February 2011 -

Dubrovnik: A Lumberjack Meteorite from the land of Oak Forests

By Martin Horejsi | February 1, 2011 | Accretion Desk

Updated: Martin Horejsi’s Meteorite Books Website A February 1951 Witnessed Fall: Dubrovnik, Croatia Dubrovnik: A Lumberjack Meteorite from the land of Oak Forests Resting on a one centimeter cube, it is easy to see this sample of Dubrovnik is not large. But according to the distribution listed in the Catalogue of Meteorites, this piece is the seventh largest in any

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Tucson Show 2011 Recap

By James Tobin | February 1, 2011 | Jim's Fragments

Well another Tucson Gem and Mineral Show has come and gone. I went this year with a lot of other concerns on my personal plate. But, it turned out to be a great time for me and I was for the most part able to forget the other stuff for a few days. Paul and I hit town on Wednesday

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The Flandrau – Science Center & Planetarium

By Robert Verish | February 1, 2011 | Bob's Findings

The Flandrau – Science Center & Planetarium For the meteorite aficionado this is a must-see destination while attending the Tucson Gem & Mineral Show. The Tucson Gem and Mineral Show has become a “mecca” for those of us with any interest in meteorites. The yearly “pilgrimage” to this desert city-turned-spacerock-convention is often described in near-religious-tones by visiting meteorite aficionado as

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IMCA Insights – February 2011

By IMCA TEAM | February 1, 2011 | IMCA Insights

IMCA Insights – February 2011 The Morasko iron shower – a few scientific and ethical questions by Andrzej S. Pilski In recent years meteorite hunters, armed with modern metal detectors, raised Morasko to the position of the largest European iron shower. Despite those numerous finds our knowledge of the shower itself has not increased as some finders have refused to

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Relict Grains

By John Kashuba | February 1, 2011 | Micro Visions

Chondrules were molten droplets. What caused the melting is hotly debated (har). Chondrule textures reflect the extent of melting and rates of cooling. Porphyritic chondrules did not fully melt. Fine-grained porphyritic chondrules began cooling with many fine widely distributed unmelted mineral crystals. Coarse-grained porphyritic chondrules had fewer. Either type can contain larger grains that survived the melting episode and retain

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Meteorite Calendar – February 2011

By Anne Black | February 1, 2011 | Meteorite Calendar

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Unclassified NWA Chondrite 66.6 Grams

By James Tobin | February 1, 2011 | Meteorite Of The Month

Question: Is a meteorite like the one pictured here considered fully crusted if it has a late flight breakup and the broken surface is covered only around its perimeter with crust and roll over material? This melted material resulted from a too brief stable ablating flight after the in flight disruption of the mass. But, as you can see it

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Muong Nong Tektite

By Paul Harris | February 1, 2011 | Tektite Of The Month

A perfect 3.5 kg specimen of Muong Nong from Laos with no chips or damages at all. The 2 cent piece has a diameter of aproximately 2 cm.

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