Nammianthal Meteorite Quick Facts
- Name: Nammianthal
- Year Discovered: 1886
- Approximate Recovery Location: , Kilpennathur, Tamil Nadu, India
- Precise Recovery Location: (12.28333, 79.2)
- Mass: 4500 grams
- Classification: H5
- Discovery Type: fall
- Condition: Valid
More Details About the Nammianthal Meteorite
The Nammianthal meteorite was discovered in 1886. It was recovered in , Kilpennathur, Tamil Nadu, India (12.28333, 79.2). It has a mass of 4500 grams.
Nammianthal 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.
Nammianthal’s official classification is H5. The “H5” classification indicates a high-iron ordinary chondrite from the H group, characterized by its relatively small chondrules and siderophile elements, with oxygen isotope ratios nearing Earth’s values. This type 5 meteorite has undergone significant metamorphism, leading to a uniform composition of minerals like olivine and pyroxene, growth of secondary minerals, and less distinct chondrule features.
The Nammianthal meteorite is a “fall” 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