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Mica Group from
Madeira pluton, Pitinga mine, Presidente Figueiredo, Amazonas, Brazil


Locality type:Pluton
Classification
Species:'Mica Group' (not an IMA approved species)
Age information
Maximum recorded age:1782 ± 4.6 Ma
Minimum recorded age:1782 ± 4.6 Ma
Sample ages:
Recorded ageGeologic TimeSampleDating method
11782 ± 4.6 MaStatherian - Ar-Ar
Sample references:
1 -
Costi, H. T., Dall'Agnol, R., & Moura, C. A. V. (2000) Geology and Pb-Pb geochronology of Paleoproterozoic volcanic and granitic rocks of Pitinga Province, Amazonian craton, Northern Brazil.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Mica Group data
Locality Data:Click here to view Madeira pluton, Pitinga mine, Presidente Figueiredo, Amazonas, Brazil
Data Identifiers
Mindat Occurrence Record ID:668288
Long-form Identifier:1:3:668288:0
GUID (UUID V4):0
References
Sighnolfi, G., Costi, H. T., Horbe, A. M. C., Borges, R. M. K., Dall'agnol, R., & Rossi, A. (2008). Mineral chemistry of cassiterites from Pitinga Province, Amozonian Craton, Brazil. Brazilian Journal of Geology, 30(4), 775-782
Bastos Neto, A. C., Pereira, V. P., Ronchi, L. H., de Lima, E. F., Frantz, J. C. (2009) THE WORLD-CLASS Sn, Nb, Ta, F (Y, REE, Li) DEPOSIT AND THE MASSIVE CRYOLITE ASSOCIATED WITH THE ALBITE-ENRICHED FACIES OF THE MADEIRA A-TYPE GRANITE, PITINGA MINING DISTRICT, AMAZONAS STATE, BRAZIL. The Canadian Mineralogist, 47 (6) 1329-1357 doi:10.3749/canmin.47.6.1329
 
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