On the east coast of the Hudson Gulf, researchers discovered volcanic breeds, which may be the most ancient fragments of soil crust.
In the province of Quebec, on the east coast of the Hudson Gulf, researchers have discovered excessive ancient volcanic breeds, which may be the oldest fragments of crust in the world. Their age is at least 4.16 billion years, and some parts can reach 4.3 billion.
The found was made in the Nuvvuagittuq Greenstone Belt area, not far from the inuite inukjouac. The study has been published in the Journal Science, Reuters reports.
“Nuvuviagittuk breeds and zones are the only preserved certificate from the bastard time. They opened a unique window in our planet’s ancient history to better understand how the first crust of land was formed and what the geodynamic processes were involved in it,” explained the leader of the study, Geology of Geology of the University of Ottva Jonathan’s Geology.
The age of the samples is determined using two radioisotopic dating methods – based on Samaria and Neodim decay. Both gave the same results – 4.16 billion years.
These are very important interferences – breeds formed from magma, hardened deep underground. And the stones on which they are built -in can be older.
Researchers believe that these basalt forms are formed in the early stages of land existence -perhaps when raining from the main ocean falls into hot lava, it cools and contributes to the formation of a hard bark.
“Because part of these breeds is also formed from the rainfall of ancient sea water, they can light the composition and temperature of the early oceans and help to understand which life in the world environment may arise,” O’Neill added.
Prior to this, the most ancient race from the northwestern territory of Canada (4.03 billion years) and Zircon from Australia (4.4 billion years) were considered. But unlike the Zircons – microscopic crystals – breeds from Navvoagittuka are large fragments of the ancient bark, which maintains traces of the first geodynamic processes on the planet.
This discovery could provide new answers about the mysterious Hadeian Eon – the earliest geological period in the history of the world, which lasted from its development (4.5 billion years ago) to 4.03 billion years ago. It was then, perhaps, the moon was formed and the first hard shells of the planet appeared.
Earlier it was reported that in a rock slab in the Queensland school, they found one of the highest concentrations of traces of dinosaurs that were documented in Australia.
Under Turkey, they discovered a massive crust rest on the ground
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Source: korrespondent
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