Northwest Africa 4149 Meteorite Quick Facts
- Name: Northwest Africa 4149
- Year Discovered: 2004
- Approximate Recovery Location: Morocco
- Precise Recovery Location:
- Mass: 400 grams
- Classification: L3
- Discovery Type: Found
- Condition: Valid
More Details About the Northwest Africa 4149 Meteorite
The Northwest Africa 4149 meteorite was discovered in 2004. It was recovered in Morocco . It has a mass of 400 grams.
Northwest Africa 4149 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 4149’s official classification is L3. Meteorites classified as “L3” are ordinary chondrites from the L group that exhibit characteristics of petrologic type 3 chondrites. These meteorites are known for having abundant chondrules, low levels of aqueous alteration, and mineral compositions that are not fully equilibrated. Some of the low-Ca pyroxene grains may have monoclinic structures and display polysynthetic twinning, and they may belong to different subtypes within the type 3 category based on their degree of metamorphism.
The Northwest Africa 4149 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