March 2017

The Supuhee Meteorite: Assimilation and Transformation with Indigo

The Supuhee, India Chondrite fell to earth in the form of six individual stones back in 1865. Several of those stones landed on an indigo factory but unlike post-industrial revolution factory to follow, the indigo factory was where dyes were made and fabric was dyed.   Indigo dye begins with the leaves of the indigo plant. The leaves are steeped

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Tucson Gem Show 2017

Most years I write something about the meteorite aspect of the Tucson Gem and Mineral Show. And it is that time again. Paul Harris and I went to the show with different goals and at a different time frame. We drove this year since we had the time and it is now more convenient to drive since Paul moved from

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MarsFest 2017

 – Hosted by NASA & SETI Institute at the Furness Creek – Death Valley National Park, Visitors Center   Recently I was given an invite to be a presenter/volunteer at the SETI Institute’s “MarsFest 2017” program, and to man a public outreach booth displaying my Mojave Desert meteorites. There was a last minute opening when Dr. Peter Jenniskins (NASA-SETI) was

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NWA 2724 Eucrite

The assembly of polymict eucrites is neither gentle nor precise. It involves magma, impact excavation and cycles of rock crushing, mixing, lithification and more crushing. Drs. Wittke and Bunch tell us that NWA 2724 contains both subophitic and cumulate textured rock and is therefore polymict. Here is a thin section that shows this nicely.            

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A messenger from a cometary aerial burst fireball!

How can one follow the last issue story that explains the greatest tektite mystery of all time? If you missed it, check the archives. I am now satisfied that the Indoaustralian tektite event consisted of a large cluster of aerial bursts with no deep crater formation anywhere! This month’s Tektite Teaser fits nicely into the heart of an aerial burst

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