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MESO Mineral zone, Central Indian Ridge, Indian Ocean

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Latitude & Longitude (WGS84): 23° 23' 56'' South , 69° 14' 53'' East
Latitude & Longitude (decimal): -23.39889,69.24806
GeoHash:G#: mec4zu2gs
Locality type:Zone


Fresh and zeolite-facies altered tholeiitic lavas, pillow lavas and basaltic talus debris.
Located at 2845 m depth, about 270 km NW of the Rodrigues Triple Junction.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

19 valid minerals.

Detailed Mineral List:

Actinolite
Formula: ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Reference: Halbach, P., Blum, N., Münch, U., Plüger, W., Garbe-Schönberg, D., and Zimmer, M. (1998): Mineralium Deposita 33, 302-309.
Albite
Formula: Na(AlSi3O8)
Reference: Halbach, P., Blum, N., Münch, U., Plüger, W., Garbe-Schönberg, D., and Zimmer, M. (1998): Mineralium Deposita 33, 302-309.
Analcime
Formula: Na(AlSi2O6) · H2O
Reference: Halbach, P., Blum, N., Münch, U., Plüger, W., Garbe-Schönberg, D., and Zimmer, M. (1998): Mineralium Deposita 33, 302-309.
Anhydrite
Formula: CaSO4
Baryte
Formula: BaSO4
Bornite
Formula: Cu5FeS4
Chalcopyrite
Formula: CuFeS2
'Chlorite Group'
Reference: Halbach, P., Blum, N., Münch, U., Plüger, W., Garbe-Schönberg, D., and Zimmer, M. (1998): Mineralium Deposita 33, 302-309.
Covellite
Formula: CuS
Digenite
Formula: Cu9S5
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: Halbach, P., Blum, N., Münch, U., Plüger, W., Garbe-Schönberg, D., and Zimmer, M. (1998): Mineralium Deposita 33, 302-309.
Goethite
Formula: α-Fe3+O(OH)
Gypsum
Formula: CaSO4 · 2H2O
Hematite
Formula: Fe2O3
'Heulandite subgroup'
Reference: Halbach, P., Blum, N., Münch, U., Plüger, W., Garbe-Schönberg, D., and Zimmer, M. (1998): Mineralium Deposita 33, 302-309.
Marcasite
Formula: FeS2
Natrolite
Formula: Na2Al2Si3O10 · 2H2O
Reference: Halbach, P., Blum, N., Münch, U., Plüger, W., Garbe-Schönberg, D., and Zimmer, M. (1998): Mineralium Deposita 33, 302-309.
Prehnite
Formula: Ca2Al2Si3O10(OH)2
Reference: Halbach, P., Blum, N., Münch, U., Plüger, W., Garbe-Schönberg, D., and Zimmer, M. (1998): Mineralium Deposita 33, 302-309.
Pyrite
Formula: FeS2
Quartz
Formula: SiO2
Quartz var: Jasper
'Smectite Group'
Formula: A0.3D2-3[T4O10]Z2 · nH2O
Reference: Halbach, P., Blum, N., Münch, U., Plüger, W., Garbe-Schönberg, D., and Zimmer, M. (1998): Mineralium Deposita 33, 302-309.
Sphalerite
Formula: ZnS

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
'Bornite'2.BA.15Cu5FeS4
'Chalcopyrite'2.CB.10aCuFeS2
'Covellite'2.CA.05aCuS
'Digenite'2.BA.10Cu9S5
Marcasite2.EB.10aFeS2
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Group 4 - Oxides and Hydroxides
'Goethite'4.00.α-Fe3+O(OH)
'Hematite'4.CB.05Fe2O3
Quartz4.DA.05SiO2
var: Jasper4.DA.05SiO2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Anhydrite'7.AD.30CaSO4
'Baryte'7.AD.35BaSO4
'Gypsum'7.CD.40CaSO4 · 2H2O
Group 9 - Silicates
'Actinolite'9.DE.10☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
'Albite'9.FA.35Na(AlSi3O8)
'Analcime'9.GB.05Na(AlSi2O6) · H2O
'Epidote'9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Natrolite9.GA.05Na2Al2Si3O10 · 2H2O
Prehnite9.DP.20Ca2Al2Si3O10(OH)2
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-
'Heulandite subgroup'-
Smectite Group-A0.3D2-3[T4O10]Z2 · nH2O

