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Brown Derby No. 5 Mine, Brown Derby Mine, Quartz Creek Pegmatite District, Gunnison Co., Colorado, USAi
Regional Level Types
Brown Derby No. 5 MineMine
Brown Derby MineMine
Quartz Creek Pegmatite DistrictMining District
Gunnison Co.County
ColoradoState
USACountry

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Key
Latitude & Longitude (WGS84):
38° 33' 4'' North , 106° 37' 46'' West
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Gunnison6,076 (2018)25.7km
Maysville135 (2011)38.2km
Crested Butte1,579 (2017)47.1km
Mount Crested Butte801 (2012)48.7km


A pegmatite mine located in the SE¼SW¼ sec. 34, T.50N., R.3E. (New Mexico principal meridian).

Mineralization is is crudely lenticular zoned pegmatite in metadiorite.

Workings include a large open pit and a small tunnel.

Commodities (Major) - Tantalum, Niobium (Columbium)
Development Status: Occurrence

Regions containing this locality

North America PlateTectonic Plate
Rocky Mountains, North AmericaMountain Range

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


6 valid minerals.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Reference: USGS Proffesional Paper 265; USGS Prof. Paper 227
Albite var: Cleavelandite
Formula: Na(AlSi3O8)
Reference: USGS Proffesional Paper 265; USGS Prof. Paper 227
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Reference: Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 26 (Table A-1).; USGS Proffesional Paper 265; USGS Prof. Paper 227
Beryl
Formula: Be3Al2(Si6O18)
Reference: Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 26 (Table A-1).; USGS Proffesional Paper 265; USGS Prof. Paper 227
'Columbite-Tantalite'
Reference: USGS Proffesional Paper 265
'Feldspar Group'
Reference: USGS Proffesional Paper 265
'Feldspar Group var: Perthite'
Reference: USGS Proffesional Paper 265
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 26 (Table A-1).; USGS Proffesional Paper 265; USGS Prof. Paper 227
'Lepidolite'
Reference: Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 26 (Table A-1).; USGS Proffesional Paper 265; USGS Prof. Paper 227
Microcline
Formula: K(AlSi3O8)
Reference: USGS Prof. Paper 227
'Microlite Group'
Formula: A2-mTa2X6-wZ-n
Reference: Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 26 (Table A-1).; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; USGS Proffesional Paper 265; USGS Prof. Paper 227
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: USGS Proffesional Paper 265; USGS Prof. Paper 227
Quartz
Formula: SiO2
Reference: USGS Proffesional Paper 265; USGS Prof. Paper 227
Topaz
Formula: Al2(SiO4)(F,OH)2
Reference: Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 26 (Table A-1).; USGS Proffesional Paper 265; USGS Prof. Paper 227
'Tourmaline'
Formula: A(D3)G6(Si6O18)(BO3)3X3Z
Reference: USGS Proffesional Paper 265

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
'Microlite Group'4.00.A2-mTa2X6-wZ-n
Quartz4.DA.05SiO2
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
var: Cleavelandite9.FA.35Na(AlSi3O8)
Beryl9.CJ.05Be3Al2(Si6O18)
Microcline9.FA.30K(AlSi3O8)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Topaz9.AF.35Al2(SiO4)(F,OH)2
Unclassified Minerals, Rocks, etc.
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Columbite-Tantalite'-
'Feldspar Group'-
'var: Perthite'-
'Garnet Group'-X3Z2(SiO4)3
'Lepidolite'-
'Tourmaline'-A(D3)G6(Si6O18)(BO3)3X3Z

List of minerals arranged by Dana 8th Edition classification

Group 8 - MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
A2B2O6(O,OH,F)
'Microlite Group'8.2.2.1A2-mTa2X6-wZ-n
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] coordination only
Topaz52.3.1.1Al2(SiO4)(F,OH)2
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl61.1.1.1Be3Al2(Si6O18)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Microcline76.1.1.5K(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
Albite
var: Cleavelandite
-Na(AlSi3O8)
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Columbite-Tantalite'-
'Feldspar Group'-
'var: Perthite'-
'Garnet Group'-X3Z2(SiO4)3
'Lepidolite'-
'Tourmaline'-A(D3)G6(Si6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H ApatiteCa5(PO4)3(Cl/F/OH)
H TopazAl2(SiO4)(F,OH)2
H MuscoviteKAl2(AlSi3O10)(OH)2
BeBeryllium
Be BerylBe3Al2(Si6O18)
BBoron
B TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
OOxygen
O BerylBe3Al2(Si6O18)
O Garnet GroupX3Z2(SiO4)3
O ApatiteCa5(PO4)3(Cl/F/OH)
O TopazAl2(SiO4)(F,OH)2
O AlbiteNa(AlSi3O8)
O QuartzSiO2
O MuscoviteKAl2(AlSi3O10)(OH)2
O TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
O Albite (var: Cleavelandite)Na(AlSi3O8)
O MicroclineK(AlSi3O8)
FFluorine
F ApatiteCa5(PO4)3(Cl/F/OH)
F TopazAl2(SiO4)(F,OH)2
NaSodium
Na AlbiteNa(AlSi3O8)
Na Albite (var: Cleavelandite)Na(AlSi3O8)
AlAluminium
Al BerylBe3Al2(Si6O18)
Al TopazAl2(SiO4)(F,OH)2
Al AlbiteNa(AlSi3O8)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Albite (var: Cleavelandite)Na(AlSi3O8)
Al MicroclineK(AlSi3O8)
SiSilicon
Si BerylBe3Al2(Si6O18)
Si Garnet GroupX3Z2(SiO4)3
Si TopazAl2(SiO4)(F,OH)2
Si AlbiteNa(AlSi3O8)
Si QuartzSiO2
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
Si Albite (var: Cleavelandite)Na(AlSi3O8)
Si MicroclineK(AlSi3O8)
PPhosphorus
P ApatiteCa5(PO4)3(Cl/F/OH)
ClChlorine
Cl ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
K MicroclineK(AlSi3O8)
CaCalcium
Ca ApatiteCa5(PO4)3(Cl/F/OH)
TaTantalum
Ta Microlite GroupA2-mTa2X6-wZ-n

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 26 (Table A-1).
STAATZ AND TRITES, 1955, GEOLOGY OF THE QUARTZ CREEK PEGMATITES, USGS PROF. PAPER 265


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