Weathered outcrop of Jurassic gneiss with several dark, wispy fragments of Julian Schist. Enclosure of these fragments by the gneiss indicates that the schist fragment must be older than the original granite.

Weathered outcrop of Jurassic gneiss with several dark, wispy fragments of Julian Schist.
Enclosure of these fragments by the gneiss indicates that the schist fragment must be older than the original granite.