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Villa Grove Turquoise Mine (Hall Turquoise Mine; Villa Grove Mine; Turquoise Lode and Turquoise Blue Lode claims), Bonanza District (Kerber Creek District), Saguache Co., Colorado, USA

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Latitude & Longitude (WGS84): 38° 17' 54'' North , 106° 3' 11'' West
Latitude & Longitude (decimal): 38.29861,-106.05306
GeoHash:G#: 9wu9fsn98
Locality type:Mine
Köppen climate type:Dfc : Subarctic climate


Commodities (Major) - Gemstone; (Trace) - Molybdenum, Zinc, Lead, Copper
Development Status: Past Producer
Host Rock Unit: Rawley Andesite
Structure: Sawatch Range, San Juan Volcanic Field, Rio Grande Rift, Bonanza Caldera
Host Rock: Gabbro
Tectonic Structure: Central Cordillera (Southern Rocky Mtns.)

Located near Villa Grove.

Regions containing this locality

Rocky Mountains, North America

Mountain Range - 2,058 mineral species & varietal names listed

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.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Alunite
Formula: KAl3(SO4)2(OH)6
Reference: Minerals of Colorado (1997) Eckels, E. B.
'Clays'
Reference: Minerals of Colorado (1997) Eckel, E. B.
'commodity:Copper'
Formula: Cu
Reference:  
'Gabbro'
Reference: From USGS MRDS database
'commodity:Gemstones'
Reference: From USGS MRDS database
'Halloysite'
Formula: Al2(Si2O5)(OH)4
Reference: Minerals of Colorado (1997) Eckel, E. B.
Hematite
Formula: Fe2O3
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Hydrobiotite
Formula: K(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O
Reference: Minerals of Colorado (1997) E.B. Eckel
Kaolinite
Formula: Al2(Si2O5)(OH)4
Reference: Minerals of Colorado (1997) E.B. Eckel
'commodity:Lead'
Formula: Pb
Reference:  
Magnetite
Formula: Fe2+Fe3+2O4
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
'commodity:Molybdenum'
Formula: Mo
Reference:  
Montmorillonite
Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Reference: Minerals of Colorado (1997) E.B. Eckel
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Minerals of Colorado (1997) E.B. Eckels
Muscovite var: Illite
Formula: K0.65Al2.0[Al0.65Si3.35O10](OH)2
Reference: Minerals of Colorado (1997) E.B. Eckel
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Minerals of Colorado (1997) E.B. Eckel
Pyrite
Formula: FeS2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Turquoise
Formula: Cu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
Reference: Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 950; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Economic Geology; May 1941; v. 36; no. 3; p. 335-344
Wavellite
Formula: Al3(PO4)2(OH,F)3 · 5H2O
Reference: Minerals of Colorado (1997) Eckel, E. B.
'commodity:Zinc'
Formula: Zn
Reference:  

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
'Hematite'4.CB.05Fe2O3
Magnetite4.BB.05Fe2+Fe3+2O4
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Alunite'7.BC.10KAl3(SO4)2(OH)6
Group 8 - Phosphates, Arsenates and Vanadates
Turquoise8.DD.15Cu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
Wavellite8.DC.50Al3(PO4)2(OH,F)3 · 5H2O
Group 9 - Silicates
'Halloysite'9.ED.10Al2(Si2O5)(OH)4
'Hydrobiotite'9.EC.60K(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Montmorillonite9.EC.40(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Illite9.EC.15K0.65Al2.0[Al0.65Si3.35O10](OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified Minerals, Rocks, etc.
'Clays'-
'Gabbro'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Alunite30.2.4.1KAl3(SO4)2(OH)6
Group 42 - HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)7(XO4)4Zq·xH2O
Turquoise42.9.3.1Cu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
A3(XO4)2Zq·xH2O
Wavellite42.10.2.1Al3(PO4)2(OH,F)3 · 5H2O
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
'Halloysite'71.1.1.4Al2(Si2O5)(OH)4
Sheets of 6-membered rings with 2:1 layers
Hydrobiotite71.2.2d.1K(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
var: Illite71.2.2d.2K0.65Al2.0[Al0.65Si3.35O10](OH)2
Sheets of 6-membered rings with 2:1 clays
Montmorillonite71.3.1a.2(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Unclassified Minerals, Rocks, etc.
'Clays'-
'Gabbro'-
Kaolinite-Al2(Si2O5)(OH)4
Muscovite
var: Sericite
-KAl2(AlSi3O10)(OH)2

