Columnar joint blocks are formed by two sets of joints.
“长柱状”节理块是由两组节理组成。
Columnar joint structure, as considered by various researchers long since, is only possible to develop in basic lava with low viscosity and high nuidity.
柱状节理构造历来被众多学者认为只能发育在粘度小、流动性大的基性熔岩中。
Columnar joint, microfissure and gently dipping structural surface are the three fundamental factors which lead to the small deformation modulus of basaltic mass.
白鹤滩柱状节理玄武岩中发育的柱状节理、微裂隙及缓倾角结构面是导致岩体变形模量较低的主要因素；
Typical columnar joint structure of considerably large scale found in recent years is distributed in various localities in Mesozoic acidic volcanic rocks in Zhejiang.
近年来，在浙江多处中生代酸性火山岩中，发现了十分典型、甚具规模的柱状节理构造。
"Columnar" joint blocks are formed by two sets of joints.
“长柱状”节理块是由两组节理组成。
"Columnar" joint blocks are formed by two sets of joints.
“长柱状”节理块是由两组节理组成。
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