The success of certain paleontologists and stratigraphic specialists in oil exploration is an evidence of this situation.
This assumption is further backed by stratigraphic evidence provided by projectile points (table 4).
The absence of the mesonychids might, but probably should not, be explained as a result of stratigraphic differences.
The stratigraphic horizons favorable to their accumulation are generally recognized.
It is scarcely possible to summarize briefly all of the structural and stratigraphic methods used in locating the ore bodies.
A grouping of distinct species of fossils correlated with stratigraphic characters in the rocks determines these subdivisions.
It was in this way chiefly that William Smith, the founder of English stratigraphic geology, used them.
stratigraphy stra·tig·ra·phy (strə-tĭg'rə-fē)