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:
Shawa Mine, Dorowa, Shawa Complex, Buhera District, Manicaland, Zimbabwe

Oldest recorded age at locality: 225
Youngest recorded age at locality: 193

mindat Locality ID: 247000
mindat URL: http://www.mindat.org/loc-247000.html

Tectonic Settings:

Total number of sublocalities beneath "Shawa Mine, Dorowa, Shawa Complex, Buhera District, Manicaland, Zimbabwe": 0
Total number of bottom-level sublocalities: 0

Latitude: 19°11'34"S
Longitude: 31°43'18"E
Decimal Degree (lat, lon): -19.192777777778,31.721666666667
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 F Fe H K Mg Na O P S Si Ti Zr 

Elements from minerals reported directly at this locality: Al Ba C Ca F Fe H K Mg Na O P S Si Ti Zr 

Structural Groups for minerals in this locality: 
AmphiboleApatiteBaddeleyiteBaryteCalciteCancriniteCancrinite-sodaliteClayCorundumFeldspar
NonePyroxeneQuartzSmectite-vermiculiteSodaliteSpinelTitaniteTridymite

20 IMA Minerals at location:
Actinolite  (*)Albite  (*)Augite  (*)Baddeleyite  (*)Baryte  (*)
Calcite  (*)Cancrinite  (*)Diopside  (*)Dolomite  (*)Enstatite  (*)
Fluorapatite  (*)Hematite  (*)Lazurite  (*)Magnesite  (*)Magnetite  (*)
Montmorillonite  (*)Nepheline  (*)Quartz  (*)Titanite  (*)Vermiculite  (*)
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)222519303419
Albite  (*)FeldsparNa(AlSi3O8)22519308803
Augite  (*)Pyroxene(Ca,Mg,Fe)2Si2O622519302060
Baddeleyite  (*)BaddeleyiteZrO22251930238
Baryte  (*)BaryteBa(SO4)225193011547
Calcite  (*)CalciteCa(CO3)225193027770
Cancrinite  (*)Cancrinite(Na,Ca,   )8(Al6Si6)O24(CO3,SO4)2·2H2O2251930232
Diopside  (*)PyroxeneCaMgSi2O622519304135
Dolomite  (*)NoneCaMg(CO3)222519309895
Enstatite  (*)PyroxeneMg2Si2O62251930944
Fluorapatite  (*)ApatiteCa5(PO4)3F22519302740
Hematite  (*)CorundumFe2O3225193014640
Lazurite  (*)Cancrinite-sodalite SodaliteNa7Ca(Al6Si6O24)(SO4)(S3)1-·H2O225193037
Magnesite  (*)CalciteMg(CO3)22519301487
Magnetite  (*)SpinelFe2+Fe3+2O4225193014899
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O22519301508
Nepheline  (*)TridymiteNa3K(Al4Si4O16)2251930884
Quartz  (*)QuartzSiO2225193061156
Titanite  (*)TitaniteCaTi(SiO4)O22519304899
Vermiculite  (*)Clay Smectite-vermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4·8H2O2251930652


Locality Notes from all Ages at Locality:
Age IDLocality Notes
Jen_0000796MAGMATIC STYLE: 1.5 km diameter ring dyke 30-300 m in thickness and dykes. ASSOCIATED SILICATE ROCKS: Ijolite, with areas of melteigite and urtite, nepheline-bearing syenite, serpentinite, dunite and fenite.


1 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_0000796225193209±16Rb-Sr biotite     247000Shawa Mine, Dorowa, Shawa Complex, Buhera District, Manicaland, ZimbabweShawaWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 

SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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