Higashi-Akaishi dunite, Higashi-Akaishi Ultrahigh-Pressure Peridotite Complex, Ehime prefecture, Japani
| Regional Level Types | |
|---|---|
| Higashi-Akaishi dunite | Complex |
| Higashi-Akaishi Ultrahigh-Pressure Peridotite Complex | Complex |
| Ehime prefecture | Prefecture |
| Japan | Country |
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Locality type:
5km long dunite body, mainly massive dunite, serpentinized along the margins, and including some thin pyroxenite layers, eclogite lenses, and chromite veins. (See also under "Akaishi mine".)
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Standard Detailed Gallery Strunz Chemical ElementsMineral List
12 valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
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Alphabetical List Tree DiagramDetailed Mineral List:
| β Awaruite Formula: Ni3Fe Reference: Kadota, R., Minakawa, T., Tanaka, T. (2008) Orcelite from Higashi-akaishi peridotite mass, Ehime prefecture. Abstracts for 2008 Annual Meeting of Japan Association of Mineralogical Sciences, Session ID R4-P07: 118. |
| β Calcite Formula: CaCO3 Reference: M. Yamaguchi (1961) Mem. Fac. Sci., Kyushu University, Ser. D, Geology, 10, 2, 233-245. |
β Chromio-pargasite Formula: {Na}{Ca2}{Mg4Cr3+}(Al2Si6O22)(OH)2 Reference: Nishio-Hamane, D., Ohnishi, M., Minakawa, T., Yamaura, J., Saito, S. & Kadota, R. (2012): Ehimeite, NaCa2Mg4CrSi6Al2O22(OH)2: the first Cr-dominant amphibole from the Akaishi Mine, Higashi-Akaishi Mountain, Ehime Prefecture, Japan. Journal of Mineralogical and Petrological Sciences, 107, 1-7. |
| β Chromite Formula: Fe2+Cr3+2O4 Reference: M. Yamaguchi (1961) Mem. Fac. Sci., Kyushu University, Ser. D, Geology, 10, 2, 233-245. |
| β Copper Formula: Cu Reference: Kadota, R., Minakawa, T., Tanaka, T. (2008) Orcelite from Higashi-akaishi peridotite mass, Ehime prefecture. Abstracts for 2008 Annual Meeting of Japan Association of Mineralogical Sciences, Session ID R4-P07: 118. |
| β Diopside Formula: CaMgSi2O6 Reference: M. Yamaguchi (1961) Mem. Fac. Sci., Kyushu University, Ser. D, Geology, 10, 2, 233-245. |
| β Diopside var. Chromium-bearing Diopside Formula: Ca(Mg,Cr)Si2O6 Reference: M. Yamaguchi (1961) Mem. Fac. Sci., Kyushu University, Ser. D, Geology, 10, 2, 233-245. |
| β Forsterite Formula: Mg2SiO4 Reference: M. Yamaguchi (1961) Mem. Fac. Sci., Kyushu University, Ser. D, Geology, 10, 2, 233-245. |
| β 'Garnet Group' Formula: X3Z2(SiO4)3 Reference: M. Yamaguchi (1961) Mem. Fac. Sci., Kyushu University, Ser. D, Geology, 10, 2, 233-245. |
| β Heazlewoodite Formula: Ni3S2 Reference: Kadota, R., Minakawa, T., Tanaka, T. (2008) Orcelite from Higashi-akaishi peridotite mass, Ehime prefecture. Abstracts for 2008 Annual Meeting of Japan Association of Mineralogical Sciences, Session ID R4-P07: 118. |
| β Irarsite Formula: (Ir,Ru,Rh,Pt)AsS Reference: Kadota, R., Minakawa, T., Tanaka, T. (2008) Orcelite from Higashi-akaishi peridotite mass, Ehime prefecture. Abstracts for 2008 Annual Meeting of Japan Association of Mineralogical Sciences, Session ID R4-P07: 118. |
| β Nickel Formula: Ni Reference: Kadota, R., Minakawa, T., Tanaka, T. (2008) Orcelite from Higashi-akaishi peridotite mass, Ehime prefecture. Abstracts for 2008 Annual Meeting of Japan Association of Mineralogical Sciences, Session ID R4-P07: 118. |
| β Orcelite Formula: Ni5-xAs2, x ~ 0.25 Reference: Kadota, R., Minakawa, T., Tanaka, T. (2008) Orcelite from Higashi-akaishi peridotite mass, Ehime prefecture. Abstracts for 2008 Annual Meeting of Japan Association of Mineralogical Sciences, Session ID R4-P07: 118. |
| β Pentlandite Formula: (NixFey)Ξ£9S8 Reference: Kadota, R., Minakawa, T., Tanaka, T. (2008) Orcelite from Higashi-akaishi peridotite mass, Ehime prefecture. Abstracts for 2008 Annual Meeting of Japan Association of Mineralogical Sciences, Session ID R4-P07: 118. |
| β 'Pyroxene Group' Formula: ADSi2O6 Reference: M. Yamaguchi (1961) Mem. Fac. Sci., Kyushu University, Ser. D, Geology, 10, 2, 233-245. |
| β 'Serpentine Subgroup' Formula: D3[Si2O5](OH)4 Reference: M. Yamaguchi (1961) Mem. Fac. Sci., Kyushu University, Ser. D, Geology, 10, 2, 233-245. |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| β | Awaruite | 1.AE.20 | Ni3Fe |
| β | Copper | 1.AA.05 | Cu |
| β | Nickel | 1.AA.05 | Ni |
| Group 2 - Sulphides and Sulfosalts | |||
| β | Heazlewoodite | 2.BB.05 | Ni3S2 |
| β | Irarsite | 2.EB.25 | (Ir,Ru,Rh,Pt)AsS |
| β | Orcelite | 2.AB.10 | Ni5-xAs2, x ~ 0.25 |
| β | Pentlandite | 2.BB.15 | (NixFey)Ξ£9S8 |
| Group 4 - Oxides and Hydroxides | |||
| β | Chromite | 4.BB.05 | Fe2+Cr3+2O4 |
| Group 5 - Nitrates and Carbonates | |||
| β | Calcite | 5.AB.05 | CaCO3 |
| Group 9 - Silicates | |||
| β | Chromio-pargasite | 9.DE.15 | {Na}{Ca2}{Mg4Cr3+}(Al2Si6O22)(OH)2 |
| β | Diopside | 9.DA.15 | CaMgSi2O6 |
| β | var. Chromium-bearing Diopside | 9.DA.15 | Ca(Mg,Cr)Si2O6 |
| β | Forsterite | 9.AC.05 | Mg2SiO4 |
| Unclassified Minerals, Rocks, etc. | |||
| β | 'Garnet Group' | - | X3Z2(SiO4)3 |
| β | 'Pyroxene Group' | - | ADSi2O6 |
| β | 'Serpentine Subgroup' | - | D3[Si2O5](OH)4 |
List of minerals for each chemical element
References
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Year (asc) Year (desc) Author (A-Z) Author (Z-A)Kadota, R., Minakawa, T., Tanaka, T. (2008) Orcelite from Higashi-akaishi peridotite mass, Ehime prefecture. Abstracts for 2008 Annual Meeting of Japan Association of Mineralogical Sciences, Session ID R4-P07: 118. https://www.jstage.jst.go.jp/article/jakoka/2008/0/2008_0_118/_article/-char/en
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Higashi-Akaishi dunite, Higashi-Akaishi Ultrahigh-Pressure Peridotite Complex, Ehime prefecture, Japan