Feature Ring: A Geological Deep Dive in Dresden

The Feature Ring event in Dresden offers a unique opportunity to explore one of Earth's most intriguing geological mysteries. While the event itself is set in the city of Dresden, its focus is the Deniliquin multiple-ring feature, a deeply buried structure in southeast Australia that may be the largest asteroid impact structure on the planet. Attendees can expect presentations and discussions on the geophysical evidence, including magnetic and gravity patterns, that suggest a massive impact basin.

This event is particularly compelling for those fascinated by planetary science and Earth's history. The Deniliquin feature, proposed by Anthony Yeates in the late 1990s, is estimated to be over 500 million years old and may have triggered a major glaciation and mass extinction. The program will delve into the latest research, including a 2022 paper by Glikson and Yeates that uses recent geophysical data to support the impact hypothesis.

The event provides a rare chance to learn about a structure that could rewrite the record books. The Deniliquin feature's diameter of 520 km exceeds the largest verified impact structure on Earth, the Vredefort impact structure. Discussions will cover the geophysical characteristics, including a central quiet magnetic zone and circular Bouguer gravity patterns, as well as the radial faults associated with magnetic anomalies.