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Horoman peridotite body, Samani-cho, Samani District, Hidaka Subprefecture, Hokkaidō Prefecture, Japani
Regional Level Types
Horoman peridotite body- not defined -
Samani-cho- not defined -
Samani DistrictDistrict
Hidaka SubprefectureSubprefecture
Hokkaidō PrefecturePrefecture
JapanCountry

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PhotosMapsSearch
06815350017271981537627.jpg
Horoman kozan open and operational parts

Horoman mine, Horoman peridotite body, Samani-cho, Samani District, Hidaka Subprefecture, Hokkaidō Prefecture, Japan
00165920017272059799288.jpg
Horomanite, etc.

Horoman peridotite body, Samani-cho, Samani District, Hidaka Subprefecture, Hokkaidō Prefecture, Japan
07856190017570514615699.jpg
Peridotite

Horoman peridotite body, Samani-cho, Samani District, Hidaka Subprefecture, Hokkaidō Prefecture, Japan
06815350017271981537627.jpg
Horoman kozan open and operational parts

Horoman mine, Horoman peridotite body, Samani-cho, Samani District, Hidaka Subprefecture, Hokkaidō Prefecture, Japan
08293640017367254415505.jpg
Horomanite, etc.

Horoman peridotite body, Samani-cho, Samani District, Hidaka Subprefecture, Hokkaidō Prefecture, Japan
03251630017570509641550.jpg
Peridotite

Horoman peridotite body, Samani-cho, Samani District, Hidaka Subprefecture, Hokkaidō Prefecture, Japan
06815350017271981537627.jpg
Horoman kozan open and operational parts

Horoman mine, Horoman peridotite body, Samani-cho, Samani District, Hidaka Subprefecture, Hokkaidō Prefecture, Japan
00165920017272059799288.jpg
Horomanite, etc.

Horoman peridotite body, Samani-cho, Samani District, Hidaka Subprefecture, Hokkaidō Prefecture, Japan
Latitude & Longitude (WGS84):
42° 4' 41'' North , 143° 2' 31'' East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~0km
GRN:
N29E76
Köppen climate type:
Dfb : Warm-summer humid continental climate
Mindat Locality ID:
69355
Long-form identifier:
mindat:1:2:69355:7
GUID (UUID V4):
0


Complex peridotite body, with three peridotite suites :
1) Harzburgite / lherzolite suite
2) Banded dunite / harzburgite suite (cumulate)
3) Spinel-rich dunite / wehrlite suite (cumulate)

The structure of the peridotite body is layered, two main zones have been distinguished :
- Upper zone (600 meter thick) : Core of an ascending mantle diapir (with thermal gradient), with plagioclase lherzolites and harzburgites, and mafic layers.
- Lower zone (2200 meter thick) : Margin of an ascending mantle diapir, with cyclic layers plagioclase lherzolite/lherzolite/harzburgite/dunite/harzburgite/lherzolite/plagioclase lherzolite (with mafic layers).

The garnet peridotite (830 Ma) grades into a plagioclase peridotite during ascension.

The Horoman peridotite is a MORB-related oceanic mantle subsided to deeper mantle depth, before crustal ascension and emplacement (23 Ma).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

