Sentences with phrase «rock fractures»

Polarized light allowed subsurface stress patterns that would result in rock fracturing in nature to be observed as the dyke grew.

He also found cells of D. audaxviator, a bacterium that made up 99.9 % of the organisms he recovered from one of the filters used to extract water from rock fractures deep in the mines.

Opponents of the tests have warned that potentially harmful radioisotopes, especially caesium - 137, strontium - 90 and plutonium isotopes, will leach from rocks fractured by the blasts.

«This study showed that intrinsic colloids formed by interactions between soluble Cerium (Ce) and carbonates significantly increase the mobility of Ce injected into a carbonate rock fracture,» explains BGU Zuckerberg Institute for Water Research Director Prof. Noam Weisbrod, Ph.D. «The formation of intrinsic colloids, if not accounted for, could result in the under prediction of radionuclide migration through fractures in fine - grained carbonate bedrock, such as chalk.»

But internal features of the slide, exposed in outcrops, yielded evidence such as jigsaw puzzle rock fractures and shear zones, along with the pseudotachylytes.

Furthermore, scientists estimated the amount of helium released by the rocks through rock fracture experiments in the laboratory using rock samples that were collected from around the earthquake region.

Eleven years ago, while studying the microbes that live in water - filled rock fractures in South African gold mines, geomicrobiologist Tullis Onstott of Princeton University noticed wormlike organisms living in cultures taken from 1.3 kilometers below the surface.

Fracking (hydraulic fracturing) rock fracturing with pressurized liquid creating cracks in deep - rock formations through which shale gas, oil, tight gas and brine will flow more freely... major part of the Golden Age of Gas

A team of scientists, led by the University of Toronto's Barbara Sherwood Lollar, has mapped the location of hydrogen - rich waters found trapped kilometres beneath Earth's surface in rock fractures in Canada, South Africa and Scandinavia.

When any two plates grind against each and get stuck, enormous stress builds up until the rocks fracture and the fault rips apart in a giant earthquake.

These new experiments demonstrated that the rocks fracture when they cool about 90 to 140?

Residents of nearby Anderson Springs often feel tremors as small as magnitude 2.0 because the town sits only a couple of kilometers above the rock fractures.

Now Belgian biologist Gaetan Borgonie has discovered a new species of nematode in a rock fracture nearly a mile underground, where no other animal has ever been found.

«After careful analysis and calculations, we concluded that the levels of helium - 4 had increased in samples that were collected near the epicenter due to the gas released by the rock fractures,» says lead author Yuji Sano, a professor at the University of Tokyo's Atmosphere Ocean Research Institute.

So argon levels in the water help establish how long it has been sitting in the rock fractures, isolated from the rest of the world.

NASA's Curiosity rover finds calcium deposits on Mars similar to those seen on Earth when water circulates in cracks and rock fractures.