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Sinkhole Mine, Bandana, Mitchell Co., North Carolina, USAi
Regional Level Types
Sinkhole MineMine
Bandana- not defined -
Mitchell Co.County
North CarolinaState
USACountry

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Latitude & Longitude (WGS84): 35° 58' North , 82° 10' West
Latitude & Longitude (decimal): 35.96667,-82.16667
GeoHash:G#: dnmsd7811
Locality type:Mine
Köppen climate type:Cfb : Temperate oceanic climate


Granite pegmatite that has been mined since ancient times. Located at Bandana, near Micaville. First prospected by Native Americans for the mica which was used as ornamental items, the mine closed in the 1960's.
produced high grade "ruby" sheet muscovite.

Regions containing this locality

North America Plate

Plate - 4,949 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


9 valid minerals. 1 erroneous literature entry.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Reference: cw Allen collection
'Albite-Anorthite Series'
Reference: Lesure, Frank G.,(1968) Mica Deposits of the Blue Ridge in North Carolina:USGS Professional Paper 577
Almandine
Formula: Fe2+3Al2(SiO4)3
Description: pegmatite, some pre-historic workings
Reference: Michael Streeter.,2003,A Rockhounding Guide to North Carolinas Blue Ridge Mountains:pp.82-83
'Apatite'
Reference: Lesure, Frank G.,(1968) Mica Deposits of the Blue Ridge in North Carolina:USGS Professional Paper 577
'Biotite'
Description: pegmatite, some pre-historic workings
Reference: C.W. Allen collection, Lesure,Frank G.,(1968)Mica Deposits of the Blue Ridge in North Carolina ;USGS Professional Paper 577
Clinozoisite
Formula: {Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Reference: various added photos
Clinozoisite var: Clinothulite
Formula: {Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Reference: various added photos
'Feldspar Group'
Reference: Lesure, Frank G.,(1968) Mica Deposits of the Blue Ridge in North Carolina:USGS Professional Paper 577
'Feldspar Group var: Perthite'
Reference: Lesure, Frank G.,(1968) Mica Deposits of the Blue Ridge in North Carolina:USGS Professional Paper 577
Fluorapatite
Formula: Ca5(PO4)3F
Fluorescence: Bright Yellow in Shortwave
Reference: Michael Streeter.,2003,A Rockhounding Guide to North Carolinas Blue Ridge Mountains:pp.82-83
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: Lesure, Frank G.,(1968) Mica Deposits of the Blue Ridge in North Carolina:USGS Professional Paper 577
'Hornblende'
Reference: Lesure, Frank G.,(1968) Mica Deposits of the Blue Ridge in North Carolina:USGS Professional Paper 577
Kyanite
Formula: Al2(SiO4)O
Reference: Richard James Jacquot,Jr,2003,Rock,Gem,and Mineral Collecting Sites In Western North Carolina, pg # 46
Microcline
Formula: K(AlSi3O8)
Reference: cw Allen collection
Microcline var: Amazonite
Formula: K(AlSi3O8)
Reference: Richard James Jacquot,Jr,2003,Rock,Gem,and Mineral Collecting Sites In Western North Carolina, pg # 46
'Moonstone'
Reference: Richard James Jacquot,Jr,2003,Rock,Gem,and Mineral Collecting Sites In Western North Carolina, pg # 46
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Description: pegmatite, some pre-historic workings
Reference: Michael Streeter.,2003,A Rockhounding Guide to North Carolinas Blue Ridge Mountains:pp.82-83
Orthoclase
Formula: K(AlSi3O8)
Reference: www.geology.enr.state.nc.us/proj_earth/feldspar_data.html (Feldspar-North Carolina Geological Survey
Pyrolusite
Formula: Mn4+O2
Reference: cw Allen collection
Quartz
Formula: SiO2
Reference: www.geology.enr.state.nc.us/proj_earth/feldspar_data.html ( Feldspar-North Carolina Geological Survey)
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: Lesure, Frank G.,(1968) Mica Deposits of the Blue Ridge in North Carolina:USGS Professional Paper 577

