Hardgrounds overlain by metalliferous oxides locally record a hiatus in sedimentation, possibly on a tilted platform.
This is overlain by a thin lenticular ignimbrite flow-unit draped by a fine ash layer, and buried by thick massive lapilli-tuff.
Increased incidence of apoptosis in non-labor affected cytotrophoblast cells in term fetal membranes overlying the cervix: implications for preterm birth.
Reefs have been exhumed by erosion of overlying shales.
The overlying glass slide was then placed gently back on top of the chamber, which was then returned to the incubator.
The brainstem was dissected free of the overlying cortex so that the thalamus and cortex could be cut in different planes.
Test pits were dug down to the dense, sterile clays that overlie bedrock.
The changes in the dipping of overlying strata can be traced over distances of several kilometres.
