A SECRET WEAPON FOR JENOLAN KARST

(Jenolan Caves Reserve Trust) Not just any old rocks …. The sedimentary limestone at Jenolan Caves has long been dated to 430 million yrs previous and so is classed, in Australia, as ‘Silurian’. We do not look forward to finding any fossils of individuals or dinosaurs and we haven’t even observed any fossils of fish skeletons from the ca