Geological structure where sets of intersecting closely spaced fractures, referred to as joints, result in the formation of a regular array of polygonal prisms, or columns
geological structure where sets of intersecting closely spaced fractures, referred to as joints, result in the formation of a regular array of polygonal prisms, or columns (en)
용암이 급격하게 식어서 굳을 때 육각 기둥모양으로 굳어져 생긴 지형 (ko)
prismas poligonales de roca formados por diaclasas (es)
Laba basaltikoetan, eta, batzuetan, beste arroka estrusibo zein intrusiboetan ere, azaltzen diren sekzio poligonaleko zutabe prismatiko paraleloak. Hoztearen ondorioz gertatzen den kontrakzioagatik sortzen dira (eu)