Results for: Basalt

What is the hardness of basalt?

On the Moh's hardness scale, basalt has a hardness of 8. Anything  between 5-10 is considered hard. Materials on the scale between 1-3  are considered soft, and anything rat (MORE)
In Geology

How is basalt mined?

Basalt is frequently mined in a surface mine, or quarry. The majority of basalt is used a aggregate (gravel) in making concrete and asphalt paving. Typically, boreholes are dr (MORE)
In Geology

What is basalt?

basalt underlines more of earth surface than any other rock type . most areas within earth's ocean are under lain basalt . although basalt is much uncommon on continents, lava (MORE)

What are the uses of basalt?

Basalt is used for floor tiles and aggregate in roads and asphalt. As well as comprising super to ultra fine composite materials.
Thanks for the feedback!
In Geology

Color of basalt?

Usually grey or sometimes brown, depending o the iron content. It can also be black.
Thanks for the feedback!
In Geology

What is the texture of basalt?

Basalt is said to have an aphanitic or fine-grained texture, made up of mineral crystals that cannot be seen without magnification.
Thanks for the feedback!
In Geology

What colour is basalt?

Fresh basalt is black or dark grey, however when weathered it can become a brown or brownish green colour.

What is the weight of basalt?

  Answer   Basalt is three times heavier than water. A cubic foot of basalt weighs approximately 188 pounds.
Thanks for the feedback!
In Geology

How does basalt form?

The rock basalt forms from the cooling and solidification of basaltic magma which is relatively high in iron and magnesium and relatively low in aluminum and silica when compa (MORE)