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Fault in Massanutten Sandstone

Here’s a gigapan I shot last yesterday, looking west from “Blue Hole” towards a cliff of Massanutten Formation sandstone, south of Waterlick, Virginia. A prominent fault zone can be seen in the center...

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Paleoproterozoic stromatolites from the Malmani Dolomite (Transvaal Supergroup)

After our safari, Lily and I were taken up onto the Great Escarpment in northern South Africa. The escarpment is supported by sedimentary strata of the Transvaal Supergroup that overlie the Archean...

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The Hidden Half of Nature, by David R. Montgomery and Anne Biklé

David Montgomery is a professor of geomorphology at the University of Washington, in Seattle. I’m a fan of his work in soil conservation and countering creationism, so I was very pleased to find...

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Oldest fossils in the UK: M.I.S.S. in Stoer Group, Scotland

This is the Split Rock at Clachtoll, on the shore of the North-West Highlands of Scotland. You’re looking out to sea, over the Minch. It’s the site that graces the cover of the excellent book A...

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Archean microbial mats in the news and in GigaPan

Yesterday, an article was published in Nature (Nutman, et al. 2016) announcing the discovery of what may be the oldest macroscopic fossils on Earth, some microbially-induced sedimentary structures...

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Hverir, Mývatn, Iceland

Today, I offer up a few photos and some video from the Hverir geothermal area on the east side of Mývatn National Park in Iceland – a rift zone astride the central Mid-Atlantic Ridge, and thus an area...

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Parasite Rex, by Carl Zimmer

I’ve always been fascinated by parasitism. Parasites are organisms that live on or in another organism (or organisms) in a way that detracts from the vitality of the host. Nothing in nature is redder...

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I Contain Multitudes, by Ed Yong

Ed Yong’s “Not Exactly Rocket Science” was one of the first science blogs that came onto my radar ten years ago when I was wading into geology blogging for the first time. He has an impressive record...

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The Tangled Tree, by David Quammen

The talented science writer David Quammen has a new book out, and it’s excellent. The Tangled Tree explores endosymbiosis and horizontal gene transfer, two aspects of evolution that undercut the...

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