Olivine (forsterite) phenocrysts, with minor pyroxene in a ground mass of plagioclase feldspar. Kilauea volcano, Hawaii. FOV is about 3 mm. (Author: Jesse Fisher)
Dimensions: | 750 x 500 |
File size: | 97.27 kbytes |
Taken on: | |
Camera model: | |
Shutter speed: | |
Focal length: | |
Aperture: | |
Flash: | |
ISO: |