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Iwakura-yama ultramafics, Kamaishi City, Iwate, Japani
Regional Level Types
Iwakura-yama ultramafics- not defined -
Kamaishi CityCity
IwatePrefecture
JapanCountry

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Latitude & Longitude (WGS84): 39° 17' North , 141° 43' East
Latitude & Longitude (decimal): 39.28333,141.71667
GeoHash:G#: xnuz2z6fj
Köppen climate type:Cfb : Temperate oceanic climate


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Regions containing this locality

Honshu Island, Japan

Island - 1,361 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


13 valid minerals.

Detailed Mineral List:

Calcite
Formula: CaCO3
Reference: Yoshihide Shiga (1983) Fe-Ni(-Co)-S- minerals in the Hayachine ultramafic rocks of the Kamaishi mining district, Northeastern Japan. Mining Geology 33:23-38
'Chlorite Group'
Reference: Yoshihide Shiga (1983) Fe-Ni(-Co)-S- minerals in the Hayachine ultramafic rocks of the Kamaishi mining district, Northeastern Japan. Mining Geology 33:23-38
Chromite
Formula: Fe2+Cr3+2O4
Reference: Yoshihide Shiga (1983) Fe-Ni(-Co)-S- minerals in the Hayachine ultramafic rocks of the Kamaishi mining district, Northeastern Japan. Mining Geology 33:23-38
Cobaltite
Formula: CoAsS
Reference: Yoshihide Shiga (1983) Fe-Ni(-Co)-S- minerals in the Hayachine ultramafic rocks of the Kamaishi mining district, Northeastern Japan. Mining Geology 33:23-38
'Fayalite-Forsterite Series'
Reference: Yoshihide Shiga (1983) Fe-Ni(-Co)-S- minerals in the Hayachine ultramafic rocks of the Kamaishi mining district, Northeastern Japan. Mining Geology 33:23-38
Godlevskite
Formula: (Ni,Fe)9S8
Reference: Yoshihide Shiga (1983) Fe-Ni(-Co)-S- minerals in the Hayachine ultramafic rocks of the Kamaishi mining district, Northeastern Japan. Mining Geology 33:23-38
Heazlewoodite
Formula: Ni3S2
Reference: Yoshihide Shiga (1983) Fe-Ni(-Co)-S- minerals in the Hayachine ultramafic rocks of the Kamaishi mining district, Northeastern Japan. Mining Geology 33:23-38
Ilmenite
Formula: Fe2+TiO3
Reference: Yoshihide Shiga (1983) Fe-Ni(-Co)-S- minerals in the Hayachine ultramafic rocks of the Kamaishi mining district, Northeastern Japan. Mining Geology 33:23-38
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Yoshihide Shiga (1983) Fe-Ni(-Co)-S- minerals in the Hayachine ultramafic rocks of the Kamaishi mining district, Northeastern Japan. Mining Geology 33:23-38
Millerite
Formula: NiS
Reference: Yoshihide Shiga (1983) Fe-Ni(-Co)-S- minerals in the Hayachine ultramafic rocks of the Kamaishi mining district, Northeastern Japan. Mining Geology 33:23-38
Nickeline
Formula: NiAs
Reference: Yoshihide Shiga (1983) Fe-Ni(-Co)-S- minerals in the Hayachine ultramafic rocks of the Kamaishi mining district, Northeastern Japan. Mining Geology 33:23-38
Pentlandite
Formula: (FexNiy)Σ9S8
Reference: Yoshihide Shiga (1983) Fe-Ni(-Co)-S- minerals in the Hayachine ultramafic rocks of the Kamaishi mining district, Northeastern Japan. Mining Geology 33:23-38
Pyrite
Formula: FeS2
Reference: Yoshihide Shiga (1983) Fe-Ni(-Co)-S- minerals in the Hayachine ultramafic rocks of the Kamaishi mining district, Northeastern Japan. Mining Geology 33:23-38
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Reference: Yoshihide Shiga (1983) Fe-Ni(-Co)-S- minerals in the Hayachine ultramafic rocks of the Kamaishi mining district, Northeastern Japan. Mining Geology 33:23-38
Tremolite
Formula: ☐{Ca2}{Mg5}(Si8O22)(OH)2
Reference: Yoshihide Shiga (1983) Fe-Ni(-Co)-S- minerals in the Hayachine ultramafic rocks of the Kamaishi mining district, Northeastern Japan. Mining Geology 33:23-38
Violarite
Formula: Fe2+Ni3+2S4
Reference: Yoshihide Shiga (1983) Fe-Ni(-Co)-S- minerals in the Hayachine ultramafic rocks of the Kamaishi mining district, Northeastern Japan. Mining Geology 33:23-38

