Minerals in Grains
Ronaldo Mello Pereira , Ciro Alexandre Ávila , Paulo Roberto Amorim dos Santos Lima
Mining is one of Brazil’s relevant economic activities still with great potential to grow. A book with propriety to subside mineral grains identification is of great practical importance. Therefore, Minerals in Grains is a guide to most commonly minerals found in the bateia concentrates.
The first part brings the concepts of the adopted approach – heavy minerals – and the synthesis of the technique for their collection, preparation and identification.
In the second part, each one of the 44 listed minerals has a technical sheet containing its main geological characteristics for rapid identification and photos of typical Brazilian occurrences throughout the country.
- Original title
- Minerais em grãos
- Year of publication
About the authors
Ronaldo Mello Pereira
Ronaldo Mello Pereira is a geologist graduated in 1974 from Federal University of Rio de Janeiro (UFRJ). He obtained his Masters (1981) and PhD (2001) in Sciences – Geology from the same university. He has been working in the Department of Applied Geology at the Rio de Janeiro State University (UERJ) since 1978.
Ciro Alexandre Ávila
Ciro Alexandre Ávila is a geologist graduated in 1987 from Rio de Janeiro State University (UERJ). He obtained his Masters (1992) and PhD (2000) in Science – Geology from Federal University of Rio de Janeiro (UFRJ). He has been working in the Department of Geology and Paleontology of the National Museum of UFRJ since 1993.
Paulo Roberto Amorim dos Santos Lima
Paulo Roberto Amorim dos Santos Lima is a geologist graduated in 1972 from Federal University of Rio de Janeiro (UFRJ). Lato sensu postgraduate from: University of Freiburg, Germany (1989); Luleå University of Technology, Sweden (1992); Dom Cabral Foundation, Belo Horizonte (1998) and Ibmec, Rio de Janeiro (2001). He works at Vale SA since 1986.
Interest in the study
The heavy minerals concentration
The main heavy minerals
Obtaining Heavy Mineral Concentrates
Study of heavy mineral concentrates
Heavy Mineral Associations
MINERALS GUIDE IN HEAVY GRAINS
Cromite / Magnesiocromite
Limonite / Goethite
Diopside / Hedembergite
Columbite / Tantalite
Anphibole / Tremolite-actinolite
Beryl / Emerald
ABOUT THE AUTHORS