Old Camp Wash Meteorite, Arizona Ranch Find, Micromount

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In 2015, a rancher surveying his land while riding an ATV spotted an interesting rock which later proved to be the Old Camp Wash meteorite. It was a large broken stone with regmaglypts and subsequent searching turned up more fragments. It was analyzed and classified as a L6 chondrite that is moderately shocked at S3 and mildly weathered at W2. 

Refer to the photo. The black centimeter cube is shown for scale and is not included. You are purchasing a small fragment like the one shown. Your purchase will include a labeled gemjar for safe storage.

From the Meteoritical Bulletin entry on Old Camp Wash :

Old Camp Wash        33°30’N, 112°56’W

Arizona, USA

Find: 2015 Feb

Classification: Ordinary chondrite (L6)

History: A large broken stone weighing 13.1 kg and displaying distinct fusion crust and some regmaglypts was found on the surface by a rancher while he was riding on his ATV near the town of Tonopah, Arizona. A thorough search of the area by meteorite hunters produced two more large fragments and a several small ones totaling an additional 4982.2 grams.

Physical characteristics: Saw cut reveals many scattered faint chondrules in an orange-brown groundmass.

Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows texturally equilibrated chondrules, and plagioclase grains up to 100 μm.

Geochemistry: (C. Agee and N. Muttik, UNM) Olivine Fa26.4±0.5, Fe/Mn=51±2, n=8; low-Ca pyroxene Fs22.2±0.4Wo0.9±0.1, Fe/Mn=30±1, n=6.

Classification: Ordinary chondrite (L6)