List of minerals for each chemical element

HHydrogen
H AluniteKAl3(SO4)2(OH)6
H HalloysiteAl2(Si2O5)(OH)4
H HydrobiotiteK(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O
H Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
H KaoliniteAl2(Si2O5)(OH)4
H Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
H MuscoviteKAl2(AlSi3O10)(OH)2
H Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
H TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
H WavelliteAl3(PO4)2(OH,F)3 · 5H2O
OOxygen
O AluniteKAl3(SO4)2(OH)6
O HalloysiteAl2(Si2O5)(OH)4
O HematiteFe2O3
O HydrobiotiteK(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O
O Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
O KaoliniteAl2(Si2O5)(OH)4
O MagnetiteFe2+Fe23+O4
O Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
O MuscoviteKAl2(AlSi3O10)(OH)2
O Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
O TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
O WavelliteAl3(PO4)2(OH,F)3 · 5H2O
FFluorine
F WavelliteAl3(PO4)2(OH,F)3 · 5H2O
NaSodium
Na Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
MgMagnesium
Mg HydrobiotiteK(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O
Mg Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
AlAluminium
Al AluniteKAl3(SO4)2(OH)6
Al HalloysiteAl2(Si2O5)(OH)4
Al HydrobiotiteK(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O
Al Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
Al KaoliniteAl2(Si2O5)(OH)4
Al Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Al TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
Al WavelliteAl3(PO4)2(OH,F)3 · 5H2O
SiSilicon
Si HalloysiteAl2(Si2O5)(OH)4
Si HydrobiotiteK(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O
Si Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
Si KaoliniteAl2(Si2O5)(OH)4
Si Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
PPhosphorus
P TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
P WavelliteAl3(PO4)2(OH,F)3 · 5H2O
SSulfur
S AluniteKAl3(SO4)2(OH)6
S PyriteFeS2
KPotassium
K AluniteKAl3(SO4)2(OH)6
K HydrobiotiteK(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O
K Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
K MuscoviteKAl2(AlSi3O10)(OH)2
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
CaCalcium
Ca Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
FeIron
Fe HematiteFe2O3
Fe HydrobiotiteK(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O
Fe MagnetiteFe2+Fe23+O4
Fe PyriteFeS2
Fe TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
CuCopper
Cu TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O

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

Miocene - Eocene
5.333 - 56 Ma



ID: 3190650
Cenozoic volcanic rocks

Age: Cenozoic (5.333 - 56 Ma)

Stratigraphic Name: San Juan Mountains

Comments: Southern Rocky Mountains

Lithology: Intermediate-felsic volcanic 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]

Rupelian - Priabonian
28.1 - 37.8 Ma



ID: 2980758
Pre-ash-flow andesitic lavas, breccias, tuffs, and conglomerates

Age: Paleogene (28.1 - 37.8 Ma)

Description: Includes several named units

Comments: Original map source: Green, G.N., 1992, The Digital Geologic Map of Colorado in ARC/INFO Format: U.S. Geological Survey Open-File Report 92-0507, 9 p., scale 1:500,000.

Lithology: Major:{andesite}, Minor:{volcanic,conglomerate,igneous}

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

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
PATTON, H.B., 1916, GEOLOGY AND ORE DEPOSITS OF THE BONANZA DISTRICT, SAGUACHE COUNTY, COLORADO: USGS PROF. PAPER 169, 166 P.
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 950.
MAYHEW, J.D., 1969, GEOLOGY OF THE EASTERN PART OF THE BONANZA VOLCANIC FIELD, SAGUACHE COUNTY, COLORADO.


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