PBS8y
Deep Time
As its name implies, this includes all of geological time prior to the Cambrian period. Hadean Era (4,550-3,850 mya) The Precambrian's oldest era, the Hadean, predates most of the geologic record.
Live Science on MSN5mon
Plate tectonics fired up at least 3 billion years ago, study of ancient rocks in Australia indicates
Some scientists argue plate tectonics started in the Hadean, over 4 billion years ago ... data to connect buried features ...
Scientific American1mon
Could Plate Tectonics Crack Open Earth’s Deepest Mystery?
A Hadean start to plate tectonics is an intriguing ... But it shows the diversity of planetary geology that could lurk elsewhere in the cosmos. "In the end, understanding what causes tectonics ...
Hosted on MSN1mon
Did plate tectonics give rise to life? Groundbreaking new research could crack Earth's deepest mystery.
A Hadean start to plate tectonics is an intriguing ... But it shows the diversity of planetary geology that could lurk elsewhere in the cosmos. "In the end, understanding what causes tectonics ...