open rock

open rock

[′ō·pən ¦räk]
(geology)
Any stratum sufficiently open or porous to contain a significant amount of water or to convey water along its bed.
References in periodicals archive ?
Fracking is the common term for hydraulic fracturing, the technique of injecting sand, water and chemicals underground to crack open rock formations holding natural gas and oil.
ISLAMABAD -- NUST University earned victories in the Male open competitions of the Open Rock Climbing Competition organized by The Adventure Club Pakistan at two different venues to mark the International Mountain Day.
And no band did more than the Velvet Underground to open rock music to the avant-garde - to experimental theatre, art, literature and film, to William Burroughs and Kurt Weill, to John Cage and Andy Warhol, Reed's early patron.
No band did more than the Velvet Underground to open rock music to experimental theatre, art, literature and film.
The exploration for shale energy in France is banned because of concerns about pollution from water and chemicals used to crack open rock and other effects on the environment.
In that treatise, wherein lost Hebrew tribes are 'proven' to have occupied Tennessee, Haywood catalogued six open rock art sites in Tennessee and one site each in Alabama and North Carolina.
Shale gas is produced by injecting wells with highly pressurised water and chemicals (fracking) to crack open rock to release the fuel.
Hydraulic fracturing involves the injection of a mixture of water, sand and assorted chemicals - often including diesel fuel, benzene, methanol and formaldehyde - at high pressure into underground wells, cracking open rock formations and releasing the gas they contain.
The two chemicals being tested are both used on oil rigs, one to thicken seawater to force open rock formations and the other to condense acid used to dissolve rocks.
So far, Ganguli has tested the idea with two chemicals used on oil rigs-one used to thicken seawater to force open rock formations and the other to firm up acid used to dissolve rocks.
The first site (South Fork) is an open rock talus along a riverbed at an elevation of 1,575 m (31[degrees]51'41.
Thomson's climbs ventured out on to the great open rock faces of Snowdonia and were of a severity that caused him to be ranked foremost among the climbers of his day.