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Hachimantai geothermal area, Iwate, Japani
Regional Level Types
Hachimantai geothermal areaArea
IwatePrefecture
JapanCountry

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Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude: 39° North , 141° East (est.)
Margin of Error:~100km
Locality type:Area


8002 km volcanic field

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Standard Detailed Strunz Dana Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

6 valid minerals.

Detailed Mineral List:

β“˜ Buddingtonite
Formula: (NH4)(AlSi3)O8
β“˜ Gypsum
Formula: CaSO4 · 2H2O
β“˜ Laumontite
Formula: CaAl2Si4O12 · 4H2O
β“˜ Montmorillonite
Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
β“˜ Pyrite
Formula: FeS2
β“˜ Wairakite
Formula: Ca(Al2Si4O12) · 2H2O
Reference: Yotaro Seki (1973) Distribution and Modes of Occurrence of Wairakites in the Japanese Island Arc The Journal of the Geological Society of Japan 79:521-527

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
β“˜'Pyrite'2.EB.05aFeS2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
β“˜'Gypsum'7.CD.40CaSO4 · 2H2O
Group 9 - Silicates
β“˜'Buddingtonite'9.FA.30(NH4)(AlSi3)O8
β“˜'Laumontite'9.GB.10CaAl2Si4O12 · 4H2O
β“˜'Montmorillonite'9.EC.40(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
β“˜'Wairakite'9.GB.05Ca(Al2Si4O12) · 2H2O

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
β“˜Pyrite2.12.1.1FeS2
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
β“˜Gypsum29.6.3.1CaSO4 · 2H2O
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 clays
β“˜Montmorillonite71.3.1a.2(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
β“˜Buddingtonite76.1.2.1(NH4)(AlSi3)O8
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
β“˜Laumontite77.1.1.4CaAl2Si4O12 · 4H2O
β“˜Wairakite77.1.1.3Ca(Al2Si4O12) · 2H2O

List of minerals for each chemical element

HHydrogen
Hβ“˜ Buddingtonite(NH4)(AlSi3)O8
Hβ“˜ GypsumCaSO4 · 2H2O
Hβ“˜ LaumontiteCaAl2Si4O12 · 4H2O
Hβ“˜ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Hβ“˜ WairakiteCa(Al2Si4O12) · 2H2O
NNitrogen
Nβ“˜ Buddingtonite(NH4)(AlSi3)O8
OOxygen
Oβ“˜ Buddingtonite(NH4)(AlSi3)O8
Oβ“˜ GypsumCaSO4 · 2H2O
Oβ“˜ LaumontiteCaAl2Si4O12 · 4H2O
Oβ“˜ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Oβ“˜ WairakiteCa(Al2Si4O12) · 2H2O
NaSodium
Naβ“˜ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
MgMagnesium
Mgβ“˜ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
AlAluminium
Alβ“˜ Buddingtonite(NH4)(AlSi3)O8
Alβ“˜ LaumontiteCaAl2Si4O12 · 4H2O
Alβ“˜ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Alβ“˜ WairakiteCa(Al2Si4O12) · 2H2O
SiSilicon
Siβ“˜ Buddingtonite(NH4)(AlSi3)O8
Siβ“˜ LaumontiteCaAl2Si4O12 · 4H2O
Siβ“˜ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Siβ“˜ WairakiteCa(Al2Si4O12) · 2H2O
SSulfur
Sβ“˜ GypsumCaSO4 · 2H2O
Sβ“˜ PyriteFeS2
CaCalcium
Caβ“˜ GypsumCaSO4 · 2H2O
Caβ“˜ LaumontiteCaAl2Si4O12 · 4H2O
Caβ“˜ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Caβ“˜ WairakiteCa(Al2Si4O12) · 2H2O
FeIron
Feβ“˜ PyriteFeS2

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Yotaro Seki (1973) Distribution and Modes of Occurrence of Wairakites in the Japanese Island Arc The Journal of the Geological Society of Japan 79:521-527
Wohletz, Kenneth, and Grant Heiken. Volcanology and Geothermal Energy. Berkeley: University of California Press, 1992.

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