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Minamishiraoi deposits (Minamishiraoi baryte mine), Shiraoi-cho, Shiraoi-gun, Iburi Subprefecture, Hokkaidō, Japani
Regional Level Types
Minamishiraoi deposits (Minamishiraoi baryte mine)Group of Deposits
Shiraoi-cho- not defined -
Shiraoi-gun- not defined -
Iburi SubprefectureSubprefecture
HokkaidōPrefecture
JapanCountry

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Latitude & Longitude (WGS84):
42° 39' 39'' North , 141° 13' 33'' East
Latitude & Longitude (decimal):
Locality type:
Group of Deposits
Nearest Settlements:
PlacePopulationDistance
Shiraoi20,804 (2017)16.0km
Tomakomai174,806 (2017)31.0km
Date35,301 (2017)36.3km
Chitose92,942 (2017)39.0km
Muroran96,197 (2017)42.9km
Name(s) in local language(s):
南白老バライト鉱山, 北海道 (胆振総合振興局) 白老郡 白老町 森野


Kuroko-type barite deposit, replacing Tertiary volcanic rocks. Kaolin clay occurring widely and abundantly in the argillized zone, is also being exploited.
This baryte mine was started in 1950, and closed in 1988 due to heavy landslide (a mine worker dead).

Regions containing this locality

AsiaContinent
Okhotsk PlateTectonic Plate

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


7 valid minerals.

Detailed Mineral List:

Baryte
Formula: BaSO4
Reference: Yoneda, T. (1993). Barite ores and alteration minerals of the Minamishiraoi Kuroko-type barite deposit, southwestern Hokkaido, Japan: Implication for the environment of ore formation. Resource Geology Special Issue, (17), 120-131.; 米田哲朗. (1989). 北海道南白老重晶石・カオリン鉱床の粘土鉱物組成. 粘土科学, 29(2), 69-80.
'Chlorite Group'
Reference: 米田哲朗. (1989). 北海道南白老重晶石・カオリン鉱床の粘土鉱物組成. 粘土科学, 29(2), 69-80.
Dickite
Formula: Al2(Si2O5)(OH)4
Reference: 米田哲朗. (1989). 北海道南白老重晶石・カオリン鉱床の粘土鉱物組成. 粘土科学, 29(2), 69-80.
'Halloysite'
Formula: Al2(Si2O5)(OH)4
Reference: 米田哲朗. (1989). 北海道南白老重晶石・カオリン鉱床の粘土鉱物組成. 粘土科学, 29(2), 69-80.
Kaolinite
Formula: Al2(Si2O5)(OH)4
Reference: 米田哲朗. (1989). 北海道南白老重晶石・カオリン鉱床の粘土鉱物組成. 粘土科学, 29(2), 69-80.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: 米田哲朗. (1989). 北海道南白老重晶石・カオリン鉱床の粘土鉱物組成. 粘土科学, 29(2), 69-80.
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Reference: 米田哲朗. (1989). 北海道南白老重晶石・カオリン鉱床の粘土鉱物組成. 粘土科学, 29(2), 69-80.
Nacrite
Formula: Al2(Si2O5)(OH)4
Reference: 米田哲朗. (1989). 北海道南白老重晶石・カオリン鉱床の粘土鉱物組成. 粘土科学, 29(2), 69-80.
'Smectite Group'
Formula: A0.3D2-3[T4O10]Z2 · nH2O
Reference: 米田哲朗. (1989). 北海道南白老重晶石・カオリン鉱床の粘土鉱物組成. 粘土科学, 29(2), 69-80.
Sudoite
Formula: Mg2Al3(Si3Al)O10)(OH)8
Reference: 米田哲朗. (1989). 北海道南白老重晶石・カオリン鉱床の粘土鉱物組成. 粘土科学, 29(2), 69-80.
Tosudite
Formula: Na0.5(Al,Mg)6((Si,Al)8O18)(OH)12 · 5H2O
Reference: 米田哲朗. (1989). 北海道南白老重晶石・カオリン鉱床の粘土鉱物組成. 粘土科学, 29(2), 69-80.

