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Site 253, Leg 26, D.S.D.P., Ninety East Ridge (90° E Ridge; Indian Ridge), Indian Oceani
Regional Level Types
Site 253Borehole
Leg 26- not defined -
D.S.D.P.- not defined -
Ninety East Ridge (90° E Ridge; Indian Ridge)Ridge
Indian OceanOcean

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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
GRN:
S17E57
Type:
Borehole
Age:
56.0 to 33.9 Ma
Geologic Time:
Eocene
Mindat Locality ID:
68172
Long-form identifier:
mindat:1:2:68172:9
GUID (UUID V4):
0


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 Gallery Strunz Chemical Elements

Mineral List


22 valid minerals.

Rock Types Recorded

Note: 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.
ⓘ Albite var. Andesine
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
Description: Detritic phase.
ⓘ Analcime
Formula: Na(AlSi2O6) · H2O
Description: Basal Unit.
ⓘ Anatase
Formula: TiO2
ⓘ Baryte
Formula: BaSO4
ⓘ Beidellite
Formula: (Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
Description: Fe-rich beidellite (Upper Unit).
ⓘ Calcite
Formula: CaCO3
ⓘ Celadonite
Formula: K(MgFe3+◻)(Si4O10)(OH)2
Description: Upper and Basal Units.
ⓘ 'Chlorite Group'
Description: Basal Unit.
ⓘ Chrysotile
Formula: Mg3(Si2O5)(OH)4
ⓘ Clinoptilolite-Ca
Formula: Ca3(Si30Al6)O72 · 20H2O
Description: Upper and Middle Unit.
ⓘ Clinoptilolite-Na
Formula: Na6(Si30Al6)O72 · 20H2O
Description: Basal Unit.
ⓘ 'Clinoptilolite Subgroup'
Formula: (Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
ⓘ Cristobalite
Formula: SiO2
Description: Opal CT lepispheres.
ⓘ 'Fayalite-Forsterite Series'
ⓘ 'Glass'
ⓘ 'Glauconite'
Formula: K0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
ⓘ Goethite
Formula: Fe3+O(OH)
ⓘ Gypsum
Formula: CaSO4 · 2H2O
ⓘ 'Iddingsite'
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ 'K Feldspar'
Description: Authigenetic phase.
ⓘ 'K Feldspar var. Adularia'
Formula: KAlSi3O8
ⓘ 'Limonite'
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Mordenite
Formula: (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Description: Middle Unit.
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Description: Upper and Basal Units.
ⓘ Muscovite var. Illite
Formula: K0.65Al2.0[Al0.65Si3.35O10](OH)2
Description: Upper and Basal Units.
ⓘ Opal
Formula: SiO2 · nH2O
Description: Opal CT lepispheres.
ⓘ 'Palagonite'
ⓘ 'Phillipsite Subgroup'
Formula: (Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Description: Upper Unit.
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Saponite
Formula: Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Description: Fe-rich saponite (Basal Unit).
ⓘ Saponite var. Bowlingite ?
Formula: Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
ⓘ 'Smectite Group'
Formula: A0.3D2-3[T4O10]Z2 · nH2O
Description: Mixed-layer (interstratified) illite/smectite phases. Basal Unit.
ⓘ Talc
Formula: Mg3Si4O10(OH)2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘGoethite4.00.Fe3+O(OH)
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘQuartz4.DA.05SiO2
ⓘOpal4.DA.10SiO2 · nH2O
ⓘCristobalite4.DA.15SiO2
ⓘAnatase4.DD.05TiO2
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
ⓘChrysotile9.00.Mg3(Si2O5)(OH)4
ⓘTalc9.EC.05Mg3Si4O10(OH)2
ⓘCeladonite9.EC.15K(MgFe3+◻)(Si4O10)(OH)2
ⓘMuscovite
var. Illite		9.EC.15K0.65Al2.0[Al0.65Si3.35O10](OH)2
ⓘ9.EC.15KAl2(AlSi3O10)(OH)2
ⓘBeidellite9.EC.40(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
ⓘSaponite9.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
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘvar. Andesine9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
ⓘAnalcime9.GB.05Na(AlSi2O6) · H2O
ⓘMordenite9.GD.35(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
ⓘClinoptilolite-Ca9.GE.05Ca3(Si30Al6)O72 · 20H2O
ⓘClinoptilolite-Na9.GE.05Na6(Si30Al6)O72 · 20H2O
Unclassified
ⓘ'K Feldspar
var. Adularia'		-KAlSi3O8
ⓘ'Chlorite Group'-
ⓘ'Clinoptilolite Subgroup'-(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
ⓘ'Glauconite'-K0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
ⓘ'Limonite'-
ⓘ'Phillipsite Subgroup'-(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
ⓘ'Iddingsite'-
ⓘ'Fayalite-Forsterite Series'-
ⓘ'K Feldspar'-
ⓘ'Smectite Group'-A0.3D2-3[T4O10]Z2 · nH2O
ⓘ'Glass'-
ⓘ'Palagonite'-

