rock burst

Apart from rock burst, there is water and natural gas.

These are all rock bursts in the coal mines there.

Had the Rocks burst into a roar about him the surprise would have been no more shocking.

The Enid began recording at about the same time as punk rock burst upon the scene.

The rock burst upward with a loud whirring noise.

A rock burst at the mine left nine workers trapped underground for several hours on January 23, 2007, although they were rescued with no injuries.

Clouds whipped around them, there was a horrible feeling of heaviness, and suddenly the rock burst into sunlight.

The huge rock burst under the Nautilus.

Rock bursts are a serious hazard; in South Africa, they kill roughly 20 miners each year.

Induced seismicity such as faulty methods of mining can trigger rock bursts.

Other causes of rock bursts are the presence of faults, dykes, or joints.

A moment later, a shower of rock burst toward them, revealing a connection to another chamber that had been concealed by the rockfall.

A rock burst is a spontaneous, violent fracture of rock that can occur in deep mines.

They were suffering rock bursts.

The likelihood of rock bursts occurring increases as depth of the mine increases.

Mining leaves voids that generally alter the balance of forces in the rock, many times causing rock bursts.

The explosion sent lava rock bursting across the channel, fragments raining down on the survey ship, but causing no casualties and little damage.

A Terrific rock Burst like Earthquake Occurred around 6.30 AM.

Now we can see the island rising vertically out of the ocean much like Australia's Ayers Rock bursts from the desert.

An seismic event in 1906 claimed to be an earthquake has been attributed to a rock burst, as the area has been significantly mined.

The effects of these stresses can be seen in deep mines (> 1 mile depth), where the sudden decompression creates rock bursts.

(Monroe and Wicander, 96) Rock bursts basically depend on the size and depth of the excavation.

The very rock burst in droplets of glassy slag splashing high in the air and even back into the war-car to pop against the metal.

With punk rock bursting onto the scene this is exactly what The Strays had become, a punk rock band.

After retreating to the hills, the nomads saw chunks of obsidian rock burst through the Earth's crust "like huge black birds" and fly 30 metres into the air.