Category Archives: Geology

Casual Friday — Welcome to the Anthropocene!

Posted on 8 July, 2011 by Sam Wise

Back in 2000, a nobel laureate in Chemistry named Paul Crutzen proposed that the Earth is no longer in the Holocene era. Instead, he feels (and he’s gaining a lot of company) that we’ve long since entered the Anthropocene, an era in which human activity is playing a driving role in the planet’s ecosystems…

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The scientific tourist #179 — glacial polish

Posted on 20 June, 2011 by Sam Wise

Seen just downhill from the Mendenhall Glacier in Alaska, a really nice example of glacial polish…

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The scientific tourist #177 — Rhodochrosite

Posted on 6 June, 2011 by Sam Wise

A beautiful sample of Rhodochrosite on display at the Houston Museum of Natural Science…

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The scientific tourist #176 — Opal

Posted on 30 May, 2011 by Sam Wise

Continuing on my geology “kick,” here’s a beautiful sample of Opal on display at the Houston Museum of Natural Science…

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The scientific tourist #175 — “desert rose” barite

Posted on 23 May, 2011 by Sam Wise

Seen at the University of Denver’s Olin Hall, here’s a nice specimen of “desert rose” barite…

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The scientific tourist #174 — a trilobite

Posted on 16 May, 2011 by Sam Wise

This week’s image is of a trilobite (acadoparodoxides mureroensis), on display at the Houston Museum of Natural Science…

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The scientific tourist #173 — Azurite

Posted on 9 May, 2011 by Sam Wise

On display at the Houston Museum of Natural Science, a beautiful sample of Azurite…

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Carnivalia — 4/20 – 4/26

Posted on 27 April, 2011 by Sam Wise

The past week’s crop of (mostly) science-related blog carnivals…

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The scientific tourist #171 — seymouria baylorensis

Posted on 25 April, 2011 by Sam Wise

Straight to you from the Houston Natural History Museum, here’s seymouria baylorensis…

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The scientific tourist #167 — the Dyea, Alaska floodplain

Posted on 28 March, 2011 by Sam Wise

Dyea, Alaska — a story of boom and crash, and extremely fast post-glacial rebound…

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