Analysis of information sources in references of the Wikipedia article "Glen Tilt" in English language version.
Hutton possessed an instinctive ability to reverse physical processes - to read landscapes backwards, as it were. Fingering the white quartz which seamed the grey granite boulders in a Scottish glen, for instance, he understood the confrontation that had once occurred between the two types of rock, and he perceived how, under fantastic pressure, the molten quartz had forced its way into the weaknesses in the mother granite.