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ⓘ CeladoniteK(MgFe3+◻)(Si4O10)(OH)2
Hⓘ ChrysotileMg3(Si2O5)(OH)4
Hⓘ Clinoptilolite Subgroup(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
Hⓘ GlauconiteK0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
Hⓘ GoethiteFe3+O(OH)
Hⓘ GypsumCaSO4 · 2H2O
Hⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Hⓘ Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ OpalSiO2 · nH2O
Hⓘ Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Hⓘ SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Hⓘ TalcMg3Si4O10(OH)2
Hⓘ Clinoptilolite-CaCa3(Si30Al6)O72 · 20H2O
Hⓘ Clinoptilolite-NaNa6(Si30Al6)O72 · 20H2O
Hⓘ Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
Hⓘ Saponite var. BowlingiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
CCarbon
Cⓘ CalciteCaCO3
OOxygen
Oⓘ K Feldspar var. AdulariaKAlSi3O8
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ⓘ CalciteCaCO3
Oⓘ CeladoniteK(MgFe3+◻)(Si4O10)(OH)2
Oⓘ ChrysotileMg3(Si2O5)(OH)4
Oⓘ Clinoptilolite Subgroup(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
Oⓘ CristobaliteSiO2
Oⓘ GlauconiteK0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
Oⓘ GoethiteFe3+O(OH)
Oⓘ GypsumCaSO4 · 2H2O
Oⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Oⓘ IlmeniteFe2+TiO3
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ OpalSiO2 · nH2O
Oⓘ Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Oⓘ QuartzSiO2
Oⓘ SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Oⓘ TalcMg3Si4O10(OH)2
Oⓘ Clinoptilolite-CaCa3(Si30Al6)O72 · 20H2O
Oⓘ Clinoptilolite-NaNa6(Si30Al6)O72 · 20H2O
Oⓘ Fayalite-Forsterite Series
Oⓘ Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
Oⓘ Saponite var. BowlingiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
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 Subgroup(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
Naⓘ Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Naⓘ Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Naⓘ Clinoptilolite-NaNa6(Si30Al6)O72 · 20H2O
MgMagnesium
Mgⓘ CeladoniteK(MgFe3+◻)(Si4O10)(OH)2
Mgⓘ ChrysotileMg3(Si2O5)(OH)4
Mgⓘ GlauconiteK0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
Mgⓘ SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Mgⓘ TalcMg3Si4O10(OH)2
Mgⓘ Fayalite-Forsterite Series
Mgⓘ Saponite var. BowlingiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
AlAluminium
Alⓘ K Feldspar var. AdulariaKAlSi3O8
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ⓘ Clinoptilolite Subgroup(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
Alⓘ GlauconiteK0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
Alⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Alⓘ Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Alⓘ SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Alⓘ Clinoptilolite-CaCa3(Si30Al6)O72 · 20H2O
Alⓘ Clinoptilolite-NaNa6(Si30Al6)O72 · 20H2O
Alⓘ Saponite var. BowlingiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
SiSilicon
Siⓘ K Feldspar var. AdulariaKAlSi3O8
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ⓘ CeladoniteK(MgFe3+◻)(Si4O10)(OH)2
Siⓘ ChrysotileMg3(Si2O5)(OH)4
Siⓘ Clinoptilolite Subgroup(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
Siⓘ CristobaliteSiO2
Siⓘ GlauconiteK0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
Siⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Siⓘ Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ OpalSiO2 · nH2O
Siⓘ Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Siⓘ QuartzSiO2
Siⓘ SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Siⓘ TalcMg3Si4O10(OH)2
Siⓘ Clinoptilolite-CaCa3(Si30Al6)O72 · 20H2O
Siⓘ Clinoptilolite-NaNa6(Si30Al6)O72 · 20H2O
Siⓘ Fayalite-Forsterite Series
Siⓘ Saponite var. BowlingiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
SSulfur
Sⓘ BaryteBaSO4
Sⓘ GypsumCaSO4 · 2H2O
Sⓘ PyriteFeS2
KPotassium
Kⓘ K Feldspar var. AdulariaKAlSi3O8
Kⓘ CeladoniteK(MgFe3+◻)(Si4O10)(OH)2
Kⓘ Clinoptilolite Subgroup(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
Kⓘ GlauconiteK0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
Kⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Kⓘ Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
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ⓘ CalciteCaCO3
Caⓘ Clinoptilolite Subgroup(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
Caⓘ GypsumCaSO4 · 2H2O
Caⓘ Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Caⓘ Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Caⓘ SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Caⓘ Clinoptilolite-CaCa3(Si30Al6)O72 · 20H2O
Caⓘ Saponite var. BowlingiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
TiTitanium
Tiⓘ AnataseTiO2
Tiⓘ IlmeniteFe2+TiO3
FeIron
Feⓘ CeladoniteK(MgFe3+◻)(Si4O10)(OH)2
Feⓘ GlauconiteK0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
Feⓘ GoethiteFe3+O(OH)
Feⓘ IlmeniteFe2+TiO3
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ PyriteFeS2
Feⓘ SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Feⓘ Fayalite-Forsterite Series
Feⓘ Saponite var. BowlingiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
BaBarium
Baⓘ BaryteBaSO4
Baⓘ Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O

Other Regions, Features and Areas containing this locality

Australian PlateTectonic Plate
Indian OceanOcean

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

The Shipboard Scientific Party (1974) 6. Site 253 DSDP Volume XXVI
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