Sentence examples for formed mainly of from inspiring English sources

All mid-ocean ridges are formed mainly of basalt, the liquid form of which directly underlies the solid rock of the sea floor.

These hills are formed mainly of ancient crystalline shales and sedimentary rocks on their flanks and of hard, very ancient rocks with granitic intrusions in their core.

The bottom is formed mainly of failed states, poor African countries and nations that either were once communist (Turkmenistan) or are still run along similar lines (Venezuela, Cuba).

The first plateau, which lies at a height of between 2,700 and 3,000 feet (800 and 900 metres) above sea level, is formed mainly of crystalline rock.

The line separates the basaltic volcanic islands of the central and eastern Pacific from the islands of the broad western Pacific margin, which are formed mainly of metamorphosed rocks, sediment, and andesitic volcanic material.

This kind of slag is formed mainly of SiO2 and CaO, followed by Al2O3 and MnO which sum is nearly 90%.

Transmission electron microscopy (TEM) observation reveals that the AgNPs thus formed mainly consist of small nanoparticles about 5 nm in diameter.

We showed that patterns of mouse DNA hydrolysis were formed mainly by products of LINE1 repeats and γ-satellite DNA cleavage.

The ceramic matrix is formed mainly with particles of micron size, which are distorted due to annealing and pressure.

HS are formed mainly by bio-degradation of plants by the process of humification.

The Royal Collection has been formed mainly since the time of Charles II in the mid-17th century.