March 2011

Bruderheim, Canada Bruderheim. Timing is Everything.

By | | Accretion Desk

Updated: Martin Horejsi’s Meteorite Books Website  A March 1960 Witnessed Fall: Bruderheim, Canada Bruderheim. Timing is Everything. A rolling landscape of fresh fusion crust blankets this 72% complete stone of Bruderheim. Falling nearly vertically onto a frozen, snow covered land, many individuals of Bruderheim retained their crust intact. Over the past couple decades that I have been collecting meteorites, I’ve

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The Flandrau – Part 2 – UA Mineral Museum

By | | Bob's Findings

The University of Arizona Mineral Museum is a must-see attraction when you are in Tucson, especially if you are attending the Tucson Gem & Mineral Show. This article is the 2nd Part of a two-part series highlighting the meteorite displays at “The Flandrau” (Science Center) on the University of Arizona campus in Tucson. My previous article (the 1st part of

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IMCA Insights – March 2011

By | | IMCA Insights

Every year, during the Annual Meeting, the Meteoritical Society chooses the winners of several different Awards, one of them being the Brian Mason Award, it rewards the best abstract submitted by a student to the Meteoritical Society’s Annual Meeting. It is of special interest to us because this award is sponsored by the International Meteorite Collectors Association and Meteorite Magazine.

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Thinner Thin Sections

By | | Micro Visions

The canonical thickness for thin sections is 0.03mm. Professionals depend on it. Collectors insist on it. Still, if we have to rely on a conventional light microscope there are some times when thinner sections show more features. The dark, fine grained matrix of low petrographic type carbonaceous chondrites can hide smaller mineral grains. Polish off some of that material and

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