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Keith Francis claim (Bluestone No. 1 Mine), Garnet Ridge, Dinnehotso, Apache County, Arizona, USAi
Regional Level Types
Keith Francis claim (Bluestone No. 1 Mine)Claim
Garnet RidgeRidge
Dinnehotso- not defined -
Apache CountyCounty
ArizonaState
USACountry

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Latitude & Longitude (WGS84):
36° 56' 48'' North , 109° 54' 29'' West
Latitude & Longitude (decimal):
36.94680,-109.90810
GeoHash:
G#: 9w9f4vzqe
GRN:
N25W63
Type:
Claim
Köppen climate type:
BSk : Cold semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Dennehotso746 (2011)12.5km
Halchita266 (2011)20.0km
Oljato-Monument Valley154 (2017)25.5km
Oljato-Monument Valley674 (2016)31.9km
Rock Point642 (2011)35.7km
Mindat Locality ID:
50875
Long-form identifier:
mindat:1:2:50875:4
GUID (UUID V4):
57aa4032-0384-45ca-b3ce-7074378f81c1


A Cu-U occurrence/claim located in approximate secs. 19, 20 & 29, T41N, R24E, G&SRM, on the NE end of Garnet Ridge.

The claim includes a rubble-like dike associated with a vein at the NE end of the ridge. 3 mineralized zones are roughly parallel to the dike walls & extend short distances along fractures in the country rock that intersects the dike.

Tyuyamunite and chalcocite mineralization occurs along the dike and vein in Navajo sandstone. Highly altered mica-serpentine dike strikes N750W, dips 60N and extends to the west end of a collapsed structure on a
N500E-trending syncline. Metatyuyamunite, volborthite, malachite, and chrysocolla occur with traces of Ag, Co, Ni, V, Pb and Tl are present.

Workings include 4 inclined, exploratory drill holes (U.S. Atomic Energy Commission).

When the mine was abandoned in early 1956, the workings consisted of a trench 150 feet long, 15 feet wide, and 20 feet deep. A 60 foot inclined shaft was sunk into the northeast-dipping dike at the northwestern end of the trench.

Production was 53 tons @ 0.22% U3O8; 0.8% V2O5 (1955-1956).

Analysis test results: 0.07-1.26% U3O8; 0.54-1.16% V205; 6.68% Cu.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


7 valid minerals.

Rock Types Recorded

Note: 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:

ⓘ Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Description: Occurs as veinlets in a rubble dike.
ⓘ Chalcocite
Formula: Cu2S
ⓘ Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
ⓘ Malachite
Formula: Cu2(CO3)(OH)2
ⓘ Metatyuyamunite
Formula: Ca(UO2)2(VO4)2 · 3H2O
ⓘ Tyuyamunite
Formula: Ca(UO2)2(VO4)2 · 5-8H2O
Description: Occurs in altered country rock around a rubble dike.
ⓘ Volborthite
Formula: Cu3(V2O7)(OH)2 · 2H2O

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘChalcocite2.BA.05Cu2S
Group 4 - Oxides and Hydroxides
ⓘMetatyuyamunite4.HB.25Ca(UO2)2(VO4)2 · 3H2O
ⓘTyuyamunite4.HB.25Ca(UO2)2(VO4)2 · 5-8H2O
Group 5 - Nitrates and Carbonates
ⓘAnkerite5.AB.10Ca(Fe2+,Mg)(CO3)2
ⓘMalachite5.BA.10Cu2(CO3)(OH)2
Group 8 - Phosphates, Arsenates and Vanadates
ⓘVolborthite8.FD.05Cu3(V2O7)(OH)2 · 2H2O
Group 9 - Silicates
ⓘChrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1

List of minerals for each chemical element

HHydrogen
Hⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Hⓘ MalachiteCu2(CO3)(OH)2
Hⓘ MetatyuyamuniteCa(UO2)2(VO4)2 · 3H2O
Hⓘ TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O
Hⓘ VolborthiteCu3(V2O7)(OH)2 · 2H2O
CCarbon
Cⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Cⓘ MalachiteCu2(CO3)(OH)2
OOxygen
Oⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Oⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Oⓘ MalachiteCu2(CO3)(OH)2
Oⓘ MetatyuyamuniteCa(UO2)2(VO4)2 · 3H2O
Oⓘ TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O
Oⓘ VolborthiteCu3(V2O7)(OH)2 · 2H2O
MgMagnesium
Mgⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
AlAluminium
Alⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
SiSilicon
Siⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
SSulfur
Sⓘ ChalcociteCu2S
CaCalcium
Caⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Caⓘ MetatyuyamuniteCa(UO2)2(VO4)2 · 3H2O
Caⓘ TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O
VVanadium
Vⓘ MetatyuyamuniteCa(UO2)2(VO4)2 · 3H2O
Vⓘ TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O
Vⓘ VolborthiteCu3(V2O7)(OH)2 · 2H2O
FeIron
Feⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
CuCopper
Cuⓘ ChalcociteCu2S
Cuⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Cuⓘ MalachiteCu2(CO3)(OH)2
Cuⓘ VolborthiteCu3(V2O7)(OH)2 · 2H2O
UUranium
Uⓘ MetatyuyamuniteCa(UO2)2(VO4)2 · 3H2O
Uⓘ TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O

Other Regions, Features and Areas containing this locality

North America PlateTectonic Plate
USA

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

USGS Dennehotso, Arizona, quadrangle 15 minute topo map.
Shiprock NTMS.
Shoemaker, E., et. al. (1955), Diatremes on the Navajo and Hopi Reservations, Arizona, USGS Trace Elements Investigation Report TEI-590: 63-65.
Page, Lincoln R., Stocking, Hobart E., Smith, Harriet B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. Professional Paper 300. US Geological Survey doi:10.3133/pp300 pp.179-185
Nalde, H. & Thaden, R. (1963).
[1]Scarborough, Robert B. (1981), Radioactive occurrences and uranium production in Arizona, Arizona Bureau of Geology and Mineral Technology Report for U.S. Department of Energy (Atomic Energy Commission), GJBX-143. RME-2071: 108.
Chenoweth, William L. (1991) The Geology and Production History of the Bluestone No.1 Uranium· Vanadium Mine, Garnet Ridge, Apache County, Arizona, with Notes on the U.S. Atomic Energy Commission's Drilling Project. Arizona Geological Survey Contributed Report 91-B
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