Sentence examples for hard rocks from inspiring English sources

Their uses are being based on their hardness and stability as they often behave like hard rocks in civil engineering projects.

"They are small, hard rocks.

Hard rocks or archaeological sites can also present obstacles.

The performance of roadheaders in cutting hard rocks can be improved using high-pressure waterjet technology.

Thermal spallation drilling is a promising technology expected to exploit hydrocarbons in hard rocks.

The correlation coefficient ranges between 0.73 and 0.80 (depending on the data set) for hard rocks.

Independent oil companies found ways to fracture hard rocks to produce oil, nearly doubling domestic production.

Tribal leaders say that figure will probably go up after the Hard Rocks open in April.

There's a reference to "big rocks, little rocks, hard rocks, soft rocks".

The deep shale, limestone and other hard rocks had potential, but for years they had not been considered economically viable.

Weak sandstones possess deformational behavior different from hard rocks; these phenomena include shear dilation and softening of the deformational moduli.