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Bajo mine (Bajou mine), Yamaga, Hayami-gun, Oita Prefecture, Kyushu Region, Japan

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Latitude & Longitude (WGS84): 33° 28' 50'' North , 131° 31' 0'' East
Latitude & Longitude (decimal): 33.48056,131.51667
GeoHash:G#: wvvw2wzw2
Locality type:Mine
Köppen climate type:Cfa : Humid subtropical climate


Epithermal Au-Ag veins.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


16 valid minerals.

Detailed Mineral List:

Arsenic
Formula: As
Reference: Dr. Kameki Kinoshita collection (curated at Geological Survey of Japan); Kamitani, M., Okumura, K., Teraoka, Y., Miyano, S., and Watanabe, Y. (2007): Mineral Resources Map of East Asia. Geological Survey of Japan.
Arsenopyrite
Formula: FeAsS
Reference: Kamitani, M., Okumura, K., Teraoka, Y., Miyano, S., and Watanabe, Y. (2007): Mineral Resources Map of East Asia. Geological Survey of Japan.
Berthierite
Formula: FeSb2S4
Reference: Dr. Kameki Kinoshita collection (curated at Geological Survey of Japan)
Bornite
Formula: Cu5FeS4
Reference: Kamitani, M., Okumura, K., Teraoka, Y., Miyano, S., and Watanabe, Y. (2007): Mineral Resources Map of East Asia. Geological Survey of Japan.
Chalcopyrite
Formula: CuFeS2
Reference: Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo; Kamitani, M., Okumura, K., Teraoka, Y., Miyano, S., and Watanabe, Y. (2007): Mineral Resources Map of East Asia. Geological Survey of Japan.
'Electrum'
Formula: (Au, Ag)
Reference: Naotatsu Shikazono & Masaaki Shimizu (1988) Electrum: Chemical composition, Mode of occurrence, and Depositional environment. Bull 32 The University Museum, The University of Tokyo
Gold
Formula: Au
Reference: Naotatsu Shikazono & Masaaki Shimizu (1988) Electrum: Chemical composition, Mode of occurrence, and Depositional environment. Bull 32 The University Museum, The University of Tokyo
Miargyrite
Formula: AgSbS2
Reference: Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo
Polybasite
Formula: [(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
Reference: Naotatsu Shikazono & Masaaki Shimizu (1988) Electrum: Chemical composition, Mode of occurrence, and Depositional environment. Bull 32 The University Museum, The University of Tokyo
Pyrargyrite
Formula: Ag3SbS3
Reference: Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo; Kamitani, M., Okumura, K., Teraoka, Y., Miyano, S., and Watanabe, Y. (2007): Mineral Resources Map of East Asia. Geological Survey of Japan.
Pyrite
Formula: FeS2
Reference: Naotatsu Shikazono & Masaaki Shimizu (1988) Electrum: Chemical composition, Mode of occurrence, and Depositional environment. Bull 32 The University Museum, The University of Tokyo; Kamitani, M., Okumura, K., Teraoka, Y., Miyano, S., and Watanabe, Y. (2007): Mineral Resources Map of East Asia. Geological Survey of Japan.
Quartz
Formula: SiO2
Reference: Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo
Quartz var: Chalcedony
Formula: SiO2
Reference: Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo
Stephanite
Formula: Ag5SbS4
Reference: Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo; Naotatsu Shikazono & Masaaki Shimizu (1988) Electrum: Chemical composition, Mode of occurrence, and Depositional environment. Bull 32 The University Museum, The University of Tokyo
Stibarsen
Formula: AsSb
Description: "allemontite"
Reference: Dr. Kameki Kinoshita collection (curated at Geological Survey of Japan)
Stibnite
Formula: Sb2S3
Reference: Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo; Naotatsu Shikazono & Masaaki Shimizu (1988) Electrum: Chemical composition, Mode of occurrence, and Depositional environment. Bull 32 The University Museum, The University of Tokyo; Kamitani, M., Okumura, K., Teraoka, Y., Miyano, S., and Watanabe, Y. (2007): Mineral Resources Map of East Asia. Geological Survey of Japan.
Tetrahedrite
Formula: Cu6[Cu4(Fe,Zn)2]Sb4S13
Reference: Kamitani, M., Okumura, K., Teraoka, Y., Miyano, S., and Watanabe, Y. (2007): Mineral Resources Map of East Asia. Geological Survey of Japan.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Arsenic'1.CA.05As
Electrum1.AA.05(Au, Ag)
Gold1.AA.05Au
Stibarsen1.CA.05AsSb
Group 2 - Sulphides and Sulfosalts
'Arsenopyrite'2.EB.20FeAsS
'Berthierite'2.HA.20FeSb2S4
'Bornite'2.BA.15Cu5FeS4
Chalcopyrite2.CB.10aCuFeS2
Miargyrite2.HA.10AgSbS2
Polybasite2.GB.15[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
Pyrargyrite2.GA.05Ag3SbS3
Pyrite2.EB.05aFeS2
Stephanite2.GB.10Ag5SbS4
Stibnite2.DB.05Sb2S3
Tetrahedrite2.GB.05Cu6[Cu4(Fe,Zn)2]Sb4S13
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
Group 9 - Silicates
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Semi-metals and non-metals
Arsenic1.3.1.1As
Stibarsen1.3.1.3AsSb
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 3:2
Bornite2.5.2.1Cu5FeS4
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 2:3
Stibnite2.11.2.1Sb2S3
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Pyrite2.12.1.1FeS2
Group 3 - SULFOSALTS
ø > 4
Polybasite3.1.7.2[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
ø = 4
Stephanite3.2.4.1Ag5SbS4
3 <ø < 4
Tetrahedrite3.3.6.1Cu6[Cu4(Fe,Zn)2]Sb4S13
ø = 3
Pyrargyrite3.4.1.2Ag3SbS3
ø = 2
Berthierite3.7.9.3FeSb2S4
Miargyrite3.7.3.2AgSbS2
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
Unclassified Minerals, Rocks, etc.
'Electrum'-(Au, Ag)
Muscovite
var: Sericite
-KAl2(AlSi3O10)(OH)2
Quartz
var: Chalcedony
-SiO2

