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:
Estuaire Province, Gabon

Oldest recorded age at locality: 115
Youngest recorded age at locality: 115

mindat Locality ID: 195908
mindat URL: http://www.mindat.org/loc-195908.html

Tectonic Settings:

Total number of sublocalities beneath "Estuaire Province, Gabon": 4
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Mela
Monts De Cristal Complex
N'Toum

Latitude: 0°24'42"N
Longitude: 9°59'11"E
Decimal Degree (lat, lon): 0.41166666666667,9.9863888888889

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.

Amphibole	Baddeleyite	Chalcopyrite	Clay	Corundum	Feldspar	Mica	Nickeline	None	Olivine
Pentlandite	Pyrite	Spinel	Zircon	Zirconolite

Actinolite ()*	Anorthite ()*	Baddeleyite ()*	Chalcopyrite ()*	Chromite ()*
Forsterite ()*	Hematite ()*	Magnetite ()*	Pentlandite ()*	Phlogopite ()*
Pyrrhotite ()*	Sperrylite ()*	Tremolite ()*	Zircon ()*	Zirconolite ()*

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 As Ca Cr Cu Fe H K Mg Ni O Pt S Si Ti Y Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amphibole Baddeleyite Chalcopyrite Clay Corundum Feldspar Mica Nickeline None Olivine
Pentlandite Pyrite Spinel Zircon Zirconolite

15 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂	1	57149	3419
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)	1	57149	1036
Baddeleyite ()*	Baddeleyite	ZrO₂	1	57149	238
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	57149	27198
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	1	57149	3902
Forsterite ()*	Olivine	Mg₂(SiO₄)	1	57149	1188
Hematite ()*	Corundum	Fe₂O₃	1	57147	14640
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	2	57147,57149	14899
Pentlandite ()*	Pentlandite	(Ni,Fe)₉S₈	1	57149	1512
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	1	57149	2273
Pyrrhotite ()*	Nickeline	Fe₇S₈	1	57149	9056
Sperrylite ()*	Pyrite	PtAs₂	1	57149	337
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	1	57149	2562
Zircon ()*	Zircon	Zr(SiO₄)	1	57149	5251
Zirconolite ()*	Zirconolite	(Ca,Y)Zr(Ti,Mg,Al)₂O₇	1	57149	140

1 Ages assigned to this locality:

	Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Run Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
	sedcu-00427	115	115	Cretaceous, L.Aptian										Cu	228185	N'Toum, Estuaire Province, Gabon	N' Toum	Cox et al. (2003)		USGSOFR03_107

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...