| 41. | The Philippine Institute of Volcanology and Seismology said they recorded the vigorous ejection of molten rocks.
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| 42. | They pounded away at the mounds of molten rock with sledgehammers and cooked on the still-sizzling lava.
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| 43. | The water is heated by magma, or molten rock, that lies about five miles below the surface.
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| 44. | Steam is caused by rain or ground water falling on magma, which is molten rock, Dolan said.
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| 45. | Spirals of smoke rose from the runway, which was strewn with smoldering wooden debris and molten rocks.
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| 46. | Either mountain building or upheavals of semi-molten rock inside the earth had periodically made the earth unstable.
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| 47. | The presence of tuff, about 60 million years ago when molten rock punched its way through chalk.
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| 48. | Scientists say that the injection of molten rock was equivalent to 20 years worth of regular activity.
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| 49. | The Earth's moving, cracked crust is formed by plates that float on a pool of molten rock.
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| 50. | That's a sign to scientists that molten rock may be moving upward with little or no resistance.
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