Significats de sedimentary strata en anglès

Traces of such are to be found only in the sedimentary strata.

We also studied the distribution of very fine-grained, micrometre-sized dust in the sedimentary strata.

And who shall count the cycles that revolved ere earth's interior sedimentary strata were crystalized into stone.

On the other hand, in all parts of the world the piles of sedimentary strata are of wonderful thickness.

To me, 1 km depth suggests that today's event occurred in the softer sedimentary strata, rather than in the underlying crystalline "basement" rock.

If you look up the definition of 'stratigraphy' in a dictionary you'll likely get some variation of "the branch of geology that studies sedimentary strata".

Sedimentary strata must have been originally deposited in planes nearly horizontal.