Cratonic lithosphere with a high-density root undergoes delamination when perturbed by mantle plumes from beneath. The removed cratonic root then thermally grows back, with its rock fabrics preserving recent mantle deformation.

Continental interiors may not be as tectonically stable as geologists think

Rhynia gwynne-vaughanii -- 400 million-year-old fossil plant stem from Aberdeenshire, Scotland.

Plants colonized Earth 100 million years earlier than previously thought

seismogram

Earthquakes follow wastewater disposal patterns in southern Kansas

This schematic illustration of the 2014 Iquique earthquake off the coast of Chile (magnitude 8.1) shows the locations of foreshocks (blue) and aftershocks (red) relative to the area of large slip on the fault (contour lines).

Analysis of major earthquakes supports stress reduction assumptions

The oceanic slow carbon cycle.

How seafloor weathering drives the slow carbon cycle

Aerial view of Villarica volcano.

Scientists eavesdrop on volcanic rumblings to forecast eruptions

The fossil Waptia from the Burgess Shale, Canada

Soft tissue fossil clues could help search for ancient life on...

Footprints of mammoths, dated to 43,000 years ago, are seen in a portion of a trackway that was uncovered by researchers in 2017 in an ancient dry lake bed in Lake County, Oregon.

Ancient trail of Columbian mammoths uncovered in south-central Oregon

When it comes to extinction, body size matters

This is seismic reflection data.

Tiny fossils, huge slides: Are diatoms the key to Earth’s biggest...

1...201202203...686Page 202 of 686