Limestone and gravel each have numerous applications, and both can be used for pathways, but here is what you should know about the difference between them.

On Wilbourne Farm in Virginia, a carbon-removal experiment is underway. First a tractor sprays nearly 20 tonnes of gray crushed basalt over one field. Then the farmer makes several more passes ...

Gavi Welbel holds crushed basalt rock in her hand on her family's farm in eastern Illinois. The rock could replace limestone and help reduce agricultural emissions of carbon into the atmosphere.

Sedimentary stone such as sandstone and limestone is created by the hardening of sediment layers. Igneous rock like basalt and granite is formed from hot, molten material that cools and becomes ...

After two years, core samples of the rocks were drilled, showing a limestone-like carbonate mineral formed from the carbon dioxide was filling in holes in the basalt. “We proved it. We did it.

More information: Carbon Storage in Basalt, Science 25 April 2014: Vol. 344 no. 6182 pp. 373-374. DOI: 10.1126/science.1250828 Abstract ...