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Oukura mine (Ohkura mine), Hannou, Saitama, Japani
Regional Level Types
Oukura mine (Ohkura mine)Mine
Hannou- not defined -
SaitamaPrefecture
JapanCountry

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Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 35° North , 139° East (est.)
Margin of Error:~57km
Locality type:Mine
Köppen climate type:Cfa : Humid subtropical climate


Weakly metamorphosed chert-hosted Paleozoic sedimentary manganese ore, mined during WWII.

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


11 valid minerals.

Detailed Mineral List:

Caryopilite
Formula: Mn2+3Si2O5(OH)4
Reference: Kato, A. (2010) Mumeikai Group meeting, No. 30.
Greenalite
Formula: (Fe2+,Fe3+)2-3Si2O5(OH)4
Reference: Kato, A. (2010) Mumeikai Group meeting, No. 30.
Hausmannite
Formula: Mn2+Mn3+2O4
Reference: Kato, A. (2010) Mumeikai Group meeting, No. 30.
Hematite
Formula: Fe2O3
Reference: Kato, A. (2010) Mumeikai Group meeting, No. 30.
Jacobsite
Formula: Mn2+Fe3+2O4
Reference: Kato, A. (2010) Mumeikai Group meeting, No. 30.
Quartz
Formula: SiO2
Reference: Kato, A. (2010) Mumeikai Group meeting, No. 30.
Rhodochrosite
Formula: MnCO3
Reference: Kato, A. (2010) Mumeikai Group meeting, No. 30.
Rhodonite
Formula: Mn2+SiO3
Reference: Kato, A. (2010) Mumeikai Group meeting, No. 30.
Sepiolite
Formula: Mg4(Si6O15)(OH)2 · 6H2O
Reference: Kato, A. (2010) Mumeikai Group meeting, No. 30.
Sonolite
Formula: Mn2+9(SiO4)4(OH)2
Reference: Kato, A. (2010) Mumeikai Group meeting, No. 30.
Tephroite
Formula: Mn2+2SiO4
Reference: Kato, A. (2010) Mumeikai Group meeting, No. 30.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
'Hausmannite'4.BB.10Mn2+Mn3+2O4
'Hematite'4.CB.05Fe2O3
'Jacobsite'4.BB.05Mn2+Fe3+2O4
'Quartz'4.DA.05SiO2
Group 5 - Nitrates and Carbonates
'Rhodochrosite'5.AB.05MnCO3
Group 9 - Silicates
'Caryopilite'9.ED.15Mn2+3Si2O5(OH)4
'Greenalite'9.ED.15(Fe2+,Fe3+)2-3Si2O5(OH)4
'Rhodonite'9.DK.05Mn2+SiO3
'Sepiolite'9.EE.25Mg4(Si6O15)(OH)2 · 6H2O
'Sonolite'9.AF.55Mn2+9(SiO4)4(OH)2
'Tephroite'9.AC.05Mn2+2SiO4

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 7 - MULTIPLE OXIDES
AB2X4
Hausmannite7.2.7.1Mn2+Mn3+2O4
Jacobsite7.2.2.2Mn2+Fe3+2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Rhodochrosite14.1.1.4MnCO3
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with all cations in octahedral [6] coordination
Tephroite51.3.1.4Mn2+2SiO4
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] coordination only
Sonolite52.3.2d.3Mn2+9(SiO4)4(OH)2
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=5
Rhodonite65.4.1.1Mn2+SiO3
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Caryopilite71.1.2b.1Mn2+3Si2O5(OH)4
Greenalite71.1.2b.4(Fe2+,Fe3+)2-3Si2O5(OH)4
Group 74 - PHYLLOSILICATES Modulated Layers
Modulated Layers with joined strips
Sepiolite74.3.1b.1Mg4(Si6O15)(OH)2 · 6H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2

List of minerals for each chemical element

HHydrogen
H CaryopiliteMn32+Si2O5(OH)4
H Greenalite(Fe2+,Fe3+)2-3Si2O5(OH)4
H SepioliteMg4(Si6O15)(OH)2 · 6H2O
H SonoliteMn92+(SiO4)4(OH)2
CCarbon
C RhodochrositeMnCO3
OOxygen
O CaryopiliteMn32+Si2O5(OH)4
O Greenalite(Fe2+,Fe3+)2-3Si2O5(OH)4
O HausmanniteMn2+Mn23+O4
O HematiteFe2O3
O JacobsiteMn2+Fe23+O4
O QuartzSiO2
O RhodochrositeMnCO3
O RhodoniteMn2+SiO3
O SepioliteMg4(Si6O15)(OH)2 · 6H2O
O SonoliteMn92+(SiO4)4(OH)2
O TephroiteMn22+SiO4
MgMagnesium
Mg SepioliteMg4(Si6O15)(OH)2 · 6H2O
SiSilicon
Si CaryopiliteMn32+Si2O5(OH)4
Si Greenalite(Fe2+,Fe3+)2-3Si2O5(OH)4
Si QuartzSiO2
Si RhodoniteMn2+SiO3
Si SepioliteMg4(Si6O15)(OH)2 · 6H2O
Si SonoliteMn92+(SiO4)4(OH)2
Si TephroiteMn22+SiO4
MnManganese
Mn CaryopiliteMn32+Si2O5(OH)4
Mn HausmanniteMn2+Mn23+O4
Mn JacobsiteMn2+Fe23+O4
Mn RhodochrositeMnCO3
Mn RhodoniteMn2+SiO3
Mn SonoliteMn92+(SiO4)4(OH)2
Mn TephroiteMn22+SiO4
FeIron
Fe Greenalite(Fe2+,Fe3+)2-3Si2O5(OH)4
Fe HematiteFe2O3
Fe JacobsiteMn2+Fe23+O4

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