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October 8, 2018

Monday Geology Picture: Tropic of Capricorn

I recently traveled to Botswana, and I was delighted to find a statue marking the Tropic of Capricorn as a roadside attraction. This statue is brand new and was unveiled earlier this year. Check out this article for some more information. Here are a couple pictures of the informational signs associated with the statue:   If you ever find yourself in Botswana, please visit the statue! I enjoyed the stop …

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October 1, 2018

Monday Geology Picture: Tantalite Specimen

For this week’s picture, here’s an image of a tantalite mineral specimen. I snapped this picture when I visiting a university last week — the mineral stood out for me amidst a collection of numerous rocks and minerals that were on display for geology students. I’d seen tantalite before — I’ve observed it under the microscope in heavy mineral concentrates. However, I’d never seen such a big example of it …

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September 24, 2018

Monday Geology Picture: More Airport Geology

I’m traveling again this week (4 weeks of travel in a row!), so today I’m sharing another picture of some “airport geology”. Specifically, this is a picture of some gorgeous decorative stones adorning a column at O.R. Tambo International Airport in Johannesburg, South Africa. I took this picture yesterday when I was passing through the airport.  I particularly like the way the block of rock was split and the set …

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September 17, 2018

Monday Geology Picture: Airport Geology

I travel a lot for my job, and I often find myself traveling through O.R. Tambo International Airport in Johannesburg, South Africa. The terminal buildings contain some lovely decorative stones, which I often admire as I’m navigating my way through the airport. For example, while I was waiting for my luggage today I admired, as I have before, some of the lovely decorative stones that make up part of the …

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September 10, 2018

Monday Geology Picture: Geology Building at the University of Queensland

Earlier this year I visited The University of Queensland in Australia. For this week’s picture, I’m sharing an image of the lovely geology building at the university. The building is made out of gorgeous sandstone blocks… and there’s a dinosaur mural! And, lower down, check out the stones with the fossil carvings! What a great building. I think this is one of the most lovely and delightful geology buildings that …

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September 3, 2018

Monday Geology Picture: Heavy Mineral Lag

Life has been busy, so once again I’ve been negligent with blogging. Let’s see if I can do better for the rest of the year. To start, here’s a beautiful picture of a heavy mineral lag on a beach in New Hampshire. The red garnets show up particularly well. The heavier minerals, including garnets, have concentrated behind a log on a lakeside beach. Wave action has winnowed the lighter minerals …

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June 18, 2018

Monday Geology Picture: Greenland View

I recently flew from London to Vancouver, and the views as we flew over the northern part of the globe were spectacular. I particularly enjoyed flying over Greenland, a country largely covered by ice and snow. I spent a good hour or so looking at the white landscapes, which only provided glimpses of the rocky landscape underneath – generally dark rocks peeking through the white and sometimes, it seemed, directing …

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June 11, 2018

Monday Geology Picture: Roots and Rock

It’s been over a month since I posted a “Monday Geology Picture”. Apologies for that — I was traveling (4 weeks in a row!) and was very busy. Anyway, I’ll try to post regularly again now. Today I’m sharing an impressive example of biological weathering, which is when a living organism contributes to the weathering of a rock. In this case, large tree roots are breaking apart a sedimentary rock. …

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April 30, 2018

Monday Geology Picture: Another View of Fish River Canyon, Namibia

This week I’m sharing another view of Fish River Canyon in Namibia. This week’s picture shows the canyon as viewed from the start of the hiking trail. In the foreground you can see the very start of the hike: a steep path downwards with some safety chains. Also check out last week’s picture, which was taken at the bottom of the canyon.

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April 23, 2018

Monday Geology Picture: Fish River Canyon, Namibia

This week I’m sharing a picture from Fish River Canyon in Namibia. This remote and beautiful canyon has some stunning geology – I’ll blog more about it when I have a chance. Back in 2016 I hiked the canyon over 5 days with a group of good friends. I highly recommend the trip, although you should make sure that you’re really fit since I found the backpacking to be quite …

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