Index No: NBM057190; Collected By: ; Sample Type: hand sample; Notes: Silicified dacite porphyry, vuggy silica with multiple brecciation, clasts up to 8 cm, some alunite
Summary
Index No: NBM057190; Collected By: ; Sample Type: hand sample; Notes: Silicified dacite porphyry, vuggy silica with multiple brecciation, clasts up to 8 cm, some alunite