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Sample n° 2455
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
MICROCLINE | K(AlSi3O8) | tektosilicates | feldspar | major |
Description
Description:
pegmatite
Information:
geochronology - Cahen, L., Delhal, J., Ledent, D. & Reinharz, M., 1963. L'âge des migmatites de Boma et de l'orogenèse ouest-congolienne. Indications préliminaires sur l'âge des formations Mayumbiennes et antérieures. Annales de la Société Géologique de Belgique 86, 229-269.
Origin
- Country: Congo (RDC)
- Region: Bas-Congo
- Locality: Mt Bumba
Specification
-
Donors: DartevelleDonation year: 1937
-
Sampling year:Registration date:
-
Quantity: 1Size:
-
Dimension code 1>2>3: 2Quality code 1>2>3: 3
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Holotype: noParatype: noRadioactive: no
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Thin section: yesChemical analysis: noX-Ray spectra: no