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:
Cercle De Yanfolila, Sikasso Region, Mali

mindat Locality ID: 30923
mindat URL: http://www.mindat.org/loc-30923.html

Tectonic Settings:

Total number of sublocalities beneath "Cercle De Yanfolila, Sikasso Region, Mali": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Bale Placers
Kalana Mine
Kodieran Mine

Latitude: 10°48'0"N
Longitude: 8°11'52"W
Decimal Degree (lat, lon): 10.8,-8.1977777777778

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.

Arsenic	Arsenopyrite	Chalcopyrite	Clay	Copper	Lillianite	Mica	Nickeline	None	Not in a structural group
Pyrite	Quartz	Rocksalt	Scheelite	Sphalerite	Stibnite

Ankerite ()*	Arsenopyrite ()*	Aschamalmite ()*	Bismuth ()*	Bismuthinite ()*
Chalcopyrite ()*	Cosalite ()*	Galena ()*	Gold ()*	Graphite ()*
Jonassonite ()*	Muscovite ()*	Pyrite ()*	Pyrrhotite ()*	Quartz ()*
Scheelite ()*	Sphalerite ()*

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 Au Bi C Ca Cu Fe H K O Pb S Si W Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Arsenic Arsenopyrite Chalcopyrite Clay Copper Lillianite Mica Nickeline None Not in a structural group
Pyrite Quartz Rocksalt Scheelite Sphalerite Stibnite

17 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	1	80261	3092
Arsenopyrite ()*	Arsenopyrite	FeAsS	1	80261	9052
Aschamalmite ()*	Lillianite	Pb_6-3xBi_2+xS₉	1	80261	16
Bismuth ()*	Arsenic	Bi	1	80261	1966
Bismuthinite ()*	Stibnite	Bi₂S₃	1	80261	1935
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	80261	27198
Cosalite ()*	None	Pb₂Bi₂S₅	1	80261	344
Galena ()*	Rocksalt	PbS	1	80261	24243
Gold ()*	Copper	Au	3	80260,80261,80262	30554
Graphite ()*	None	C	1	80261	2812
Jonassonite ()*	Not in a structural group	Au(Bi,Pb)₅S₄	1	80261	19
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	80261	17380
Pyrite ()*	Pyrite	FeS₂	1	80261	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	1	80261	9056
Quartz ()*	Quartz	SiO₂	1	80261	61156
Scheelite ()*	Scheelite	Ca(WO₄)	1	80261	4894
Sphalerite ()*	Sphalerite	ZnS	1	80261	21482

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...