MacAlpine Hills 02869 Meteorite Quick Facts
- Name: MacAlpine Hills 02869
- Year Discovered: 2002
- Approximate Recovery Location: Antarctica
- Precise Recovery Location:
- Mass: 0.36 grams
- Classification: CM1
- Discovery Type: Found
- Condition: Valid
More Details About the MacAlpine Hills 02869 Meteorite
The MacAlpine Hills 02869 meteorite was discovered in 2002. It was recovered in Antarctica . It has a mass of 0.36 grams.
MacAlpine Hills 02869 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.
MacAlpine Hills 02869’s official classification is CM1. A “CM1” meteorite is a type of carbonaceous chondrite from the CM group that is petrologic type 1. Carbonaceous chondrites are a major type of meteorite with specific chemical characteristics, and CM chondrites have small chondrules and abundant hydrated minerals. A CM1 meteorite has undergone significant aqueous alteration, where most of its primary minerals have been replaced by secondary phases, and it typically lacks chondrules.
The MacAlpine Hills 02869 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: 1/12/24