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

28 valid minerals. 3 (TL) - type locality of valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ 'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ Anorthite
Formula: Ca(Al2Si2O8)
Description: Exhumation of peridotite : corundum + clinopyroxene --> Plagioclase.
ⓘ Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘ Bornite
Formula: Cu5FeS4
ⓘ Carrollite
Formula: CuCo2S4
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Chromite
Formula: Fe2+Cr3+2O4
ⓘ 'Clinopyroxene Subgroup'
Localities: Reported from at least 6 localities in this region.
ⓘ Corundum
Formula: Al2O3
Description: Exhumation of peridotite : corundum + clinopyroxene --> Plagioclase.
ⓘ Diopside
Formula: CaMgSi2O6
ⓘ Diopside var. Chromium-bearing Diopside
Formula: Ca(Mg,Cr)Si2O6
ⓘ Enstatite
Formula: Mg2Si2O6
ⓘ Enstatite var. Bronzite
Formula: (Mg,Fe2+)2[SiO3]2
ⓘ 'Fayalite-Forsterite Series'
ⓘ Forsterite
Formula: Mg2SiO4
Localities: Reported from at least 6 localities in this region.
ⓘ Heazlewoodite
Formula: Ni3S2
ⓘ Hercynite
Formula: Fe2+Al2O4
ⓘ Hercynite var. Picotite
Formula: (Fe,Mg)(Al,Cr)2O4
ⓘ Horomanite (TL)
Formula: Fe6Ni3S8
Type Locality:
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ Kaersutite
Formula: NaCa2(Mg3AlTi4+)(Si6Al2)O22O2
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Magnetite var. Titanium-bearing Magnetite
Formula: Fe2+(Fe3+,Ti)2O4
ⓘ Native Copper
Formula: Cu
ⓘ 'Orthopyroxene Subgroup'
ⓘ Pargasite
Formula: NaCa2(Mg4Al)(Si6Al2)O22(OH)2
Description: Ti-pargasite.
ⓘ Pentlandite
Formula: (NixFey)Σ9S8
ⓘ Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
ⓘ Pyrope
Formula: Mg3Al2(SiO4)3
ⓘ Pyrrhotite
Formula: Fe1-xS
ⓘ Pyrrhotite var. Nickel-bearing Pyrrhotite
Formula: (Fe,Ni)7S8
ⓘ Samaniite (TL)
Formula: Cu2Fe5Ni2S8
Type Locality:
ⓘ 'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
ⓘ Siegenite
Formula: CoNi2S4
ⓘ Spinel
Formula: MgAl2O4
Localities: Reported from at least 6 localities in this region.
Description: Symplectites with pyroxene.
ⓘ Sugakiite (TL)
Formula: Cu(Fe,Ni)8S8
ⓘ Talnakhite
Formula: Cu9(Fe,Ni)8S16
ⓘ 'Tourmaline'
Formula: AD3G6(T6O18)(BO3)3X3Z
Description: In a pegmatite dyke. Labelled "elbaite" but apparently not analyzed.
ⓘ Troilite
Formula: FeS

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Copper1.AA.05Cu
Group 2 - Sulphides and Sulfosalts
ⓘBornite2.BA.15Cu5FeS4
ⓘHoromanite (TL)2.BB.Fe6Ni3S8
ⓘSamaniite (TL)2.BB.Cu2Fe5Ni2S8
ⓘHeazlewoodite2.BB.05Ni3S2
ⓘPentlandite2.BB.15(NixFey)Σ9S8
ⓘSugakiite (TL)2.BB.15Cu(Fe,Ni)8S8
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘTalnakhite2.CB.10bCu9(Fe,Ni)8S16
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘTroilite2.CC.10FeS
ⓘPyrrhotite
var. Nickel-bearing Pyrrhotite		2.CC.10(Fe,Ni)7S8
ⓘCarrollite2.DA.05CuCo2S4
ⓘSiegenite2.DA.05CoNi2S4
Group 4 - Oxides and Hydroxides
ⓘChromite4.BB.05Fe2+Cr3+2O4
ⓘHercynite4.BB.05Fe2+Al2O4
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘSpinel4.BB.05MgAl2O4
ⓘMagnetite
var. Titanium-bearing Magnetite		4.BB.05Fe2+(Fe3+,Ti)2O4
ⓘHercynite
var. Picotite		4.BB.05(Fe,Mg)(Al,Cr)2O4
ⓘCorundum4.CB.05Al2O3
ⓘIlmenite4.CB.05Fe2+TiO3
Group 9 - Silicates
ⓘForsterite9.AC.05Mg2SiO4
ⓘPyrope9.AD.25Mg3Al2(SiO4)3
ⓘEnstatite9.DA.05Mg2Si2O6
ⓘvar. Bronzite9.DA.05(Mg,Fe2+)2[SiO3]2
ⓘAugite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘDiopside
var. Chromium-bearing Diopside		9.DA.15Ca(Mg,Cr)Si2O6
ⓘ9.DA.15CaMgSi2O6
ⓘKaersutite9.DE.15NaCa2(Mg3AlTi4+)(Si6Al2)O22O2
ⓘPargasite9.DE.15NaCa2(Mg4Al)(Si6Al2)O22(OH)2
ⓘPhlogopite9.EC.20KMg3(AlSi3O10)(OH)2
ⓘAnorthite9.FA.35Ca(Al2Si2O8)
Unclassified
ⓘ'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ'Tourmaline'-AD3G6(T6O18)(BO3)3X3Z
ⓘ'Clinopyroxene Subgroup'-
ⓘ'Fayalite-Forsterite Series'-
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'Orthopyroxene Subgroup'-
ⓘ'Serpentine Subgroup'-D3[Si2O5](OH)4

