Flashcards
Igneous Rocks
Cards in this deck (12)
- 1Can you see the crystals?Texture
- 2Visible crystals, slow cooling ex. granitephaneritic
- 3non-visible crystals, fast cooling ex. basaltAphanitic
- 4crystals in fine-grained matrix ex. porphyritic andesitePorphyritic
- 5Massive crystals ex. pegmatitePegmatitic
- 6Ex. obsidianGlassy
- 7Ex. Pumice, ScoriaVesicular
- 8Felsic or mafic?Composition
- 9Dark color "greens"Mafic
- 10Light color "reds"Felsic
- 11Crystals formed in the subsurface, in the interior of the earthIntrusive
(Pegmatitic, Phaneritic) - 12The rock formed on the exterior of the earth, usually after being expelled from a volcanoExtrusive
(Porphyritic, Aphanitic, Vesicular, Glassy)
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- Flashcards on Igneous Rocks, created by Nick Marinos on 09/10/2018.
- Created by
- Nick Marinos · Oct 2018
- Updated
- Oct 9, 2018
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