The giant structure called Deniliquin buried beneath the southern Australian state of New South Wales may be the remains of the largest alien “attacker” Earth has ever suffered.
Writing in The Conversation, geologist Andrew Glikson from the School of Archeology and Anthropology at the Australian National University (ANU) said the structure called Deniliquin that he and his research colleagues estimated to have a diameter of up to to 520 km.
This size far exceeds the Verdefort impact structure in South Africa, which holds the world record with a diameter of nearly 300 km.
Deniliquin lies hidden beneath the state of New South Wales after a long period of time being hidden by erosion, plate tectonics….
However, research based on magnetic models beneath New South Wales’s Murray Basin has revealed something unusual underneath, taking the apparent shape of an impact structure
Detailed geophysical data collected from 2015 to 2020 confirmed the existence of this 520 km diameter area, including seismic data obtained at the center of the giant impact crater , where there is 30 deep deformation above a mantle dome.
Magnetic field measurements also show evidence of fractures radiating from the center of a site that has suffered a major impact. Magma injected into cracks hidden deep underground also reveals itself through magnetic anomalies.
These signs are similar to those that led to the discovery of Verdefort in South Africa or the Sudbury-like structure in Canada.
Although we have not drilled down to find direct evidence, Dr. Glikson and his colleague Tony Yeaters, lead author of the article published on Deniliquin in the journal Tectonophysics, have enough evidence to show that it must be a trace of an asteroid. planet collides with Earth.
This alien attack occurred in the period before 3.2 billion years ago, which was the fierce “early life” period that the Earth had to go through, with continuous attacks from cosmic objects. .
The Australian continent and its predecessor, the supercontinent Gondwana, also represent “favorite” lands for ancient alien attackers.
Fortunately, the evolution of the entire solar system has made it less and less violent, with fewer space objects flying freely and bombarding planets, although sometimes there are still ones large enough to cause disasters. extinction, for example the giant Chicxulub caused the dinosaurs to become extinct 66 million years ago.
It is not yet possible to calculate the exact size of what caused Deniliquin, but it is certainly much larger than Chicxulub – which left a “landing zone” more than 180 km wide stretching from the mainland of the Yucatan peninsula to part of the continental shelf.