A space to discuss aspects of the Caribbean geology, ore potential of the ophiolite belts, etc.
Monday, March 10, 2025
https://youtu.be/dszAwziME9A
Source: https://shorturl.at/aVIOW
In a groundbreaking discovery, geologists have identified Earth's oldest known meteorite impact crater in Western Australia's Pilbara region. This ancient crater, estimated to be over 3.5 billion years old, surpasses the previous record-holder by more than a billion years. The discovery was made during fieldwork in May 2021, where researchers found shatter cones—distinctive geological features indicative of meteorite impacts—in the area. This finding supports the theory that such colossal impacts played a pivotal role in the formation of Earth's early continental crust.
The identification of this crater not only provides tangible evidence of early meteorite impacts but also offers insights into the processes that shaped our planet's primordial landscape. The presence of spherules—tiny droplets formed from molten rock ejected during impacts—within the crater's vicinity further corroborates its meteoritic origin. This discovery opens new avenues for understanding Earth's formative years and the external forces that influenced its geological evolution.
P. Geo. Ricardo A Valls, M. Sc. and Geo Gadfly
Valls Geoconsultant
ORCID ID- https://orcid.org/0000-0002-5421-0914
Scopus Author ID: 7003369619/35335510700
ResearcherID: S-6604-2018
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