Magma-Lithosphere Interaction Chris Havlin1 (
[email protected]) Ben Holtzman1, Jim Gaherty1, Patty Lin1, Terry Plank1, Sara Mana1, Natalie Accardo1, Roger Buck1 Mousumi Roy2, Marc Parmentier3, Greg Hirth3, Karen Fischer3, 1. Lamont-Doherty Earth Observatory; 2. University of New Mexico; 3. Brown University Holtzman and Kendall, G3, 2010 Magma-Lithosphere Interaction Melt Transport fracture propagation (magma chambers, dikes, sills, fault-interaction, eruptions) crust mantle lith. coupling somewhere between? porous flow (in a viscously deforming matrix) Magma-Lithosphere Interaction Melt Transport Lithosphere Inheritance: fracture propagation shear zones (magma chambers, dikes, sills, fault-interaction, grain size? eruptions) fabric? crust mantle lith. lith. thickness coupling somewhere depleted ?? between? dry porous flow (in a viscously refertilization? deforming matrix) (metasomatism) Magma-Lithosphere Interaction Melt Transport Lithosphere Inheritance: fracture propagation shear zones (magma chambers, dikes, sills, fault-interaction, grain size? eruptions) fabric? crust mantle lith. lith. thickness coupling somewhere depleted ?? between? + dry + porous flow (in a viscously refertilization? deforming matrix) (metasomatism) Magma-Lithosphere Interaction Melt Transport Lithosphere Inheritance: I. lithosphere inheritance and fracture propagation shear zones melt migration, accumulation, (magma chambers, grain size? infiltration dikes, sills, fault-interaction, eruptions) fabric? crust II. Intrusional heating mantle lith. lith. thickness