Microcrystals of coesite and stishovite were discovered as inclusions in amorphous silica grains in shocked melt pockets of a lunar meteorite Asuka-881757 by micro-Raman spectrometry, scanning ...
One of the main achievements in the Earth science is the development of plate tectonics theory in the 20 th century. It successfully explains the generation and extinction of oceanic plate from ...
A simulated visual representation of the structural transition from coesite to post-stishovite. The silicon atoms (blue spheres) surrounded by four oxygen atoms (red spheres) are shown as blue ...
Eclogite xenoliths from kimberlite have long been considered as products of crystallization of basaltic magmas within the upper mantle, and the Ca/(Ca + Mg) and Fe/(Fe + Mg) values of garnets in some ...
We are at a critical time and supporting climate journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen environmental ...
Frontiers of ultrahigh-pressure metamorphism: view from field and laboratory / Larissa F. Dobrzhinetskaya and Shah Wali Faryad -- Part I. Diamonds--new studies -- Diamond--lonsdaleite--graphite ...
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In early April, when recounting a research project he had started 36 years ago to reconstruct the movements of large blocks in parts of Brazil’s Northeast and Midwest around 600 million years ago, ...
Examining how plates move in Earth's mantle and how mountains form is no easy feat. Certain rocks that have sunk deep into Earth's interior and then returned from there can deliver answers. Examining ...
The article details five notable impact craters on Earth: Meteor Crater (Arizona, USA), Chicxulub (Yucatán, Mexico), Vredefort (South Africa), Tnorala (Gosses Bluff, Australia), and Nördlinger Ries ...
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