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Basalte

A Blog about the Basalt rock, its properties and processing features and use in our life.

Volcanic Rock Basalt

Basalt is an aphanitic extrusive igneous rock formed from the rapid cooling of low-viscosity lava rich in magnesium and iron (mafic lava) exposed at or very near the surface of a rocky planet or moon. More than 90% of all volcanic rock on Earth is basalt.

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Structure

Basalt is composed mostly of oxides of silicon, iron, magnesium, potassium, aluminum, titanium, and calcium.

Types

On Earth, most basalt forms by decompression melting of the mantle. The high pressure in the upper mantle (due to the weight of the overlying rock) raises the melting point of mantle rock, so that almost all of the upper mantle is solid. However, mantle rock is ductile (the solid rock slowly deforms under high stress). When tectonic forces cause hot mantle rock to creep upwards, the decrease of the pressure on the ascending rock can cause its melting point to drop enough for the rock to partially melt. This produces basaltic magma.

Uses​

Basalt is used in construction (e.g. as building blocks or in the groundwork), making cobblestones (from columnar basalt)[128] and in making statues. Heating and extruding basalt yields stone wool, which has potential to be an excellent thermal insulator.
Carbon sequestration in basalt has been studied as a means of removing carbon dioxide, produced by human industrialization, from the atmosphere. Underwater basalt deposits, scattered in seas around the globe, have the added benefit of the water serving as a barrier to the re-release of CO2 into the atmosphere.

Basalt fiber

Basalt fibers are produced from basalt rocks by melting them and converting the melt into fibers. Basalts are rocks of igneous origin. The main energy consumption for the preparation of basalt raw materials to produce of fibers is made in natural conditions. Basalt fibers are classified into 3 types: Basalt continuous fibers (BCF), used for the production of reinforcing materials and composite products, fabrics, and non-woven materials; Basalt staple fibers, for the production of thermal insulation materials; and Basalt superthin fibers (BSTF), for the production of high quality heat- and sound-insulating and fireproof materials.

A Light Wind Swept Over The Corn, And All Nature Laughed In The Sunshine.​

Life on basaltic rocks

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Look Deep Into Nature​

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Just Living Is Not Enough​

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Adopt The Pace Of Nature​

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