Time for komatiite

People mellow with age. At least, most of us do. The emotions of youth become less all-important and less demanding of our attention. Young people feel that every perceived slight needs addressing. The heat goes to the head and mistakes are made. The Earth, too, went through that phase, before it settled down in middle-age…

Ice age

The signs are everywhere. In some places, huge stones are found lying on the land, in a place where no rock exists. In other places, deep scratches in the stony surface, all pointing in one direction. U-shaped valleys are found in hills, a shape which rivers don’t do. To the readers of the landscape, it…