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Scientists found new glass beads in Australia, proving a previously unknown 11-million-year-old meteorite impact.
Scientists have identified a new type of glass bead, ananguites, in South Australia, providing evidence of a previously unknown meteorite impact about 11 million years ago.
Unlike the well-known Australasian tektites, ananguites have distinct chemical and physical properties, including lower silica and higher iron, magnesium, and calcium content.
Found in museum collections and confirmed through argon dating, these beads point to a separate impact event on a different crustal region.
The source crater remains undiscovered, likely due to erosion or misidentification.
The findings, published in Earth & Planetary Science Letters, reveal a major gap in Earth’s impact history.
Los científicos encontraron nuevas perlas de vidrio en Australia, lo que demuestra un impacto de meteorito previamente desconocido de hace 11 millones de años.