Below are possible answers for the crossword clue Rock layer.
5 letter answer(s) to rock layer
SHELF
a projecting ridge on a mountain or submerged under water
a support that consists of a horizontal surface for holding objects
7 letter answer(s) to rock layer
STRATUM
an abstract place usually conceived as having depth; "a good actor communicates on several levels"; "a simile has at least two layers of meaning"; "the mind functions on many strata simultaneously"
one of several parallel layers of material arranged one on top of another (such as a layer of tissue or cells in an organism or a layer of sedimentary rock)
people having the same social, economic, or educational status; "the working class"; "an emerging professional class"
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