Latest Matthew Jackson Stories
New research from Matthew Jackson and Richard Carlson proposes that the remnants of six of the largest volcanic events of the past 250 million years contain traces of the ancient Earth's primitive mantleâ€”which existed before the largely differentiated mantle of todayâ€”offering clues to the geochemical history of the planet.
Researchers discover evidence for the oldest Earth mantle reservoir on Baffin Island.
- Stoppage; cessation (of labor).
- A standing still or idling (of mills, factories, etc.).