Shallowater (Lubbock County, Texas, USA) Aubrite (stone) Found July 1936

Shallowater was found in Lubbock County, Texas in July 1936 - a single stone weighing just 4.65kg forms the total known weight of this find. Besides Mount Egerton, Shallowater is the only other unbrecciated aubrite known - it also contains xenolithic inclusions, and the highest metallic component of all aubrites, at 3.3% by volume.

Shallowater has a crystallization age of 4,530,000,000 years, and a cosmic ray exposure age of 26,800,000 years, making this meteorite one of our more elderly visitors, of similar ages to the E-chondrites.

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