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September 13, 2014

Chamarel Waterfall, Mauritius

Today I’m continuing with sharing some pictures from my March 2014 trip to the volcanic island of Mauritius. You can see some of my previous posts on Mauritius here, here, and here. Mauritius is a tropical island, so in many┬áplaces the lava rocks, particularly the older ones, are covered by thick green vegetation. However, there are some places where you can see the lavas well. One of those places is …

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September 8, 2014

The Young Volcanic Landscape of Mauritius

For the next little while, I will be blogging about my recent (March 2014) vacation┬áto Mauritius, a young volcanic island in the Indian Ocean. I recently shared a couple of pictures of volcanic basalt in Mauritius for my “Monday Geology Picture” posts here and here. In future posts, I’ll write a little more about the volcanic history of Mauritius. In brief, Mauritius is believed to have been formed by a …

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July 30, 2012

Monday Geology Picture(s): A Lava Road Closure on Hawai’i

My friend Arthur recently visited Hawai’i and sent me some wonderful pictures of lava and basalt! My favorite picture is the one above of a former road now almost completely covered by basalt. Arthur informs me that the sign was for Chain of Craters Road, which is now buried under several meters of basalt in places. Here’s the approximate location of the roadsign. Arthur also sent me a few pictures …

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December 23, 2010

Geology Word of the Week: H is for Hotspot

Travertine forming at a hotspring, Yellowstone hotspot, Fall 2005.  def. Hotspot: 1. A place where you can obtain internet in order to write your geology blog.2. A thermal anomaly within Earth’s mantle, generally consisting of a hot, rising plume of mantle material that generates volcanism- or increased volcanism- on Earth’s surface. Hotspots are aptly named- they are spots of the Earth that are hot. They are spots because they are …

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