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| Contact between the Ordovician Blue Hills Porphyry and the Pennsylvanian Giant Conglomerate | Glacial Striations atop the Pennsylvanian Giant Conglomerate | Bill Kenney pondering the contact | View of the Giant Conglomerate on NW cloverleaf off of I-95, Randolph, MA | Photomicrograph of the Blue Hills Porphyry. Note embayed quartz phenocryst in the center of photo |
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| Petrology class of 2005: (left to right) Laura Kinnan, Erin Nevens, Bill Kenney, Kerri Sullivan, Amanda Craig, Russ (Duffman) McCormick, Katy Gonslaves, Dan Callahan, Crystal Cakounes, Big Mike Robbins | Part of Petrology class of 2006: (left to right) Danielle White, Amy Saccoccio, Allison Krzyzewski (it was -5 degrees F) | Petrology class of 2007: (left to right) Jessica Sousa, Joanna Bertone, Brian Tulowski |
Petrology class of 2008: (left to right) Troy Dickens, Amanda Abate, Meagan Dumais, Michelle Bayly, Ramona Cadrin, Jennifer Jackson, Jennifer Dibari |