Collapsing salt and gypsum karst

Name: Collapsing salt and gypsum karst
Uploaded: 2012-01-01T12:00:00+00:00
Duration: 34 s
Description: Where water dissolves salt, gypsum or limestone underground, the surface can suddenly give way, a global hazard from Iraq to the Urals.

JAN 01 2012 · 12:00

Where water dissolves salt, gypsum or limestone underground, the surface can suddenly give way, a global hazard from Iraq to the Urals.

Source: YouTube

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Collapsing salt and gypsum karst

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