Beardsley meteorite explained

Beardsley meteorite
Type:Chondrite
Class:Ordinary chondrite
Group:H5
Country:United States
Region:Kansas
Lat Long:39.8°N -113°W
Fall Date:1929-10-15
Tkw:16kg (35lb)

The Beardsley meteorite is a meteorite that fell in Beardsley, Kansas, on October 15, 1929.[1] [2] Three samples were preserved, one collected the following day, at Michigan State University, and two collected two years later, at the Smithsonian Institution and Arizona State University.[3]

It is a chondritic type,[4] but the samples showed unusual radionuclide profiles when analyzed in 1962: the Michigan State University sample was unusually high in potassium (higher than any other chondrite), rubidium (higher than any other meteorite), and caesium, while the Smithsonian Institution sample uniquely contained measurable amounts of Radium-226 and its decay products, suggesting contamination.[3] Its age has been estimated at 4.64 billion years.[5]

See also

Further reading

Notes and References

  1. Book: Harvey Harlow Nininger . The Published Papers of Harvey Harlow Nininger: Biology and Meteoritics . Publications of the Center for Meteorite Studies, Arizona State University, Tempe . 1971 . 281191 . 168, 354 .
  2. Web site: The Beardsley, Kansas Chondrite. Meteorite Times Online. The Meteorite Exchange . February 2, 2018 .
  3. Book: Marvin W. Rowe . Quantitative Measurement of Gamma-ray-emitting Radionuclides in Meteorites . Los Alamos Scientific Laboratory . January 31, 1963 . 50–55 .
  4. Web site: Beardsley . Meteorical Bulletin Database . December 3, 2020.
  5. Book: Geological Survey Research 1973 . U.S. Geological Survey . 1973 . U.S. Geological Survey Professional Paper . 850 . 153 .