Phelps Dodge Corp., Morenci Branch.

Mineralization is an irregular ore body hosted in the Modoc Limestone, Morenci Shale and the Longfellow Limestone and associated with Morenci Granite Porphyry and Precambrian granite basement. Adjacent to Morenci Quartz Monzonite intrusion. The ore zone is 1609.3 meters long, 12.19 meters wide, with a depth to top of 0 meters, striking N-S and dipping vertically. Ore control was N-S-trending fissure vein in the granite basement. Ore concentration was surface leaching and oxidation of ores in contact-metamorphic limestone, metasomatic replacement. Surface alteration was extensive to unknown depths. Some of the largest ore bodies were originally calcareous sediments altered through leaching and oxidation with an unknown vertical extent. The ores consist chiefly of chalcopyrite and pyrite in altered granite. The vein continues northward onto the Boulder claim (property formerly of the Arizona Copper Co. Ltd.) and southward onto the old Shannon Copper Co. property.

The porphyry in the area is fragmented by masses of quartzite, limestone, and shale. NE-trending narrow porphyry dikes in the vicinity Veins in the region consist of many very sharply defined fissure planes striking NNE. Local tectonics include block faulting NW of the Copper King Massif with downthrow of about 1000 feet.

Workings are 15.24 meters deep. Developments included a 2-compartment shaft to a depth of 140 feet; and, a tramline from the mine to the Shannon railway. Analytical data: 4% Cu, $8 Au/ton, 5 oz. Ag/ton (date unknown).

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


19 valid minerals.

Detailed Mineral List:

'Asbestos'
Reference: MRDS database Dep. ID #10088880, MRDS ID #M800161.
Azurite
Formula: Cu3(CO3)2(OH)2
Description: Sheaflike & spherical masses to 40 pounds (18 kg) weight in kaolinized shale.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 125, 248, 372; Kunz, G.F. (1885), On remarkable copper minerals from AZ, Annals NY Acad. Sci.: 3: 275-278; Farrington, O.C. (1891), On crystallized azurite from AZ, Amer. Jour. Sci.: 41: 300-307; Schwartz, G.M. (1934), Paragenesis of the oxidized ores of copper, Econ.Geol.: 29: 55-75; Bideaux, R.A. (1973), The collector (on azurite), Min.Rec.: 4: 34-35; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 55; Univ. AZ Bull. 41 (1916-17), Mineralogy of Useful Minerals in AZ: 23.
Brochantite
Formula: Cu4(SO4)(OH)6
Reference: Univ. AZ Bull. 41 (1916-17), Mineralogy of Useful Minerals in AZ: 25.
Calcite
Formula: CaCO3
Reference: MRDS database Dep. ID #10088880, MRDS ID #M800161.
Chalcocite
Formula: Cu2S
Reference: MRDS database Dep. ID #10026951, MRDS ID #M001269.
Chalcopyrite
Formula: CuFeS2
Reference: MRDS database Dep. ID #10026951, MRDS ID #M001269.
