Buried giant back in the spotlight
Geologists are revisiting a theory that a massive asteroid impact structure lies buried beneath the Riverina region in Australia. If confirmed, the 520km-wide structure would be the largest impact site on Earth.
Why it matters
Confirmation of this site would be a significant scientific discovery with implications for understanding Earth's geological history.
A scientific theory that put Deniliquin on the global geological map is once again attracting attention.
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Report about the proposed Deniliquin asteroid impact structure are again being widely shared across social media and science forums three years after it first made international headlines.
The renewed interest comes despite there being no publicly announced progress on the next critical stage of research, which would involve deep drilling or major seismic testing to confirm the theory.
The Deniliquin structure, first identified by geologist Tony Yeates, is believed to lie buried beneath the Riverina, with its centre estimated to be about 32km north-west of Deniliquin near the Pretty Pine and Stevens Weir district.
If ultimately proven to be an asteroid impact structure, it would dwarf every other known impact site on Earth.
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