Sentence examples for certain types of rocks from inspiring English sources

As it falls on certain types of rocks, they break down or "weather," and the interaction eventually leads to the formation of a carbonate — such as limestone — with the carbon locked inside.

The University of California Museum of Paleontology– experts will be on hand to help you identify fossils, and may even be able to identify certain types of rocks and minerals.

The crater is thought to contain certain types of rocks that haven't been analyzed before and might provide more clues to Mars' early atmospheric conditions.

Magnetic surveys make use of the magnetic properties of certain types of rock that, when close to the surface, affect the Earth's normal magnetic field.

Certain types of rock, if exposed to high heat and heavy rain, undergo chemical reactions and effectively absorb carbon dioxide, a process known as silicate weathering.

"If you are storing CO2 and your only purpose is storage, then you're looking for a package of certain types of rock," Sallie Greenberg, the associate director for energy, research, and development at the Illinois State Geological Survey, told me.

The drill bits also wear out frequently and, in certain types of rock, it may only be possible to drill for 100 feet before you need a new bit.

Experts said this type of cement can form a stronger bond in certain types of rock, but is also more difficult to use than standard cement, requiring great care in mixing and application.

An increasing number of researchers believe that life could have first got going in the tiny cracks of underground rocks, fuelled not by the energy of sunlight but by chemical fuel in the form of hydrogen and methane which can be produced in certain types of rock under high temperatures and pressures.

"Flint" is one variety of chert, but it is categorized in many different ways.[10] For instance, some people may refer to any black chert as flint, while others may only call it flint if it has a certain luster or was found among certain types of rock.

So at first, Tertiary referred to a certain type of rock found in the area of Tuscany.