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
ISBN
85-86238-46-5
Pages
128
Year of publication
2005
Edition
1st

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.

Author's CV.

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.

Author's CV.

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.

Origin

Interest in the study

The heavy minerals concentration

The main heavy minerals

Obtaining Heavy Mineral Concentrates

Samples Preparation

Study of heavy mineral concentrates

Heavy Mineral Associations

 

MINERALS GUIDE IN HEAVY GRAINS

Magnetite

Ilmenite

Grenade Group

Cromite / Magnesiocromite

Wolframite Group

Limonite / Goethite

Biotite

Xenotime

Hornblenda Group

Tourmaline Group

Epidote

Spinel Group

Diopside / Hedembergite

Columbite / Tantalite

Staurolite

Monazite Group

Anphibole / Tremolite-actinolite

Titanite

Zircon

Rutile

Apatite Group

Moscovite

Cianite

Sillimanite

Pirite

Gold

Scheelite

Anatase

Corundun

Cassiterite

Topaz

Molibdenite

Microlita Group

Brookite

Cinabre

Chrysoberyl

Spodumene

Holmquistite

Gorceixite

Bahianite

Diamond

Quartz

Beryl / Emerald

 

ABOUT THE AUTHORS

BIBLIOGRAPHY