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
'Pyrolusite' ?4.DB.05Mn4+O2
'Quartz'4.DA.05SiO2
Group 8 - Phosphates, Arsenates and Vanadates
Fluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
'Albite'9.FA.35Na(AlSi3O8)
'Almandine'9.AD.25Fe2+3Al2(SiO4)3
Clinozoisite9.BG.05a{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
var: Clinothulite9.BG.05a{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Kyanite9.AF.15Al2(SiO4)O
Microcline9.FA.30K(AlSi3O8)
var: Amazonite9.FA.30K(AlSi3O8)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Orthoclase9.FA.30K(AlSi3O8)
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
Apatite-
Biotite-
Feldspar Group-
'var: Perthite'-
Garnet Group-X3Z2(SiO4)3
Hornblende-
Moonstone-
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
AX2
Pyrolusite ?4.4.1.4Mn4+O2
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Fluorapatite41.8.1.1Ca5(PO4)3F
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Almandine51.4.3a.2Fe2+3Al2(SiO4)3
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [4] and >[4] coordination
Kyanite52.2.2c.1Al2(SiO4)O
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Clinozoisite58.2.1a.4{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
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)
Orthoclase76.1.1.1K(AlSi3O8)
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Apatite'-
'Biotite'-
Clinozoisite
var: Clinothulite
-{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
'Feldspar Group'-
'var: Perthite'-
'Garnet Group'-X3Z2(SiO4)3
'Hornblende'-
Microcline
var: Amazonite
-K(AlSi3O8)
'Moonstone'-
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H Clinozoisite (var: Clinothulite){Ca2}{Al3}(Si2O7)(SiO4)O(OH)
H Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
H MuscoviteKAl2(AlSi3O10)(OH)2
BBoron
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
OOxygen
O AlbiteNa(AlSi3O8)
O AlmandineFe32+Al2(SiO4)3
O Microcline (var: Amazonite)K(AlSi3O8)
O Clinozoisite (var: Clinothulite){Ca2}{Al3}(Si2O7)(SiO4)O(OH)
O Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
O FluorapatiteCa5(PO4)3F
O Garnet GroupX3Z2(SiO4)3
O KyaniteAl2(SiO4)O
O MicroclineK(AlSi3O8)
O MuscoviteKAl2(AlSi3O10)(OH)2
O OrthoclaseK(AlSi3O8)
O PyrolusiteMn4+O2
O QuartzSiO2
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
FFluorine
F FluorapatiteCa5(PO4)3F
NaSodium
Na AlbiteNa(AlSi3O8)
AlAluminium
Al AlbiteNa(AlSi3O8)
Al AlmandineFe32+Al2(SiO4)3
Al Microcline (var: Amazonite)K(AlSi3O8)
Al Clinozoisite (var: Clinothulite){Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Al Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Al KyaniteAl2(SiO4)O
Al MicroclineK(AlSi3O8)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al OrthoclaseK(AlSi3O8)
SiSilicon
Si AlbiteNa(AlSi3O8)
Si AlmandineFe32+Al2(SiO4)3
Si Microcline (var: Amazonite)K(AlSi3O8)
Si Clinozoisite (var: Clinothulite){Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Si Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Si Garnet GroupX3Z2(SiO4)3
Si KyaniteAl2(SiO4)O
Si MicroclineK(AlSi3O8)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si OrthoclaseK(AlSi3O8)
Si QuartzSiO2
PPhosphorus
P FluorapatiteCa5(PO4)3F
KPotassium
K Microcline (var: Amazonite)K(AlSi3O8)
K MicroclineK(AlSi3O8)
K MuscoviteKAl2(AlSi3O10)(OH)2
K OrthoclaseK(AlSi3O8)
CaCalcium
Ca Clinozoisite (var: Clinothulite){Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Ca Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Ca FluorapatiteCa5(PO4)3F
MnManganese
Mn PyrolusiteMn4+O2
FeIron
Fe AlmandineFe32+Al2(SiO4)3

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

Neoproterozoic
541 - 1000 Ma



ID: 2860139
Ashe Metamorphic Suite and Tallulah Falls Formation; Amphibolite

Age: Neoproterozoic (541 - 1000 Ma)

Stratigraphic Name: Ashe Metamorphic Suite; Tallulah Falls Formation

Description: Equigranular, massive to well foliated, interlayered, rarely discordant, metamorphosed intrusive to extrusive mafic rock; may include metasedimentary rock.

Comments: Original map source: The North Carolina Dept. of Environment, Health, and Natural Resources, Division of Land Resources, NC Geological Survey, in cooperation with the NC Center for Geographic Information and Analysis, 1998 (updated 2007), Geology - North Carolina (1:250,000)

Lithology: Major:{amphibolite}, Minor:{metasedimentary}

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: 3186076
Neoproterozoic volcanic rocks

Age: Neoproterozoic (541 - 1000 Ma)

Lithology: 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]

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)
OLSON, J. C. (1944), NC DEPT OF CONS & DEVEL BULL 43: 54-55.
Rocks & Minerals (1995): 60: 66.
Jacquot, Jr., Richard James (2003), Rock, Gem, and Mineral Collecting Sites In Western North Carolina: 46.
Streeter, Michael (2003), A Rockhounding Guide to North Carolinas Blue Ridge Mountains: 82-83.

External Links

www.geology.enr.state.nc.us/proj_earth/feldspar_data.html (Feldspar-North Carolina Geological Survey)


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