May 2016

Bob’s Bulletin – Vol. 2 No. 2

 A newsletter for unclassified meteorites found in the USA.   In all of my previous Bob’s Bulletins, I explained the meaning of the phrase “orphaned-meteorites from the USA”. I defined these “orphans” as being unwitnessed-fall Ordinary Chondrite (OC) meteorite “finds” that are recovered in the U.S., but that the finders of these meteorites have found great difficulty in getting their

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Micro Visions Ribbons

We’ve seen curtains of microscopic bubbles before in meteorite thin sections. Readers might remember some in Greg Hupé’s NWA 6704 ungrouped achondrite, third photo. Here are others in another ungrouped achondrite that are intriguing for a couple of reasons. They often occur in multiple parallel sheets and they are sometimes quite wavy like heavy drapery. When viewing sections we should

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The Chimeric Clast | The Discovery of a New Kind of Meteorite

In a rare event in the field of meteoritics, researchers at UCLA quietly announced the discovery of a new kind of ordinary chondrite in an abstract submitted to the 47th Lunar and Planetary Science Conference. This two page abstract is a precursor to a much more in depth paper soon to be published with a working title of, ‘A new

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