Sentences with phrase «other volcanic debris»

Then it vaporised, rising with other volcanic debris to an altitude of up to 20 kilometres.

Not exact matches

Modern scientists identify and measure past eruptions using layers of volcanic debris found in ice cores, lake sediments, and other undisturbed soils.

More than 2000 times as massive as the blast that ripped open Mount St. Helens in 1980, the Indonesian «super-volcano» Toba ejected millions of metric tons of volcanic ash, sulfur, and other debris into the atmosphere 74,000 years ago.

Some may be the result of ancient volcanic activity but others may be made of debris from meteoric impacts.