Tratado das Plantas Medicinais – Telma Grandi


O Tratado de Plantas Medicinais (Mineiras, Nativas e Cultivadas) publicado pela Prof.ª Telma Grandi está disponível para download aqui: Tratado das Plantas Medicinais Mineiras ou através da página CicloVivo (onde esta notícia está detalhada). O “Tratado das Plantas Medicinais” é fruto do trabalho de mais de 40 anos de pesquisas e vivências da farmacêutica e professora Telma Sueli … Continue reading Tratado das Plantas Medicinais – Telma Grandi

USGS – Volcanogenic Massive Sulfide Occurrence Model


The USGS is an invaluable source of knowledge and information on economic geology (and on most Geology branches, in fact). I have just come across one of their publications; in this case, on VMS deposits – an important source of precious and basic metals (in the world and in Portugal – in our case, for over two … Continue reading USGS – Volcanogenic Massive Sulfide Occurrence Model

SAMARCO DAM FAILURE IN MARIANA (MINAS GERAIS, BRAZIL) – Latest information


There is not a final casualty number arising from the failure of two tailings’ dams of the Alegria iron mine. The mine, owned by SAMARCO – a BHP and VALE joint venture, is located in the region of Mariana – Ouro Preto (Minas Gerais, Brazil). Workers at the site are reported dead or missing (some sources refer … Continue reading SAMARCO DAM FAILURE IN MARIANA (MINAS GERAIS, BRAZIL) – Latest information

The source of diamonds in the Diamantina (Minas Gerais) region: Fm. Sopa – Brumadinho


The precambrian Sopa Conglomerate is the source for modern alluvial diamonds deposits in the Diamantina (Minas Gerais) region. This old secondary formation is being reworked by the rivers in the area, releasing the diamonds it stores (themselves originated in primary, still unidentified, sources) into modern alluvia. Both the old conglomerate (Fm. Sopa – Brumadinho – … Continue reading The source of diamonds in the Diamantina (Minas Gerais) region: Fm. Sopa – Brumadinho

A mineral treasure trove in Goiás (GO) and Minas Gerais (MG) – BRAZIL


I have been in Goiás (GO) and Minas Gerais (MG) – Brazil in the last two weeks. It is a land of mineral opportunities – in a couple of days I visited manganese, iron, emerald, gold, nickel, diamond, aggregates and limestone deposits and prospects. It was the ideal road trip: looking for mineral deposits, in … Continue reading A mineral treasure trove in Goiás (GO) and Minas Gerais (MG) – BRAZIL