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April 27, 2015

Monday Geology Picture: South African Wind Farm

South Africa is currently facing a significant shortage of electricity. Recently, there have been regular periods of “load shedding” or planned power outages. Basically, there is often not enough power to go around, so the power is purposely turned off on a rotating schedule. In the neighborhood where I live and work in Cape Town, the power is regularly turned off for two hours a day or sometimes for four or more …


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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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April 15, 2011

Geology Word of the Week: T is for Travertine

Travertine terraces, Yellowstone, Western USA, Fall 2005. After a month’s absence because of the Fukushima interviews, I am resuming the geology word of the week. For my new readers, every week I blog about a geology word. Over the past several months, I have been working my way through the alphabet, from A is for Alluvium to S is for Speleothem. I hope you enjoy this weekly feature! def. Travertine:1. …


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