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Earthquake forecasting clues unearthed in strange precariously balanced rocks – Phys.org
Precariously balanced rocks (PBRs) are formations found throughout the world where a slender boulder is balanced precariously on a pedestal boulder. They form a…
Precariously balanced rocks (PBRs) are formations found throughout the world where a slender boulder is balanced precariously on a pedestal boulder. They form as blocks preserved on cliffs, or when softer rocks erode and leave the harder rocks behind. They can also form when landslides or retreating glaciers deposit them in strange positions.
Despite their delicate balancing act, many PBRslike the Brimham Rocks in Yorkshire, or Chiricahua National Monument in Arizonahave survived earthquake sha…
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