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Furutobe mine (Furutohbe mine), Kosaka, Akita Prefecture, Japani
Regional Level Types
Furutobe mine (Furutohbe mine)Mine
KosakaCity
Akita PrefecturePrefecture
JapanCountry

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Key
Latitude & Longitude (WGS84):
40° 24' 7'' North , 140° 41' 47'' East
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Ōdate64,543 (2017)18.7km
Hanawa36,925 (2017)25.5km
Hirosaki174,972 (2017)28.5km
Kuroishi38,615 (2017)28.7km
Takanosu20,542 (2017)34.4km
Name(s) in local language(s):
古遠部鉱山, 秋田県 鹿角郡小坂町小坂 字古遠部


Bornite-rich "kuroko"-type ore, mined for copper, zinc, lead and pyrites (sulphur) from 1965 until 1974. Intruded by an andesite dyke.

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


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

Detailed Mineral List:

'Arsenian Renierite'
Formula: Cu11GeAsFe4S16
Reference: Hayashi, Kenichiro; Kikutani, Tadashi; Sugaki, Asahiko (1985): Arsenic-bearing renierite from the Furutobe mine, Akita prefecture, Japan. Ganseki Kobutsu Kosho Gakkaishi 80 (10), 451-458 (in Japanese).
Baryte
Formula: BaSO4
Reference: www.mineralmundi.com/japan.htm
Bornite
Formula: Cu5FeS4
Reference: Sugaki, et al. (1981) Bulletin de Mineralogie, 104, 737-741.; Dr. Kameki Kinoshita collection (curated at Geological Survey of Japan)
Chalcopyrite
Formula: CuFeS2
Reference: www.mineralmundi.com/japan.htm; Dr. Kameki Kinoshita collection (curated at Geological Survey of Japan)
Digenite
Formula: Cu9S5
Reference: Sugaki, et al. (1981) Bulletin de Mineralogie, 104, 737-741.
'Electrum'
Formula: (Au,Ag)
Reference: Sugaki, et al. (1981) Bulletin de Mineralogie, 104, 737-741.
Furutobeite (TL)
Formula: (Cu,Ag)6PbS4
Type Locality:
Reference: Sugaki, A., Kitakaze, A., Odashima, Y. (1981) Furutobeite, a new copper-silver-lead sulfide mineral. Bulletin de Minéralogie: 104: 737-741.; Nickel & Nichols (1991) Mineral Reference Manual. p 72.
Galena
Formula: PbS
Reference: Sugaki, et al. (1981) Bulletin de Mineralogie, 104, 737-741.
Gold
Formula: Au
Reference: Sugaki, et al. (1981) Bulletin de Mineralogie, 104, 737-741.
Gypsum
Formula: CaSO4 · 2H2O
Reference: www.mineralmundi.com/japan.htm
Hematite
Formula: Fe2O3
Reference: Dr. Kameki Kinoshita collection (curated at Geological Survey of Japan)
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Dr. Kameki Kinoshita collection (curated at Geological Survey of Japan)
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: www.mineralmundi.com/japan.htm
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Reference: www.mineralmundi.com/japan.htm
Pyrite
Formula: FeS2
Reference: www.mineralmundi.com/japan.htm
Quartz
Formula: SiO2
Reference: www.mineralmundi.com/japan.htm
Renierite
Formula: (Cu1+,Zn)11Fe4(Ge4+,As5+)2S16
Reference: Hayashi, Kenichiro; Kikutani, Tadashi; Sugaki, Asahiko (1985): Arsenic-bearing renierite from the Furutobe mine, Akita prefecture, Japan. Ganseki Kobutsu Kosho Gakkaishi 80 (10), 451-458 (in Japanese).
Silver
Formula: Ag
Reference: Doug Leighton
Sphalerite
Formula: ZnS
Reference: Dr. Kameki Kinoshita collection (curated at Geological Survey of Japan); Shunso Ishihara and Yuji Endo (2007): Bulletin of the Geological Survey of Japan 58(1/2), 7-22.
Stromeyerite
Formula: AgCuS
Reference: Sugaki, et al. (1981) Bulletin de Mineralogie, 104, 737-741.
Sudoite
Formula: Mg2Al3(Si3Al)O10)(OH)8
Reference: Bailey, S. W., & Lister, J. S. (1989). Structures, compositions, and X-ray diffraction identification of dioctahedral chlorites. Clays and Clay Minerals, 37(3), 193-202.
'Tennantite'
Formula: Cu6(Cu4X2)As4S12S
Reference: Sugaki, et al. (1981) Bulletin de Mineralogie, 104, 737-741.
'Tetrahedrite'
Formula: Cu6(Cu4X2)Sb4S13
Reference: www.mineralmundi.com/japan.htm

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Electrum'1.AA.05(Au,Ag)
Gold1.AA.05Au
Silver1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
Bornite2.BA.15Cu5FeS4
Chalcopyrite2.CB.10aCuFeS2
Digenite2.BA.10Cu9S5
Furutobeite (TL)2.BE.10(Cu,Ag)6PbS4
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Renierite2.CB.35a(Cu1+,Zn)11Fe4(Ge4+,As5+)2S16
Sphalerite2.CB.05aZnS
Stromeyerite2.BA.40AgCuS
'Tennantite'2.GB.05Cu6(Cu4X2)As4S12S
'Tetrahedrite'2.GB.05Cu6(Cu4X2)Sb4S13
Group 4 - Oxides and Hydroxides
Hematite4.CB.05Fe2O3
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Gypsum7.CD.40CaSO4 · 2H2O
Group 9 - Silicates
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Sudoite9.EC.55Mg2Al3(Si3Al)O10)(OH)8
Unclassified Minerals, Rocks, etc.
'Arsenian Renierite'-Cu11GeAsFe4S16

