Locality type:

Complex

Classification

Type:

Ijolite

Confirmation

Validity:

Believed Valid

Data

Mineral Data:

Click here to view Ijolite data

Locality Data:

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

Data Identifiers

Mindat Occurrence Record ID:

1432685

Long-form Identifier:

1:3:1432685:3

GUID (UUID V4):

a3063a31-2cc5-4bee-b38c-43c93fbec57f

Nearest other occurrences of Ijolite

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...peralkaline granites have been generated by a complex process involving both assimilation and crystal...leucocratic, pegmatitic nepheline syenite and a suite of ijolite-melteigite rocks. Assimilation reactions have also...ENTS RE FERENCES I. INTRODUCTION The Granitberg Foyaite Complex is an early Cretaceous ring intrusion
	*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...Vincent. 7 8 9 10 Bronzite, pyroxeoile, Bushveld complex (Hess, 1952). Anal. L. C. Peck. Bronzite, peridotile

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

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