Yamato 983420 Meteorite

Yamato 983420 Meteorite Quick Facts

  • Name: Yamato 983420
  • Year Discovered: 1998
  • Approximate Recovery Location: Antarctica
  • Precise Recovery Location: (0.0, 0.0)
  • Mass: 68.04 grams
  • Classification: H3
  • Discovery Type: Found
  • Condition: Valid

More Details About the Yamato 983420 Meteorite

The Yamato 983420 meteorite was discovered in 1998. It was recovered in Antarctica (0.0, 0.0). It has a mass of 68.04 grams.

Yamato 983420 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 983420’s official classification is H3. The classification “H3” refers to an ordinary chondrite from the H group that is petrologic type 3. Ordinary chondrites in the H group are known for their high siderophile element content, relatively small chondrules, and distinctive oxygen isotope compositions, while petrologic type 3 chondrites are characterized by abundant chondrules, minimal aqueous alteration, and unequilibrated mineral assemblages, with some low-Ca pyroxene grains exhibiting specific characteristics like monoclinic structure and polysynthetic twinning.

The Yamato 983420 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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