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Site 253, Leg 26, D.S.D.P., Ninety East Ridge (90° E Ridge; Indian Ridge), Indian Ocean

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Latitude & Longitude (WGS84): 24° 52' 39'' South , 87° 21' 58'' East
Latitude & Longitude (decimal): -24.87750,87.36617
GeoHash:G#: mgw4kp4n5
Locality type:Borehole
Age:56.0 to 33.9 Ma
Geologic Time:Eocene


Lat. 24°52.65' S
Long. 87°21.97' E

Middle Eocene hyaloclastites, glass ashes and lapillis (405 meters thick) under 153 meters of carbonate sediments.
Hydrothermal alteration in HT geothermal area (200°C/kh).

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


23 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:

Albite
Formula: Na(AlSi3O8)
Description: Detritic phase.
Reference: D. Besse et al. , Bell. Minéral. , 1981, 104, pp. 56-63.
Albite var: Andesine
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
Description: Detritic phase.
Reference: D. Besse et al. , Bell. Minéral. , 1981, 104, pp. 56-63.
Analcime
Formula: Na(AlSi2O6) · H2O
Description: Basal Unit.
Reference: D. Besse et al. , Bell. Minéral. , 1981, 104, pp. 56-63.; The Shipboard Scientific Party (1974) 6. Site 253 DSDP Volume XXVI
Anatase
Formula: TiO2
Reference: The Shipboard Scientific Party (1974) 6. Site 253 DSDP Volume XXVI
'Ash'
Reference: The Shipboard Scientific Party (1974) 6. Site 253 DSDP Volume XXVI
Baryte
Formula: BaSO4
Reference: The Shipboard Scientific Party (1974) 6. Site 253 DSDP Volume XXVI
Beidellite
Formula: (Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
Description: Fe-rich beidellite (Upper Unit).
Reference: D. Besse et al. , Bell. Minéral. , 1981, 104, pp. 56-63.
Calcite
Formula: CaCO3
Reference: D. Besse et al. , Bell. Minéral. , 1981, 104, pp. 56-63.; The Shipboard Scientific Party (1974) 6. Site 253 DSDP Volume XXVI
Celadonite
Formula: K(Mg,Fe2+)Fe3+(Si4O10)(OH)2
Description: Upper and Basal Units.
Reference: D. Besse et al. , Bell. Minéral. , 1981, 104, pp. 56-63.
'Chalk'
Reference: The Shipboard Scientific Party (1974) 6. Site 253 DSDP Volume XXVI
'Chlorite Group'
Description: Basal Unit.
Reference: D. Besse et al. , Bell. Minéral. , 1981, 104, pp. 56-63.
Chrysotile
Formula: Mg3(Si2O5)(OH)4
Reference: The Shipboard Scientific Party (1974) 6. Site 253 DSDP Volume XXVI
'Clinoptilolite'
Reference: D. Besse et al. , Bell. Minéral. , 1981, 104, pp. 56-63.; The Shipboard Scientific Party (1974) 6. Site 253 DSDP Volume XXVI
Clinoptilolite-Ca
Formula: Ca3(Si30Al6)O72·20H2O
Description: Upper and Middle Unit.
Reference: D. Besse et al. , Bell. Minéral. , 1981, 104, pp. 56-63.
Clinoptilolite-Na
Formula: Na6(Si30Al6)O72·20H2O
Description: Basal Unit.
Reference: D. Besse et al. , Bell. Minéral. , 1981, 104, pp. 56-63.
Cristobalite
Formula: SiO2
Description: Opal CT lepispheres.
Reference: D. Besse et al. , Bell. Minéral. , 1981, 104, pp. 56-63.; The Shipboard Scientific Party (1974) 6. Site 253 DSDP Volume XXVI
'Diatomite'
Formula: SiO2 · nH2O
Reference: The Shipboard Scientific Party (1974) 6. Site 253 DSDP Volume XXVI
'Fayalite-Forsterite Series'
Reference: The Shipboard Scientific Party (1974) 6. Site 253 DSDP Volume XXVI
