Category Archives: Geology

Casual Friday — Welcome to the Anthropocene!

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

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

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

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The scientific tourist #176 — Opal

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

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

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

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

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Carnivalia — 4/20 – 4/26

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

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The scientific tourist #171 — seymouria baylorensis

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

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

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