Locality type:

Complex

Classification

Species:

Eudialyte

Formula:

Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂

Confirmation

Validity:

Believed Valid

Data

Mineral Data:

Click here to view Eudialyte data

Locality Data:

Click here to view Kalkfeld Complex, Kalkfeld, Otjiwarongo Constituency, Otjozondjupa Region, Namibia

Data Identifiers

Mindat Occurrence Record ID:

321350

Long-form Identifier:

1:3:321350:6

GUID (UUID V4):

77c43cc6-f4b6-479e-b9d2-190a41d69d27

References

Prins, P. 1981. The geochemical evolution of the alkaline and carbonatite complexes of the Damaraland igneous province, South West Africa. Annale Universiteit van Stellenbosch, Serie A1, Geologie, 3, 145-278.

Van Zijl, P.J. 1962. The geology, structure and petrology of the alkaline intrusions of Kalkfeld and Okorusu and the invaded Damara rocks. Annale Universiteit van Stellenbosch, Serie A, 37, 237-339.

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

ZIEGLER, U. F. (1992). Preliminary results of geochemistry, Sm-Nd and Rb-Sr studies of post-Karoo carbonatite complexes in Southern Africa. Schweizerische mineralogische und petrographische Mitteilungen, 72(1), 141-148.

Le Roex, A. P., & Lanyon, R. (1998). Isotope and trace element geochemistry of Cretaceous Damaraland lamprophyres and carbonatites, northwestern Namibia: Evidence for plume—lithosphere interactions. Journal of Petrology, 39(6), 1117-1146. doi.org/10.1093/petroj/39.6.1117

Orris, Greta J., Grauch, Richard I. (2002) Rare Earth Element Mines, Deposits, and Occurrences. Open-File Report 2002-189. US Geological Survey doi:10.3133/ofr02189

Berger, Vladimir I., Singer, Donald A., Orris, Greta J. (2009) Carbonatites of the World, Explored Deposits of Nb and REE—Database and Grade and Tonnage Models . Open-File Report 2009-1139. U.S. Geological Survey doi:10.3133/ofr20091139

Reference Search (possible matching items)

	Chernoff, Carlotta B., Orris, G.J. (2002) Data set of world phosphate mines, deposits, and occurrences: Part A. geologic data; Part B. location and mineral economic data. Open-File Report 2002-156. US Geological Survey doi:10.3133/ofr02156	Report (issue)
	third order administrative area, basin/formation/region(area)/deposit, and deposit/site name. Guano and...third order administrative area, basin/formation/region(area)/ deposit, deposit/site name, deposit type...information in the next two fields, .Basin/Fmt/Region (area)/Deposit and Deposit/Site_Name, is meant...Age, Host/Associated Lithology, Host Formation/Complex, Minerals, and Geologic Comments/Deposit Description...Yacimientos no metaliferos y rocas de aplicacion de la region Patagonia-Comahue: Argentina Ministerio de Economia
	*Heinrich, E. William (1980) The Geology of Carbonatites* - Reprint Edition with Supplementary Material. Robert E. Krieger Publishing Co. Inc.**	Book (edition)
	detailed geological survey of the Alné Island complex and announced his results in a series of papers...completed most of the field work on the Iron Hill complex of Gunnison County, Colorado, in 1912-1913. Although...fairly pure calcite (Garson and Smith, 1958). The complex was first studied by F. Dixey, and it was he who...detailed and complete studies of a carbonatitic complex. Between 1950 and 1956 there took place the most...presented by Leonardos (1956A, B). The Fen, Norway, complex has been restudied by Saether (1958); that of the
	*(1991) Magmatism in Extensional Structural Settings. Springer Berlin Heidelberg. doi:10.1007/978-3-642-73966-8*	Book
	magmatism of the eastern margin of the Atlantic (Namibia, Angola) or the western African kimberlites do...Mafic-Ultramafic Magmatism in the Southwest Uganda Region of the African Rift: Implications from Experimental.... . . ... 3 The Crust Under the Canary Islands Region ............. 4 Network of Fractures and Identity...Identity of Vertical Movements in the Canary Islands Region ........................... 4.1 Transoceanic and......................... 5.1 The Thghouaji Ring-Complex ...................... 5.2 Conclusion ........
	*Gill, Robin (2010) Igneous Rocks and Processes, a practical guide. Wiley-Blackwell.*	Book
	simplest way to visualize the chemical composition of complex silicate materials is as a mixture of oxides: silicon...NaAlSi3O8). Solid solution in pyroxenes is more complex, so representing the composition of a pyroxene...be ignored. Garnet compositions are still more complex and require six end-members (Box 5.2). Such ‘formula... see Fig. 1.5); the dashed lines delineate the region of overlap between alkali and subalkali basalts... The circumstances behind this transition are complex. The field evidence may be summarized as follows:

Eudialyte from Kalkfeld Complex, Kalkfeld, Otjiwarongo Constituency, Otjozondjupa Region, Namibia

Eudialyte from
Kalkfeld Complex, Kalkfeld, Otjiwarongo Constituency, Otjozondjupa Region, Namibia