'Glass'
Reference: The Shipboard Scientific Party (1974) 6. Site 253 DSDP Volume XXVI
'Glass var: Palagonite'
Reference: The Shipboard Scientific Party (1974) 6. Site 253 DSDP Volume XXVI
Glauconite
Formula: (K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
Reference: The Shipboard Scientific Party (1974) 6. Site 253 DSDP Volume XXVI
Goethite
Formula: α-Fe3+O(OH)
Reference: The Shipboard Scientific Party (1974) 6. Site 253 DSDP Volume XXVI
Gypsum
Formula: CaSO4 · 2H2O
Reference: The Shipboard Scientific Party (1974) 6. Site 253 DSDP Volume XXVI
'Iddingsite'
Formula: MgO · Fe2O3 · 3SiO2·4H2O
Reference: The Shipboard Scientific Party (1974) 6. Site 253 DSDP Volume XXVI
Ilmenite
Formula: Fe2+TiO3
Reference: The Shipboard Scientific Party (1974) 6. Site 253 DSDP Volume XXVI
'K Feldspar'
Description: Authigenetic phase.
Reference: D. Besse et al. , Bell. Minéral. , 1981, 104, pp. 56-63.
'K Feldspar var: Adularia'
Formula: KAlSi3O8
Reference: The Shipboard Scientific Party (1974) 6. Site 253 DSDP Volume XXVI
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: The Shipboard Scientific Party (1974) 6. Site 253 DSDP Volume XXVI
Magnetite
Formula: Fe2+Fe3+2O4
Reference: The Shipboard Scientific Party (1974) 6. Site 253 DSDP Volume XXVI
Mordenite
Formula: (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Description: Middle Unit.
Reference: D. Besse et al. , Bell. Minéral. , 1981, 104, pp. 56-63.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Description: Upper and Basal Units.
Reference: D. Besse et al. , Bell. Minéral. , 1981, 104, pp. 56-63.
Muscovite var: Illite
Formula: K0.65Al2.0[Al0.65Si3.35O10](OH)2
Description: Upper and Basal Units.
Reference: D. Besse et al. , Bell. Minéral. , 1981, 104, pp. 56-63.
'Olivine basalt'
Reference: The Shipboard Scientific Party (1974) 6. Site 253 DSDP Volume XXVI
'Ooze'
Reference: The Shipboard Scientific Party (1974) 6. Site 253 DSDP Volume XXVI
Opal
Formula: SiO2 · nH2O
Description: Opal CT lepispheres.
Reference: D. Besse et al. , Bell. Minéral. , 1981, 104, pp. 56-63.
'Phillipsite'
Description: Upper Unit.
Reference: D. Besse et al. , Bell. Minéral. , 1981, 104, pp. 56-63.; The Shipboard Scientific Party (1974) 6. Site 253 DSDP Volume XXVI
Pyrite
Formula: FeS2
Reference: The Shipboard Scientific Party (1974) 6. Site 253 DSDP Volume XXVI
Quartz
Formula: SiO2
Reference: D. Besse et al. , Bell. Minéral. , 1981, 104, pp. 56-63.
Saponite
Formula: Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Description: Fe-rich saponite (Basal Unit).
Reference: D. Besse et al. , Bell. Minéral. , 1981, 104, pp. 56-63.
Saponite var: Bowlingite ?
Formula: Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Reference: The Shipboard Scientific Party (1974) 6. Site 253 DSDP Volume XXVI
'Scoria'
Reference: The Shipboard Scientific Party (1974) 6. Site 253 DSDP Volume XXVI
'Smectite Group'
Formula: A0.3D2-3[T4O10]Z2 · nH2O
Description: Mixed-layer (interstratified) illite/smectite phases. Basal Unit.
Reference: D. Besse et al. , Bell. Minéral. , 1981, 104, pp. 56-63.
Talc
Formula: Mg3Si4O10(OH)2
Reference: The Shipboard Scientific Party (1974) 6. Site 253 DSDP Volume XXVI

