Generalized geologic map of Nepal. Modified from Amatya and Jnawali, 1994, Nepal Department of Mines and Geology.
The tectonics reading group meets on Fridays from 3:00-4:00 in CHM 1215. All are welcome to participate.
Discussion Leader Schedule
- September 7: Lisa Schleicher
- September 14: Postponed
- September 21: Kate Burgy
- September 28 (Tetsuya Komabayashi): Rachel Potter
- October 12 (Lara Wagner): Jingao Liu
- October 19: Aaron Martin, Sarah Penniston-Dorland
- October 26 (GSA next week): Adam Mansur
- November 2: Greg Shofner
- November 9: Xiaoming Liu
- November 16: Pramod Doguparty
- December 7: Barry Reno
Leucosome in stromatic migmatite is in petrographic continuity (microstructure, mineralogy and mode) with granite in the highly discordant, apparently cross cutting dyke. Le Petit Mont, Arzon, Morbihan, France. |
Two distinctive permeability-porosity trends are found in Roane cores from the Mothra Hydrothermal vent field on the Endeavor Segment of the Juan de Fuca Mid-Ocean Ridge. Microstructural observations suggest that the difference in the two permeability-porosity relationships reflects different pore evolution processes: sealing of pores with angular sulfide grains results in a power law with an exponent of ~9, whereas sealing of pores by late stage amorphous silica results in a power law with an exponent of ~3.