Sentence examples for depth of roughly from inspiring English sources

The low-velocity layer begins about 50 to 150 km (30 to 90 miles) below the surface and extends to a depth of roughly 300 km (180 miles).

The boundary between the inner and outer core, which occurs at a depth of roughly 5,100 km (about 3,200 miles), is known as the Lehmann discontinuity.

Beyond shallow waters, the survey will use diving robots to explore reefs at a depth of roughly 100 to 225 feet, where little research has been conducted.

At the Millennium, the tar sands start at a depth of roughly a hundred feet and extend down in a more or less continuous layer, known as the "feed," for about a hundred and fifty feet.

At the start of the last ice age, 2.6 million years ago, a sheet of frozen water formed atop North America that kept expanding and thickening until it reached a maximum depth of roughly two miles.

They reach a maximum depth of roughly 650 feet, though they can be configured to go deeper; that is relatively shallow for most of the ocean, but more than deep enough for continental shelves, which are on average 460 feet below sea level and can extend from a few thousand feet to hundreds of miles offshore.

Below depths of roughly 1,650 feet (500 metres), methane hydrates can occur as stable deposits in sediments of the ocean floor up to hundreds of feet thick.

Manhattan is not an ideal location for geothermal heat pump systems, because the wells must go so deep — to depths of roughly 1,500 feet — to reach the volume of land necessary to provide a constant temperature.

Some of the world's deepest hydrothermal vents occur at depths of roughly 5 km (3.1 miles) in the Cayman Trench, a submarine depression on the floor of the western Caribbean Sea.

A marked increase in salinity, up to 21 parts per thousand, occurs at depths of roughly 160 to 500 feet (50 to 150 metres), below which the salinity increase is much more gradual.

This study confirms the overall low shear-wave velocities in the upper 200 km of the mantle found in other Rayleigh wave studies, and the presence of a positive shear-wave velocity anomaly at depths of roughly 80 160 km beneath the central gulf (Zhang et al., 2009).