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:
Isoka, Isoka District, Muchinga Mts., Northern Province, Zambia

Oldest recorded age at locality: 704
Youngest recorded age at locality: 654

mindat Locality ID: 276426
mindat URL: http://www.mindat.org/loc-276426.html

Tectonic Settings:

Total number of sublocalities beneath "Isoka, Isoka District, Muchinga Mts., Northern Province, Zambia": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Nkumbwa Hill Carbonatite (Nkombwa Hill Carbonatite)

Latitude: 10°9'59"S
Longitude: 32°52'0"E
Decimal Degree (lat, lon): -10.166388888889,32.866666666667

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 Ba C Ca Ce F Fe H K Mg O P S Si Sr Ti 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
ApatiteAragoniteBaryteBastnäsiteCalciteClayCorundumFluoriteMicaMonazite
NonePyriteQuartzRutileTitanite

18 IMA Minerals at location:
Ankerite  (*)Baryte  (*)Bastnäsite-(Ce)  (*)Calcite  (*)Daqingshanite-(Ce)  (*)
Dolomite  (*)Fluorite  (*)Fluorstrophite  (*)Ilmenite  (*)Isokite  (*)
Magnesite  (*)Monazite-(Ce)  (*)Phlogopite  (*)Pyrite  (*)Quartz  (*)
Sellaite  (*)Siderite  (*)Strontianite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)270465412951133092
Baryte  (*)BaryteBa(SO4)704654129511311547
Bastnäsite-(Ce)  (*)BastnäsiteCe(CO3)F7046541295113304
Calcite  (*)CalciteCa(CO3)704654129511327770
Daqingshanite-(Ce)  (*)NoneSr3Ce(PO4)(CO3)370465412951139
Dolomite  (*)NoneCaMg(CO3)270465412951139895
Fluorite  (*)FluoriteCaF270465412951139617
Fluorstrophite  (*)ApatiteSrCaSr3(PO4)3F70465412951139
Ilmenite  (*)CorundumFe2+Ti4+O370465412951135433
Isokite  (*)TitaniteCaMg(PO4)F704654129511322
Magnesite  (*)CalciteMg(CO3)70465412951131487
Monazite-(Ce)  (*)MonaziteCe(PO4)7046541295113945
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)270465412951132273
Pyrite  (*)PyriteFeS2704654129511339462
Quartz  (*)QuartzSiO2704654129511361156
Sellaite  (*)RutileMgF2704654129511346
Siderite  (*)CalciteFe(CO3)70465412951136417
Strontianite  (*)AragoniteSr(CO3)7046541295113589



Locality Notes from all Ages at Locality:
Age IDLocality Notes
Jen_0000956MAGMATIC STYLE: 1x1.5 km intrusion, including sills and dykes. ASSOCIATED SILICATE ROCKS: Fenite.


2 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
Jen_0000956704654679±25K-Ar phlogopite   Phlogopite  31173Nkumbwa Hill Carbonatite (Nkombwa Hill Carbonatite), Isoka, Isoka District, Muchinga Mts., Northern Province, ZambiaNkombwaWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 
ree-00795704654Late Proterozoic-- 679 ± 25 Ma (K-Ar, phlo, carbonatite)K-Ar phlogopite   Phlogopite  31173Nkumbwa Hill Carbonatite (Nkombwa Hill Carbonatite), Isoka, Isoka District, Muchinga Mts., Northern Province, ZambiaNkombwa Hill (Nkumbwa, Nkumba)Orris and Grauch (2002) USGSOFR02_189 


SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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