- Surface separating
layers of sedimentary rocks. Each bedding
plane marks termination of one deposit and beginning of another of different character,
such as surface separating a sand bed from a
to separate, or break, readily along bedding planes.
Source: Leet, L. Don. 1982.
Physical Geology, 6th Edition. Englewood Cliffs, NJ: Prentice-Hall
- a. In sedimentary or stratified rocks, a surface that separates each layer
from those above or below it. It usually records a change in depositional
circumstances by grain size, composition, color, or other features. The
rock may tend to split or break readily along bedding planes.
See also: plane
b. Surface on which rock-forming mineral has been deposited.
c. A separation or weakness between two layers of rock caused by changes
during the building up of the rock-forming material.
See also: bed joint
Dictionary of Mining, Mineral, and Related Terms