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Massif d'Ambre, Diana, Madagascari
Regional Level Types
Massif d'AmbreVolcanic Field
DianaRegion
MadagascarCountry

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PhotosMapsSearch
Latitude & Longitude:
13° South , 48° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~158km
Age:
9.61 ± 0.45 to 0.85 ± 0.02 Ma
Geologic Time:
Dating method:
K-Ar
Reference for age:
Emerick, C. M., & Duncan, R. A. (1982). Age progressive volcanism in the Comores Archipelago, western Indian Ocean and implications for Somali plate tectonics. Earth and Planetary Science Letters, 60(3), 415-428. doi.org/10.1016/0012-821X(82)90077-2
Mindat Locality ID:
407307
Long-form identifier:
mindat:1:2:407307:2
GUID (UUID V4):
fe628830-a6fc-491c-a21f-e31a00891123


Approximately circular and 85 km in diameter field, extending over 2840 km² and culminating at 1475 m in Montagne d'Ambre.

Approx coords range: 11º57' - 13º06'S; 48º30' - 49º30'E.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


14 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:

Aegirine-augite
Formula: (NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
References:
Aenigmatite
Formula: Na4[Fe2+10Ti2]O4[Si12O36]
References:
'Alkali amphibole'
References:
'Alkali Feldspar'
References:
'Alkali pyroxene'
References:
'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
References:
Analcime
Formula: Na(AlSi2O6) · H2O
References:
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
References:
Arfvedsonite
Formula: [Na][Na2][Fe2+4Fe3+]Si8O22(OH)2
References:
Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
References:
Augite var. Titanium-bearing Augite
Formula: (Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
References:
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
References:
Fayalite
Formula: Fe2+2SiO4
References:
'Fayalite-Forsterite Series'
References:
Hedenbergite
Formula: CaFe2+Si2O6
References:
Hedenbergite var. Ferrosalite
References:
Kaersutite
Formula: NaCa2(Mg3AlTi4+)(Si6Al2)O22O2
References:
Magnetite
Formula: Fe2+Fe3+2O4
References:
'Microlite Group'
Formula: A2-mTa2X6-wZ-n
References:
Nepheline
Formula: Na3K(Al4Si4O16)
References:
'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
References:
Quartz
Formula: SiO2
References:
Riebeckite
Formula: ◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2
References:
Sanidine
Formula: K(AlSi3O8)
References:
'Sodic amphibole'
References:
Titanite
Formula: CaTi(SiO4)O
References:
'Zeolite Group'
References:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
'Microlite Group'4.00.A2-mTa2X6-wZ-n
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
Group 9 - Silicates
Fayalite9.AC.05Fe2+2SiO4
Titanite9.AG.15CaTi(SiO4)O
Hedenbergite
var. Ferrosalite
9.DA.15CaFe2+Si2O6
Augite
var. Titanium-bearing Augite
9.DA.15(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
Hedenbergite9.DA.15CaFe2+Si2O6
Aegirine-augite9.DA.20(NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
Kaersutite9.DE.15NaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Arfvedsonite9.DE.25[Na][Na2][Fe2+4Fe3+]Si8O22(OH)2
Riebeckite9.DE.25◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2
Aenigmatite9.DH.40Na4[Fe2+10Ti2]O4[Si12O36]
Nepheline9.FA.05Na3K(Al4Si4O16)
Sanidine9.FA.30K(AlSi3O8)
'Zeolite Group'9.G0.
Analcime9.GB.05Na(AlSi2O6) · H2O
Unclassified
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Fayalite-Forsterite Series'-
'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Alkali Feldspar'-
'Sodic amphibole'-
'Alkali pyroxene'-
'Alkali amphibole'-

List of minerals for each chemical element

HHydrogen
H Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
H AnalcimeNa(AlSi2O6) · H2O
H Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
H Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
H ApatiteCa5(PO4)3(Cl/F/OH)
OOxygen
O Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
O AenigmatiteNa4[Fe102+Ti2]O4[Si12O36]
O Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
O AnalcimeNa(AlSi2O6) · H2O
O Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
O Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
O FayaliteFe22+SiO4
O HedenbergiteCaFe2+Si2O6
O KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
O MagnetiteFe2+Fe23+O4
O NephelineNa3K(Al4Si4O16)
O QuartzSiO2
O Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
O SanidineK(AlSi3O8)
O TitaniteCaTi(SiO4)O
O Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
O Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
O ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
F Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
F ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Na Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Na AenigmatiteNa4[Fe102+Ti2]O4[Si12O36]
Na AnalcimeNa(AlSi2O6) · H2O
Na Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Na KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Na NephelineNa3K(Al4Si4O16)
Na Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
Na Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Na Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
MgMagnesium
Mg Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Mg Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mg KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Mg Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
AlAluminium
Al Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Al Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Al AnalcimeNa(AlSi2O6) · H2O
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Al KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Al NephelineNa3K(Al4Si4O16)
Al SanidineK(AlSi3O8)
Al Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Al Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
SiSilicon
Si Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Si AenigmatiteNa4[Fe102+Ti2]O4[Si12O36]
Si Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Si AnalcimeNa(AlSi2O6) · H2O
Si Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Si Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Si FayaliteFe22+SiO4
Si HedenbergiteCaFe2+Si2O6
Si KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Si NephelineNa3K(Al4Si4O16)
Si QuartzSiO2
Si Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
Si SanidineK(AlSi3O8)
Si TitaniteCaTi(SiO4)O
Si Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Si Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
PPhosphorus
P ApatiteCa5(PO4)3(Cl/F/OH)
ClChlorine
Cl Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Cl ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
K NephelineNa3K(Al4Si4O16)
K SanidineK(AlSi3O8)
CaCalcium
Ca Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Ca Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Ca HedenbergiteCaFe2+Si2O6
Ca KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Ca TitaniteCaTi(SiO4)O
Ca Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Ca Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
Ca ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Ti AenigmatiteNa4[Fe102+Ti2]O4[Si12O36]
Ti Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Ti BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Ti KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Ti TitaniteCaTi(SiO4)O
Ti Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
FeIron
Fe Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Fe AenigmatiteNa4[Fe102+Ti2]O4[Si12O36]
Fe Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Fe Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fe FayaliteFe22+SiO4
Fe HedenbergiteCaFe2+Si2O6
Fe MagnetiteFe2+Fe23+O4
Fe Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
Fe Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
TaTantalum
Ta Microlite GroupA2-mTa2X6-wZ-n

Other Regions, Features and Areas containing this locality

African Plate
Madagascar
Somali PlateTectonic Plate

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

 
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