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:
Big Water, Freetown Layered Complex, Western Area, Sierra Leone

mindat Locality ID: 302667
mindat URL: http://www.mindat.org/loc-302667.html

Tectonic Settings:

Total number of sublocalities beneath "Big Water, Freetown Layered Complex, Western Area, Sierra Leone": 0
Total number of bottom-level sublocalities: 0

Latitude: 8°17'24"N
Longitude: 13°9'2"W
Decimal Degree (lat, lon): 8.29,-13.150555555556

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.

Auricupride	Baddeleyite	Corundum	Diaspore	None	Perovskite	Potarite	Pyrite	Quartz	Rocksalt
Rutile	Sphalerite	Spinel	Zircon

Baddeleyite ()*	Braggite ()*	Cooperite ()*	Cuproiridsite ()*	Cuprorhodsite ()*
Erlichmanite ()*	Galena ()*	Gibbsite ()*	Goethite ()*	Hematite ()*
Hongshiite ()*	Ilmenite ()*	Irarsite ()*	Isoferroplatinum ()*	Laurite ()*
Maghemite ()*	Magnetite ()*	Osmium ()*	Quartz ()*	Rutile ()*
Sphalerite ()*	Tulameenite ()*	Vysotskite ()*	Zircon ()*

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 Cu Fe H Ir Ni O Os Pb Pd Pt Rh Ru S Si Ti Zn Zr

Elements from minerals reported directly at this locality: Al As Cu Fe H Ir O Os Pb Pd Pt Rh Ru S Si Ti Zn Zr

Structural Groups for minerals in this locality:
Auricupride Baddeleyite Corundum Diaspore None Perovskite Potarite Pyrite Quartz Rocksalt
Rutile Sphalerite Spinel Zircon

24 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Baddeleyite ()*	Baddeleyite	ZrO₂	238
Braggite ()*	None	PdPt₃S₄	101
Cooperite ()*	None	PtS	124
Cuproiridsite ()*	Spinel	Cu(Ir³⁺Ir⁴⁺)S₄	31
Cuprorhodsite ()*	Spinel	(Cu¹⁺_0.5Fe³⁺_0.5)Rh³⁺₂S₄	34
Erlichmanite ()*	Pyrite	OsS₂	110
Galena ()*	Rocksalt	PbS	24243
Gibbsite ()*	None	Al(OH)₃	504
Goethite ()*	Diaspore	FeO(OH)	7437
Hematite ()*	Corundum	Fe₂O₃	14640
Hongshiite ()*	None	PtCu	27
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	5433
Irarsite ()*	Pyrite	IrAsS	154
Isoferroplatinum ()*	Auricupride Perovskite	Pt₃Fe	128
Laurite ()*	Pyrite	RuS₂	226
Maghemite ()*	Spinel	(Fe³⁺_0.67 _0.33)Fe³⁺₂O₄	229
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	14899
Osmium ()*	None	Os	169
Quartz ()*	Quartz	SiO₂	61156
Rutile ()*	Rutile	TiO₂	5614
Sphalerite ()*	Sphalerite	ZnS	21482
Tulameenite ()*	Potarite	Pt₂CuFe	48
Vysotskite ()*	None	PdS	53
Zircon ()*	Zircon	Zr(SiO₄)	5251

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...