Stop 1. Phot. black shale w. trilobites graps & brachs. not so apparent. Larcolith intrudes black shales. Construction of houses a few 100 yds to W. means this Middle Permary may not survive much longer. There are several quarries & just not this one X S. edge of Gorwth basin Stop 1-2 Quarry down long road - now not used Cwm - Gwyll about 200 ft missing Caradoc 7 (zone 1) b) .1 mile to North / Caradoc & Caradoc 7 etc. & transition into Llandoverry - ideal place lower for type section of boundary b/w Ord. & Silur Played and inclination general reeds? Icebergs drops pebbles 1 cast of the postlome.