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
'Pyrite'2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
'Anatase'4.DD.05TiO2
Cristobalite4.DA.15SiO2
Goethite4.00.α-Fe3+O(OH)
Ilmenite4.CB.05Fe2+TiO3
Magnetite4.BB.05Fe2+Fe3+2O4
Opal4.DA.10SiO2 · nH2O
'Quartz'4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Gypsum7.CD.40CaSO4 · 2H2O
Group 9 - Silicates
'Albite'9.FA.35Na(AlSi3O8)
var: Andesine9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
'Analcime'9.GB.05Na(AlSi2O6) · H2O
Beidellite9.EC.40(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
Celadonite9.EC.15K(Mg,Fe2+)Fe3+(Si4O10)(OH)2
Chrysotile9.ED.15Mg3(Si2O5)(OH)4
Clinoptilolite-Ca9.GE.05Ca3(Si30Al6)O72·20H2O
Clinoptilolite-Na9.GE.05Na6(Si30Al6)O72·20H2O
Mordenite9.GD.35(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Illite9.EC.15K0.65Al2.0[Al0.65Si3.35O10](OH)2
'Saponite'9.EC.45Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
var: Bowlingite ?9.EC.45Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
'Talc'9.EC.05Mg3Si4O10(OH)2
Unclassified Minerals, Rocks, etc.
Ash-
Chalk-
Chlorite Group-
Clinoptilolite-
Diatomite-SiO2 · nH2O
Fayalite-Forsterite Series-
Glass-
'var: Palagonite'-
Glauconite-(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
Iddingsite-MgO · Fe2O3 · 3SiO2·4H2O
K Feldspar-
'var: Adularia'-KAlSi3O8
Limonite-(Fe,O,OH,H2O)
Olivine basalt-
Ooze-
'Phillipsite'-
'Scoria'-
'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 = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Ilmenite4.3.5.1Fe2+TiO3
AX2
Anatase4.4.4.1TiO2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Chrysotile71.1.5.1Mg3(Si2O5)(OH)4
Sheets of 6-membered rings with 2:1 layers
Celadonite71.2.2a.6K(Mg,Fe2+)Fe3+(Si4O10)(OH)2
Glauconite71.2.2a.5(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
var: Illite71.2.2d.2K0.65Al2.0[Al0.65Si3.35O10](OH)2
Talc71.2.1.3Mg3Si4O10(OH)2
Sheets of 6-membered rings with 2:1 clays
Beidellite71.3.1a.1(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
Saponite71.3.1b.2Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Cristobalite75.1.1.1SiO2
Quartz75.1.3.1SiO2
Si Tetrahedral Frameworks - SiO2 with H2O and organics
Opal75.2.1.1SiO2 · nH2O
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
Mordenite77.1.6.1(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Unclassified Minerals, Rocks, etc.
Albite
var: Andesine
-(Na,Ca)[Al(Si,Al)Si2O8]
'Ash'-
'Chalk'-
'Chlorite Group'-
'Clinoptilolite'-
Clinoptilolite-Ca-Ca3(Si30Al6)O72·20H2O
Clinoptilolite-Na-Na6(Si30Al6)O72·20H2O
'Diatomite'-SiO2 · nH2O
'Fayalite-Forsterite Series'-
'Glass'-
'var: Palagonite'-
'Iddingsite'-MgO · Fe2O3 · 3SiO2·4H2O
'K Feldspar'-
'var: Adularia'-KAlSi3O8
'Limonite'-(Fe,O,OH,H2O)
'Olivine basalt'-
'Ooze'-
'Phillipsite'-
Saponite
var: Bowlingite ?
-Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
'Scoria'-
'Smectite Group'-A0.3D2-3[T4O10]Z2 · nH2O

