Redox conditions of formation of Libyan Desert Glass
Conference
·
OSTI ID:7334531
Electron Paramagnetic Measurements (EPR) at different temperatures were made on Libyan Desert Glass (LDG) samples, as received, and after X or ..gamma../sup -/ radiation. The thermally unstable centers Ti/sup 3 +/, E' and ''Al'', identified in the as received samples, were attributed to solarization and reproduced by X or ..gamma../sup -/ radiation. Other stable magnetic components attributed to chemical impurities were also identified and compared with those observed in Libyan Desert Sand samples. The results suggest that LDG was formed under oxidizing conditions.
- Research Organization:
- American Univ., Cairo (Egypt); Oak Ridge National Lab., Tenn. (USA)
- DOE Contract Number:
- W-7405-ENG-26
- OSTI ID:
- 7334531
- Report Number(s):
- CONF-760929-2
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
AFRICA
ELECTROMAGNETIC RADIATION
ELECTRON SPIN RESONANCE
GAMMA RADIATION
GEOLOGY
GEOMORPHOLOGY
GLASS
IMPURITIES
IONIZING RADIATIONS
LIBYA
MAGNETIC PROPERTIES
MAGNETIC RESONANCE
PHYSICAL PROPERTIES
PHYSICAL RADIATION EFFECTS
RADIATION EFFECTS
RADIATIONS
REDOX POTENTIAL
RESONANCE
X RADIATION
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
AFRICA
ELECTROMAGNETIC RADIATION
ELECTRON SPIN RESONANCE
GAMMA RADIATION
GEOLOGY
GEOMORPHOLOGY
GLASS
IMPURITIES
IONIZING RADIATIONS
LIBYA
MAGNETIC PROPERTIES
MAGNETIC RESONANCE
PHYSICAL PROPERTIES
PHYSICAL RADIATION EFFECTS
RADIATION EFFECTS
RADIATIONS
REDOX POTENTIAL
RESONANCE
X RADIATION