Micro Visions

Portales Valley H6 is an odd meteorite. Since it fell in New Mexico in June 1998 researchers have worked to explain how it formed. The...

The Meteoritical Bulletin Database tells us that Gladstone (stone) is 57.3 kg of H4 found in New Mexico in 1936. A little digging unearthed more...

Calama 074 is a 17 gram oriented ordinary chondrite found in October 2018 by Ilya Kryachko on a limestone plateau 40 km east of the...

Ten years ago we took a look at this meteorite that was found south of Dallas, Texas in 1943. Here are some photos from new...

Here are some objects we found in the Rumuruti chondrite, NWA 5245 R3. All are in thin section and viewed in cross-polarized light. We like...

Many chondrules consist of phenocrysts embedded in a glassy mesostasis. Sometimes the interstitial glass will have been annealed to such an extent that it will...

The fall of L’Aigle, in 26 April 1803, is commonly regarded as the event that turned skeptics into believers that stones do fall from the...

The Gao-Guenie fall in 1960 produced many oriented stones. I bought this small one from Marcin Cimała and had it thin sectioned.      ...

At this writing, September 2022, there are five CL, Loongana group, carbonaceous chondrites. All are of petrologic type 3.9 or 4. Metzler et al. defined...

NWA 13784 CV3-an was brought to us by Hanno Strufe and Andreas Grünemeyer, described by Ansgar Greshake with oxygen isotopes by Karen Ziegler. It appears...

NWA 2798 L3.2 S2 W1 contains chondrules and clasts that contain fine acicular crystals. Here we look at a larger one.        ...

This two inch long slice was a gift from Hanno Strufe who owns one kilogram of this material with Ismaily Sidi Mohamed. Of course I...