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I read this article this morning in Google News. I thought your readers might find this interesting. The author of the article is somewhat ignorant about geology, which is why I included a number of links for further reading.

Scientists turn CO2 to stone in just two years: a solution for climate change? (+video)

Researchers at the world’s largest geothermal power plant have found a way to store carbon dioxide underground and turn it to rock.

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As it happens to be there are very large basalt deposits in the US, India, and Siberia. In the US these are found in the central and eastern part of the state of Washington. These basalts are up to 2 miles thick in places. RDS drilled through them in the mid – 1980’s looking for oil and gas. There are also massive basalt deposits in the Snake River plain of Idaho. Basalts in the Snake River plain may be up to 5 miles in thickness. Here are some references :

Columbia River Basalt Group – Wikipedia, the free encyclopedia

https://en.wikipedia.org/wiki/Columbia_River_Basalt_Group

Wikipedia

The Columbia River Basalt Group is a large igneous province that lies across parts of the Western United States. It is found in the U.S. states of Washington, ..

Snake River Plain

imnh.isu.edu/digitalatlas/geo/snkrvpln/snkrvpln.htm

CLICK below to explore Snake River Plain geophysical data: * Basalt Thickness … The Snake River Plain is a prominent depression across southern Idaho …

In India there are the Deccan basalt flows which are quite extensive :

Deccan Traps – Wikipedia, the free encyclopedia

https://en.wikipedia.org/wiki/Deccan_Traps

Wikipedia

The Deccan Traps shown as dark purple spot on the geologic map of India. The Deccan Traps are a large igneous province located on the Deccan Plateau of west-central … The original area covered by the lava flows is estimated to have been as large as 1.5 million km², approximately half the size of modern India.

This article is about the Siberia Traps, which are up to two miles in thickness:

Siberian Traps – Wikipedia, the free encyclopedia

https://en.wikipedia.org/wiki/Siberian_Traps

Wikipedia

The Siberian Traps form a large region of volcanic rock, known as a large igneous province, in Siberia, Russia. The massive eruptive event which formed the .

This article lists some of the volcanic provinces with large basalt deposits.

Flood basalt – Wikipedia, the free encyclopedia

https://en.wikipedia.org/wiki/Flood_basalt

Wikipedia

A flood basalt is the result of a giant volcanic eruption or series of eruptions that coats large stretches of land or the ocean floor with basalt lava. Flood basalt provinces such as the Deccan Traps of India are often called … Moses Coulee in the US showing multiple flood basalt flows of the Columbia River Basalt Group.

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