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Digenite2.4.7.3Cu9S5
AmBnXp, with (m+n):p = 3:2
Bornite2.5.2.1Cu5FeS4
AmXp, with m:p = 1:1
Covellite2.8.12.1CuS
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Marcasite2.12.2.1FeS2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Anhydrite28.3.2.1CaSO4
Baryte28.3.1.1BaSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Group 72 - PHYLLOSILICATES Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with 4-membered rings
Prehnite72.1.3.1Ca2Al2Si3O10(OH)2
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 with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Analcime77.1.1.1Na(AlSi2O6) · H2O
Natrolite77.1.5.1Na2Al2Si3O10 · 2H2O
Unclassified Minerals, Rocks, etc.
Actinolite-☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
'Chlorite Group'-
'Heulandite subgroup'-
Quartz
var: Jasper
-SiO2
'Smectite Group'-A0.3D2-3[T4O10]Z2 · nH2O

List of minerals for each chemical element

HHydrogen
H Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
H AnalcimeNa(AlSi2O6) · H2O
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H Goethiteα-Fe3+O(OH)
H GypsumCaSO4 · 2H2O
H NatroliteNa2Al2Si3O10 · 2H2O
H PrehniteCa2Al2Si3O10(OH)2
H Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
OOxygen
O Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
O AlbiteNa(AlSi3O8)
O AnalcimeNa(AlSi2O6) · H2O
O AnhydriteCaSO4
O BaryteBaSO4
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O Goethiteα-Fe3+O(OH)
O GypsumCaSO4 · 2H2O
O HematiteFe2O3
O NatroliteNa2Al2Si3O10 · 2H2O
O PrehniteCa2Al2Si3O10(OH)2
O QuartzSiO2
O Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
NaSodium
Na AlbiteNa(AlSi3O8)
Na AnalcimeNa(AlSi2O6) · H2O
Na NatroliteNa2Al2Si3O10 · 2H2O
MgMagnesium
Mg Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
AlAluminium
Al AlbiteNa(AlSi3O8)
Al AnalcimeNa(AlSi2O6) · H2O
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al NatroliteNa2Al2Si3O10 · 2H2O
Al PrehniteCa2Al2Si3O10(OH)2
SiSilicon
Si Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Si AlbiteNa(AlSi3O8)
Si AnalcimeNa(AlSi2O6) · H2O
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si NatroliteNa2Al2Si3O10 · 2H2O
Si PrehniteCa2Al2Si3O10(OH)2
Si QuartzSiO2
SSulfur
S AnhydriteCaSO4
S BaryteBaSO4
S BorniteCu5FeS4
S ChalcopyriteCuFeS2
S CovelliteCuS
S DigeniteCu9S5
S GypsumCaSO4 · 2H2O
S MarcasiteFeS2
S PyriteFeS2
S SphaleriteZnS
CaCalcium
Ca Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Ca AnhydriteCaSO4
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca GypsumCaSO4 · 2H2O
Ca PrehniteCa2Al2Si3O10(OH)2
FeIron
Fe Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Fe BorniteCu5FeS4
Fe ChalcopyriteCuFeS2
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe Goethiteα-Fe3+O(OH)
Fe HematiteFe2O3
Fe MarcasiteFeS2
Fe PyriteFeS2
CuCopper
Cu BorniteCu5FeS4
Cu ChalcopyriteCuFeS2
Cu CovelliteCuS
Cu DigeniteCu9S5
ZnZinc
Zn SphaleriteZnS
BaBarium
Ba BaryteBaSO4

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
- Halbach, P., Blum, N., Münch, U., Plüger, W., Garbe-Schönberg, D., and Zimmer, M. (1998): Formation and decay of a modern massive sulfide deposit in the Indian Ocean. Mineralium Deposita 33, 302-309.

Localities in this Region
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Indian Ocean

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