The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...
Scientists have demonstrated that a new geochemical archive -- 182-Tungsten in banded iron formations -- can be used to simultaneously trace both the evolution of the Earth's mantle and continents ...
HOUSTON – (May 25, 2023) – Visually striking layers of burnt orange, yellow, silver, brown and blue-tinged black are characteristic of banded iron formations, sedimentary rocks that may have prompted ...
A Banded Iron-Formation (BIF) with bands of iron-oxide (black) and quartz (white) that were deposited at the seafloor some 2700 million years ago. Disclaimer: AAAS and EurekAlert! are not responsible ...
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