January 2023

“The 50 State Unofficial Meteorites: A Guidebook for Aspiring Meteoriticists”

By | | Accretion Desk

With a degree in geosciences from Princeton, author Yinan Wang brought the magic and wonder of gems, minerals, and fossils to the young adult masses through a pair of books using “The 50 State” theme. And now in a third book, meteorites join the fold with the new book The 50 State Unofficial Meteorites: A Guidebook for Aspiring Meteoriticists. The

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One More Achondrite

By | | Jim's Fragments

As 2023 starts Jason Phillips and I have another meteorite well along the classification trail. It is suspected at present to be a howardite or polymict eucrite. Back in late October Jason contacted me and asked if I was interested in doing another of our fun classification projects. I of course asked a couple of questions and then enthusiastically said

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Devitrified Glass

By | | Micro Visions

Many chondrules consist of phenocrysts embedded in a glassy mesostasis. Sometimes the interstitial glass will have been annealed to such an extent that it will have become devitrified through solid state diffusion into distinctly crystalline laths. Here we will look at one of each type.                              

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Siena, Wold Cottage, L’Aigle, Soldani, Chladni, Baptiste-Biot, King and Howard contributed to starting Meteoritics

By | | Micro Visions

The fall of L’Aigle, in 26 April 1803, is commonly regarded as the event that turned skeptics into believers that stones do fall from the sky; however, Siena which fell almost a decade earlier, on 16 June 1794, set in motion the belief that stones fall from the sky, and the inception of meteoritics.       Historians have often

Siena, Wold Cottage, L’Aigle, Soldani, Chladni, Baptiste-Biot, King and Howard contributed to starting Meteoritics Read Post »

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