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Strata (singular = stratum).
youngest
A stratum.
A bioclast is a fossil fragment which is used to date a rock stratum.
A layered rock is composted of sediments that have been compressed over time, It is called a sedimentary rock.
Stratum
stratum
The word strata is the plural of the word stratum. A stratum is any individual layer of rock that has relatively uniform internal properties. As such, any type of rock can be a stratum, it doesn't refer to any particular type of rock. Please see the related links for more information.
Stratum
A stratum.
Strata (singular: stratum)
Strata (singular = stratum).
youngest
A rock stratum, and the relative placement of that in a cliff
A stratum.
A bioclast is a fossil fragment which is used to date a rock stratum.
a water-bearing stratum of permeable rock, sand, or gravel