List of minerals for each chemical element

HHydrogen
H AnalcimeNa(AlSi2O6) · H2O
H Beidellite(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
H Saponite (var: Bowlingite)Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
H CeladoniteK(Mg,Fe2+)Fe3+(Si4O10)(OH)2
H ChrysotileMg3(Si2O5)(OH)4
H Clinoptilolite-CaCa3(Si30Al6)O72·20H2O
H Clinoptilolite-NaNa6(Si30Al6)O72·20H2O
H DiatomiteSiO2 · nH2O
H Glauconite(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
H Goethiteα-Fe3+O(OH)
H GypsumCaSO4 · 2H2O
H IddingsiteMgO · Fe2O3 · 3SiO2·4H2O
H Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
H Limonite(Fe,O,OH,H2O)
H Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
H MuscoviteKAl2(AlSi3O10)(OH)2
H OpalSiO2 · nH2O
H SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
H Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
H TalcMg3Si4O10(OH)2
CCarbon
C CalciteCaCO3
OOxygen
O K Feldspar (var: Adularia)KAlSi3O8
O AlbiteNa(AlSi3O8)
O AnalcimeNa(AlSi2O6) · H2O
O AnataseTiO2
O Albite (var: Andesine)(Na,Ca)[Al(Si,Al)Si2O8]
O BaryteBaSO4
O Beidellite(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
O Saponite (var: Bowlingite)Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
O CalciteCaCO3
O CeladoniteK(Mg,Fe2+)Fe3+(Si4O10)(OH)2
O ChrysotileMg3(Si2O5)(OH)4
O Clinoptilolite-CaCa3(Si30Al6)O72·20H2O
O Clinoptilolite-NaNa6(Si30Al6)O72·20H2O
O CristobaliteSiO2
O DiatomiteSiO2 · nH2O
O Glauconite(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
O Goethiteα-Fe3+O(OH)
O GypsumCaSO4 · 2H2O
O IddingsiteMgO · Fe2O3 · 3SiO2·4H2O
O Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
O IlmeniteFe2+TiO3
O Limonite(Fe,O,OH,H2O)
O MagnetiteFe2+Fe23+O4
O Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
O MuscoviteKAl2(AlSi3O10)(OH)2
O OpalSiO2 · nH2O
O QuartzSiO2
O SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
O Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
O TalcMg3Si4O10(OH)2
NaSodium
Na AlbiteNa(AlSi3O8)
Na AnalcimeNa(AlSi2O6) · H2O
Na Albite (var: Andesine)(Na,Ca)[Al(Si,Al)Si2O8]
Na Beidellite(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
Na Clinoptilolite-NaNa6(Si30Al6)O72·20H2O
Na Glauconite(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
Na Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Na SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
MgMagnesium
Mg Saponite (var: Bowlingite)Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Mg CeladoniteK(Mg,Fe2+)Fe3+(Si4O10)(OH)2
Mg ChrysotileMg3(Si2O5)(OH)4
Mg Glauconite(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
Mg IddingsiteMgO · Fe2O3 · 3SiO2·4H2O
Mg SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Mg TalcMg3Si4O10(OH)2
AlAluminium
Al K Feldspar (var: Adularia)KAlSi3O8
Al AlbiteNa(AlSi3O8)
Al AnalcimeNa(AlSi2O6) · H2O
Al Albite (var: Andesine)(Na,Ca)[Al(Si,Al)Si2O8]
Al Beidellite(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
Al Saponite (var: Bowlingite)Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Al Clinoptilolite-CaCa3(Si30Al6)O72·20H2O
Al Clinoptilolite-NaNa6(Si30Al6)O72·20H2O
Al Glauconite(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
Al Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
Al Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
SiSilicon
Si K Feldspar (var: Adularia)KAlSi3O8
Si AlbiteNa(AlSi3O8)
Si AnalcimeNa(AlSi2O6) · H2O
Si Albite (var: Andesine)(Na,Ca)[Al(Si,Al)Si2O8]
Si Beidellite(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
Si Saponite (var: Bowlingite)Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Si CeladoniteK(Mg,Fe2+)Fe3+(Si4O10)(OH)2
Si ChrysotileMg3(Si2O5)(OH)4
Si Clinoptilolite-CaCa3(Si30Al6)O72·20H2O
Si Clinoptilolite-NaNa6(Si30Al6)O72·20H2O
Si CristobaliteSiO2
Si DiatomiteSiO2 · nH2O
Si Glauconite(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
Si IddingsiteMgO · Fe2O3 · 3SiO2·4H2O
Si Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
Si Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si OpalSiO2 · nH2O
Si QuartzSiO2
Si SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Si TalcMg3Si4O10(OH)2
SSulfur
S BaryteBaSO4
S GypsumCaSO4 · 2H2O
S PyriteFeS2
KPotassium
K K Feldspar (var: Adularia)KAlSi3O8
K CeladoniteK(Mg,Fe2+)Fe3+(Si4O10)(OH)2
K Glauconite(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
K Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
K Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca Albite (var: Andesine)(Na,Ca)[Al(Si,Al)Si2O8]
Ca Beidellite(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
Ca Saponite (var: Bowlingite)Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Ca CalciteCaCO3
Ca Clinoptilolite-CaCa3(Si30Al6)O72·20H2O
Ca GypsumCaSO4 · 2H2O
Ca Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Ca SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
TiTitanium
Ti AnataseTiO2
Ti IlmeniteFe2+TiO3
FeIron
Fe Saponite (var: Bowlingite)Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Fe CeladoniteK(Mg,Fe2+)Fe3+(Si4O10)(OH)2
Fe Glauconite(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
Fe Goethiteα-Fe3+O(OH)
Fe IddingsiteMgO · Fe2O3 · 3SiO2·4H2O
Fe IlmeniteFe2+TiO3
Fe Limonite(Fe,O,OH,H2O)
Fe MagnetiteFe2+Fe23+O4
Fe PyriteFeS2
Fe SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
BaBarium
Ba BaryteBaSO4

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
The Shipboard Scientific Party (1974) 6. Site 253 DSDP Volume XXVI


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