Diorite of the Purcell Sill, Glacier NP, MontanaMarch 14, 2019/in /by Marli Miller intrusive, intrusion, amphibole https://geologypics.com/wp-content/uploads/2017/04/geologic-time-pics-logo-300x115.png 0 0 Marli Miller https://geologypics.com/wp-content/uploads/2017/04/geologic-time-pics-logo-300x115.png Marli Miller2019-03-14 08:29:252019-03-14 08:29:45Diorite of the Purcell Sill, Glacier NP, Montana
