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O'Brian prospect (O'Briens), Mazowe District, Mashonaland Central, Zimbabwei
Regional Level Types
O'Brian prospect (O'Briens)Prospect
Mazowe DistrictDistrict
Mashonaland CentralProvince
ZimbabweCountry

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Key
Latitude & Longitude (WGS84):
17° 24' 18'' South , 30° 55' 27'' East
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Concession4,983 (2013)3.6km
Mazowe9,966 (2014)12.2km
Glendale9,768 (2012)16.1km
Mvurwi7,970 (2013)42.1km
Bindura37,423 (2010)44.6km


The corundum was produced from an eluvial deposit found as a layer 2-3m below the surface. The average diameter of boulders is 30cm. 4,000 tons of corundum were mined between 1988 and 2000.

Select Mineral List Type

Standard Detailed Gallery Strunz Dana Chemical Elements

Mineral List


8 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Andalusite
Formula: Al2(SiO4)O
Reference: W. Schreyer (1988) A discussion of: “Corundum, Cr-muscovite rocks at O'Briens, Zimbabwe: the conjunction of hydrothermal desilicification and LIL-element enrichment — geochemical and isotopic evidence” by Kerrich et al. Contributions to Mineralogy and Petrology 100:552-554 ; Kerrich, R., Fyfe, W. S., Barnett, R. L., Blair, B. B., & Willmore, L. M. (1987). Corundum, Cr-muscovite rocks at O'Briens, Zimbabwe: the conjunction of hydrothermal desilicification and LIL-element enrichment—geochemical and isotopic evidence. Contributions to Mineralogy and Petrology, 95(4), 481-498.
'Chlorite Group'
Reference: Kerrich, R., Fyfe, W. S., Barnett, R. L., Blair, B. B., & Willmore, L. M. (1987). Corundum, Cr-muscovite rocks at O'Briens, Zimbabwe: the conjunction of hydrothermal desilicification and LIL-element enrichment—geochemical and isotopic evidence. Contributions to Mineralogy and Petrology, 95(4), 481-498.
Corundum
Formula: Al2O3
Reference: Cairncross, B. (2004) Field Guide To Rocks & Minerals Of Southern Africa: 80.; W. Schreyer (1988) A discussion of: “Corundum, Cr-muscovite rocks at O'Briens, Zimbabwe: the conjunction of hydrothermal desilicification and LIL-element enrichment — geochemical and isotopic evidence” by Kerrich et al. Contributions to Mineralogy and Petrology 100:552-554 ; Kerrich, R., Fyfe, W. S., Barnett, R. L., Blair, B. B., & Willmore, L. M. (1987). Corundum, Cr-muscovite rocks at O'Briens, Zimbabwe: the conjunction of hydrothermal desilicification and LIL-element enrichment—geochemical and isotopic evidence. Contributions to Mineralogy and Petrology, 95(4), 481-498.
Diaspore
Formula: AlO(OH)
Reference: Kerrich, R., Fyfe, W. S., Barnett, R. L., Blair, B. B., & Willmore, L. M. (1987). Corundum, Cr-muscovite rocks at O'Briens, Zimbabwe: the conjunction of hydrothermal desilicification and LIL-element enrichment—geochemical and isotopic evidence. Contributions to Mineralogy and Petrology, 95(4), 481-498.
Margarite
Formula: CaAl2(Al2Si2O10)(OH)2
Reference: Kerrich, R., Fyfe, W. S., Barnett, R. L., Blair, B. B., & Willmore, L. M. (1987). Corundum, Cr-muscovite rocks at O'Briens, Zimbabwe: the conjunction of hydrothermal desilicification and LIL-element enrichment—geochemical and isotopic evidence. Contributions to Mineralogy and Petrology, 95(4), 481-498.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: W. Schreyer (1988) A discussion of: “Corundum, Cr-muscovite rocks at O'Briens, Zimbabwe: the conjunction of hydrothermal desilicification and LIL-element enrichment — geochemical and isotopic evidence” by Kerrich et al. Contributions to Mineralogy and Petrology 100:552-554 ; Kerrich, R., Fyfe, W. S., Barnett, R. L., Blair, B. B., & Willmore, L. M. (1987). Corundum, Cr-muscovite rocks at O'Briens, Zimbabwe: the conjunction of hydrothermal desilicification and LIL-element enrichment—geochemical and isotopic evidence. Contributions to Mineralogy and Petrology, 95(4), 481-498.
Muscovite var. Fuchsite
Formula: K(Al,Cr)3Si3O10(OH)2
Reference: W. Schreyer (1988) A discussion of: “Corundum, Cr-muscovite rocks at O'Briens, Zimbabwe: the conjunction of hydrothermal desilicification and LIL-element enrichment — geochemical and isotopic evidence” by Kerrich et al. Contributions to Mineralogy and Petrology 100:552-554
Paragonite
Formula: NaAl2(AlSi3O10)(OH)2
Reference: Kerrich, R., Fyfe, W. S., Barnett, R. L., Blair, B. B., & Willmore, L. M. (1987). Corundum, Cr-muscovite rocks at O'Briens, Zimbabwe: the conjunction of hydrothermal desilicification and LIL-element enrichment—geochemical and isotopic evidence. Contributions to Mineralogy and Petrology, 95(4), 481-498.
Quartz
Formula: SiO2
Reference: Kerrich, R., Fyfe, W. S., Barnett, R. L., Blair, B. B., & Willmore, L. M. (1987). Corundum, Cr-muscovite rocks at O'Briens, Zimbabwe: the conjunction of hydrothermal desilicification and LIL-element enrichment—geochemical and isotopic evidence. Contributions to Mineralogy and Petrology, 95(4), 481-498.
Rutile
Formula: TiO2
Reference: W. Schreyer (1988) A discussion of: “Corundum, Cr-muscovite rocks at O'Briens, Zimbabwe: the conjunction of hydrothermal desilicification and LIL-element enrichment — geochemical and isotopic evidence” by Kerrich et al. Contributions to Mineralogy and Petrology 100:552-554

