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Nagasawa deposit, Iwama, Kasama City, Ibaraki, Japani
Regional Level Types
Nagasawa depositDeposit
Iwama- not defined -
Kasama CityCity
IbarakiPrefecture
JapanCountry

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Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 36° North , 140° East (est.)
Margin of Error:~13km
Locality type:Deposit
Köppen climate type:Cfa : Humid subtropical climate


Bedded sedimentary manganese deposit, consisting originally of rhodochrosite, quartz, chlorite and pyrite, was intensely metamorphosed by a granite pluton, resulting in a metachert-hosted pyroxmangite-garnet-amphibole manganese ore, cut by molybdenite-bearing quartz veins.
Fe, Co, Ni, Cu, Zn, As, Te, Pb, Bi, traces of which had originally been scavenged from seawater by manganese oxides, are now present as native elements, sulphides, arsenides or tellurides.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


28 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

'Amphibole Supergroup'
Formula: AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Reference: M. Haruna et al (2002) Canadian Mineralogist, 40, 1069-1089.
Arsenic
Formula: As
Reference: Haruna, Makoto et al. (2002) Mineralogical and oxygen isotope constraints on the origin of the contact-metamorphosed bedded manganese deposit at Nagasawa, Japan. The Canadian Mineralogist, 40, 1069-1089.
Arsenopyrite
Formula: FeAsS
Reference: Haruna, Makoto et al. (2002) Mineralogical and oxygen isotope constraints on the origin of the contact-metamorphosed bedded manganese deposit at Nagasawa, Japan. The Canadian Mineralogist, 40, 1069-1089.
'Biotite'
Reference: Haruna, Makoto et al. (2002) Mineralogical and oxygen isotope constraints on the origin of the contact-metamorphosed bedded manganese deposit at Nagasawa, Japan. The Canadian Mineralogist, 40, 1069-1089.
Bismuth
Formula: Bi
Reference: Haruna, Makoto et al. (2002) Mineralogical and oxygen isotope constraints on the origin of the contact-metamorphosed bedded manganese deposit at Nagasawa, Japan. The Canadian Mineralogist, 40, 1069-1089.
Bismuthinite
Formula: Bi2S3
Reference: Haruna, Makoto et al. (2002) Mineralogical and oxygen isotope constraints on the origin of the contact-metamorphosed bedded manganese deposit at Nagasawa, Japan. The Canadian Mineralogist, 40, 1069-1089.
Chalcopyrite
Formula: CuFeS2
Reference: Haruna, Makoto et al. (2002) Mineralogical and oxygen isotope constraints on the origin of the contact-metamorphosed bedded manganese deposit at Nagasawa, Japan. The Canadian Mineralogist, 40, 1069-1089.
'Chert'
Reference: M. Haruna et al (2002) Canadian Mineralogist, 40, 1069-1089.
Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
Reference: Haruna, Makoto et al. (2002) Mineralogical and oxygen isotope constraints on the origin of the contact-metamorphosed bedded manganese deposit at Nagasawa, Japan. The Canadian Mineralogist, 40, 1069-1089.
Clino-suenoite
Formula: □{Mn2+2}{Mg5}(Si8O22)(OH)2
Reference: Nishikubo collection
Cobaltite
Formula: CoAsS
Reference: Nishikubo collection
Fluorapatite
Formula: Ca5(PO4)3F
Reference: Haruna, Makoto et al. (2002) Mineralogical and oxygen isotope constraints on the origin of the contact-metamorphosed bedded manganese deposit at Nagasawa, Japan. The Canadian Mineralogist, 40, 1069-1089.
Galena
Formula: PbS
Reference: Haruna, Makoto et al. (2002) Mineralogical and oxygen isotope constraints on the origin of the contact-metamorphosed bedded manganese deposit at Nagasawa, Japan. The Canadian Mineralogist, 40, 1069-1089.
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: M. Haruna et al (2002) Canadian Mineralogist, 40, 1069-1089.
Gersdorffite
Formula: NiAsS
Reference: Haruna, Makoto et al. (2002) Mineralogical and oxygen isotope constraints on the origin of the contact-metamorphosed bedded manganese deposit at Nagasawa, Japan. The Canadian Mineralogist, 40, 1069-1089.
Hedleyite
Formula: Bi7Te3
Reference: Haruna, Makoto et al. (2002) Mineralogical and oxygen isotope constraints on the origin of the contact-metamorphosed bedded manganese deposit at Nagasawa, Japan. The Canadian Mineralogist, 40, 1069-1089.
Helvine
Formula: Be3Mn2+4(SiO4)3S
