Did 99% of creatures go extinct, billions of years before the dinosaurs?

You would know that all the dinosaurs were extinct 65 million years ago because of the massive extinction event. You are also likely to know that we have found evidence for at least four other events in the past. They suggest that something similar might have happened 2 billion years ago

Researchers from Stanford University

Researchers from Stanford University have discovered evidence of the oldest natural disaster in our planet's history. Single cell organisms are likely to have existed two billion years ago. According to sources from ancient rocks, it seems that 99% of all living things on earth have been killed in a far greater catastrophe than the one that killed the dinosaurs

The biggest natural disaster

'It shows what is considered the greatest natural disaster, though the earth's biology is filled with microorganisms. This may have been unreported in archaeological sites, ”says geologist Maycolm Hotchkiss of Stanford University

Feast and famine

Known by researchers as 'feast and famine', this phenomenon took place long before complex organisms appeared on Earth. 2.4 billion years ago, most of the oxygen in the Earth's atmosphere was low  it was consumed by minerals or oceans

Cayanopaktiriya

This led to the development of cyanobacteria, which are small marine organisms capable of photosynthesis. These bacteria develop in the sunlight and begin to produce oxygen and send it to the atmosphere. Researchers say this period is a feast because these bacteria help organisms to thrive. Then Avilatha suddenly came to an end

They explored the mineral called Barite

To understand why this happened, Stanford researchers examined the mineral barite found in the islands of Canada. Since the land there has been largely uninhabited for billions of years, this may help them to determine how much oxygen has been present throughout our planet's history

About 2.05 billion years ago

In examining these rocks, it was found that about 2.05 billion years ago, oxygen production was rapidly declining by about 200 times. "This fall caused a huge reduction in the amount of nutrients supplied to the biosphere, leading to the end of life and the 1 billion-year gap in comparison to modern Earth levels," the researchers said.



If they are right, this deadly event will be one of the most pronounced changes in the history of our planet