Locality type:

Complex

Classification

Species:

Hastingsite

Formula:

NaCa₂(Fe₄²⁺Fe³⁺)(Si₆Al₂)O₂₂(OH)₂

Chemical Analyses:

Oxide wt%:

	1
SiO₂	38.98 %
TiO₂	3.02 %
Al₂O₃	10.62 %
FeO	24.28 %
MnO	0.86 %
MgO	5.12 %
CaO	10.62 %
Na₂O	3.02 %
K₂O	1.46 %
Total:	97.98 %

Sample references:

1	-	Smithies, R. H. (1992). The geochemical evolution of three alkaline complexes in the Kuboos-Bremen igneous province, southern Namibia.

Confirmation

Validity:

Believed Valid

Data

Mineral Data:

Click here to view Hastingsite data

Locality Data:

Click here to view Marinkas Kwela, Karasburg West, ǁKaras Region, Namibia

Data Identifiers

Mindat Occurrence Record ID:

1432765

Long-form Identifier:

1:3:1432765:8

GUID (UUID V4):

0933fbad-4314-4519-8b35-e6511b22bfaf

References

Bernasconi, A. (1981). The marinkas kwela alkali-granite intrusive, a probable porphyry molybdenum system of cambrian age, namibia. Mineralium Deposita, 16(3), 447-454. doi.org/10.1007%252FBF01798969

Bernasconi, A. (1986). The Marinkas kwela alkali intrusive: A porphyry molybdenum system of Cambrian age in Southern South West Africa/Namibia. In Mineral Deposits of Southern Africa (pp. 1587-1591).

Smithies, R. H., Marsh, J. S. (1996) Alkaline rocks in the Kuboos-Bremen Igneous Province, southern Namibia: the Grootpenseiland and Marinkas Kwela Complexes. Communications of the Geological Survey of Namibia, 11. 13-20

Reference Search (possible matching items)

	Smithies, R. H., Marsh, J. S. (1996) Alkaline rocks in the Kuboos-Bremen Igneous Province, southern Namibia: the Grootpenseiland and Marinkas Kwela Complexes. Communications of the Geological Survey of Namibia, 11. 13-21	Journal (article/letter/editorial)
	Communs geol. Surv. Namibia, 11 (1996), 13-21 Alkaline rocks in the Kuboos-Bremen Igneous Province,... southern Namibia: the Grootpenseiland and Marinkas Kwela Complexes R.H. Smithies and J.S. Marsh Department...Province, of northwestern South Africa and southern Namibia, comprises a series of intrusive bodies that collectively...Two of these bodies, the Grootpenseiland and Marinkas Kwela Complexes, lie immediately north of the Orange...Kanabeam, approximately 5 km to the northeast of Marinkas Kwela, indicating a close commonality in the origin
	Smithies, R. H., Marsh, J. S. (1996) Alkaline rocks in the Kuboos-Bremen Igneous Province, southern Namibia: the Grootpenseiland and Marinkas Kwela Complexes. Communications of the Geological Survey of Namibia, 11. 13-20	Journal (article/letter/editorial)
	Communs geol. Surv. Namibia, 11 (1996), 13-21 Alkaline rocks in the Kuboos-Bremen Igneous Province,... southern Namibia: the Grootpenseiland and Marinkas Kwela Complexes R.H. Smithies and J.S. Marsh Department...Province, of northwestern South Africa and southern Namibia, comprises a series of intrusive bodies that collectively...Two of these bodies, the Grootpenseiland and Marinkas Kwela Complexes, lie immediately north of the Orange...Kanabeam, approximately 5 km to the northeast of Marinkas Kwela, indicating a close commonality in the origin
	Frimmel, H.E. (2000) New U-Pb zircon ages for the Kuboos pluton in the Pan-African Gariep belt, South Africa: Cambrian mantle plume or far field collision effect?. South African Journal of Geology, 103 (3) 207-214 doi:10.2113/1030207	Journal (article/letter/editorial)
	least 270 km towards the northeast into southern Namibia. This igneous province, which was first described...Gariep Belt. The Tatasberg, Grootpenseiland and Marinkas Kwela complexes are hosted by Palaeoproterozoic metavolcanic...pluton, 4 - Grootpenseiland and Marinkas Kwela complexes, 5 - Marinkas Kwela carbonatite, 6 - Kanabeam complex...the younger Bremen intrusive body in southern Namibia (not shown). They obtained a fourpoint U-Pb zircon...Grootpenseiland, and for the youngest one at Marinkas Kwela, respectively. Samples and Methods A granitoid

Hastingsite from Marinkas Kwela, Karasburg West, ǁKaras Region, Namibia

Hastingsite from
Marinkas Kwela, Karasburg West, ǁKaras Region, Namibia