Reference: Haruna, Makoto et al. (2002) Mineralogical and oxygen isotope constraints on the origin of the contact-metamorphosed bedded manganese deposit at Nagasawa, Japan. The Canadian Mineralogist, 40, 1069-1089.
Löllingite
Formula: FeAs2
Reference: Haruna, Makoto et al. (2002) Mineralogical and oxygen isotope constraints on the origin of the contact-metamorphosed bedded manganese deposit at Nagasawa, Japan. The Canadian Mineralogist, 40, 1069-1089.
Molybdenite
Formula: MoS2
Reference: M. Haruna et al (2002) Canadian Mineralogist, 40, 1069-1089.
Nickeline
Formula: NiAs
Reference: Haruna, Makoto et al. (2002) Mineralogical and oxygen isotope constraints on the origin of the contact-metamorphosed bedded manganese deposit at Nagasawa, Japan. The Canadian Mineralogist, 40, 1069-1089.
Parkerite
Formula: Ni3(Bi,Pb)2S2
Reference: Haruna, Makoto et al. (2002) Mineralogical and oxygen isotope constraints on the origin of the contact-metamorphosed bedded manganese deposit at Nagasawa, Japan. The Canadian Mineralogist, 40, 1069-1089.
Pentlandite
Formula: (FexNiy)Σ9S8
Reference: Haruna, Makoto et al. (2002) Mineralogical and oxygen isotope constraints on the origin of the contact-metamorphosed bedded manganese deposit at Nagasawa, Japan. The Canadian Mineralogist, 40, 1069-1089.
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Reference: Haruna, Makoto et al. (2002) Mineralogical and oxygen isotope constraints on the origin of the contact-metamorphosed bedded manganese deposit at Nagasawa, Japan. The Canadian Mineralogist, 40, 1069-1089.
Pyrite
Formula: FeS2
Reference: Haruna, Makoto et al. (2002) Mineralogical and oxygen isotope constraints on the origin of the contact-metamorphosed bedded manganese deposit at Nagasawa, Japan. The Canadian Mineralogist, 40, 1069-1089.
Pyrophanite
Formula: Mn2+TiO3
Reference: Nishikubo collection
Pyroxmangite
Formula: MnSiO3
Reference: M. Haruna et al (2002) Canadian Mineralogist, 40, 1069-1089.
Pyrrhotite
Formula: Fe7S8
Reference: Haruna, Makoto et al. (2002) Mineralogical and oxygen isotope constraints on the origin of the contact-metamorphosed bedded manganese deposit at Nagasawa, Japan. The Canadian Mineralogist, 40, 1069-1089.
Quartz
Formula: SiO2
Reference: M. Haruna et al (2002) Canadian Mineralogist, 40, 1069-1089.
Rhodochrosite
Formula: MnCO3
Reference: Haruna, Makoto et al. (2002) Mineralogical and oxygen isotope constraints on the origin of the contact-metamorphosed bedded manganese deposit at Nagasawa, Japan. The Canadian Mineralogist, 40, 1069-1089.
Rhodonite
Formula: Mn2+SiO3
Reference: Haruna, Makoto et al. (2002) Mineralogical and oxygen isotope constraints on the origin of the contact-metamorphosed bedded manganese deposit at Nagasawa, Japan. The Canadian Mineralogist, 40, 1069-1089.
Spessartine
Formula: Mn2+3Al2(SiO4)3
Reference: Nishikubo collection
Sphalerite
Formula: ZnS
Reference: Haruna, Makoto et al. (2002) Mineralogical and oxygen isotope constraints on the origin of the contact-metamorphosed bedded manganese deposit at Nagasawa, Japan. The Canadian Mineralogist, 40, 1069-1089.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Arsenic'1.CA.05As
'Bismuth'1.CA.05Bi
Group 2 - Sulphides and Sulfosalts
'Arsenopyrite'2.EB.20FeAsS
'Bismuthinite'2.DB.05Bi2S3
'Chalcopyrite'2.CB.10aCuFeS2
'Cobaltite'2.EB.25CoAsS
'Galena'2.CD.10PbS
'Gersdorffite'2.EB.25NiAsS
'Hedleyite'2.DC.05Bi7Te3
'Löllingite'2.EB.15aFeAs2
'Molybdenite'2.EA.30MoS2
'Nickeline'2.CC.05NiAs
'Parkerite'2.BE.20Ni3(Bi,Pb)2S2
'Pentlandite'2.BB.15(FexNiy)Σ9S8
'Pyrite'2.EB.05aFeS2
'Pyrrhotite'2.CC.10Fe7S8
'Sphalerite'2.CB.05aZnS
Group 4 - Oxides and Hydroxides
'Pyrophanite'4.CB.05Mn2+TiO3
'Quartz'4.DA.05SiO2
Group 5 - Nitrates and Carbonates
'Rhodochrosite'5.AB.05MnCO3
Group 8 - Phosphates, Arsenates and Vanadates
'Fluorapatite'8.BN.05Ca5(PO4)3F
Group 9 - Silicates
'Clino-suenoite'9.DE.□{Mn2+2}{Mg5}(Si8O22)(OH)2
'Clinochlore'9.EC.55Mg5Al(AlSi3O10)(OH)8
'Helvine'9.FB.10Be3Mn2+4(SiO4)3S
'Phlogopite'9.EC.20KMg3(AlSi3O10)(OH)2
'Pyroxmangite'9.DO.05MnSiO3
'Rhodonite'9.DK.05Mn2+SiO3
'Spessartine'9.AD.25Mn2+3Al2(SiO4)3
Unclassified Minerals, Rocks, etc.
'Amphibole Supergroup'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Biotite'-
'Chert'-
'Garnet Group'-X3Z2(SiO4)3

