Analysis of an ancient meteorite from Mars suggests that the mineral zircon may be abundant on the surface of the red planet. By determining the age and hafnium isotope composition of zircons, researchers from the University of Copenhagen have shown that a population of these crystals were sourced from the deep interior […]

Oblique view of Gale Crater, Mars, with vertical exaggeration. The image combines elevation data from the High Resolution Stereo Camera on the European Space Agency’s Mars Express orbiter, image data from the Context Camera on NASA’s Mars Reconnaissance Orbiter, and color information from Viking Orbiter imagery. Credit: NASA/JPL-Caltech/ESA/DLR/FU Berlin/MSSS Field […]

Petrovite. Credit: SPbU For more than 40 years, Stanislav Filatov, Professor at St Petersburg University, together with colleagues from other research institutions in Russia, has been studying the mineralogy of scoria cones and lava flows of fumaroles in Kamchatka. They were formed after two major eruptions of Tolbachik Volcano — […]

The largely featureless surface of the Greenland ice sheet, as seen from the window of a P3 aircraft carrying geophysical instruments aimed at detecting geologic features underneath. Credit: Kirsty Tinto/Lamont-Doherty Earth Observatory Inaccessible for now, unique site may hold secrets of past. Scientists have detected what they say are the […]

Lava flowing across black rocks. International research led by geologists from Curtin University has found that a volcanic province in the Indian Ocean was the world’s most continuously active — erupting for 30 million years — fueled by a constantly moving ‘conveyor belt’ of magma. It’s believed this magma ‘conveyor […]

Physical map of the Serra da Cangalha, Brazil, impact structure, produced using the TanDEM-X mission digital elevation model. Credit: Gottwald, Kenkmann, Reimold: Terrestrial Impact Structures, The TanDEM-X Atlas, Verlag Dr. Friedrich Pfeil Prof. Dr. Thomas Kenkmann, geologist from the University of Freiburg’s Institute of Earth and Environmental Sciences, together with […]

Yuki Haneda (left, top) and colleagues collected samples from the Chiba composite section, a continuous and expanded marine succession in Central Japan. Credit: NIPR/AIST/Ibaraki University Earth’s magnetic fields typically switch every 200 to 300 millennia. Yet, the planet has remained steady for more than twice that now, with the last […]

Scanning electron microscope image of the new mineral, Donwilhelmsite, in the lunar meteorite Oued Awlitis 001. Credit: © Museum für Naturkunde Berlin, Ansgar Greshake Donwilhelmsite is important for understanding the inner structure of the earth. A team of European researchers discovered a new high-pressure mineral in the lunar meteorite Oued […]

Cathodoluminescence image of Zircon crystals from Nevado de Toluca volcano in Mexico. Credit: UNIGE/WEBER A new method shows that it’s now possible to estimate the volume of magma stored below volcanoes providing essential information about the potential size of future eruptions. Most active volcanoes on Earth are dormant, meaning that […]