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:
Kayes Region, Mali

Oldest recorded age at locality: 900
Youngest recorded age at locality: 145

mindat Locality ID: 5859
mindat URL: http://www.mindat.org/loc-5859.html

Tectonic Settings:

Total number of sublocalities beneath "Kayes Region, Mali": 109
Total number of bottom-level sublocalities: 69

Number of Child Localities: 7
Child Localities:
Cercle De Bafoulabé
Cercle De Kayes
Cercle De Kéniéba
Cercle De Nioro Du Sahel
Diangoute Prospect
Falea
Gangontery

Latitude: 13°44'56"N
Longitude: 10°45'47"W
Decimal Degree (lat, lon): 13.748888888889,-10.763055555556
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 As Au C Ca Cu F Fe H K Mg Na Ni O Pb S Si Ti W 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllophaneAmorphousAmphiboleArsenopyriteChalcopyriteChloriteClayClinozoisiteCopperCorundum
CovelliteDiamondEpidoteFeldsparGarnetIronKaoliniteMalachiteMicaNickeline
NoneNot in a structural groupPrehnitePyritePyroxeneQuartzRocksaltScheeliteSpinelStilbite
TetrahedriteTitaniteVesuvianite

37 IMA Minerals at location:
Actinolite  (*)Albite  (*)Andradite  (*)Ankerite  (*)Arsenopyrite  (*)
Azurite  (*)Bornite  (*)Chalcocite  (*)Chalcopyrite  (*)Chamosite  (*)
Chrysocolla  (*)Clinochlore  (*)Covellite  (*)Diamond  (*)Diopside  (*)
Epidote  (*)Galena  (*)Gold  (*)Grossular  (*)Hematite  (*)
Iron  (*)Kaolinite  (*)Magnetite  (*)Malachite  (*)Muscovite  (*)
Opal  (*)Gersdorffite-Pa3  (*)Pargasite  (*)Prehnite  (*)Pyrite  (*)
Pyrrhotite  (*)Quartz  (*)Scheelite  (*)Stilbite-Ca  (*)Tennantite-(Fe)  (*)
Titanite  (*)Vesuvianite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Actinolite  (*)Amphibole   Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)2201145280144,802283419
Albite  (*)FeldsparNa(AlSi3O8)1802138803
Andradite  (*)GarnetCa3Fe3+2(SiO4)3201145680136,80137,80141,80158,80181,802281534
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)21802133092
Arsenopyrite  (*)ArsenopyriteFeAsS900900580199,80212,80213,80217,802369052
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)21801515509
Bornite  (*)NoneCu5FeS49009001802365516
Chalcocite  (*)NoneCu2S5605601802235707
Chalcopyrite  (*)ChalcopyriteCuFeS290090018023627198
Chamosite  (*)Chlorite Clay(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8201145180228577
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O5605601802233531
Clinochlore  (*)Chlorite ClayMg5Al(AlSi3O10)(OH)8580136,80164,80182,80194,801951756
Covellite  (*)CovelliteCuS9009001802364165
Diamond  (*)DiamondC180202697
Diopside  (*)PyroxeneCaMgSi2O61801554135
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)2011452380132,80136,80137,80138,80140,80141,80142,80143,80149,80150,80151,80153,80154,80159,80164,80180,80182,80186,80187,80194,80218,80228,802348173
Galena  (*)RocksaltPbS90090018023624243
Gold  (*)CopperAu1280199,80200,80201,80205,80207,80211,80212,80213,80215,80216,80217,8023530554
Grossular  (*)GarnetCa3Al2(SiO4)3201145980136,80141,80155,80177,80182,80187,80189,80194,802281544
Hematite  (*)CorundumFe2O3280136,8018614640
Iron  (*)IronFe1801411089
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)41801995591
Magnetite  (*)SpinelFe2+Fe3+2O4201145280136,8022814899
Malachite  (*)MalachiteCu2(CO3)(OH)2560560280151,8022312537
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)218021317380
Opal  (*)AmorphousSiO2·nH2O1802322994
Gersdorffite-Pa3  (*)PyriteNiAsS180212767
Pargasite  (*)AmphiboleNaCa2(Mg4Al)(Si6Al2)O22(OH)2280132,80143313
Prehnite  (*)PrehniteCa2Al(Si3Al)O10(OH)22011452180132,80136,80137,80138,80140,80142,80143,80144,80149,80150,80151,80153,80159,80176,80180,80182,80199,80218,80228,80231,802341898
Pyrite  (*)PyriteFeS2900900680136,80199,80212,80213,80217,8023639462
Pyrrhotite  (*)NickelineFe7S8380199,80212,802179056
Quartz  (*)QuartzSiO2201145980136,80137,80151,80153,80212,80213,80217,80228,8023561156
Scheelite  (*)ScheeliteCa(WO4)1802134894
Stilbite-Ca  (*)StilbiteNaCa4(Si27Al9)O72·28H2O180159268
Tennantite-(Fe)  (*)TetrahedriteCu6(Cu4Fe2)As4S139009001802361803
Titanite  (*)TitaniteCaTi(SiO4)O201145580136,80140,80164,80182,802284899
Vesuvianite  (*)Vesuvianite(Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)10201145580136,80164,80176,80182,802281395


Locality Notes from all Ages at Locality:
Age IDLocality Notes
Giersdorf_00000270Diabase intrusions into limestone in Mali, forming the Kaarta Massif


4 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
sedcu-00515560560L.Cambrian       Cu228182Niami, Commune Diaye Coura, Cercle De Nioro Du Sahel, Kayes Region, MaliNiamiCox et al. (2003) USGSOFR03_107 
Giersdorf_00000270201145Jurassic      Epidote, Prehnite, Vesuvianite 27645Sandaré, Arrondissement Sandaré, Commune Sandaré, Cercle De Nioro Du Sahel, Kayes Region, MaliSandaréJohnson et al. (1995) GG31_152Age of diabase intrusions into limestone
sedcu-00517900900U. Proterozoic       Cu228184Falea, Kayes Region, MaliFaleaCox et al. (2003) USGSOFR03_107 
sedcu-00516560560L.Cambrian       Cu228183Gangontery, Kayes Region, MaliGangonteryCox et al. (2003) USGSOFR03_107 

SampleSource LocalityReference URL
R050081Kayes Region, Malihttps://rruff.info/R050081
R060278Commune Diakon, Cercle De Bafoulabé, Kayes Region, Malihttps://rruff.info/R060278
R050055Arrondissement Diakon (Diako), Commune Diakon, Cercle De Bafoulabé, Kayes Region, Malihttps://rruff.info/R050055

All locality data graciously provided by mindat.org

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