Intersertal Texture

Intersertal is a textural term used to denote that the angular spaces between larger crystals is occupied by glass, or glass and small crystals. The glass may be devitrified or altered to other phases.

Bibliography



• Deer, W.A., Howie, R.A., Zussman, J. (1998) Rock-forming Minerals.
• Optical Mineralogy : The Nonopaque Minerals by Phillips / Griffen
• E. WM. Heinrich (1956): Microscopic Petrografy. Mcgraw-hill book company,inc
• Cox et al. (1979): The Interpretation of Igneous Rocks, George Allen and Unwin, London.

Photo
intersertale(2).jpg

Spaces between crystals occupied by glass in a Basalt. PPL image , 10x (Field of view = 2mm)
intersertale(3).jpg

Spaces between crystals occupied by glass in a Basalt. XPL image , 10x (Field of view = 2mm)
intersertale(4).jpg

Spaces between crystals occupied by glass in a Basalt. PPL image , 10x (Field of view = 2mm)
intersertale(5).jpg

Spaces between crystals occupied by glass in a Basalt. XPL image , 10x (Field of view = 2mm)
intersertale(6).jpg

Spaces between crystals occupied by glass in a Basalt. PPL image , 10x (Field of view = 2mm)
intersertale(7).jpg

Spaces between crystals occupied by glass in a Basalt. XPL image , 10x (Field of view = 2mm)
intersertale(8).jpg

Spaces between crystals occupied by glass in a Basalt. PPL image , 20x (Field of view = 1mm)
intersertale(9).jpg

Spaces between crystals occupied by glass in a Basalt. PPL image , 20x (Field of view = 1mm)