List of minerals for each chemical element

HHydrogen
Hⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Hⓘ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Hⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Hⓘ Serpentine SubgroupD3[Si2O5](OH)4
BBoron
Bⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
OOxygen
Oⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Oⓘ AnorthiteCa(Al2Si2O8)
Oⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Oⓘ Diopside var. Chromium-bearing DiopsideCa(Mg,Cr)Si2O6
Oⓘ ChromiteFe2+Cr23+O4
Oⓘ CorundumAl2O3
Oⓘ DiopsideCaMgSi2O6
Oⓘ EnstatiteMg2Si2O6
Oⓘ ForsteriteMg2SiO4
Oⓘ HercyniteFe2+Al2O4
Oⓘ IlmeniteFe2+TiO3
Oⓘ KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Oⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Oⓘ PyropeMg3Al2(SiO4)3
Oⓘ SpinelMgAl2O4
Oⓘ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Oⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
Oⓘ Enstatite var. Bronzite(Mg,Fe2+)2[SiO3]2
Oⓘ Fayalite-Forsterite Series
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ Hercynite var. Picotite(Fe,Mg)(Al,Cr)2O4
Oⓘ Serpentine SubgroupD3[Si2O5](OH)4
FFluorine
Fⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
NaSodium
Naⓘ KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Naⓘ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mgⓘ Diopside var. Chromium-bearing DiopsideCa(Mg,Cr)Si2O6
Mgⓘ DiopsideCaMgSi2O6
Mgⓘ EnstatiteMg2Si2O6
Mgⓘ ForsteriteMg2SiO4
Mgⓘ KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Mgⓘ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Mgⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Mgⓘ PyropeMg3Al2(SiO4)3
Mgⓘ SpinelMgAl2O4
Mgⓘ Enstatite var. Bronzite(Mg,Fe2+)2[SiO3]2
Mgⓘ Fayalite-Forsterite Series
Mgⓘ Hercynite var. Picotite(Fe,Mg)(Al,Cr)2O4
AlAluminium
Alⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Alⓘ AnorthiteCa(Al2Si2O8)
Alⓘ CorundumAl2O3
Alⓘ HercyniteFe2+Al2O4
Alⓘ KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Alⓘ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Alⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Alⓘ PyropeMg3Al2(SiO4)3
Alⓘ SpinelMgAl2O4
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Alⓘ Hercynite var. Picotite(Fe,Mg)(Al,Cr)2O4
SiSilicon
Siⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Siⓘ AnorthiteCa(Al2Si2O8)
Siⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Siⓘ Diopside var. Chromium-bearing DiopsideCa(Mg,Cr)Si2O6
Siⓘ DiopsideCaMgSi2O6
Siⓘ EnstatiteMg2Si2O6
Siⓘ ForsteriteMg2SiO4
Siⓘ KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Siⓘ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Siⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Siⓘ PyropeMg3Al2(SiO4)3
Siⓘ Enstatite var. Bronzite(Mg,Fe2+)2[SiO3]2
Siⓘ Fayalite-Forsterite Series
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siⓘ Serpentine SubgroupD3[Si2O5](OH)4
SSulfur
Sⓘ BorniteCu5FeS4
Sⓘ CarrolliteCuCo2S4
Sⓘ ChalcopyriteCuFeS2
Sⓘ HeazlewooditeNi3S2
Sⓘ Pentlandite(NixFey)Σ9S8
Sⓘ PyrrhotiteFe1-xS
Sⓘ SiegeniteCoNi2S4
Sⓘ TalnakhiteCu9(Fe,Ni)8S16
Sⓘ TroiliteFeS
Sⓘ Pyrrhotite var. Nickel-bearing Pyrrhotite(Fe,Ni)7S8
Sⓘ SugakiiteCu(Fe,Ni)8S8
Sⓘ HoromaniteFe6Ni3S8
Sⓘ SamaniiteCu2Fe5Ni2S8
ClChlorine
Clⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
KPotassium
Kⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
CaCalcium
Caⓘ AnorthiteCa(Al2Si2O8)
Caⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Caⓘ Diopside var. Chromium-bearing DiopsideCa(Mg,Cr)Si2O6
Caⓘ DiopsideCaMgSi2O6
Caⓘ KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Caⓘ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
TiTitanium
Tiⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Tiⓘ IlmeniteFe2+TiO3
Tiⓘ KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Tiⓘ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
CrChromium
Crⓘ Diopside var. Chromium-bearing DiopsideCa(Mg,Cr)Si2O6
Crⓘ ChromiteFe2+Cr23+O4
Crⓘ Hercynite var. Picotite(Fe,Mg)(Al,Cr)2O4
FeIron
Feⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Feⓘ BorniteCu5FeS4
Feⓘ ChalcopyriteCuFeS2
Feⓘ ChromiteFe2+Cr23+O4
Feⓘ HercyniteFe2+Al2O4
Feⓘ IlmeniteFe2+TiO3
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ Pentlandite(NixFey)Σ9S8
Feⓘ PyrrhotiteFe1-xS
Feⓘ TalnakhiteCu9(Fe,Ni)8S16
Feⓘ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Feⓘ TroiliteFeS
Feⓘ Enstatite var. Bronzite(Mg,Fe2+)2[SiO3]2
Feⓘ Fayalite-Forsterite Series
Feⓘ Hercynite var. Picotite(Fe,Mg)(Al,Cr)2O4
Feⓘ Pyrrhotite var. Nickel-bearing Pyrrhotite(Fe,Ni)7S8
Feⓘ SugakiiteCu(Fe,Ni)8S8
Feⓘ HoromaniteFe6Ni3S8
Feⓘ SamaniiteCu2Fe5Ni2S8
CoCobalt
Coⓘ CarrolliteCuCo2S4
Coⓘ SiegeniteCoNi2S4
NiNickel
Niⓘ HeazlewooditeNi3S2
Niⓘ Pentlandite(NixFey)Σ9S8
Niⓘ SiegeniteCoNi2S4
Niⓘ TalnakhiteCu9(Fe,Ni)8S16
Niⓘ Pyrrhotite var. Nickel-bearing Pyrrhotite(Fe,Ni)7S8
Niⓘ SugakiiteCu(Fe,Ni)8S8
Niⓘ HoromaniteFe6Ni3S8
Niⓘ SamaniiteCu2Fe5Ni2S8
CuCopper
Cuⓘ BorniteCu5FeS4
Cuⓘ CarrolliteCuCo2S4
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ Native CopperCu
Cuⓘ TalnakhiteCu9(Fe,Ni)8S16
Cuⓘ SugakiiteCu(Fe,Ni)8S8
Cuⓘ SamaniiteCu2Fe5Ni2S8

