Stuff To Blow Your Mind Kartchner Caverns, Part 2
Mar 12, 2026
A deep dive into the secret discovery and careful development of Kartchner Caverns. They explore what makes a cave 'living' and how limestone formations like soda straws, helictites, and translucent 'cave bacon' form. Conversation turns to bats as ecosystem engineers, maternity roosts, guano-based food webs, and a dramatic predation event. They also trace a discoverer’s path from caver to Europa researcher.
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Kartchner Caverns Is Still Geologically Active
- Kartchner Caverns is a living cave with active hydrology and growing mineral formations.
- Water still flows through the limestone so formations change year-to-year and can reactivate after being cut off.
How Limestone Caves Build Stalactites And Stalagmites
- Limestone caves form when CO2-rich rainwater dissolves calcite then off-gasses in air-filled voids, precipitating calcite as drips.
- That precipitation builds stalactites, stalagmites and other drip-formed speleothems over long timescales.
Food Names Describe Distinct Cave Formations
- Cave formations get informal food-based names like fried eggs and cave bacon that describe appearance.
- Fried eggs are calcite deposits on stalagmites and cave bacon is thin translucent flowstone formed by trickling water.
