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

• Cox et al. (1979): The Interpretation of Igneous Rocks, George Allen and Unwin, London.
• Howie, R. A., Zussman, J., & Deer, W. (1992). An introduction to the rock-forming minerals (p. 696). Longman.
• Le Maitre, R. W., Streckeisen, A., Zanettin, B., Le Bas, M. J., Bonin, B., Bateman, P., & Lameyre, J. (2002). Igneous rocks. A classification and glossary of terms, 2. Cambridge University Press.
• Middlemost, E. A. (1986). Magmas and magmatic rocks: an introduction to igneous petrology.
• Shelley, D. (1993). Igneous and metamorphic rocks under the microscope: classification, textures, microstructures and mineral preferred-orientations.
• Vernon, R. H. & Clarke, G. L. (2008): Principles of Metamorphic Petrology. Cambridge University Press.

Photo
Spaces between crystals occupied by glass in a Basalt. PPL image , 10x (Field of view = 2mm)	Spaces between crystals occupied by glass in a Basalt. XPL image , 10x (Field of view = 2mm)	Spaces between crystals occupied by glass in a Basalt. PPL image , 10x (Field of view = 2mm)
Spaces between crystals occupied by glass in a Basalt. XPL image , 10x (Field of view = 2mm)	Spaces between crystals occupied by glass in a Basalt. PPL image , 10x (Field of view = 2mm)	Spaces between crystals occupied by glass in a Basalt. XPL image , 10x (Field of view = 2mm)
Spaces between crystals occupied by glass in a Basalt. PPL image , 20x (Field of view = 1mm)	Spaces between crystals occupied by glass in a Basalt. PPL image , 20x (Field of view = 1mm)