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Cliffside Mine, Ambrosia Lake Sub-district, Grants District, McKinley Co., New Mexico, USAi
Regional Level Types
Cliffside MineMine
Ambrosia Lake Sub-districtSubdistrict
Grants DistrictMining District
McKinley Co.Reservation
New MexicoState
USACountry

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Key
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Latitude & Longitude (WGS84):
35° 23' 44'' North , 107° 45' 0'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
San Mateo161 (2011)12.0km
Milan3,250 (2017)28.2km
Bluewater Village628 (2017)28.2km
Grants9,239 (2017)29.1km
San Rafael933 (2011)33.7km


Sec 36 T14N R9W
Structure: San Mateo Anticline San Mateo Anticline; A 100-Ft, Cylindrical Collapse Structure.

Tectonics: Chaco Slope

Deposit: The cliffside mine is unusual in several respects: the high average uranium content; the extreme high grade of thin ore streaks; the equidimensional plan and great thickness of the central core; the scarcity of pyrite; the scarcity of black, uranium deficient sandstone; the occurance of sandstone pipes; and the common occurence of very high-grade unoxidized ore in close association with red sandstone and mudstone. (clark, d.s. And s.r. Havenstrite, 1963, nmbmmr mem 15, p. 116) ; info.src : 1 pub lit; 2 unpub rept

Geology: The deposit occurs in the westwater canyon member of the morrison formation.

Rock formation(s): Morrison


Ore(s): Structural And Sedimentary Features

Regions containing this locality

North America PlateTectonic Plate
Rocky Mountains, North AmericaMountain Range
Colorado Plateau, USAPlateau

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


7 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:

Calcite
Formula: CaCO3
Reference: NMBMMR Memoir 15 Geology and Technology of the Grants Uranium Region
Coffinite
Formula: U(SiO4) · nH2O
Reference: U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Cryptomelane
Formula: K(Mn4+7Mn3+)O16
Reference: NMBMMR Memoir 15 Geology and Technology of the Grants Uranium Region
Ilsemannite
Formula: Mo3O8 · nH2O
Reference: NMBMMR Memoir 15 Geology and Technology of the Grants Uranium Region
Montroseite
Formula: (V3+,Fe3+)O(OH)
Reference: U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Pyrite
Formula: FeS2
Reference: NMBMMR Memoir 15 Geology and Technology of the Grants Uranium Region
Selenium
Formula: Se
Reference: NMBMMR Memoir 15 Geology and Technology of the Grants Uranium Region

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Selenium1.CC.10Se
Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Cryptomelane4.DK.05aK(Mn4+7Mn3+)O16
Ilsemannite4.FJ.15Mo3O8 · nH2O
Montroseite4.FD.10(V3+,Fe3+)O(OH)
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 9 - Silicates
Coffinite9.AD.30U(SiO4) · nH2O

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
Selenium1.3.4.1Se
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
Miscellaneous
Ilsemannite4.6.3.1Mo3O8 · nH2O
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Montroseite6.1.1.4(V3+,Fe3+)O(OH)
Group 7 - MULTIPLE OXIDES
AB8X16
Cryptomelane7.9.1.2K(Mn4+7Mn3+)O16
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Coffinite51.5.2.4U(SiO4) · nH2O

List of minerals for each chemical element

HHydrogen
H IlsemanniteMo3O8 · nH2O
H CoffiniteU(SiO4) · nH2O
H Montroseite(V3+,Fe3+)O(OH)
CCarbon
C CalciteCaCO3
OOxygen
O IlsemanniteMo3O8 · nH2O
O CryptomelaneK(Mn74+Mn3+)O16
O CalciteCaCO3
O CoffiniteU(SiO4) · nH2O
O Montroseite(V3+,Fe3+)O(OH)
SiSilicon
Si CoffiniteU(SiO4) · nH2O
SSulfur
S PyriteFeS2
KPotassium
K CryptomelaneK(Mn74+Mn3+)O16
CaCalcium
Ca CalciteCaCO3
VVanadium
V Montroseite(V3+,Fe3+)O(OH)
MnManganese
Mn CryptomelaneK(Mn74+Mn3+)O16
FeIron
Fe PyriteFeS2
Fe Montroseite(V3+,Fe3+)O(OH)
SeSelenium
Se SeleniumSe
MoMolybdenum
Mo IlsemanniteMo3O8 · nH2O
UUranium
U CoffiniteU(SiO4) · nH2O

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

Santonian - Coniacian
83.6 - 89.8 Ma



ID: 2722853
Crevasse Canyon Formation

Age: Late Cretaceous (83.6 - 89.8 Ma)

Stratigraphic Name: Crevasse Canyon Formation

Description: Coal-bearing units are Dilco and Gibson Coal Members; other members are Bartlett Barren, Dalton Sandstone, and Borrego Pass Sandstone (or Lentil).

Comments: Original map source: Green, G.N., Jones, G.E., and Anderson, O.J., 1997, The Digital Geologic Map of New Mexico in ARC/INFO Format: U.S. Geological Survey Open-File Report 97-0052, 9 p., scale 1:500,000.

Lithology: Major:{shale,sandstone}, Minor:{coal}

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]

Early Jurassic - Late Triassic
174.1 - 237 Ma



ID: 3185972
Mesozoic sedimentary rocks

Age: Mesozoic (174.1 - 237 Ma)

Lithology: Sandstone-conglomerate

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]

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)
Clark, D.S., and S.R. Havenstrite, (1963), Nmbmmr Mem 15, P. 108-116
Hilpert, L.S., (1969), USGS Pp 603, P. 39
Squyres, J.B., (1980), Nmbmmr Mem 38, P. 86-96
Mclemore, V.T., (1983), Nmbmmr Ofr-183, Appendix 1
File, (1965), Nmbm Circ 77

USGS MRDS Record:10100911
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