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Corundum4.CB.05Al2O3
Diaspore4.FD.10AlO(OH)
Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Group 9 - Silicates
Andalusite9.AF.10Al2(SiO4)O
Margarite9.EC.30CaAl2(Al2Si2O10)(OH)2
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var. Fuchsite9.EC.15K(Al,Cr)3Si3O10(OH)2
Paragonite9.EC.15NaAl2(AlSi3O10)(OH)2
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
A2X3
Corundum4.3.1.1Al2O3
AX2
Rutile4.4.1.1TiO2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Diaspore6.1.1.1AlO(OH)
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [4] and >[4] coordination
Andalusite52.2.2b.1Al2(SiO4)O
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Margarite71.2.2c.1CaAl2(Al2Si2O10)(OH)2
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Paragonite71.2.2a.2NaAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Chlorite Group'-
Muscovite
var. Fuchsite
-K(Al,Cr)3Si3O10(OH)2

List of minerals for each chemical element

HHydrogen
H Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
H MuscoviteKAl2(AlSi3O10)(OH)2
H DiasporeAlO(OH)
H MargariteCaAl2(Al2Si2O10)(OH)2
H ParagoniteNaAl2(AlSi3O10)(OH)2
OOxygen
O CorundumAl2O3
O AndalusiteAl2(SiO4)O
O RutileTiO2
O Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
O MuscoviteKAl2(AlSi3O10)(OH)2
O DiasporeAlO(OH)
O MargariteCaAl2(Al2Si2O10)(OH)2
O ParagoniteNaAl2(AlSi3O10)(OH)2
O QuartzSiO2
NaSodium
Na ParagoniteNaAl2(AlSi3O10)(OH)2
AlAluminium
Al CorundumAl2O3
Al AndalusiteAl2(SiO4)O
Al Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al DiasporeAlO(OH)
Al MargariteCaAl2(Al2Si2O10)(OH)2
Al ParagoniteNaAl2(AlSi3O10)(OH)2
SiSilicon
Si AndalusiteAl2(SiO4)O
Si Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si MargariteCaAl2(Al2Si2O10)(OH)2
Si ParagoniteNaAl2(AlSi3O10)(OH)2
Si QuartzSiO2
KPotassium
K Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca MargariteCaAl2(Al2Si2O10)(OH)2
TiTitanium
Ti RutileTiO2
CrChromium
Cr Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Kerrich, R., Fyfe, W.S., Barnett, R.L., Blair, B.B., Willmore, L.M. (1987) Corundum, Cr-muscovite rocks at O'Briens, Zimbabwe: the conjunction of hydrothermal desilicification and LIL-element enrichment—geochemical and isotopic evidence. Contributions to Mineralogy and Petrology: 95(4): 481-498.
Mugumbate, R. Oesterlen, P.M., Masiyambiri, S., Dube, W. (2001) Industrial Minerals and Rock Deposits of Zimbabwe. Zimbabwe Geological Survey Mineral Resources Series No. 27., Harare; 159 pages.
Cairncross, B. (2004) Field Guide To Rocks & Minerals Of Southern Africa: 82.

Other Regions, Features and Areas containing this locality

African PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
 
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