Yamato 983730 Meteorite

Yamato 983730 Meteorite Quick Facts

  • Name: Yamato 983730
  • Year Discovered: 1998
  • Approximate Recovery Location: Antarctica
  • Precise Recovery Location: (0.0, 0.0)
  • Mass: 26.49 grams
  • Classification: H4-5
  • Discovery Type: Found
  • Condition: Valid

More Details About the Yamato 983730 Meteorite

The Yamato 983730 meteorite was discovered in 1998. It was recovered in Antarctica (0.0, 0.0). It has a mass of 26.49 grams.

Yamato 983730 is considered a “Valid” meteorite. “Valid” meteorites are typical meteorites with average weathering, while “relict” meteorites are those that have been extremely altered, either due to weathering over time or human intervention.

Yamato 983730’s official classification is H4-5. The classification “H4-5” refers to an ordinary chondrite meteorite from the H group that is a breccia composed of both type 4 and type 5 components. These meteorites are characterized by abundant chondrules and have undergone different levels of metamorphism, which altered the mineral composition, including the transformation of low-Ca pyroxene to orthopyroxene in type 5 components. Studying these meteorites provides insights into the history and processes that shaped materials in the early solar system.

The Yamato 983730 meteorite is a “Found” meteorite. Meteorites are classified as “falls” if they were observed falling and recovered, while “finds” are those discovered later, often weathered by longer exposure to Earth’s environment and without a record of being seen as they fell.

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Last Updated: 1/18/24

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