Sentences with phrase «for large igneous provinces»

«Our work offers new tools to constrain the physical and chemical conditions in the mantle responsible for large igneous provinces,» Brown said.

Not exact matches

Based on the volcanic record in and around Iceland over the last 56 million years and numerical modeling, Brown and Lesher show that high mantle temperatures are essential for generating the large magma volumes that gave rise to the North Atlantic large igneous provinces bordering Greenland and northern Europe.

At the time when these eruptions took place, 717 million years ago, the Franklin large igneous province was near the equator, making it easier for the sulfur dioxide plumes to reach, and cross, the stratosphere and the troposphere.

In Earth's past the trigger for these greenhouse gas emissions was often unusually massive volcanic eruptions known as «Large Igneous Provinces,» with knock - on effects that included huge releases of CO2 and methane from organic - rich sediments.