GEO 631 Brittle Fracture Field Trip a glimpse.... |
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Kathy is excited to see rib marks and intersection geometries indicating upward fracture propagation (and cooling) in the basalts |
The Athol fault: S-cleavage and C-cleavage and breccia, Oh My! |
water flowing out of fractures excites everyone |
evidence of paleo-fluid flow through the fractures |