Northwest Africa 4721 Meteorite Quick Facts
- Name: Northwest Africa 4721
- Year Discovered: 2005
- Approximate Recovery Location: Morocco
- Precise Recovery Location:
- Mass: 7.3 grams
- Classification: CK4
- Discovery Type: Found
- Condition: Valid
More Details About the Northwest Africa 4721 Meteorite
The Northwest Africa 4721 meteorite was discovered in 2005. It was recovered in Morocco . It has a mass of 7.3 grams.
Northwest Africa 4721 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.
Northwest Africa 4721’s official classification is CK4. The “CK4” classification identifies a carbonaceous chondrite from the Karoonda (CK) group, characterized by a high content of fine-grained matrix, chondrules without igneous rims, and a notable degree of oxidation. As a type 4 meteorite, it has undergone metamorphism leading to uniform olivine compositions, recrystallized matrix, and an absence of primary igneous chondrule glass.
The Northwest Africa 4721 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: 1/15/24