Localities in this Region

Japan

Other Regions, Features and Areas containing this locality

AsiaContinent
Eurasian Plate
Okhotsk PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Takazawa, E., Frey, F. A., Shimizu, N., Saal, A., Obata, M. (1999) Polybaric Petrogenesis of Mafic Layers in the Horoman Peridotite Complex, Japan. Journal of Petrology, 40 (12) 1827-1851 doi:10.1093/petroj/40.12.1827
MORISHITA, TOMOAKI, ARAI, SHOJI (2001) Petrogenesis of Corundum-Bearing Mafic Rock in the Horoman Peridotite Complex, Japan. Journal of Petrology, 42 (7) 1279-1299 doi:10.1093/petrology/42.7.1279
Malaviarachchi, Sanjeewa P. K., Makishima, Akio, Nakamura, Eizo (2010) Melt–Peridotite Reactions and Fluid Metasomatism in the Upper Mantle, Revealed from the Geochemistry of Peridotite and Gabbro from the Horoman Peridotite Massif, Japan. Journal of Petrology, 51 (7) 1417-1445 doi:10.1093/petrology/egq024
Kitakaze, Arashi, Itoh, Hironori, Komatsu, Ryuichi (2011) Horomanite, (Fe,Ni,Co,Cu)9S8, and samaniite, Cu2(Fe,Ni)7S8, new mineral species from the Horoman peridotite massif, Hokkaido, Japan. Journal of Mineralogical and Petrological Sciences, 106 (4) 204-210 doi:10.2465/jmps.110502
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