Science, Space and Technology News 2024
A research team led by SMU discovered ancient rocks and fossils in Angola that provide the most complete geological record of the splitting of South America and Africa and the formation of the South Atlantic Ocean. These findings, dating back 130 to 71 million years, offer a unique view of the continents’ separation, with Angola’s coast showcasing each phase of this significant geological event.
The research team says the southern coast of Angola, where they dug up the samples, arguably provides the most complete geological record ever recorded on land of the two continents moving apart and the opening of the South Atlantic Ocean. Rocks and fossils found date back from 130 million years ago to 71 million years.
Scientists have previously found evidence of these events through geophysics and well cores drilled through the ocean floor. “It’s one thing for a geophysicist to be able to look at seismic data and make inferences from that,” he said. “It’s quite another thing to be able to take a school field trip out to the rock formations, or outcrops, and say this is when the lava was spreading from eastern South America. Or this was when it was a continuous land.”
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