List of minerals for each chemical element

HHydrogen
H MuscoviteKAl2(AlSi3O10)(OH)2
H Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
OOxygen
O Quartz (var: Chalcedony)SiO2
O MuscoviteKAl2(AlSi3O10)(OH)2
O QuartzSiO2
O Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
AlAluminium
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
SiSilicon
Si Quartz (var: Chalcedony)SiO2
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si QuartzSiO2
Si Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
SSulfur
S ArsenopyriteFeAsS
S BerthieriteFeSb2S4
S BorniteCu5FeS4
S ChalcopyriteCuFeS2
S MiargyriteAgSbS2
S Polybasite[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
S PyrargyriteAg3SbS3
S PyriteFeS2
S StephaniteAg5SbS4
S StibniteSb2S3
S TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
FeIron
Fe ArsenopyriteFeAsS
Fe BerthieriteFeSb2S4
Fe BorniteCu5FeS4
Fe ChalcopyriteCuFeS2
Fe PyriteFeS2
Fe TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
CuCopper
Cu BorniteCu5FeS4
Cu ChalcopyriteCuFeS2
Cu Polybasite[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
Cu TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
ZnZinc
Zn TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
AsArsenic
As ArsenicAs
As ArsenopyriteFeAsS
As Polybasite[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
As StibarsenAsSb
AgSilver
Ag Electrum(Au, Ag)
Ag MiargyriteAgSbS2
Ag Polybasite[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
Ag PyrargyriteAg3SbS3
Ag StephaniteAg5SbS4
SbAntimony
Sb BerthieriteFeSb2S4
Sb MiargyriteAgSbS2
Sb Polybasite[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
Sb PyrargyriteAg3SbS3
Sb StephaniteAg5SbS4
Sb StibarsenAsSb
Sb StibniteSb2S3
Sb TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
AuGold
Au Electrum(Au, Ag)
Au GoldAu

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

Quaternary - Neogene
0 - 23.03 Ma



ID: 3190712
Cenozoic volcanic rocks

Age: Cenozoic (0 - 23.03 Ma)

Lithology: Mafic-intermediate 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

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
- 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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