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
Arsenic1.3.1.1As
Bismuth1.3.1.4Bi
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 5:2
Parkerite2.3.4.1Ni3(Bi,Pb)2S2
AmBnXp, with (m+n):p = 4:3
Hedleyite2.6.3.3Bi7Te3
AmBnXp, with (m+n):p = 9:8
Pentlandite2.7.1.1(FexNiy)Σ9S8
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Nickeline2.8.11.1NiAs
Pyrrhotite2.8.10.1Fe7S8
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 2:3
Bismuthinite2.11.2.3Bi2S3
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Cobaltite2.12.3.1CoAsS
Gersdorffite2.12.3.2NiAsS
Löllingite2.12.2.9FeAs2
Molybdenite2.12.10.1MoS2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Pyrophanite4.3.5.3Mn2+TiO3
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Rhodochrosite14.1.1.4MnCO3
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Fluorapatite41.8.1.1Ca5(PO4)3F
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Spessartine51.4.3a.3Mn2+3Al2(SiO4)3
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=5
Rhodonite65.4.1.1Mn2+SiO3
Single-Width Unbranched Chains, W=1 with chains P=7
Pyroxmangite65.6.1.1MnSiO3
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Phlogopite71.2.2b.1KMg3(AlSi3O10)(OH)2
Sheets of 6-membered rings interlayered 1:1, 2:1, and octahedra
Clinochlore71.4.1.4Mg5Al(AlSi3O10)(OH)8
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework Feldspathoids and related species
Helvine76.2.4.1Be3Mn2+4(SiO4)3S
Unclassified Minerals, Rocks, etc.
'Amphibole Supergroup'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Biotite'-
'Chert'-
Clino-suenoite-□{Mn2+2}{Mg5}(Si8O22)(OH)2
'Garnet Group'-X3Z2(SiO4)3

