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17 March 2008
If “xenolith” means “foreign rock”, my dunites could be Irish
Happy St. Patrick’s Day! In the spirit of the holiday (green), I’m posting some photos of my favorite field samples – dunites! (Looks like Ron has a few of these in his Deskcrop Geopuzzle – I was a little too slow to guess this time around!) I collected these from the Vulcan’s Throne cinder cone on the North Rim of the Grand Canyon on my first “big” (meaning month-long) field …
Jessica Ball is a volcanologist at the U.S. Geological Survey, researching volcanic hydrothermal systems and stability, and doing science communication for the California Volcano Observatory. She previously worked at the Geological Society of America's Washington DC Policy Office, learning about the intersection of Earth science and legislative affairs. Her Mendenhall postdoc and PhD focused on how water affects the stability of volcanoes, and involved both field investigations and numerical modeling applications. Her blogging covers a range of topics, from her experiences in academic geosciences to science outreach and communication to her field and lab work in volcanology.