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Wood Mine, Del Rio, Del Rio District, Cocke Co., Tennessee, USA

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Latitude & Longitude (WGS84): 35° 57' 50'' North , 82° 57' 34'' West
Latitude & Longitude (decimal): 35.96399,-82.95959
GeoHash:G#: dnmh85n9m
Locality type:Mine
Köppen climate type:Cfb : Temperate oceanic climate


A former Mn occurrence/mine located 7.7 km (4.8 miles) NE of Del Rio, in Burnett Gap, on National Forest land. Mine last worked in 1918.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


6 valid minerals. 1 (TL) - type locality of valid minerals.

Detailed Mineral List:

Cryptomelane
Formula: K(Mn4+7Mn3+)O16
Reference: R&M 72:4 pp 268-270
Fluorwavellite (TL)
Formula: Al3(PO4)2(OH)2F·5H2O
Reference: Kampf, A.R.,Adam,P.M.,Barwood,H. and Nash,B.P (2015) Fluorwavellite,IMA 2015-077 CNMNC,Newsletter,28,.December 2015,page 1862, Mineralogical Magazine,79,1859-1864; Kampf, A.R., Adams, P.M., Barwood, H., Nash, B.P. (2017): Fluorwavellite, Al3(PO4)2(OH)2F·5H2O, the fluorine analogue of wavellite. American Mineralogist: 102: 909-915.
Pyrolusite
Formula: Mn4+O2
Reference: R&M 72:4 pp 268-270
Quartz
Formula: SiO2
Reference: R&M 72:4 pp 268-270
Variscite
Formula: AlPO4 · 2H2O
Colour: Pink
Description: Ferroan variscite - not strengite
Reference: R&M 72:4 pp 268-270
Variscite var: Ferrian Variscite
Formula: (Al,Fe)PO4 · 2H2O
Reference: Travis A. Paris (2011) Tennessee mineral locality index. Rocks & Minerals, 86, #4, 300-328.
'Wad'
Reference: R&M 72:4 pp 268-270
Wavellite
Formula: Al3(PO4)2(OH,F)3 · 5H2O
Reference: R&M 72:4 pp 268-270

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
'Cryptomelane'4.DK.05aK(Mn4+7Mn3+)O16
Pyrolusite4.DB.05Mn4+O2
Quartz4.DA.05SiO2
Group 8 - Phosphates, Arsenates and Vanadates
Variscite8.CD.10AlPO4 · 2H2O
var: Ferrian Variscite8.CD.10(Al,Fe)PO4 · 2H2O
Wavellite8.DC.50Al3(PO4)2(OH,F)3 · 5H2O
Unclassified Minerals, Rocks, etc.
Fluorwavellite (TL)-Al3(PO4)2(OH)2F·5H2O
Wad-

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
AX2
Pyrolusite4.4.1.4Mn4+O2
Group 7 - MULTIPLE OXIDES
AB8X16
Cryptomelane7.9.1.2K(Mn4+7Mn3+)O16
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
(AB)5(XO4)2·xH2O
Variscite40.4.1.1AlPO4 · 2H2O
Group 42 - HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A3(XO4)2Zq·xH2O
Wavellite42.10.2.1Al3(PO4)2(OH,F)3 · 5H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Rocks, etc.
Fluorwavellite (TL)-Al3(PO4)2(OH)2F·5H2O
Variscite
var: Ferrian Variscite
-(Al,Fe)PO4 · 2H2O
'Wad'-

List of minerals for each chemical element

HHydrogen
H Variscite (var: Ferrian Variscite)(Al,Fe)PO4 · 2H2O
H FluorwavelliteAl3(PO4)2(OH)2F·5H2O
H VarisciteAlPO4 · 2H2O
H WavelliteAl3(PO4)2(OH,F)3 · 5H2O
OOxygen
O CryptomelaneK(Mn74+Mn3+)O16
O Variscite (var: Ferrian Variscite)(Al,Fe)PO4 · 2H2O
O FluorwavelliteAl3(PO4)2(OH)2F·5H2O
O PyrolusiteMn4+O2
O QuartzSiO2
O VarisciteAlPO4 · 2H2O
O WavelliteAl3(PO4)2(OH,F)3 · 5H2O
FFluorine
F FluorwavelliteAl3(PO4)2(OH)2F·5H2O
F WavelliteAl3(PO4)2(OH,F)3 · 5H2O
AlAluminium
Al Variscite (var: Ferrian Variscite)(Al,Fe)PO4 · 2H2O
Al FluorwavelliteAl3(PO4)2(OH)2F·5H2O
Al VarisciteAlPO4 · 2H2O
Al WavelliteAl3(PO4)2(OH,F)3 · 5H2O
SiSilicon
Si QuartzSiO2
PPhosphorus
P Variscite (var: Ferrian Variscite)(Al,Fe)PO4 · 2H2O
P FluorwavelliteAl3(PO4)2(OH)2F·5H2O
P VarisciteAlPO4 · 2H2O
P WavelliteAl3(PO4)2(OH,F)3 · 5H2O
KPotassium
K CryptomelaneK(Mn74+Mn3+)O16
MnManganese
Mn CryptomelaneK(Mn74+Mn3+)O16
Mn PyrolusiteMn4+O2
FeIron
Fe Variscite (var: Ferrian Variscite)(Al,Fe)PO4 · 2H2O

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

Cambrian
485.4 - 541 Ma



ID: 2887647
Erwin Formation

Age: Cambrian (485.4 - 541 Ma)

Stratigraphic Name: Erwin Formation

Description: White, vitreous quartzite, massive, with interbeds of dark-green silty and sandy shale, minor siltstone, and very fine-grained sandstone. Thickness 1,000 to 1,500 feet.

Comments: East sheet Original map source: Greene, D.C., and Wolfe, W.J., 2000, Superfund GIS - 1:250,000 Geology of Tennessee, USGS, (geo250k).

Lithology: Major:{quartzite}, Minor:{sandstone,siltstone,shale}

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]

Neoproterozoic
541 - 1000 Ma



ID: 3187374
Neoproterozoic sedimentary rocks

Age: Neoproterozoic (541 - 1000 Ma)

Lithology: Sedimentary 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]

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)
Stose,G.W and Schrader, F.C. (1923) Manganese Deposits of East Tennessee, USGS Bulletin 737: 90.
Rocks & Minerals (1997): 72(4): 268-270.
Paris, Travis A. (2011) Tennessee mineral locality index. Rocks & Minerals: 86(4): 300-328.
Kampf, A.R., Adams, P.M., Barwood, H., Nash, B.P. (2017): Fluorwavellite, Al3(PO4)2(OH)2F·5H2O, the fluorine analogue of wavellite. American Mineralogist: 102: 909-915.


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