Lithification of vitric- and clastic-matrix breccias - SEM petrographyA scanning electron microscope was used in a petrographic investigation of the matrix textures of 41 lunar breccias ranging from very friable soil clods through coherent microbreccias and tough vitric breccias to tough, fine-grained crystalline breccias. It was found that as their coherence increases, the matrices display a gradual increase in the content of glass from 1 or 2% as filaments less than 1 micron across through 5-50% as irregularly shaped patches up to 200 microns across to over 50% as continuous networks.
Document ID
19770051936
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Phinney, W. C. (Lunar Science Inst. Houston, TX, United States)
Mckay, D. S. (Lunar Science Inst. Houston, TX, United States)
Warner, J. L. (NASA Johnson Space Center Houston, Tex., United States)
Simonds, C. H. (Lunar Science Institute Houston, Tex., United States)