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
Silver1.1.1.2Ag
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Digenite2.4.7.3Cu9S5
Stromeyerite2.4.6.1AgCuS
AmBnXp, with (m+n):p = 3:2
Bornite2.5.2.1Cu5FeS4
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
Renierite2.9.4.1(Cu1+,Zn)11Fe4(Ge4+,As5+)2S16
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Miscellaneous
Furutobeite (TL)2.16.12.1(Cu,Ag)6PbS4
Group 3 - SULFOSALTS
3 <ø < 4
'Tennantite'3.3.6.2Cu6(Cu4X2)As4S12S
'Tetrahedrite'3.3.6.1Cu6(Cu4X2)Sb4S13
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
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 interlayered 1:1, 2:1, and octahedra
Sudoite71.4.1.3Mg2Al3(Si3Al)O10)(OH)8
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Arsenian Renierite'-Cu11GeAsFe4S16
'Electrum'-(Au,Ag)
Muscovite
var: Sericite
-KAl2(AlSi3O10)(OH)2

List of minerals for each chemical element

HHydrogen
H GypsumCaSO4 · 2H2O
H Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
H SudoiteMg2Al3(Si3Al)O10)(OH)8
H MuscoviteKAl2(AlSi3O10)(OH)2
OOxygen
O GypsumCaSO4 · 2H2O
O QuartzSiO2
O Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
O BaryteBaSO4
O MagnetiteFe2+Fe23+O4
O HematiteFe2O3
O SudoiteMg2Al3(Si3Al)O10)(OH)8
O MuscoviteKAl2(AlSi3O10)(OH)2
MgMagnesium
Mg SudoiteMg2Al3(Si3Al)O10)(OH)8
AlAluminium
Al Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Al SudoiteMg2Al3(Si3Al)O10)(OH)8
Al MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Si QuartzSiO2
Si Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Si SudoiteMg2Al3(Si3Al)O10)(OH)8
Si MuscoviteKAl2(AlSi3O10)(OH)2
SSulfur
S Furutobeite(Cu,Ag)6PbS4
S SphaleriteZnS
S BorniteCu5FeS4
S StromeyeriteAgCuS
S GalenaPbS
S TennantiteCu6(Cu4X2)As4S12S
S DigeniteCu9S5
S Arsenian RenieriteCu11GeAsFe4S16
S GypsumCaSO4 · 2H2O
S BaryteBaSO4
S ChalcopyriteCuFeS2
S PyriteFeS2
S TetrahedriteCu6(Cu4X2)Sb4S13
S Renierite(Cu1+,Zn)11Fe4(Ge4+,As5+)2S16
KPotassium
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca GypsumCaSO4 · 2H2O
FeIron
Fe BorniteCu5FeS4
Fe Arsenian RenieriteCu11GeAsFe4S16
Fe ChalcopyriteCuFeS2
Fe PyriteFeS2
Fe MagnetiteFe2+Fe23+O4
Fe HematiteFe2O3
Fe Renierite(Cu1+,Zn)11Fe4(Ge4+,As5+)2S16
CuCopper
Cu Furutobeite(Cu,Ag)6PbS4
Cu BorniteCu5FeS4
Cu StromeyeriteAgCuS
Cu TennantiteCu6(Cu4X2)As4S12S
Cu DigeniteCu9S5
Cu Arsenian RenieriteCu11GeAsFe4S16
Cu ChalcopyriteCuFeS2
Cu TetrahedriteCu6(Cu4X2)Sb4S13
Cu Renierite(Cu1+,Zn)11Fe4(Ge4+,As5+)2S16
ZnZinc
Zn SphaleriteZnS
Zn Renierite(Cu1+,Zn)11Fe4(Ge4+,As5+)2S16
GeGermanium
Ge Arsenian RenieriteCu11GeAsFe4S16
Ge Renierite(Cu1+,Zn)11Fe4(Ge4+,As5+)2S16
AsArsenic
As TennantiteCu6(Cu4X2)As4S12S
As Arsenian RenieriteCu11GeAsFe4S16
As Renierite(Cu1+,Zn)11Fe4(Ge4+,As5+)2S16
AgSilver
Ag Furutobeite(Cu,Ag)6PbS4
Ag StromeyeriteAgCuS
Ag Electrum(Au,Ag)
Ag SilverAg
SbAntimony
Sb TetrahedriteCu6(Cu4X2)Sb4S13
BaBarium
Ba BaryteBaSO4
AuGold
Au Electrum(Au,Ag)
Au GoldAu
PbLead
Pb Furutobeite(Cu,Ag)6PbS4
Pb GalenaPbS

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Hayashi, Kenichiro; Kikutani, Tadashi; Sugaki, Asahiko (1985): Arsenic-bearing renierite from the Furutobe mine, Akita prefecture, Japan. Ganseki Kobutsu Kosho Gakkaishi 80 (10), 451-458 (in Japanese).
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.

Other Regions, Features and Areas containing this locality

AsiaContinent
Japan
Okhotsk PlateTectonic Plate

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