首页 >  Term: cylindrical structure
cylindrical structure

A vertical structure in sandstone, a few centimeters to several decimeters in diameter and several decimeters in length, with a structureless interior, attributed to a rising water column or a spring channel.

0 0

创建者

  • ed.young
  • (Milwaukee, United States)

  •  (V.I.P) 21084 分数
  • 100% positive feedback
© 2024 CSOFT International, Ltd.