Fun with Geoscience Trivia

1. What name was given to the creaking wood placed in mines that were used to warn the miners of possible roof collapse?
   TALKING TIMBERS
    
2. What is the common name now used for the sedimentary rock once called puddingstone?
   CONGLOMERATE
    
3. Xenothermal deposits are formed at shallow to moderate depths, but at what temperatures (low, medium of high)?
   HIGH
    

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