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June 19, 2017

Monday Geology Picture: Bogenfels Arch, Sperrgebiet, Namibia

Monday Geology Picture: Bogenfels Arch, Sperrgebiet, Namibia

I’m up in Namibia this week, so I thought it would be appropriate to share a picture that I took over the weekend of Bogenfels Rock Arch, which is located in the Sperrgebiet region of Namibia. I previously posted a similar picture back in 2015. See that post for some more information on the arch and the Sperrgebiet.

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May 29, 2017

Monday Geology Picture: Kimberlite in Kimberley

Monday Geology Picture: Kimberlite in Kimberley

For this week’s “Monday Geology Picture”, here’s a snap of a mine cart filled with kimberlite rocks — and a mantle xenolith or two. I took this picture last year when I visited The Big Hole Museum in Kimberley, South Africa. The rock kimberlite was named after the town of Kimberley, of course! For those who are unfamiliar, kimberlite is the ore that is mined for diamonds, and many of the …

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May 22, 2017

Monday Geology Picture: A Vineyard & the Cape Fold Belt

Monday Geology Picture: A Vineyard & the Cape Fold Belt

For this week’s “Monday Geology Picture” here’s a view of the Cape Fold Belt with a vineyard in the foreground. I took this picture yesterday when I took a short walk with some friends through a vineyard located in the Stellenbosch winelands, just outside of my home city of Cape Town. You can see some impressive folding in those distant mountains!

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May 15, 2017

Monday Geology Picture: Pahoehoe Lava Flow

Monday Geology Picture: Pahoehoe Lava Flow

For this week’s “Monday Geology Picture” here’s a stunning example of a pahoehoe lava flow. I took this picture back in March when I visited Piton de la Fournaise volcano on Réunion Island. I’ll be sharing more pictures from Réunion soon – stay tuned!

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May 8, 2017

Monday Geology Picture: Sandstone Rock Art

Monday Geology Picture: Sandstone Rock Art

First and foremost, I must apologize for the long gap in my blogging. I started the year with great intentions to revive this blog with my monthly science book posts… and then I didn’t post for several months! However, I think I have a good excuse: in January I found out that I am pregnant. Unfortunately, I have been suffering from an extreme form of morning sickness. I’ve been really, …

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January 16, 2017

Monday Geology Picture: Intaka Island Salt Pan

Monday Geology Picture: Intaka Island Salt Pan

For this week’s picture, here’s a view of a salt pan on Intaka Island, a small nature reserve in the Century City area of Cape Town. I often go to Intaka Island to paddle in a kayak on the canals surrounding the island. On Saturday morning I went for one of my usual paddles, and then in the afternoon I joined some friends for a nature walk on the island itself. …

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January 9, 2017

Monday Geology Picture: A Sand-Filled Room in Kolmanskop, Namibia

For this week’s “Monday Geology Picture” here’s a picture of a spectacular sand-filled room in a house in the ghost town of Kolmanskop, Namibia. I visited this diamond mining ghost town back in 2014, and you can find more pictures from that visit here. If you ever visit Namibia I highly recommend a visit to Kolmanskop!

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January 2, 2017

Monday Geology Picture: Desert Migmatite

Monday Geology Picture: Desert Migmatite

I was a little sporadic with my “Monday Geology Picture” posts in 2016. I’ll try to be more consistent in 2017! To start off, here is a shot of a lovely little hill of migmatite in the town of Lüderitz, which is located at the edge of the Namib desert in the beautiful country of Namibia. I took this picture when I was up in Namibia back in 2014. Happy New Year… and …

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November 21, 2016

Monday Geology Picture: The Big Hole, Kimberley, South Africa

Monday Geology Picture: The Big Hole, Kimberley, South Africa

This week’s “Monday Geology Picture” is a shot of the Big Hole in Kimberley, South Africa. This hole, now filled partly with water, is the remains of an early diamond mine in a kimberlite (a rock type named after the town of Kimberley) pipe. The pipe was mined from 1871 to 1914 and today can be safely visited and observed (from a walkway) as part of a visit to The Big …

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September 26, 2016

Monday Geology Picture: Travertine Timeline

Monday Geology Picture: Travertine Timeline

This week I’m featuring one of my all-time favorite geology pictures: a snapshot of layers of travertine, representing the build-up of carbonate crusts precipitated from springs over many years. This picture was taken several years ago during my Ph.D fieldwork in the Sultanate of Oman. The layers in this picture took several thousand years to accumulate.

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