Diamonds from Diamantina – MG, Brazil


Diamonds occur in many colours, shapes, sizes and transparencies. Sometimes they just look like sand (well, expensive, very expensive sand, as a lowly 10 USD/carat stone is worth more than gold – currently hovering 1.200 USD/oz); or else diamonds may be broken (chips), dotted in the inside with other minerals, eroded or pitted at the … Continue reading Diamonds from Diamantina – MG, Brazil

Mineral Occurrences in the South of Portugal (400K scale map)


JUST PUBLISHED BY LNEG Mineral Occurrences – South of Portugal 400k map For all those interested in Portuguese mineral deposits, LNEG (the Portuguese Geological Survey), has just released a pdf version of Mineral Occurrences in the South of Portugal (400K scale). With a diverse geology and home to important metallogenic provinces – including but not limited … Continue reading Mineral Occurrences in the South of Portugal (400K scale map)

LNEG apresenta a Carta de Ocorrências Mineiras do Alentejo e Algarve à Escala 1:400 000


Originally posted on Associação Portuguesa de Geólogos:
A partir da informação geológica e mineira disponível nas suas bases de dados o Laboratório Nacional de Energia e Geologia (LNEG) apresenta a Carta de Ocorrências Mineiras do Alentejo e Algarve na escala 1:400 000. Sobre um fundo geológico simplificado indicam-se 650 ocorrências mineiras referentes a…

Dois leões em África – Uma imagem, mil significados


Até na selva de Mayoko, o Sporting chega (em) primeiro. Campeão Nacional de Equipas 2013 de Judo em Seniores, Juniores e Cadetes, em primeiro até no futebol no Natal e Ano Novo! Dois leões aproveitam a maré e festejam na selva tropical do coração de África (no Congo, a fronteira do Gabão mesmo ali ao … Continue reading Dois leões em África – Uma imagem, mil significados

One century of Angolan diamonds – a report


One century of Angolan diamonds After many months of hard work, the report was released. The report organizes information about the Angolan diamond industry (the deposits, the mines and prospects, the global market, regulatory and economical settings and the key institutions). This information was previously either disperse, unpublished or only available in Portuguese language sources. … Continue reading One century of Angolan diamonds – a report