Locality type:

Complex

Classification

Species:

Quartz

Formula:

SiO₂

Confirmation

Validity:

Believed Valid

Data

Mineral Data:

Click here to view Quartz data

Locality Data:

Click here to view Granitberg Complex, ǃNamiǂNûs Constituency, ǁKaras Region, Namibia

Data Identifiers

Mindat Occurrence Record ID:

1432656

Long-form Identifier:

1:3:1432656:1

GUID (UUID V4):

7cbdfe4c-b009-45a7-9884-01c7e89d4b00

Nearest other occurrences of Quartz

36.1km (22.4 miles)

ⓘ Pomona Complex, ǃNamiǂNûs Constituency, ǁKaras Region, Namibia

75.6km (47.0 miles)

ⓘ Chamais Plug, ǃNamiǂNûs Constituency, ǁKaras Region, Namibia

83.5km (51.9 miles)

ⓘ Roter Kamm Crater, ǃNamiǂNûs Constituency, ǁKaras Region, Namibia

87.8km (54.6 miles)

ⓘ Agate Beach, Lüderitz, ǃNamiǂNûs Constituency, ǁKaras Region, Namibia

88.0km (54.7 miles)

ⓘ Aus, ǃNamiǂNûs Constituency, ǁKaras Region, Namibia

94.2km (58.5 miles)

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

References

Verwoerd, W. J. (1967). The carbonatites of South Africa and South West Africa. Government Printer, South Africa., 6.

Marsh, J. S. (1975) The Luderitz alkaline province, South West Africa. II. Metasomatism and assimilation in the contact aureole of the Granitberg foyaite complex. Transactions of the Geological Society of South Africa, 78. 225-233 doi:10.10520/EJC-1ac87e579d

Marsh, J. S. (1975). Aenigmatite stability in silica-undersaturated rocks. Contributions to Mineralogy and Petrology, 50(2), 135-144. doi.org/10.1007/BF00373333

Reference Search (possible matching items)

	Marsh, J. S. (1975) The Luderitz alkaline province, South West Africa. II. Metasomatism and assimilation in the contact aureole of the Granitberg foyaite complex. Transactions of the Geological Society of South Africa, 78. 225-233 doi:10.10520/EJC-1ac87e579d	Journal (article/letter/editorial)
	ASSIMILATION IN THE CONTACT AUREOLE OF THE GRANITBERG FOYAITE COMPLEX by J. S. MARSH ABSTRACT Reactions between...between the Outer Foyaite magma of the Granitberg Complex, and the sedimentary country rocks are striking...At sandstone contacts the magma has assimilated quartz-rich sedimentary material and a suite of pulaskites...peralkaline granites have been generated by a complex process involving both assimilation and crystal...rocks containing perthite, diopside and sometimes quartz. At dolomite contacts, assimilation has resulted
	*Wilson, A. N. (1982) Diamonds* - from Birth to Eternity. Gemological Institute of America, Santa Monica, CA.**	Book
	diamond shapes . 192 Map of South West Africa (Namibia) . 212 Sir Ernest Oppenheimer. 213 Dr Julian...of paleomagnetism is unravelling some of these complex natural mysteries, bringing new light to bear upon...known layer of rock at the bottom of the "basement complex” of the continental crust is very This statement...instability of the land along the coast in that region. And the youngest mountains of all the ranges that...hemisphere in addition to the great Gondwanaland complex* in the south. For instance, the geoscientists theorise
	*Deer, W. A., Howie, R. A., Zussman, J. (1978) Rock-Forming Minerals* (2nd ed.) Vol. 2A - Single-Chain Silicates. The Geological Society, London.**	Book (volume)
	original monoclinic Ca-poor pyroxene. Bushveld complex. Crossed polars x60. C. Pigeonite inverted to...of exsolved augite lamellae //(100). Bushveld complex. Crossed polars x60. D. Orlhopyroxene with exsolved...Fe3 +)2 SiO6 and CaTi(Al,Fe 3 +) 2 O 6 . A more complex method, involving the estimation of twelve components...MgSiO 3 (ortho-, clind", and protoenstatite) is complex at both atmospheric and high pressures, and some...- an orthopyroxene (Cao.04 M&,. 26 Ft;.70) from quartz- gamet-orthopyroxene granulite ; Takeda (1972)

Quartz from Granitberg Complex, ǃNamiǂNûs Constituency, ǁKaras Region, Namibia

Quartz from
Granitberg Complex, ǃNamiǂNûs Constituency, ǁKaras Region, Namibia