Cliefden Caves in Danger

IAN CURTIS Orange Speleological Society (OSS) | Cliefden NSW, with its caves, world-renowned Fossil Hill, tufa dams, hot spring and cultural sites is in danger of being flooded. The NSW government is proposing to build another dam on the Belubula River and money has been set aside for a feasibility study and construction. How can … Continue reading Cliefden Caves in Danger

Cliefden Caves: Repair of the Donkey Tail

GARRY K SMITH NHVSS | The ‘Donkey Tail’ is a stalactite which formed in a passage initially above the water table and was then submerged in a pool of calcite-saturated water for a long time. As very slow CO2 degassing and water evaporation has occurred, over time the calcite coming out of solution has been … Continue reading Cliefden Caves: Repair of the Donkey Tail