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Fujiwara dunite, Shikokuchuo City, Ehime Prefecture, Japani
Regional Level Types
Fujiwara duniteOutcrop
Shikokuchuo CityCity
Ehime PrefecturePrefecture
JapanCountry

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Latitude & Longitude (WGS84):
33° 53' 20'' North , 133° 28' 50'' East
Latitude & Longitude (decimal):
33.88894,133.48062
GRN:
N23E80
Type:
Outcrop
Köppen climate type:
Cfa : Humid subtropical climate
Nearest Settlements:
PlacePopulationDistance
Kawanoechō37,641 (2017)16.8km
Niihama123,059 (2017)18.0km
Saijō58,823 (2017)27.6km
Kan’onjichō44,363 (2016)30.6km
Ikedachō15,895 (2017)33.8km
Mindat Locality ID:
398286
Long-form identifier:
mindat:1:2:398286:3
GUID (UUID V4):
0


Partly serpentinized (antigoritized) dunite in the the Sanbagawa metamorphic belt, a subducting slab complex of the Cretaceous age. The Fujiwara dunite body (less than 200 × 400 m in plan) is part of an ultramafic-mafic complex, enclosed by pelitic schists of a high-temperature part of the biotite zone to garnet-biotite transition zone.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


11 valid minerals.

Rock Types Recorded


Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Antigorite
Formula: Mg3(Si2O5)(OH)4
ⓘ Awaruite
Formula: Ni3Fe
ⓘ 'Chlorite Group'
ⓘ 'Chrome-Spinel (of Dana)'
ⓘ Clinohumite
Formula: Mg9(SiO4)4F2
ⓘ Dolomite
Formula: CaMg(CO3)2
ⓘ 'Fayalite-Forsterite Series'
ⓘ 'Ferritchromit'
ⓘ Heazlewoodite
Formula: Ni3S2
ⓘ Hydroxylclinohumite var. Titanclinohumite
Formula: (Mg,Ti)9(SiO4)4(OH,O,F)2
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Maucherite
Formula: Ni11As8
ⓘ Millerite
Formula: NiS
ⓘ Orcelite
Formula: Ni5-xAs2, x ~ 0.25
ⓘ Theophrastite
Formula: Ni(OH)2
ⓘ Zaratite
Formula: Ni3(CO3)(OH)4 · 4H2O ?

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘAwaruite1.AE.20Ni3Fe
Group 2 - Sulphides and Sulfosalts
ⓘOrcelite2.AB.10Ni5-xAs2, x ~ 0.25
ⓘMaucherite2.AB.15Ni11As8
ⓘHeazlewoodite2.BB.05Ni3S2
ⓘMillerite2.CC.20NiS
Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘTheophrastite4.FE.05Ni(OH)2
Group 5 - Nitrates and Carbonates
ⓘDolomite5.AB.10CaMg(CO3)2
ⓘZaratite5.DA.15Ni3(CO3)(OH)4 · 4H2O ?
Group 9 - Silicates
ⓘClinohumite9.AF.55Mg9(SiO4)4F2
ⓘHydroxylclinohumite
var. Titanclinohumite		9.AF.55(Mg,Ti)9(SiO4)4(OH,O,F)2
ⓘAntigorite9.ED.15Mg3(Si2O5)(OH)4
Unclassified
ⓘ'Chlorite Group'-
ⓘ'Fayalite-Forsterite Series'-
ⓘ'Chrome-Spinel (of Dana)'-
ⓘ'Ferritchromit'-

List of minerals for each chemical element

HHydrogen
Hⓘ AntigoriteMg3(Si2O5)(OH)4
Hⓘ TheophrastiteNi(OH)2
Hⓘ ZaratiteNi3(CO3)(OH)4 · 4H2O ?
Hⓘ Hydroxylclinohumite var. Titanclinohumite(Mg,Ti)9(SiO4)4(OH,O,F)2
CCarbon
Cⓘ DolomiteCaMg(CO3)2
Cⓘ ZaratiteNi3(CO3)(OH)4 · 4H2O ?
OOxygen
Oⓘ AntigoriteMg3(Si2O5)(OH)4
Oⓘ ClinohumiteMg9(SiO4)4F2
Oⓘ DolomiteCaMg(CO3)2
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ TheophrastiteNi(OH)2
Oⓘ ZaratiteNi3(CO3)(OH)4 · 4H2O ?
Oⓘ Hydroxylclinohumite var. Titanclinohumite(Mg,Ti)9(SiO4)4(OH,O,F)2
Oⓘ Fayalite-Forsterite Series
FFluorine
Fⓘ ClinohumiteMg9(SiO4)4F2
Fⓘ Hydroxylclinohumite var. Titanclinohumite(Mg,Ti)9(SiO4)4(OH,O,F)2
MgMagnesium
Mgⓘ AntigoriteMg3(Si2O5)(OH)4
Mgⓘ ClinohumiteMg9(SiO4)4F2
Mgⓘ DolomiteCaMg(CO3)2
Mgⓘ Hydroxylclinohumite var. Titanclinohumite(Mg,Ti)9(SiO4)4(OH,O,F)2
Mgⓘ Fayalite-Forsterite Series
SiSilicon
Siⓘ AntigoriteMg3(Si2O5)(OH)4
Siⓘ ClinohumiteMg9(SiO4)4F2
Siⓘ Hydroxylclinohumite var. Titanclinohumite(Mg,Ti)9(SiO4)4(OH,O,F)2
Siⓘ Fayalite-Forsterite Series
SSulfur
Sⓘ HeazlewooditeNi3S2
Sⓘ MilleriteNiS
CaCalcium
Caⓘ DolomiteCaMg(CO3)2
TiTitanium
Tiⓘ Hydroxylclinohumite var. Titanclinohumite(Mg,Ti)9(SiO4)4(OH,O,F)2
FeIron
Feⓘ AwaruiteNi3Fe
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ Fayalite-Forsterite Series
NiNickel
Niⓘ AwaruiteNi3Fe
Niⓘ HeazlewooditeNi3S2
Niⓘ MaucheriteNi11As8
Niⓘ MilleriteNiS
Niⓘ OrceliteNi5-xAs2, x ~ 0.25
Niⓘ TheophrastiteNi(OH)2
Niⓘ ZaratiteNi3(CO3)(OH)4 · 4H2O ?
AsArsenic
Asⓘ MaucheriteNi11As8
Asⓘ OrceliteNi5-xAs2, x ~ 0.25

Other Regions, Features and Areas containing this locality

Amur PlateTectonic Plate
AsiaContinent
Eurasian Plate
Japan

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References

Arai, Shoji, Ishimaru, Satoko, Miura, Makoto, Akizawa, Norikatsu, Mizukami, Tomoyuki (2020) Post-Serpentinization Formation of Theophrastite-Zaratite by Heazlewoodite Desulfurization: An Implication for Shallow Behavior of Sulfur in a Subduction Complex. Minerals, 10 (9) 806 doi:10.3390/min10090806
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