Like fortune tellers who peer into a crystal ball for insight, volcanologists at the USGS Hawaiian Volcano Observatory peer into the tiny crystals contained in lava flows to learn about the magma’s ...
2013). Garnet is a common accessory mineral in igneous and metamorphic rocks (Vennum and Meyer 1979, Baldwin and von Knorring 1983, Harrison 1988, Whitworth and Feely 1994, Gulbin and Glazov 2013), ...
One way to test that is to measure the titanium isotopic composition of the Moon and compare it to Earth’s. If the Moon formed from both Earth’s and Theia’s materials, its titanium signature should be ...