basalt is used in building blocks

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Basalt | Definition, Properties, & Facts | Britannica

basalt, extrusive igneous (volcanic) rock that is low in silica content, dark in colour, and comparatively rich in iron and magnesium. Some basalts are quite glassy …

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Basalt: Igneous Rock

Basalt is used for a wide variety of purposes. It is most commonly crushed for use as an aggregate in construction projects. Crushed basalt is used for road base, concrete aggregate, asphalt pavement … See more

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What Is Basalt?

Basalt is the dark, heavy volcanic rock that makes up most of the world's oceanic crust. Some of it erupts on land, too, but to a first approximation, basalt is an oceanic rock. …

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11 Types of Stones Used in Construction

There are many types of stones used in construction. Stones with high compressive strength like basalt, granite, and sandstone are ideal for massive …