Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org



The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.


Locality Name:
Nakhla Martian Meteorite, Nakhla, Abu Hommos, Alexandria, Egypt


mindat Locality ID: 29685
mindat URL: http://www.mindat.org/loc-29685.html

Tectonic Settings:

Total number of sublocalities beneath "Nakhla Martian Meteorite, Nakhla, Abu Hommos, Alexandria, Egypt": 0
Total number of bottom-level sublocalities: 0

Latitude: 31°8'59"N
Longitude: 30°21'0"E
Decimal Degree (lat, lon): 31.149722222222,30.35
AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
This mineral's age has not yet been recorded.

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Al C Ca Cl Cr Cu Fe H Mg Na O P S Si Ti 

Elements from minerals reported directly at this locality: Al C Ca Cl Cr Cu Fe H Mg Na O P S Si Ti 

Structural Groups for minerals in this locality: 
ApatiteCalciteChalcopyriteClayCorundumDiasporeGypsumNolaniteNoneNot in a structural group
OlivinePyritePyroxeneRocksaltSmectite-vermiculiteSpinel

20 IMA Minerals at location:
Anhydrite  (*)Augite  (*)Calcite  (*)Chalcopyrite  (*)Chlorapatite  (*)
Chromite  (*)Diopside  (*)Fayalite  (*)Ferrihydrite  (*)Goethite  (*)
Gypsum  (*)Halite  (*)Hematite  (*)Ilmenite  (*)Magnetite  (*)
Pigeonite  (*)Pyrite  (*)Saponite  (*)Siderite  (*)Troilite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Anhydrite  (*)Not in a structural groupCa(SO4)01588
Augite  (*)Pyroxene(Ca,Mg,Fe)2Si2O602060
Calcite  (*)CalciteCa(CO3)027770
Chalcopyrite  (*)ChalcopyriteCuFeS2027198
Chlorapatite  (*)ApatiteCa5(PO4)3Cl0203
Chromite  (*)SpinelFe2+Cr2O403902
Diopside  (*)PyroxeneCaMgSi2O604135
Fayalite  (*)OlivineFe2+2(SiO4)0371
Ferrihydrite  (*)NolaniteFe3+10O14(OH)2086
Goethite  (*)DiasporeFeO(OH)07437
Gypsum  (*)GypsumCa(SO4)·2H2O06890
Halite  (*)RocksaltNaCl01398
Hematite  (*)CorundumFe2O3014640
Ilmenite  (*)CorundumFe2+Ti4+O305433
Magnetite  (*)SpinelFe2+Fe3+2O4014899
Pigeonite  (*)Pyroxene(Mg,Fe,Ca)2Si2O60303
Pyrite  (*)PyriteFeS2039462
Saponite  (*)Clay Smectite-vermiculite(Ca,Na)0.3(Mg,Fe)3(Si,Al)4O10(OH)2·4H2O0301
Siderite  (*)CalciteFe(CO3)06417
Troilite  (*)NoneFeS01044


No ages have been assigned to this locality yet.
SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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