Basalt contains nutrients, including calcium, magnesium, manganese, iron, potassium and copper. Research is being done on its benefits to farmland.
Basalt is a dark-colored, dense igneous rock formed from solidified lava. It has been used to make concrete and asphalt aggregates due to its hardiness and durability. In recent years, an interest has developed in using basalt as a soil amendment for agriculture.
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