Porphyry from
Dicker Willem (Dicker Wilhelm; Garubberg), ǃNamiǂNûs Constituency, ǁKaras Region, Namibia

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Predictive Mineralogy

Classification
Locality type:	Intrusion
Type:	Porphyry
Confirmation
Validity:	Believed Valid
Data
Mineral Data:	Click here to view Porphyry data
Locality Data:	Click here to view Dicker Willem (Dicker Wilhelm; Garubberg), ǃNamiǂNûs Constituency, ǁKaras Region, Namibia
Data Identifiers
Mindat Occurrence Record ID:	1432581
Long-form Identifier:	1:3:1432581:8
GUID (UUID V4):	0
Nearest other occurrences of Porphyry

92.2km (57.3 miles)	ⓘ Drachenberg Complex, ǃNamiǂNûs Constituency, ǁKaras Region, Namibia
94.2km (58.5 miles)	ⓘ Granitberg Complex, ǃNamiǂNûs Constituency, ǁKaras Region, Namibia
References
Jackson, M.P.A. 1976. High-grade metamorphism and migmatization of the Namaqua metamorphic complex around Aus in the southern Namib Desert, South West Africa. Bulletin, University of Cape Town, Department of Geology, Chamber of Mines Precambrian Research Unit, 18. Cooper, A. F. (1988). Geology of Dicker Willem, a subvolcanic carbonatite complex in South-West Africa. *Reid, D. L., Cooper, A. F., Rex, D. C., Harmer, R. E. (1990) Timing of post–Karoo alkaline volcanism in southern Namibia. Geological Magazine, 127 (5) 427-433 doi:10.1017/s001675680001517x* Woldegabriel, Giday, Aronson, James L., Walter, Robert C. (1990) Geology, geochronology, and rift basin development in the central sector of the Main Ethiopia Rift. Geological Society of America Bulletin, 102 (4) 439-458 doi:10.1130/0016-7606(1990)102<0439:ggarbd>2.3.co;2 *Cooper, A. F., Reid, D. L. (1991) Textural evidence for calcite carbonatite magmas, Dicker Willem, southwest Namibia. Geology, 19 (12). 1193-1196 doi:10.1130/0091-7613(1991)019<1193:tefccm>2.3.co;2* Reid, David L., Cooper, Alan F. (1992) Oxygen and carbon isotope patterns in the Dicker Willem carbonatite complex, southern Namibia. Chemical Geology: Isotope Geoscience section, 94 (4). 293-305 doi:10.1016/0168-9622(92)90004-t Cooper, A. F., Reid, D. L. (1998) Nepheline Sovites as Parental Magmas in Carbonatite Complexes: Evidence from Dicker Willem, Southwest Namibia. Journal of Petrology, 39 (11) 2123-2136 doi:10.1093/petroj/39.11-12.2123

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Porphyry from Dicker Willem (Dicker Wilhelm; Garubberg), ǃNamiǂNûs Constituency, ǁKaras Region, Namibia

Porphyry from
Dicker Willem (Dicker Wilhelm; Garubberg), ǃNamiǂNûs Constituency, ǁKaras Region, Namibia