Allan Hills 85003 Meteorite Quick Facts
- Name: Allan Hills 85003
- Year Discovered: 1985
- Approximate Recovery Location: Antarctica
- Precise Recovery Location: (-76.90286, 156.86987)
- Mass: 50.1 grams
- Classification: CO3.5
- Discovery Type: find
- Condition: Valid
More Details About the Allan Hills 85003 Meteorite
The Allan Hills 85003 meteorite was discovered in 1985. It was recovered in Antarctica (-76.90286, 156.86987). It has a mass of 50.1 grams.
Allan Hills 85003 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 85003’s official classification is CO3.5. The “CO3.5” classification is assigned to a carbonaceous chondrite in the CO group, signifying it as a type 3 meteorite with a level of metamorphism that places it towards the higher end of this category. Characterized by a mix of small chondrules and minimal refractory inclusions, these meteorites exhibit a balance of abundant chondrules and minerals that are not yet fully equilibrated, including low-calcium pyroxene grains with distinctive twinning.
The Allan Hills 85003 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