July 2018

Peas and Carats: Those Tiny Holbrook Meteorites

The Holbrook, Arizona fall of 1912 is a classic event in meteoritics both for its scale and its availability. Holbrook is a common fall in collections and complete individuals range from sub-gram six kilos, and from fresh-after-the-fall to found yesterday. The L6 chondrite fell not far from the famous Meteor Crater. About 60 miles by road in fact. And even

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Fluorescent Meteorites

Ultra violet lamps for fluorescent mineral collectors are getting smaller and lighter. Batteries are better and, in the case of long wave UV (UVA) lamps, fluorescent tubes have given way to specialized light emitting diodes. LED light is focused with either a tiny integral lens or with a conventional flashlight reflector. Small, strong, narrow beam flashlights are available. Any light

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Norm’s Tektite Teasers: (Part one of three): Indochinites: The Classics

This is my 41st column for Meteorite Times, and I just realized that in my enthusiasm for tektite oddballs, esoterica, and rarities, I have never written about the most important group of all, the classics. If you had to choose just three Indochinese tektites to anchor your collection, they would be these: a patty, a dumbell, and a teardrop. It

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Understanding Solar System History: CAIs in Meteorites

Understanding Solar System History: CAIs in Meteorites Emilie T. Dunham* *Center for Meteorite Studies, School of Earth and Space Exploration, Arizona State University, PSF 550 E. Tyler Mall, Tempe, AZ 85287, etdunham@asu.edu One of the most rewarding and exciting parts of studying meteorites is being able to participate in public outreach events. At such events, I enjoy placing a piece

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Canyon Diablo Spheroids

Our Meteorite of the Month is kindly provided by Tucson Meteorites who hosts The Meteorite Picture of the Day. Canyon Diablo Spheroids. 1 gram of 0.4mm diameter spheroids & 1 gram of 1.4mm diameter spheroids. Iron, IAB-MG. TKW 30 metric tons. Observed fall: no. Impacted about 50,000 years ago. Found 1891 in Coconino County, Arizona, USA, between Flagstaff and Winslow.

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