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, Abu Hommos, Alexandria, Egypt

mindat Locality ID: 277246
mindat URL: http://www.mindat.org/loc-277246.html

Tectonic Settings:

Total number of sublocalities beneath "Nakhla, Abu Hommos, Alexandria, Egypt": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Nakhla Martian Meteorite

Latitude: 31°8'59"N
Longitude: 30°21'0"E
Decimal Degree (lat, lon): 31.149722222222,30.35

A	This mineral is Anthropogenic.
G	This mineral is directly dated.
B	This mineral is reported as having this age.
Y	This mineral is using an age reported as an element mineralization period.
O	This mineral is using an age calculated from all data at the locality.
R	The age displayed for this mineral originates from a different, non-child locality.
P	The 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.

Apatite	Calcite	Chalcopyrite	Clay	Corundum	Diaspore	Gypsum	Nolanite	None	Not in a structural group
Olivine	Pyrite	Pyroxene	Rocksalt	Smectite-vermiculite	Spinel

Anhydrite ()*	Augite ()*	Calcite ()*	Chalcopyrite ()*	Chlorapatite ()*
Chromite ()*	Diopside ()*	Fayalite ()*	Ferrihydrite ()*	Goethite ()*
Gypsum ()*	Halite ()*	Hematite ()*	Ilmenite ()*	Magnetite ()*
Pigeonite ()*	Pyrite ()*	Saponite ()*	Siderite ()*	Troilite ()*

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:

Structural Groups for minerals in this locality:
Apatite Calcite Chalcopyrite Clay Corundum Diaspore Gypsum Nolanite None Not in a structural group
Olivine Pyrite Pyroxene Rocksalt Smectite-vermiculite Spinel

20 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Anhydrite ()*	Not in a structural group	Ca(SO₄)	1	49125	1588
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	1	49125	2060
Calcite ()*	Calcite	Ca(CO₃)	1	49125	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	49125	27198
Chlorapatite ()*	Apatite	Ca₅(PO₄)₃Cl	1	49125	203
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	1	49125	3902
Diopside ()*	Pyroxene	CaMgSi₂O₆	1	49125	4135
Fayalite ()*	Olivine	Fe²⁺₂(SiO₄)	1	49125	371
Ferrihydrite ()*	Nolanite	Fe³⁺₁₀O₁₄(OH)₂	1	49125	86
Goethite ()*	Diaspore	FeO(OH)	1	49125	7437
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	1	49125	6890
Halite ()*	Rocksalt	NaCl	1	49125	1398
Hematite ()*	Corundum	Fe₂O₃	1	49125	14640
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1	49125	5433
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	49125	14899
Pigeonite ()*	Pyroxene	(Mg,Fe,Ca)₂Si₂O₆	1	49125	303
Pyrite ()*	Pyrite	FeS₂	1	49125	39462
Saponite ()*	Clay Smectite-vermiculite	(Ca,Na)_0.3(Mg,Fe)₃(Si,Al)₄O₁₀(OH)₂·4H₂O	1	49125	301
Siderite ()*	Calcite	Fe(CO₃)	1	49125	6417
Troilite ()*	None	FeS	1	49125	1044

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...