Allan Hills A81001 Meteorite Quick Facts
- Name: Allan Hills A81001
- Year Discovered: 1981
- Approximate Recovery Location: Antarctica
- Precise Recovery Location: (-76.70111, 159.40305)
- Mass: 52.9 grams
- Classification: Eucrite-unbr
- Discovery Type: find
- Condition: Valid
More Details About the Allan Hills A81001 Meteorite
The Allan Hills A81001 meteorite was discovered in 1981. It was recovered in Antarctica (-76.70111, 159.40305). It has a mass of 52.9 grams.
Allan Hills A81001 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.
Allan Hills A81001’s official classification is Eucrite-unbr. An “Eucrite-unbr” meteorite is a type of achondrite from the eucrite group that is unbrecciated, meaning it hasn’t experienced significant fragmentation or crushing. Eucrites are a common type of basaltic meteorite, and they are associated with asteroid 4 Vesta, along with diogenites and howardites, collectively known as HED meteorites.
The Allan Hills A81001 meteorite is a “find” 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: 12/29/23