Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A sudden, violent
collapse ofrock under stress, especially in amine
Etymologies
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Examples
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On that day in May, earth tremors triggered a rockburst.
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Ten workers were killed and 23 were injured in a rockburst measuring 3,3 on the Richter scale.
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It said the seismic event triggered a rockburst in a gully on level 106 East Longwall some 3200m below surface about 10. 30pm.
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The bodies of 10 miners killed by the underground rockburst at the Hartebeestfontein gold mine in North-West had been brought to the surface by Tuesday night, but another eight miners were still missing, presumed dead.
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The seismic event triggered a rockburst in a gully on level 106
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Hartebeestfontein gold mine near Stilfontein with the death toll rising to ten and eight miners still missing after Monday night's underground rockburst.
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Avgold Limited spokesman Julian Gwillim said in a statement the rockburst was caused by a tremor, measuring 3,7 on the Richter scd five bodies had been brought to the surface and prototeams conducting the rescue operation two kilometres below the surface, spotted four bodies.
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A sizeable tremor at 10. 30am on Monday caused a rockburst in the mine's number four shaft about two kilometres below the surface, trapping a number of miners and killing others.
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Miners from all divisions of the Hartebeestfontein gold mine in the North-West assisted in operations to rescue colleagues in the tragedy which has claimed 13 lives since Monday when a tremor caused an underground rockburst.
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This brings to three the number of people killed in a rockburst on 111 level, 3400m below surface, following a seismic event.
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