Allan Hills A77214 Meteorite Quick Facts
- Name: Allan Hills A77214
- Year Discovered: 1977
- Approximate Recovery Location: Antarctica
- Precise Recovery Location: (-76.71667, 159.66667)
- Mass: 2111 grams
- Classification: L3.4
- Discovery Type: find
- Condition: Valid
More Details About the Allan Hills A77214 Meteorite
The Allan Hills A77214 meteorite was discovered in 1977. It was recovered in Antarctica (-76.71667, 159.66667). It has a mass of 2111 grams.
Allan Hills A77214 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 A77214’s official classification is L3.4. A meteorite classified as “L3.4” is an ordinary chondrite from the L group that is characterized as petrologic type 3. This means it contains a high abundance of chondrules, has low levels of aqueous alteration, and exhibits mineral characteristics like monoclinic low-Ca pyroxene grains with twinning.
The Allan Hills A77214 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