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Hime Island (Hime-shima), Oita, Japani
Regional Level Types
Hime Island (Hime-shima)Island

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Latitude & Longitude (WGS84): 33° 43' 28'' North , 131° 38' 43'' East
Latitude & Longitude (decimal): 33.72444,131.64528
GeoHash:G#: wvvxgem5j
Locality type:Island
Köppen climate type:Cfa : Humid subtropical climate

Multi-cm size vivianite concretions in offshore Pleistocene clay bed, mostly overlain by younger lavas and pyroclastics.

Regions containing this locality

Amur PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

3 valid minerals.

Detailed Mineral List:

'K Feldspar'
Reference: Minato et al (1956) Mineralogical Journal, 1, 337-347.
Formula: FeS2
Description: Reported just as "FeS2" (pyrite or marcasite), but probably corresponds to the "framboidal pyrite" described from similar environment in numerous other japanese localities.
Reference: Minato et al (1956) Mineralogical Journal, 1, 337-347.
Formula: SiO2
Reference: Minato et al (1956) Mineralogical Journal, 1, 337-347.
Formula: Fe2+3(PO4)2 · 8H2O
Reference: (Vivianite concretions from here are represented in innumerable japanese collections.)

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Group 4 - Oxides and Hydroxides
Group 8 - Phosphates, Arsenates and Vanadates
Vivianite8.CE.40Fe2+3(PO4)2 · 8H2O
Unclassified Minerals, Rocks, etc.
'K Feldspar'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Vivianite40.3.6.1Fe2+3(PO4)2 · 8H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Unclassified Minerals, Mixtures, etc.
'K Feldspar'-

List of minerals for each chemical element

H VivianiteFe32+(PO4)2 · 8H2O
O VivianiteFe32+(PO4)2 · 8H2O
O QuartzSiO2
Si QuartzSiO2
P VivianiteFe32+(PO4)2 · 8H2O
S PyriteFeS2
Fe VivianiteFe32+(PO4)2 · 8H2O
Fe PyriteFeS2


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Itoh, J., Hoshizumi, H., Iwaya, T. (1997) Geology of Hime-shima District. Geological Survey of Japan (in japanese)

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