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Sample n° 4760
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
MICROCLINE | K(AlSi3O8) | tektosilicates | feldspar | major |
Description
Description:
pink broken crystal (5 cm)
Information:
geochronology - Monteyne-Poulaert, G., Delwiche, R., Safiannikoff, A. & Cahen, L., 1962. Ages des minéralisations pegmatitiques et filoniennes du Kivu méridional (Congo oriental). Indications préliminaires sur les âges de phases pegmatitiques successives. Bulletin de la Société Belge de Géologie 71, 272-295. // Cahen, L., Delhal, J. & Deutsch, S., 1967. Rubidium-strontium geochronology of some granitic rocks from the Kibaran Belt (Central Katanga, Rep. of the Congo). Annales du Musée Royal de l'Afrique Centrale, Série In-8°, n° 59, 65 pp.
Origin
- Country: Congo (RDC)
- Region: Kivu
- Locality: Mwenga, Grande Mobale
Specification
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Donors: SafiannikoffDonation year: 1954
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Sampling year:Registration date:
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Quantity: 2Size: 2
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Dimension code 1>2>3: 3Quality code 1>2>3: 1
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Holotype: noParatype: noRadioactive: no
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Thin section: noChemical analysis: noX-Ray spectra: no