Christine Siddoway

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1	Newsletter of the Society May 2016 The objective of the Society is to promote the knowledge and understanding of Earth science, and its application to human needs Add to Reading List Source URL: www.coloscisoc.org Language: English - Date: 2016-05-19 05:19:25 Hadean Geology Gemstones Nesosilicates Zircon Gneiss Christine Siddoway Oldest dated rocks Provenance Acasta Gneiss South Park Colorado
2	ISAES field trip to the Rio Grande rift and Valles Caldera August 22-26, 2007 Trip leaders: C. Siddoway / N. Dunbar, W. McIntosh, and P. Kyle Colorado College / New Mexico Tech University Excursion coordinator: Christine Add to Reading List Source URL: isaes2007.geol.ucsb.edu Language: English - Date: 2007-12-21 17:03:19 Jemez Mountains Supervolcanoes Basin and Range Province Santa Fe National Forest Valles Caldera Colorado Rio Grande rift Caldera San Juan Mountains Geography of the United States Geology Colorado counties