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New Tektite Field Discovered in Brazil: Geraisites Unveiled

3/5/2026

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Summary

Story summary

Researchers have identified a new field of tektites in Brazil, named geraisites, spanning about 560 miles.
The tektites formed from meteorite impacts, with the latest event dated to 6.3 million years ago.
Around 500 specimens were collected in Minas Gerais, with additional finds reported in Bahia and Piauí.
The crater remains undiscovered in the São Francisco Craton.

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Story summary

Researchers have identified a new field of tektites in Brazil, named geraisites, spanning about 560 miles.
The tektites formed from meteorite impacts, with the latest event dated to 6.3 million years ago.
Around 500 specimens were collected in Minas Gerais, with additional finds reported in Bahia and Piauí.
The crater remains undiscovered in the São Francisco Craton.