@inproceedings{castro:insu-00359701, TITLE = {{Spherulites Record Crystallization, Degassing, and Oxidation-reduction Mechanisms in Obsidian Flows}}, AUTHOR = {Castro, J. M. and Beck, Pierre and Cottrell, E. and Tuffen, H.}, URL = {https://insu.hal.science/insu-00359701}, NOTE = {abstract V14A-07 INVITED}, BOOKTITLE = {{American Geophysical Union, Fall Meeting 2007}}, ADDRESS = {San Francisco, United States}, YEAR = {2007}, MONTH = Dec, HAL_ID = {insu-00359701}, HAL_VERSION = {v1}, }