Heavy minerals in the sediments from Paraguay rivers as indicators for diamonds occurrences (2016)
- Authors:
- Autor USP: GOMES, CELSO DE BARROS - IGC
- Unidade: IGC
- Subjects: MINERAIS PESADOS; DIAMANTE; SEDIMENTOLOGIA FLUVIAL
- Language: Inglês
- Abstract: Indicator minerals are mineral species that, when appearing as transported grains in clastic sediments, indicate the presence in bedrock of a specific type of mineralization, hydrothermal alteration or lithology. Their physical and chemical characteristics, including a relatively high density (heavy minerals), facilitate their preservation and identification. The heavy minerals represent an important exploration method for detecting a variety of ore deposit types including diamond, gold, Ni–Cu, PGE, and so on. One of the most significant events in the application of indicator mineral methods in the past was the diamond exploration. After some works that quoted the presence of diamonds in Eastern Paraguay, we have performed a whole sampling study relative to the indicator mineral for diamonds. This paper provides an overview of indicator mineral methods, i.e. presence of Cr-diopside, Pyrope-rich garnet and Picroilmenite, for diamond exploration along the Eastern Paraguay rivers. Unfortunately the above heavy minerals, generally associated to the diamonds, do not appear in Eastern Paraguay, excluding this Country as a potential source for the diamond as economic potential source.
- Imprenta:
- Source:
- Título do periódico: Boletín del Museo Nacional de Historia Natural del Paraguay
- ISSN: 2310-4236
- Volume/Número/Paginação/Ano: v. 20, n. 2, p. 188-204
-
ABNT
CASTILLO CLERICE, Ana María et al. Heavy minerals in the sediments from Paraguay rivers as indicators for diamonds occurrences. Boletín del Museo Nacional de Historia Natural del Paraguay, v. 20, n. 2, p. 188-204, 2016Tradução . . Disponível em: https://drive.google.com/file/d/0B2Vxo94dBaqqMGFpQWRMZlB2UFU/view. Acesso em: 18 abr. 2024. -
APA
Castillo Clerice, A. M., Gomes, C. B., De Min, A., & Comin-Chiaramonti, P. (2016). Heavy minerals in the sediments from Paraguay rivers as indicators for diamonds occurrences. Boletín del Museo Nacional de Historia Natural del Paraguay, 20( 2), 188-204. Recuperado de https://drive.google.com/file/d/0B2Vxo94dBaqqMGFpQWRMZlB2UFU/view -
NLM
Castillo Clerice AM, Gomes CB, De Min A, Comin-Chiaramonti P. Heavy minerals in the sediments from Paraguay rivers as indicators for diamonds occurrences [Internet]. Boletín del Museo Nacional de Historia Natural del Paraguay. 2016 ; 20( 2): 188-204.[citado 2024 abr. 18 ] Available from: https://drive.google.com/file/d/0B2Vxo94dBaqqMGFpQWRMZlB2UFU/view -
Vancouver
Castillo Clerice AM, Gomes CB, De Min A, Comin-Chiaramonti P. Heavy minerals in the sediments from Paraguay rivers as indicators for diamonds occurrences [Internet]. Boletín del Museo Nacional de Historia Natural del Paraguay. 2016 ; 20( 2): 188-204.[citado 2024 abr. 18 ] Available from: https://drive.google.com/file/d/0B2Vxo94dBaqqMGFpQWRMZlB2UFU/view - Geochemical characteristics of Cretaceous carbonatites from Angola
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