basal sapping वाक्य
"basal sapping" हिंदी में basal sapping in a sentenceउदाहरण वाक्य
- Cliffs retreat and are eventually cut off from the main cliff, or plateau, by basal sapping.
- Basal sapping occurs as water flowing around the rock layers of the mesa erodes the underlying soft shale layers, either as surface runoff from the mesa top or from groundwater moving through permeable overlying layers, which leads to slumping and flowage of the shale.