List of minerals for each chemical element

HHydrogen
H Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
H ClinochloreMg5Al(AlSi3O10)(OH)8
H Clino-suenoite□{Mn22+}{Mg5}(Si8O22)(OH)2
H PhlogopiteKMg3(AlSi3O10)(OH)2
BeBeryllium
Be HelvineBe3Mn42+(SiO4)3S
CCarbon
C RhodochrositeMnCO3
OOxygen
O Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
O ClinochloreMg5Al(AlSi3O10)(OH)8
O Clino-suenoite□{Mn22+}{Mg5}(Si8O22)(OH)2
O FluorapatiteCa5(PO4)3F
O Garnet GroupX3Z2(SiO4)3
O HelvineBe3Mn42+(SiO4)3S
O PhlogopiteKMg3(AlSi3O10)(OH)2
O PyrophaniteMn2+TiO3
O PyroxmangiteMnSiO3
O QuartzSiO2
O RhodochrositeMnCO3
O RhodoniteMn2+SiO3
O SpessartineMn32+Al2(SiO4)3
FFluorine
F Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
F FluorapatiteCa5(PO4)3F
MgMagnesium
Mg ClinochloreMg5Al(AlSi3O10)(OH)8
Mg Clino-suenoite□{Mn22+}{Mg5}(Si8O22)(OH)2
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
AlAluminium
Al Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Al ClinochloreMg5Al(AlSi3O10)(OH)8
Al PhlogopiteKMg3(AlSi3O10)(OH)2
Al SpessartineMn32+Al2(SiO4)3
SiSilicon
Si Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Si ClinochloreMg5Al(AlSi3O10)(OH)8
Si Clino-suenoite□{Mn22+}{Mg5}(Si8O22)(OH)2
Si Garnet GroupX3Z2(SiO4)3
Si HelvineBe3Mn42+(SiO4)3S
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si PyroxmangiteMnSiO3
Si QuartzSiO2
Si RhodoniteMn2+SiO3
Si SpessartineMn32+Al2(SiO4)3
PPhosphorus
P FluorapatiteCa5(PO4)3F
SSulfur
S ArsenopyriteFeAsS
S BismuthiniteBi2S3
S ChalcopyriteCuFeS2
S CobaltiteCoAsS
S GalenaPbS
S GersdorffiteNiAsS
S HelvineBe3Mn42+(SiO4)3S
S MolybdeniteMoS2
S ParkeriteNi3(Bi,Pb)2S2
S Pentlandite(FexNiy)Σ9S8
S PyriteFeS2
S PyrrhotiteFe7S8
S SphaleriteZnS
ClChlorine
Cl Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
KPotassium
K PhlogopiteKMg3(AlSi3O10)(OH)2
CaCalcium
Ca FluorapatiteCa5(PO4)3F
TiTitanium
Ti Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Ti PyrophaniteMn2+TiO3
MnManganese
Mn Clino-suenoite□{Mn22+}{Mg5}(Si8O22)(OH)2
Mn HelvineBe3Mn42+(SiO4)3S
Mn PyrophaniteMn2+TiO3
Mn PyroxmangiteMnSiO3
Mn RhodochrositeMnCO3
Mn RhodoniteMn2+SiO3
Mn SpessartineMn32+Al2(SiO4)3
FeIron
Fe ArsenopyriteFeAsS
Fe ChalcopyriteCuFeS2
Fe LöllingiteFeAs2
Fe Pentlandite(FexNiy)Σ9S8
Fe PyriteFeS2
Fe PyrrhotiteFe7S8
CoCobalt
Co CobaltiteCoAsS
NiNickel
Ni GersdorffiteNiAsS
Ni NickelineNiAs
Ni ParkeriteNi3(Bi,Pb)2S2
Ni Pentlandite(FexNiy)Σ9S8
CuCopper
Cu ChalcopyriteCuFeS2
ZnZinc
Zn SphaleriteZnS
AsArsenic
As ArsenicAs
As ArsenopyriteFeAsS
As CobaltiteCoAsS
As GersdorffiteNiAsS
As LöllingiteFeAs2
As NickelineNiAs
MoMolybdenum
Mo MolybdeniteMoS2
TeTellurium
Te HedleyiteBi7Te3
PbLead
Pb GalenaPbS
Pb ParkeriteNi3(Bi,Pb)2S2
BiBismuth
Bi BismuthBi
Bi BismuthiniteBi2S3
Bi HedleyiteBi7Te3
Bi ParkeriteNi3(Bi,Pb)2S2

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Haruna, M., Satoh, H., Banno, Y., Kono, M., & Bunno, M. (2002). Mineralogical and oxygen isotopic constraints on the origin of the contact-metamorphosed bedded manganese deposit at Nagasawa, Japan. The Canadian Mineralogist, 40(4), 1069-1089.


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