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
'Cobaltite'2.EB.25CoAsS
'Godlevskite'2.BB.15(Ni,Fe)9S8
'Heazlewoodite'2.BB.05Ni3S2
'Millerite'2.CC.20NiS
'Nickeline'2.CC.05NiAs
'Pentlandite'2.BB.15(FexNiy)Σ9S8
'Pyrite'2.EB.05aFeS2
'Violarite'2.DA.05Fe2+Ni3+2S4
Group 4 - Oxides and Hydroxides
'Chromite'4.BB.05Fe2+Cr3+2O4
'Ilmenite'4.CB.05Fe2+TiO3
'Magnetite'4.BB.05Fe2+Fe3+2O4
Group 5 - Nitrates and Carbonates
'Calcite'5.AB.05CaCO3
Group 9 - Silicates
'Tremolite'9.DE.10☐{Ca2}{Mg5}(Si8O22)(OH)2
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-
'Fayalite-Forsterite Series'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 3:2
Heazlewoodite2.5.3.1Ni3S2
AmBnXp, with (m+n):p = 9:8
Godlevskite2.7.4.1(Ni,Fe)9S8
Pentlandite2.7.1.1(FexNiy)Σ9S8
AmXp, with m:p = 1:1
Millerite2.8.16.1NiS
Nickeline2.8.11.1NiAs
AmBnXp, with (m+n):p = 3:4
Violarite2.10.1.8Fe2+Ni3+2S4
AmBnXp, with (m+n):p = 1:2
Cobaltite2.12.3.1CoAsS
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Ilmenite4.3.5.1Fe2+TiO3
Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe2+Cr3+2O4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Tremolite66.1.3a.1☐{Ca2}{Mg5}(Si8O22)(OH)2
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-
'Fayalite-Forsterite Series'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn

List of minerals for each chemical element

HHydrogen
H Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
H Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
CCarbon
C CalciteCaCO3
OOxygen
O CalciteCaCO3
O ChromiteFe2+Cr23+O4
O IlmeniteFe2+TiO3
O MagnetiteFe2+Fe23+O4
O Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
O Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
MgMagnesium
Mg Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Mg Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
AlAluminium
Al Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
SiSilicon
Si Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Si Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
SSulfur
S CobaltiteCoAsS
S Godlevskite(Ni,Fe)9S8
S HeazlewooditeNi3S2
S MilleriteNiS
S Pentlandite(FexNiy)Σ9S8
S PyriteFeS2
S ViolariteFe2+Ni23+S4
CaCalcium
Ca CalciteCaCO3
Ca Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
TiTitanium
Ti IlmeniteFe2+TiO3
CrChromium
Cr ChromiteFe2+Cr23+O4
MnManganese
Mn Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
FeIron
Fe ChromiteFe2+Cr23+O4
Fe Godlevskite(Ni,Fe)9S8
Fe IlmeniteFe2+TiO3
Fe MagnetiteFe2+Fe23+O4
Fe Pentlandite(FexNiy)Σ9S8
Fe PyriteFeS2
Fe Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Fe ViolariteFe2+Ni23+S4
CoCobalt
Co CobaltiteCoAsS
NiNickel
Ni Godlevskite(Ni,Fe)9S8
Ni HeazlewooditeNi3S2
Ni MilleriteNiS
Ni NickelineNiAs
Ni Pentlandite(FexNiy)Σ9S8
Ni Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Ni ViolariteFe2+Ni23+S4
ZnZinc
Zn Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
AsArsenic
As CobaltiteCoAsS
As NickelineNiAs

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

Late Paleozoic
251.902 - 358.9 Ma



ID: 3186244
Paleozoic sedimentary rocks

Age: Phanerozoic (251.902 - 358.9 Ma)

Lithology: Sedimentary 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

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Yoshihide Shiga (1983) Fe-Ni(-Co)-S- minerals in the Hayachine ultramafic rocks of the Kamaishi mining district, Northeastern Japan. Mining Geology 33:23-38


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