Infrared and Mössbauer study of Brazilian tourmalines from different geological environments

American Mineralogist

Volumn 87, Issue 8-9, 2002, Pages 1154-1163

  De Oliveira, Ester Figueiredo ^a   Castaneda, Cristiane ^a   Eeckhout, Sigrid Griet ^a   Gilmar, Messias Menezes ^a   Kwitko, Rogério Ribeiro ^a   De Grave, Eddy ^a   Botelho, Nilson Francisquini ^a  

^a UNIVERSITY OF BRASILIA   (Brazil)

Author keywords

[No Author keywords available]

Indexed keywords

CRYSTALLINITY; DEPOSITS; GEOLOGY; GOLD DEPOSITS; MAGNESITE;

DEGREE OF CRYSTALLINITY; FLUID/ROCK INTERACTION; GEOLOGICAL ENVIRONMENT; GEOLOGICAL HISTORY; GRANITIC PEGMATITE; HYDROTHERMAL DEPOSITS; MAGMA EVOLUTION; MINAS GERAIS , BRAZIL;

SILICATE MINERALS;

CRYSTAL CHEMISTRY; CRYSTAL STRUCTURE; HYDROTHERMAL DEPOSIT; INFRARED SPECTROSCOPY; MAGMATISM; MOSSBAUER SPECTROSCOPY; TOURMALINE;

BRAZIL; MINAS GERAIS STATE;

EID: 0036699611     PISSN: 0003004X     EISSN: None     Source Type: Journal    
DOI: 10.2138/am-2002-8-914     Document Type: Article

References (46)

1. Linking structure and chemistry in the Schorl-Dravite series
2. Mixed valencies and site occupancies of iron in silicate minerals from Mössbauer spectroscopy
3. The crystal chemistry of manganese-bearing elbaite
4. Famous mineral localities: The Brumado district, Bahia, Brazil
5. The location, geology and mineralogy of gem tourmalines in Brazil
6. Infrared study of OH sites in tourmaline from the elbaite-schorl series
7. Evolution structurale du sud du Craton de São Francisco: Implications sur les minéralisations auriferes de la région d' Ouro Preto, Brésil
8. Tourmaline composition as a guide to mineral exploration: A reconnaissance study from Nova Scotia using discriminant function analysis
9. Significance of tourmaline-rich rocks in the north range group of the Cuyuna iron range, East-Central Minnnnesota
10. On the analysis of the Mössbauer spectra of tourmalines
11. The temperature dependence of the hyperfine parameters of tourmalines
12. Evaluation of ferrous and ferric Mössbauer fractions
13. Refinement of the crystal structure of elbaite and the mechanism of tourmaline solid solution
14. Stable isotope and crystal chemistry of tourmaline across pegmatite - Country rock boundaries at Black Mountain and Mount Mica, southwestern Maine, USA
15. Inclusive chemical characterization of tourmaline: Mössbauer study of Fe valence and site occupancy
16. The optical absorption spectra of tourmaline: Importance of charge-transfer processes
17. Mössbauer effect study on the mixed valence state of iron in tourmaline
18. Crystal chemistry of alkali-deficient schorl and tourmaline structure relationships
19. O2 conditions
20. Ordering of Fe and Mg in the tourmaline crystal structure: The correct formula
21. Trace elements in tourmalines from massive sulfide deposits and tourmalinites: Geochemical controls and exploration applications
22. Structural mechanisms for light-element variations in tourmaline
23. Classification of the minerals of the tourmaline group
24. Reassignment of cation site occupancies in tourmaline: Al-Mg disorder in the crystal structure of dravite
25. Metamorphic tourmaline and its petrologic applications
26. Tourmaline as a petrogenetic indicator mineral: An example from the staurolite-grade metapelites of NW Maine
27. The use of tourmaline in geochemical prospecting for gold and copper mineralization
28. Styles of hydrothermal alteration and gold mineralizations associated with the Nova Lima Group of the Quadrilátero Ferrífero: Part I, description of selected gold deposits
29. 2+
30. The crystal chemistry of Si ↔ Al substitution in tourmaline
31. 3+ interactions in tourmaline
32. Evolução mineralógica das encaixantes da mineralização aurífera na Mina de Santana-Mariana-MG
33. Infrared study and isotopic effect of magnesium hydroxide
34. Evolution of the Araçuaí belt and its connection to the Ribeira belt, eastern Brazil, 265-285
35. Statistical interpretation of structural parameters of tourmalines: The ordering of ions in the octahedral sites
36. Modelling of some structural parameters of tourmalines on basis of their chemical composition. I. Ordered structural model
37. 3+-poor schorls: Reinterpretation of the spectra on a basis of an ordered structure model
38. Brazilian gem provinces
39. Mössbauer spectroscopy of minerals. I. Inadequacy of Lorentzian-line doublets in fitting spectra arising from quadrupole splitting distributions
40. Synthesis and characterization of alkali-free tourmaline
41. 2?
42. Tourmaline associations with hydrothermal ore deposits
43. On the methodology of the analysis of Mössbauer spectra