List of minerals arranged by Strunz 10th Edition classification

Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Group 9 - Silicates
Dickite9.ED.05Al2(Si2O5)(OH)4
'Halloysite'9.ED.10Al2(Si2O5)(OH)4
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Nacrite9.ED.05Al2(Si2O5)(OH)4
Sudoite9.EC.55Mg2Al3(Si3Al)O10)(OH)8
Tosudite9.EC.60Na0.5(Al,Mg)6((Si,Al)8O18)(OH)12 · 5H2O
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-
'Smectite Group'-A0.3D2-3[T4O10]Z2 · nH2O

List of minerals arranged by Dana 8th Edition classification

Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Dickite71.1.1.1Al2(Si2O5)(OH)4
'Halloysite'71.1.1.4Al2(Si2O5)(OH)4
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
Tosudite71.4.2.4Na0.5(Al,Mg)6((Si,Al)8O18)(OH)12 · 5H2O
Unclassified Minerals, Mixtures, etc.
'Chlorite Group'-
Kaolinite-Al2(Si2O5)(OH)4
Muscovite
var: Sericite
-KAl2(AlSi3O10)(OH)2
Nacrite-Al2(Si2O5)(OH)4
'Smectite Group'-A0.3D2-3[T4O10]Z2 · nH2O

List of minerals for each chemical element

HHydrogen
H KaoliniteAl2(Si2O5)(OH)4
H Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
H HalloysiteAl2(Si2O5)(OH)4
H DickiteAl2(Si2O5)(OH)4
H NacriteAl2(Si2O5)(OH)4
H Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
H SudoiteMg2Al3(Si3Al)O10)(OH)8
H TosuditeNa0.5(Al,Mg)6((Si,Al)8O18)(OH)12 · 5H2O
H MuscoviteKAl2(AlSi3O10)(OH)2
OOxygen
O BaryteBaSO4
O KaoliniteAl2(Si2O5)(OH)4
O Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
O HalloysiteAl2(Si2O5)(OH)4
O DickiteAl2(Si2O5)(OH)4
O NacriteAl2(Si2O5)(OH)4
O Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
O SudoiteMg2Al3(Si3Al)O10)(OH)8
O TosuditeNa0.5(Al,Mg)6((Si,Al)8O18)(OH)12 · 5H2O
O MuscoviteKAl2(AlSi3O10)(OH)2
NaSodium
Na TosuditeNa0.5(Al,Mg)6((Si,Al)8O18)(OH)12 · 5H2O
MgMagnesium
Mg SudoiteMg2Al3(Si3Al)O10)(OH)8
Mg TosuditeNa0.5(Al,Mg)6((Si,Al)8O18)(OH)12 · 5H2O
AlAluminium
Al KaoliniteAl2(Si2O5)(OH)4
Al HalloysiteAl2(Si2O5)(OH)4
Al DickiteAl2(Si2O5)(OH)4
Al NacriteAl2(Si2O5)(OH)4
Al Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Al SudoiteMg2Al3(Si3Al)O10)(OH)8
Al TosuditeNa0.5(Al,Mg)6((Si,Al)8O18)(OH)12 · 5H2O
Al MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Si KaoliniteAl2(Si2O5)(OH)4
Si HalloysiteAl2(Si2O5)(OH)4
Si DickiteAl2(Si2O5)(OH)4
Si NacriteAl2(Si2O5)(OH)4
Si Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Si SudoiteMg2Al3(Si3Al)O10)(OH)8
Si TosuditeNa0.5(Al,Mg)6((Si,Al)8O18)(OH)12 · 5H2O
Si MuscoviteKAl2(AlSi3O10)(OH)2
SSulfur
S BaryteBaSO4
KPotassium
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
K MuscoviteKAl2(AlSi3O10)(OH)2
BaBarium
Ba BaryteBaSO4

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: 3189986
Cenozoic volcanic rocks

Age: Cenozoic (0 - 23.03 Ma)

Lithology: Felsic 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)
Yoneda, T. (1993). Barite ores and alteration minerals of the Minamishiraoi Kuroko-type barite deposit, southwestern Hokkaido, Japan: Implication for the environment of ore formation. Resource Geology Special Issue, (17), 120-131.
米田哲朗. (1989). 北海道南白老重晶石・カオリン鉱床の粘土鉱物組成. 粘土科学, 29(2), 69-80. Yoneda Tetsuro (1989) Clay Mineral Composition of the Minamishiraoi Barite-Kaolin Deposits, Hokkaido, Japan. [in Japanese] Nendo Kagaku 29(2), 69-80


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