Meteorite with CAIs: oldest known solid material in our solar system- the white substance in this meteorite is called Calcium Aluminum rich inclusions (CAIs) and radiometric dating sets the formation time at 4.5673 billion years ago- a few million years older than the rest of the meteorite material and thought to be the first solid compounds formed in the protoplanetary disk before the planets even existed. This substance is most common in carbonaceous chondrites type CV3 as found in this 8 gram sample which was cut and polished on one side. This particular sample was found in 2012 in Northwest Africa. Only the molecules and atoms themselves are older than this CAI material! ➡️ Follow the link in my profile for info on where to get a chunk of meteorite with CAIs and many other amazing items featured here on @physicsfun#meteorite#carbonaceous#chondrite#CAIs#oldestmaterial#deeptime#physics#physicstoy#astronomy#astrophysics#physicsfun#geophysics#geophysicstoy#solarsystem#radiometricdating#inclusion#oldestrock#rockhound#ancient#mineral#geology#science#scienceisawesome
This historic Plainview, Texas stone meteorite, with handpainted Nininger Collection number, is Lot # 72114 in the "Geoff Notkin Meteorite Collection Signature Auction" at @heritageauctions now open for online bidding at ha.com/notkin
Texas meteorites are more significant than many may think and were of great interest to several legends of meteoritics, including Oscar Monnig and Harvey H. Nininger, who recovered some of the best specimens first published by George Merrill shortly after the initial find in 1917. Nininger visited that site years later and recovered numerous specimens even though he had been discouraged by other scientists who felt it would not be productive. This outstanding sample weighing 269.5 grams represents the Plainview which is one of the larger American meteorites ever found in terms of weight. This complete individual has lots of shallow regmaglypts, wonderful fusion crust, and is slightly orientated. The magnificent sculptural rock is hand-painted with Harvey H. Nininger collection number "92.658" and also has its 'original' weight of 271 grams below the labeling. An outstanding historical piece, this has an exceptional natural form, superior texture, and documented history.
Measurements: 2.87 x 2.49 x 1.90 inches (7.28 x 6.33 x 4.82 cm), weighs 269.5 grams
Provenance: Ex. Harvey H. Nininger Collection #92.658, The Geoff Notkin Collection
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