E1U1G2E1O1S1Y4N1C3L1I1N1E1S1
20 points
EUGEOSYNCLINES is validvalid
EUGEOSYNCLINE, [n]
EUGEOSYNCLINE, a narrow rapidly subsiding geosyncline usually with volcanic materials mingled with clastic sediments [n]
EUGEOSYNCLINE, [n]
EUGEOSYNCLINE, a narrow rapidly subsiding geosyncline usually with volcanic materials mingled with clastic sediments [n]