Trachyte: R1815
Item
- Title
- Trachyte: R1815
- Description
- Sample is porphyritic, with a coarse, pink matrix. Phenocrysts are distinctly large and include K-spar, plagioclase, biotite, and muscovite, and represent approximately 15% of the sample by volume. Black microphenocrysts are also present. The sample is of uniform composition.
- Creator
- 5052
- Type
- igneous rock
- Mediator
- Tamara Carley
- Media
https://exhibits.lafayette.edu/geology/files/original/43fa7c2719b95d252a980ef61d065af9.jpg
https://exhibits.lafayette.edu/geology/files/original/6a6df8236828d8fad2c4a0ca56806fe6.jpeg
https://exhibits.lafayette.edu/geology/files/original/70b7c61398b40256a6d5d5e0d5b15f80.jpeg
https://exhibits.lafayette.edu/geology/files/original/a3491297b96bb891b179d5b55970fb54.jpeg
https://exhibits.lafayette.edu/geology/files/original/b859cfb5c6444a9f0dcc6a812286f745.jpeg