From the early Earth to the modern plate-tectonic Earth, the amount of magmatism has varied, but it has always occurred on multiple scales, in various tectonic environments and at various depths ...

The trachybasalt represents early magmatic processes in a carbonaceous ... Article #19-19550: "Alkali magmatism on a carbonaceous chondrite planetesimal," by Jérôme Aléon et al.

Early marine arthropods called trilobites disappeared ... that no one could say for certain which happened first. “For magmatism to be a plausible trigger, we must be able to assert outside ...

Lunar igneous activities including intrusive and extrusive magmatism, and their products ... and returned to the Earth on June 25 carrying a total of 1935.3g of lunar soils. It is the world's ...

A team of scientists has observed past episodic intraplate magmatism and corroborated the ... Samer Naif made an unexpected discovery in Earth's mantle: a narrow pocket, proposed to be filled ...

Talat Ahmad, chairman, Research Advisory Council, National Centre for Earth Science Studies (NCESS ... after inaugurating a conference on ‘Magmatism, Metamorphism, and Metallogeny: Focus ...