EUGEOSYNCLINE is validvalid

a narrow rapidly subsiding geosyncline usually with volcanic materials mingled with clastic sediments

180,084 of 196,601 in NWL2023·also valid in CSW24

a narrow rapidly subsiding geosyncline usually with volcanic materials mingled with clastic sediments

82,062 of 280,887 in CSW24·also valid in NWL2023

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