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Yokota Mine, Fukushima, Japani
Regional Level Types
Yokota MineMine
FukushimaPrefecture
JapanCountry

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Latitude & Longitude (WGS84): 37° 23' 17'' North , 139° 26' 30'' East
Latitude & Longitude (decimal): 37.38806,139.44167
GeoHash:G#: xnehtn634
Locality type:Mine
Köppen climate type:Dfb : Warm-summer humid continental climate


Kuroko-type deposit.

Regions containing this locality

Honshu Island, Japan

Island - 1,361 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


10 valid minerals.

Detailed Mineral List:

Baryte
Formula: BaSO4
Reference: Chunxie Pu (1978): Geology and Prospecting 14(5), 74-79
Chalcopyrite
Formula: CuFeS2
Reference: Chunxie Pu (1978): Geology and Prospecting 14(5), 74-79; Shunso Ishihara and Yuji Endo (2007): Bulletin of the Geological Survey of Japan 58(1/2), 7-22
Galena
Formula: PbS
Reference: Chunxie Pu (1978): Geology and Prospecting 14(5), 74-79
Gypsum
Formula: CaSO4 · 2H2O
Reference: Chunxie Pu (1978): Geology and Prospecting 14(5), 74-79
Marcasite
Formula: FeS2
Reference: Kamitani, M., Okumura, K., Teraoka, Y., Miyano, S., and Watanabe, Y. (2007): Mineral Resources Map of East Asia. Geological Survey of Japan.
Montmorillonite
Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Reference: Chunxie Pu (1978): Geology and Prospecting 14(5), 74-79
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Chunxie Pu (1978): Geology and Prospecting 14(5), 74-79
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Chunxie Pu (1978): Geology and Prospecting 14(5), 74-79
Pyrite
Formula: FeS2
Reference: Chunxie Pu (1978): Geology and Prospecting 14(5), 74-79; Shunso Ishihara and Yuji Endo (2007): Bulletin of the Geological Survey of Japan 58(1/2), 7-22
Quartz
Formula: SiO2
Reference: Chunxie Pu (1978): Geology and Prospecting 14(5), 74-79
Sphalerite
Formula: ZnS
Reference: Chunxie Pu (1978): Geology and Prospecting 14(5), 74-79

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
'Chalcopyrite'2.CB.10aCuFeS2
'Galena'2.CD.10PbS
'Marcasite'2.EB.10aFeS2
'Pyrite'2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Group 4 - Oxides and Hydroxides
'Quartz'4.DA.05SiO2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Baryte'7.AD.35BaSO4
'Gypsum'7.CD.40CaSO4 · 2H2O
Group 9 - Silicates
'Montmorillonite'9.EC.40(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
'Muscovite'9.EC.15KAl2(AlSi3O10)(OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Marcasite2.12.2.1FeS2
Pyrite2.12.1.1FeS2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Sheets of 6-membered rings with 2:1 clays
Montmorillonite71.3.1a.2(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Rocks, etc.
Muscovite
var: Sericite
-KAl2(AlSi3O10)(OH)2

List of minerals for each chemical element

HHydrogen
H GypsumCaSO4 · 2H2O
H Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
H MuscoviteKAl2(AlSi3O10)(OH)2
H Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
OOxygen
O BaryteBaSO4
O GypsumCaSO4 · 2H2O
O Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
O MuscoviteKAl2(AlSi3O10)(OH)2
O QuartzSiO2
O Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
NaSodium
Na Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
MgMagnesium
Mg Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
AlAluminium
Al Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
SiSilicon
Si Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si QuartzSiO2
Si Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
SSulfur
S BaryteBaSO4
S ChalcopyriteCuFeS2
S GalenaPbS
S GypsumCaSO4 · 2H2O
S MarcasiteFeS2
S PyriteFeS2
S SphaleriteZnS
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
CaCalcium
Ca GypsumCaSO4 · 2H2O
Ca Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
FeIron
Fe ChalcopyriteCuFeS2
Fe MarcasiteFeS2
Fe PyriteFeS2
CuCopper
Cu ChalcopyriteCuFeS2
ZnZinc
Zn SphaleriteZnS
BaBarium
Ba BaryteBaSO4
PbLead
Pb GalenaPbS

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

Cenozoic
0 - 66 Ma



ID: 3184693
Cenozoic sedimentary and volcanic rocks

Age: Cenozoic (0 - 66 Ma)

Lithology: Sedimentary and 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)
Chunxie Pu (1978): Exploration history of the Yokota mine, Japan. Geology and Prospecting 14(5), 74-79 (in Chinese).
Shunso Ishihara and Yuji Endo (2007): Indium and other trace elements in volcanogenic massive sulfide ores from the Kuroko, Besshi and other types in Japan. Bulletin of the Geological Survey of Japan 58(1/2), 7-22.
Kamitani, M., Okumura, K., Teraoka, Y., Miyano, S., and Watanabe, Y. (2007): Mineral Resources Map of East Asia. Geological Survey of Japan.


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