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Reference: MRDS database Dep. ID #10088880, MRDS ID #M800161.
Copper
Formula: Cu
Reference: MRDS database Dep. ID #10026951, MRDS ID #M001269.
Cuprite
Formula: Cu2O
Reference: MRDS database Dep. ID #10026951, MRDS ID #M001269.
Diopside
Formula: CaMgSi2O6
Reference: MRDS database Dep. ID #10088880, MRDS ID #M800161.
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: MRDS database Dep. ID #10088880, MRDS ID #M800161.
Hematite
Formula: Fe2O3
Reference: MRDS database Dep. ID #10088880, MRDS ID #M800161.
Hemimorphite
Formula: Zn4Si2O7(OH)2 · H2O
Description: Small, transparent crystals in decomposed garnet rock.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 248; Lindgren, W. (1905), The copper deposits of the Clifton-Morenci district, AZ, USGS PP 43; Lindgren, W. & W.F. Hillebrand (1904), Minerals from the Clifton-Morenci district, AZ, Amer. Jour. Sci.: 18: 448-460; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 101.
Kaolinite
Formula: Al2(Si2O5)(OH)4
Description: In kaolinized shale.
Reference: MRDS database Dep. ID #10088880, MRDS ID #M800161.
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: MRDS database Dep. ID #10088880, MRDS ID #M800161.
Magnetite
Formula: Fe2+Fe3+2O4
Reference: MRDS database Dep. ID #10088880, MRDS ID #M800161.
Malachite
Formula: Cu2(CO3)(OH)2
Reference: MRDS database Dep. ID #10088880, MRDS ID #M800161.
Pyrite
Formula: FeS2
Reference: MRDS database Dep. ID #10026951, MRDS ID #M001269.
Pyrolusite
Formula: Mn4+O2
Reference: MRDS database Dep. ID #10088880, MRDS ID #M800161.
'Pyroxene Group'
Reference: MRDS database Dep. ID #10088880, MRDS ID #M800161.
Silver
Formula: Ag
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 372.
Tremolite
Formula: ☐{Ca2}{Mg5}(Si8O22)(OH)2
Reference: MRDS database Dep. ID #10088880, MRDS ID #M800161.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Copper1.AA.05Cu
Silver1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
Chalcocite2.BA.05Cu2S
Chalcopyrite2.CB.10aCuFeS2
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Cuprite4.AA.10Cu2O
Hematite4.CB.05Fe2O3
Magnetite4.BB.05Fe2+Fe3+2O4
Pyrolusite4.DB.05Mn4+O2
Group 5 - Nitrates and Carbonates
Azurite5.BA.05Cu3(CO3)2(OH)2
Calcite5.AB.05CaCO3
Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Brochantite7.BB.25Cu4(SO4)(OH)6
Group 9 - Silicates
Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Diopside9.DA.15CaMgSi2O6
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Hemimorphite9.BD.10Zn4Si2O7(OH)2 · H2O
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Tremolite9.DE.10☐{Ca2}{Mg5}(Si8O22)(OH)2
Unclassified Minerals, Rocks, etc.
'Asbestos'-
'Limonite'-(Fe,O,OH,H2O)
'Pyroxene Group'-

