Tag Archive for 'Garnet'

Photograph of a garnet crystal with distinct tubular structures. Image credit: Ivarsson et al, doi: 10.1371/journal.pone.0200351.

Tunnel-Like Networks in Garnet Crystals Might Be Due to Endolithic Microorganisms

Aug 9, 2018 by News Staff

According to new research led by the University of Southern Denmark, tubular structures found inside garnets (pyrope and almandine) from Thailand are most...

Diamonds with garnet inclusions (like the one shown here) can form at depths down to 342 miles below the Earth’s surface. Image credit: Jeff W. Harris, University of Glasgow.

Geologists Find Highly Oxidized Iron in Earth’s Deep Mantle

Jan 24, 2018 by News Staff

An international team of geologists has found highly oxidized iron, similar to the rust we see on the Earth’s surface, in diamond’s garnet inclusions...

An artist’s rendition of interior compositions of planets around Kepler-102 and Kepler-407. The picture shows what minerals are likely to occur several different depths. An exoplanet in orbit around Kepler-102 is Earth-like, dominated by olivine minerals, whereas a planet around Kepler-407 is dominated by garnet, so less likely to have plate tectonics. Image credit: Robin Dienel / Carnegie Institution.

Garnet Exoplanets Exist, But Can They Be Habitable?

Jan 11, 2017 by News Staff

Astronomers and geoscientists from the United States and Brazil have joined forces to study the mix of major rock-building elements in exoplanet-hosting...