A4C said:I said semi hardened Have you ever made a mud ball and looked at it a year later ? In fact I am talking hardened due to compaction (not dryness) under many meters (or hundreds of meters) of other sediment.
Allister said:i am no geologist so i cant argue this point. unfortunatly.
Fortunatly I'm a geologist, and as matter of fact, today I visited a 280 meter borehole. I'd say 280 meters is close to hundreds of meters. The sediments penetrated were not hardened but were all soft sediments - clay, silt, sand - as always, drilling through Quatenary sediments into Tertiary sediments in my country which is Denmark.
Regards
Loke
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