3. ABERCROMBIE CAVES
ABERCROMBIE CAVES Image from NPWS The Abercrombie Caves are located about 70 km south of Bathurst. They lie on Grove Creek, a tributary of the Abercrombie River. The dominant feature is the archway through which Grove Creek passes. The Limestone Deposits of NSW (Lishmund et al) has this to say about the geology of the area. "The Abercrombie Caves limestone deposit is part of the Kildrummie Formation which here consists of quartz-rich slate and chert, thick limestone units, and thin horizons of basic volcanics. The limestone is thickest near the arch at Abercrombie Caves where it is about 300 m thick. North and south of the caves it decreases quite rapidly. " F ossils within these strata date from the late Silurian period. As with most of the Lachlan fold belt, the folded strata and volcanics crop out in zones which run generally north-south. History of the area . The local indigenous people no doubt used the arc...