rodrigues lobão

The book covers the geology of the Serra dos Pombos region, in the municipality of Anagé, Bahia, which is characterised by gem-quality emerald occurrences. The book provides information on the petrography, structure and macroscopic and microscopic texture of the lithotypes found, as well as their field relations, a study of emerald occurrences and associated rocks, and characterisation of the regional metamorphic process and emerald genesis.