Trachyte Porphyry Thin Section
April 4, 2025
ALEX STREKEISEN-Trachyte- 2557: Trachyte porphyry (bostonite) Ward's Trachyte (Porphyry) | VWR Trachyte Porphyry Thin Section
April 4, 2025
ALEX STREKEISEN-Trachyte- 2557: Trachyte porphyry (bostonite) Ward's Trachyte (Porphyry) | VWR Trachyte Porphyry Thin Section