November 2025 - Through the sandglass

Roman construction standards: sandstone, cross-bedding, concrete - and tafoni again--and-tafoni-again

As our group stood in the rain in the great arena of the stunning Roman amphitheatre at El Jem in Tunisia, guess who volunteered the fact that “arena” is the La...

November 24, 2025 7 min read

Arenaceous sporting trivia - the baseball World Series

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November 24, 2025 7 min read

The Bayeux Tapestry - the quicksand scene

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November 24, 2025 4 min read

Liquefaction, boils, and volcanoes - sand

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November 24, 2025 8 min read

Earth Science Week - sand and the nine big ideas

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November 24, 2025 9 min read

“Sand to Chips” - what’s the real story?

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November 24, 2025 11 min read

Inspiration - the beginnings of a geologist

the-beginnings-of-a-geologist" original_url: “ https://throughthesandglass.typepad.com/through_the_sandglass/2009/07/inspiration---the-beginnings-of-a-geol...

November 24, 2025 8 min read

The Monterey Submarine Canyon - continued

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November 24, 2025 12 min read

Oceano dunes (2) - Egyptian archaeology

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November 24, 2025 5 min read

More adventures of bacillus pasteurii - mending concrete

mending-concrete" original_url: “ https://throughthesandglass.typepad.com/through_the_sandglass/2009/05/more-adventures-of-bacillus-pasteurii---mending-con...

November 24, 2025 4 min read

Kitchen physics - making cross-bedding

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November 24, 2025 7 min read

Guest Photographer - nature

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November 24, 2025 3 min read