Some days ago I got into a rather enthralling conversation about weird magma types. It revolved around a particular kind of magma called nephelinite. Some of you may know about this magma variety. Or perhaps not. It is after all a word that doesn’t show up as frequently as basalt or rhyolite. If this name…
In the previous part I wrote that we would be investigating some of the largest sub-aerial volcanism on the planet as we took a closer look at this the largest known sub-aerial volcanic system in the world. And now it is time to look at volcanism on a stupendous scale. But before we do that…
Carbon is amazing. Where would life be without it? It forms short molecules, including the one essential to (previously) intelligent life, ethanol. It forms long linear molecules (aliphatics), round molecules (aromatics) and even spherical molecules (fullerenes) or cylinders (nanotubes). As a solid it forms thin, strong sheets (graphite). If such a sheet is composed of…