33. An extrusive igneous rock with a fine grained-texture, low silica content and dark color is A. calcite B. limestone C. basal

Question

4 years ago

10

t D. shale E. schist

1 answer:

salantis [7] · Answer 1 · 2022-01-11T18:10:42+03:00

Answer:

C. basalt

Explanation:

Basalt -

It is a type of mafic extrusive igneous rock which is composed of magnesium and iron lava , is called as a basalt .

Around 90% of the rocks of the Volcanoes are made up of Basalt .

The texture of this Basalt is , finely grained , because , the rocks are found by rapid cooling .

The viscosity of Basalt is low , due to its low content in silica .