Sentence examples for believed to form when from inspiring English sources

Other geologists, looking in other parts of the world, found small, glasslike spheres of the sort believed to form when molten-rock droplets splash up into the atmosphere.

Mesocyclones are believed to form when strong changes of wind speed and/or direction with height ("wind shear") sets parts of the lower part of the atmosphere spinning in invisible tube-like rolls.

These two copolymers are believed to form complexes with ON that have a micellar structure.

It is believed to form an interconnected network structure independent of the cellulose-xyloglucan network structure.

These carbon nanomaterials are believed to form conductive network around NiO/α-Ni(OH 2 flowers.

The enormous crystals are believed to have formed when gypsum-saturated groundwater flowed through the caves, and was heated and cooled by hot magma below.

The Eye is a massive crater believed to have been formed when a large meteorite struck the earth.

Arizona's Meteor Crater is believed to have formed about 50,000 years ago when a 50-meter asteroid smashed into the ground near what is now the city of Winslow.

Until roughly 545 million years ago, the rocks are rich in the mineral dolomite, which is believed to have formed in the oceans when oxygen levels were low, Hood says.

This hole is believed to have formed during the recent ice ages, when a submerged limestone cave system collapsed due to changes in the sea level.

Its religious traditions began in the 6th century, when St. Kenneth is believed to have formed a Celtic ecclesiastical community.