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Jan. 12, 2021 — Researchers have used ancient crystals from eroded rocks found in stream sediments in Greenland to successfully test the theory that portions of Earth's ancient crust acted as 'seeds' ...
Aug. 24, 2022 — New research has found evidence that Earth's early continents resulted from being hit by comets as our Solar System passed into and out of the spiral arms of the Milky Way Galaxy, turning ...
Apr. 23, 2021 — An unusual belt of igneous rocks stretches for over 2,000 miles from British Columbia, Canada, to Sonora, Mexico, running through Idaho, Montana, Nevada, southeast California and ...
Aug. 4, 2021 — Sand and mud subducted off the coast of California around 75 million years ago returned to the Earth's crust by rising up through the mantle as enormous diapirs, like blobs in a lava lamp, new ...
Apr. 28, 2022 — Scientists show that remnants of the roots of Earth's first crust are still present in the terrestrial mantle and contribute to magmas erupted at the surface over Earth's ...
Sep. 22, 2022 — The traditional hypothesis about totally molten magma chambers (key to volcanic activity) may just be correct, despite some recent studies claiming otherwise. Wits researchers have compelling ...
Jan. 31, 2022 — Scientists have identified a mechanism through which important metals, crucial to the manufacturing of renewable energy technologies, are passed from the Earth's mantle to the ...
Feb. 11, 2021 — The songs of fin whales can be used for seismic imaging of the oceanic crust, providing scientists a novel alternative to conventional ...
Mar. 9, 2022 — Earth's thin crust softens considerably when it dives down into the Earth attached to a tectonic plate. That is demonstrated by X-ray studies carried out on a mineral which occurs in large ...
June 12, 2023 — The seemingly stable regions of the Earth's continental plates -- the so-called stable cratons -- have suffered repetitive deformation below their crust since their formation in the remote past, ...
