Vertical bedding joints in quartz sandstone are well developed, perpendicular to the plane of the formation.
Vertical bedding joints in quartz sandstone are well developed, perpendicular to the plane of the formation.
此处石英砂岩垂直节理十分发育，与岩层层面正交。
Vertical bedding joints in quartz sandstone are well developed, perpendicular to the plane of the formation.
此处石英砂岩垂直节理十分发育，与岩层层面正交。