Scientists uncover huge 1.8 million square kilometers reservoir of melting carbon under Western United States 

Scientists uncover huge 1.8 million square kilometers reservoir of melting carbon under Western United States — ScienceDaily

“”Under the western US is a huge underground partially-molten reservoir of liquid carbonate. It is a result of one of the tectonic plates of the Pacific Ocean forced underneath the western USA, undergoing partial melting thanks to gasses like CO2 and H2O contained in the minerals dissolved in it.”

As a result of this study, scientists now understand the amount of CO2 in Earth’s upper mantle may be up to 100 trillion metric tons. In comparison, the US Environmental Protection Agency estimates the global carbon emission in 2011 was nearly 10 billion metric tons — a tiny amount in comparison. The deep carbon reservoir discovered by Dr. Hier-Majumder will eventually make its way to the surface through volcanic eruptions, and contribute to climate change albeit very slowly.

“We might not think of the deep structure of Earth as linked to climate change above us, but this discovery not only has implications for subterranean mapping but also for our future atmosphere,” concluded Dr Hier-Majumder, “For example, releasing only 1% of this CO2 into the atmosphere will be the equivalent of burning 2.3 trillion barrels of oil. The existence of such deep reservoirs show how important is the role of deep Earth in the global carbon cycle.””

in 2017 only 3.5 billion barrels of oil were used. It would take more than 500 years to burn as much as 1% of this one liquid carbonate source. There are more sources.

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