Whereas previously the rock layers were interpreted as evidence of Noah's flood, the flood was thrown out by the scientific community and the rock layers were reinterpreted as evidence for an excessively old earth.
Ambapo awali tabaka ya mwamba ilifasiriwa kama ushahidi wa gharika ya Nuhu, mafuriko yalitupiliwa mbali na jamii ya kisayansi na tabaka za mwamba zilifasiriwa upya kama ushahidi kwa ajili ya dunia ya zamani.