Northwest Africa 513 Meteorite Quick Facts
- Name: Northwest Africa 513
- Year Discovered: 1999
- Approximate Recovery Location: Morocco
- Precise Recovery Location: (23.6, -5.0)
- Mass: 1000 grams
- Classification: L4/5
- Discovery Type: Found
- Condition: Valid
More Details About the Northwest Africa 513 Meteorite
The Northwest Africa 513 meteorite was discovered in 1999. It was recovered in Morocco (23.6, -5.0). It has a mass of 1000 grams.
Northwest Africa 513 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 513’s official classification is L4/5. The classification “L4/5” refers to an ordinary chondrite from the L group, and it can be either petrologic type 4 or type 5. These meteorites are characterized by a high abundance of chondrules, small round mineral grains, and they have experienced different levels of metamorphism. Type 4 meteorites have undergone metamorphism that homogenized certain mineral compositions, while type 5 meteorites have undergone more extensive changes, including the conversion of specific minerals and blurring of chondrule outlines.
The Northwest Africa 513 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