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
Silver1.1.1.2Ag
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Chalcocite2.4.7.1Cu2S
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X
Cuprite4.1.1.1Cu2O
A2X3
Hematite4.3.1.2Fe2O3
AX2
Pyrolusite4.4.1.4Mn4+O2
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Azurite16a.2.1.1Cu3(CO3)2(OH)2
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)m(XO4)pZq, where m:p>2:1
Brochantite30.1.3.1Cu4(SO4)(OH)6
Group 56 - SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
Si2O7 Groups and O, OH, F, and H2O with cations in [4] coordination
Hemimorphite56.1.2.1Zn4Si2O7(OH)2 · H2O
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Diopside65.1.3a.1CaMgSi2O6
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Tremolite66.1.3a.1☐{Ca2}{Mg5}(Si8O22)(OH)2
Group 74 - PHYLLOSILICATES Modulated Layers
Modulated Layers with joined strips
Chrysocolla74.3.2.1Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Unclassified Minerals, Mixtures, etc.
'Asbestos'-
Kaolinite-Al2(Si2O5)(OH)4
'Limonite'-(Fe,O,OH,H2O)
'Pyroxene Group'-

List of minerals for each chemical element

HHydrogen
H AzuriteCu3(CO3)2(OH)2
H KaoliniteAl2(Si2O5)(OH)4
H HemimorphiteZn4Si2O7(OH)2 · H2O
H BrochantiteCu4(SO4)(OH)6
H ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
H MalachiteCu2(CO3)(OH)2
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H Limonite(Fe,O,OH,H2O)
H Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
CCarbon
C AzuriteCu3(CO3)2(OH)2
C MalachiteCu2(CO3)(OH)2
C CalciteCaCO3
OOxygen
O AzuriteCu3(CO3)2(OH)2
O KaoliniteAl2(Si2O5)(OH)4
O HemimorphiteZn4Si2O7(OH)2 · H2O
O BrochantiteCu4(SO4)(OH)6
O CupriteCu2O
O ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
O MalachiteCu2(CO3)(OH)2
O CalciteCaCO3
O DiopsideCaMgSi2O6
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O HematiteFe2O3
O Limonite(Fe,O,OH,H2O)
O MagnetiteFe2+Fe23+O4
O PyrolusiteMn4+O2
O Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
MgMagnesium
Mg DiopsideCaMgSi2O6
Mg Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
AlAluminium
Al KaoliniteAl2(Si2O5)(OH)4
Al ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
SiSilicon
Si KaoliniteAl2(Si2O5)(OH)4
Si HemimorphiteZn4Si2O7(OH)2 · H2O
Si ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Si DiopsideCaMgSi2O6
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
SSulfur
S BrochantiteCu4(SO4)(OH)6
S ChalcociteCu2S
S ChalcopyriteCuFeS2
S PyriteFeS2
CaCalcium
Ca CalciteCaCO3
Ca DiopsideCaMgSi2O6
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
MnManganese
Mn PyrolusiteMn4+O2
FeIron
Fe ChalcopyriteCuFeS2
Fe PyriteFeS2
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe HematiteFe2O3
Fe Limonite(Fe,O,OH,H2O)
Fe MagnetiteFe2+Fe23+O4
CuCopper
Cu AzuriteCu3(CO3)2(OH)2
Cu BrochantiteCu4(SO4)(OH)6
Cu ChalcociteCu2S
Cu ChalcopyriteCuFeS2
Cu CopperCu
Cu CupriteCu2O
Cu ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Cu MalachiteCu2(CO3)(OH)2
ZnZinc
Zn HemimorphiteZn4Si2O7(OH)2 · H2O
AgSilver
Ag SilverAg

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Kunz, G.F. (1885), On remarkable copper minerals from Arizona, Annals of the New York Academy of Science: 3: 275-278.
Farrington, O.C. (1891), On crystallized azurite from Arizona, American Journal of Science: 41: 300-307.
Lindgren, W. & W.F. Hillebrand (1904), Minerals from the Clifton-Morenci district, Arizona, American Journal of Science: 18: 448-460.
Lindgren, W. (1905), The copper deposits of the Clifton-Morenci district, Arizona, USGS PP 43: 354.
Stevens, P. (1911) The Copper Handbook: vol. 10: 1285, New England and Clifton Copper Co.
Weed, W.H. (1914) The Copper Handbook: vol. 11: 318, Detroit Copper Mining Co. of Arizona.
University of Arizona Bull. 41 (1916-17), Mineralogy of Useful Minerals in Arizona: 23, 25.
Schwartz, G.M. (1934), Paragenesis of the oxidized ores of copper, Economic Geology: 29: 55-75.
Galbraith, F.W. & D.J. Brennan (1959), Minerals of Arizona: 55, 101;
Bideaux, R.A. (1973), The collector (on azurite), Mineralogical Record: 4: 34-35.
Bennett (1975) Geology and Origin of the Breccias in the Morenci-Metcalf District, Greenlee County, Arizona, MS thesis, University of Arizona, 153 pp.
Phillips, K.A. (1987), Arizona Industrial Minerals, 2nd. Edition, Arizona Department of Mines & Minerals Mineral Report 4, 185 pp.
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 125, 248, 372.
U.S. Bureau of Mines - Arizona Bureau of Geology and Mining Technology file data.
U.S. Bureau of Land Management Mining District Sheet #840.
MRDS database Dep. ID #10026951, MRDS ID #M001269; and Dep. ID #1008880, MRDS ID #M800161.

USGS MRDS Record:10026951
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