A hidden shard of ancient crust has been detected where California’s San Andreas system collides with the Cascadia subduction zone, reshaping how I understand the tectonic engine of the West Coast.

Three huge tectonic plates meet at the Mendocino triple junction off the coast of northern California, and a new study ...

A tectonic plate that disappeared under North America millions of years ago still peeks out in central California and Mexico, new research finds. The Farallon oceanic plate was once nestled between ...

Structural geology is the discipline devoted to the study of rock deformation and the resulting features – such as folds, faults, joints and other discontinuities – that record the history of tectonic ...

Ancient plate tectonics in the Archean period differs from modern plate tectonics in the Phanerozoic period because of the higher mantle temperatures inside the early Earth, the thicker basaltic crust ...

New finding contradicts previous assumptions about the role of mobile plate tectonics in the development of life on Earth. Moreover, the data suggests that 'when we're looking for exoplanets that ...