Level Two pit which operated continuously from 1903

which operated continuously from 1903 until May 1999

The amenities building was a separate structure on the Nancarrow Avenue site

The grinding pans and press machinery retained here represent the same fundamental technology introduced with the industrialisation of brickmaking in the latter nineteenth century

Bare trees line the hillside behind

This sub-basement level once supported the engine house that

Level Two pit which operated continuously from 1903Tiered excavation terraces step down through the dolerite walls of Hornsby Quarry, the void now holding still water at its base. Quarrying here from around 1905 until 2002 cut more than 100 m through a Jurassic volcanic neck, the largest diatreme exposure in the Sydney Basin. Part of the Hornsby Quarry series.