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Phlogopite from
Nkumbwa Hill Carbonatite (Nkombwa Hill Carbonatite), Isoka, Isoka District, Muchinga Province, Zambia


Classification
Species:Phlogopite
Formula:KMg3(AlSi3O10)(OH)2
Age information
Maximum recorded age:704 Ma
Minimum recorded age:654 Ma
Sample ages:
Recorded ageGeologic TimeSampleDating method
1704 to 654 MaCryogenian - K-Ar
Sample references:
1 -
Orris, Greta J.; Grauch, Richard I.; Grauch, R. I.; Orris, G. J. (2002) Rare Earth Element Mines, Deposits, and Occurrences. Open-File Report 2002-189 doi:10.3133/ofr02189
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Phlogopite data
Locality Data:Click here to view Nkumbwa Hill Carbonatite (Nkombwa Hill Carbonatite), Isoka, Isoka District, Muchinga Province, Zambia
Data Identifiers
Mindat Occurrence Record ID:556990
Long-form Identifier:1:3:556990:8
GUID (UUID V4):0
References
Zambezi, P., Voncken, J.H.L., Hale, M., and Touret, J.L.R. (1997): Mineralogy and Petrology 59, 239-250.
Harmer, R.E., Nex, P.A.M. (2016) Rare Earth Deposits of Africa. Episodes, 39 (2) 381-406 doi:10.18814/epiiugs/2016/v39i2/95784
 
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