description Calcalong Creek Overview
Calcalong Creek is a lunar meteorite found in Western Australia and recognized as lunar material in 1990. It is a regolith breccia, meaning that it contains fragments of lunar rocks and minerals compacted from material once exposed near the Moon's surface. Its mixed components preserve evidence of impacts and surface processing, making the specimen useful for comparing meteoritic lunar material with samples returned by crewed and robotic missions.
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What kind of meteorite is Calcalong Creek?
Calcalong Creek is a lunar meteorite, specifically a regolith breccia. This means it contains fragments of lunar rocks and minerals that were compacted from material once exposed near the Moon's surface.
Where was the Calcalong Creek meteorite found?
Calcalong Creek was found in Western Australia. It was not observed as a fall but was discovered as a found meteorite that was later identified as lunar in origin.
When was Calcalong Creek recognized as a lunar meteorite?
Calcalong Creek was identified as lunar material in 1990. This made it one of the earlier recognized lunar meteorites, a class that only began to be identified in the early 1980s.
Why is Calcalong Creek scientifically important?
As a regolith breccia, Calcalong Creek contains mixed components from different lunar rock types, offering a composite sample of the Moon's near-surface geology. Such meteorites complement the samples returned by the Apollo and Luna missions.
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