Tag
caves
6 posts
- 10 July 2026The 5-Million-Year-Old Cave Archive Beneath a Treeless PlainBeneath the treeless Nullarbor Plain, a labyrinth of limestone caves preserves five million years of Australian climate in sediment layers, fossil bones, and ancient air bubbles.
- 19 June 2026The Canyon That Records a 300-Million-Year-Old Ice Age: Tasmania's Ida Bay KarstHow limestone formed from a 300-million-year-old Permian sea floor in Tasmania's Ida Bay preserves evidence of a polar ice age that gripped the ancient supercontinent Gondwana.
- 19 June 2026The Fire That Turned a Reef to Marble: Tasmania's Mole Creek KarstHow 400-million-year-old limestone beneath Tasmania's Great Western Tiers was baked by Jurassic intrusions into rare calcite marble, then carved by water into one of Australia's most extensive cave sy
- 19 June 2026The Ice That Carved a Canyon of Bone: Wellington Caves' Fossil Mammal DepositsHow 4-million-year-old cave sediments in central New South Wales preserved the richest record of Australia's lost megafauna, from giant wombats to marsupial lions.
- 18 June 2026The Ice That Carved a Cave of Crystals: Tasmania's Hastings CavesHow 40-million-year-old dolomite in Tasmania's Hastings Caves, dissolved by acidic groundwater beneath Mount Picton, created one of Australia's largest and most ornate cave systems.
- 12 May 2026The Bone Bed of the Nullarbor: Koala Cave's Fossil MarsupialsIn a 1.5-million-year-old cave on the Nullarbor Plain, a fossil deposit preserves the remains of giant marsupials—including a 3-metre-tall wombat relative—trapped when the plain was a lush woodland.