Yamato 7309 Meteorite Quick Facts
- Name: Yamato 7309
- Year Discovered: 1973
- Approximate Recovery Location: Antarctica
- Precise Recovery Location: (-71.5, 35.66667)
- Mass: 9 grams
- Classification: L5/6
- Discovery Type: Found
- Condition: Valid
More Details About the Yamato 7309 Meteorite
The Yamato 7309 meteorite was discovered in 1973. It was recovered in Antarctica (-71.5, 35.66667). It has a mass of 9 grams.
Yamato 7309 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 7309’s official classification is L5/6. The classification “L5/6” refers to ordinary chondrite meteorites from the L group, and they can either be petrologic type 5 or type 6. Petrologic type 5 meteorites have undergone some metamorphic changes, including the transformation of certain minerals and the growth of secondary minerals, while petrologic type 6 meteorites have experienced more extensive changes that include the conversion of minerals and the obliteration of many chondrule outlines, without any melting.
The Yamato 7309 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: 1/16/24