Aurora Cave, Limestone cave in Fiordland, New Zealand
Aurora Cave is an extensive limestone cave system near Lake Te Anau with multiple levels and several kilometers of underground passages. The system was shaped by the Tunnel Burn stream and displays various geological layers throughout the passages.
Researchers discovered remains of an extinct frog species in 1988, leading to the identification of a previously unknown amphibian. This finding made the cave an important location for studying ancient species in New Zealand.
The cave takes its name from the glowworm phenomenon that appears in the darkness when eyes adjust to the underground environment. These luminous insects create an otherworldly light display within the limestone passages.
Access requires advance permission and preparation because of strict conservation measures protecting the cave system. Visitors should contact local authorities since only organized expeditions with specialized guides are permitted.
The sediment layers within the cave preserve climate records spanning tens of thousands of years. These natural archives reveal multiple shifts between cold and warmer periods in geological history.
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