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The one closest to the surface because rock layers are laid down one on top of another.
Wiki User
∙ 12y ago
Wiki User
∙ 12y agoaccording to the law of superposition, the one on the bottom
Wiki User
∙ 13y agothe youngest layer of rock is the highest layer
Wiki User
∙ 14y agoNot always, but in undisturbed strata, the top layer is the most recently deposited.
Wiki User
∙ 13y agothe top layer
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When might the youngest layer in a set of sedimentary rock not be on top?
1. If a set of rock layers has been disturbed by movement of tectonic plates, the youngest layer may no longer be on top.
What is the name of the bottom rock layer?
The bottom layer of a sedimentary rock is called the basal layer. This layer is considered the coarsest in the rock.
What is a sedimentary rock that is sometimes formed from sand deposits?
Sandstone is a sedimentary rock formed from layer upon layer of deposited sand which undergoes lithification.
When a layer or several layers are missing from a rock-layer what is this called?
Unconformity= break in sedimentary rock record
What do geologists call a single layer of sedimentary rock?
A stratum.
What is the makeup of the youngest layer of sedimentary rock?
Clay
Where is the youngest layer of sedimentary rock found?
On the top
When might the youngest layer in a set of sedimentary rock not be on top?
1. If a set of rock layers has been disturbed by movement of tectonic plates, the youngest layer may no longer be on top.
What layer is sedimentary rock in?
sedimentary layer ㅡㅡ
What Sedimentary rock is the youngest?
The "youngest" (newest) sedimentary rocks are a few million years old, those that underwent rapid compaction in the shortest lithification process.
What is a layer of sedimentary?
a layer of rock
What is the name of the bottom rock layer?
The bottom layer of a sedimentary rock is called the basal layer. This layer is considered the coarsest in the rock.
What sedimentary rock is formed from thin layer of clay compacted very tightly together?
This is Shale, a Sedimentary rock.
What feature is formed when a sedimentary rock layer overlies a nonsedimentary rock layer?
Unconformity
If erosion wore away the youngest rock layer what would be the results?
Then you would be able to observe the next to the youngest rock layer.
What is a sedimentary rock that is sometimes formed from sand deposits?
Sandstone is a sedimentary rock formed from layer upon layer of deposited sand which undergoes lithification.
Where is the youngest layer of rock found?
On the top
