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Ancient Asteroid Impact Unveils Unique Tektites in Australia

9/25/2025

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Summary

Story summary

Researchers in South Australia found tektites formed from an ancient asteroid impact about 11 million years ago.
The tektites differ chemically from deposits and are categorized separately due to their low water content and silica grains.
Led by Anna Musolino and Fred Jourdan, no crater has been found and evidence points to a volcanic arc struck by a stony asteroid.

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Story summary

Researchers in South Australia found tektites formed from an ancient asteroid impact about 11 million years ago.
The tektites differ chemically from deposits and are categorized separately due to their low water content and silica grains.
Led by Anna Musolino and Fred Jourdan, no crater has been found and evidence points to a volcanic arc struck by a stony asteroid.