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January 5, 2020

Climate Change Resolutions

Happy New Year, everyone! This year, I am not worrying about stereotypical New Year’s resolutions, such as trying to exercise more or learn a new language. Instead, I am making some climate change resolutions. That is, I am making some resolutions to lower my environmental (including carbon) footprint. These resolutions are not perfect — there is certainly much more that I could do to lower my footprint. However, I have …


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Donate to Help Australia – and I’ll Send You an Aussie Postcard

I moved to Australia last year, and I am very happy and proud to be living in this incredible country. Recently, my heart has been breaking as I hear about the Australian bushfires, which are catastrophic and have grown much worse over the past couple of weeks. The extreme nature of the fires is no doubt due to climate change, as explained, for example, here and here. I live in …


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February 5, 2013

LASI V: Fire and Ice– Antarctic Glaciovolcanism Provides Clues to Past Climate

Note: Dr. Sergio Rocchi, an associate professor at the University of Pisa in Italy, presented a talk, “Intravolcanic sills, lava flows, and lava-fed deltas (Victoria Land, Antarctica): Paleoenvironmental Significance” at the LASI V workshop in Port Elizabeth, South Africa in October 2012. The article below is based on this talk and also an interview with Dr. Rocchi. Over a few weeks, I am highlighting some of the research that was …


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March 12, 2012

Monday Geology Picture: Listwanite Hills in the Sultanate of Oman

Today I am going to share some pictures of listwanite (also sometimes spelled listvenite, listvanite, or listwaenite), an unusual  rock type that I bet even some of the well-educated geologists who read this blog have never seen or even read about. I don’t even think there’s a wikipedia entry about listwanite. Perhaps I’ll write one after my thesis defense next month. Listwanite forms when ultramafic rocks (most commonly mantle peridotites) …


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January 26, 2012

Global Warming is Scary

When I was visiting my friends in Abu Dhabi a couple of weeks ago, we had dinner at a local mall just before I headed to the airport for my flight home to South Africa. As we were leaving the mall, I bought myself a few children’s books in Arabic. After I finish up my PhD in April, I’m hoping to work through these Arabic children’s books as a way …


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March 6, 2011

Temporal Disconnect: An Underwater Oceanographic Institution?

Martha’s Vineyard oceanview, Cape Cod, November 2008. I was walking along the beach today in Woods Hole here on Cape Cod. I wanted some fresh air and felt like collecting some seashells. You always find the best seashells in the winter. There’s no one else on the beach, usually, so the biggest, most beautiful seashells will just be waiting for you there on the sand, perhaps tangled in some seaweed. …


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