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The Alum Shale, here an example of a coastal deposit, consists of quartz and potassium Feldspar clasts as well as conspicuous Pyrite crystals (here: white) embedded in a clayey matrix. Scanning electron micrograph (scale: lower image edge length corresponds to approx. 40 μm). Credit: Schulz, GFZ

A rock with many perspectives

This study site was used by researchers to examine a portion of the Oman–United Arab Emirates ophiolite’s metamorphic sole. Credit: Tyler Ambrose

A closer look at the creation of a metamorphic sole

The team's experiments compared carbon's compatibility with the silicates that comprise the Earth's mantle (outer circle) to its compatibility with the iron that comprises the planet's core (inner circle) while under conditions mimicking the Earth's interior during its formative period. They found that more carbon would have stayed in the mantle than previously thought. Credit: Rebecca Fischer, Elizabeth Cottrell and Marion Le Voyer, Kanani Lee, and the late Erik Hauri.

Most of Earth’s carbon was hidden in the core during its...

Photomicrographs showing anorthosites with 'correct' and 'wrong' proportions of chromite from the Bushveld Complex, South Africa. Credit: Wits University

Researchers unravel the mystery of non-cotectic magmatic rocks

Left: This is a digitalized 3D natural rock, Center: Spheres cloud representing pore topological features, Right: Persistence diagram.

Novel method for investigating pore geometry in rocks

Researcher unearths hottest rock on record

For under-Earth exploration, engineers deepen understanding of rock stress

Hundred-year-old law on fluid flow overturned by new research

How X-rays helped to solve mystery of floating rocks

Rock samples indicate water is key ingredient for crust formation

Earth Sciences student research on metamorphic rock in North China

Between a rock and a hard place: Biologists unearth sandstone-excavating bees

Amazing Agate Photos

Mars Rover Views Spectacular Layered Rock Formations

Scientists study how to print rocks in 3-D

Oldest rocks in Australia unlock secrets of the atmosphere

Turning CO2 into rock

Studying life on the rocks

Methane-producing microbes in California rocks

Barium leaches directly from fracked rocks

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