Hardgrounds overlain by metalliferous oxides locally record a hiatus in sedimentation, possibly on a tilted platform.From theCambridge English Corpus
This is overlain by a thin lenticular ignimbrite flow-unit draped by a fine ash layer, and buried by thick massive lapilli-tuff.From theCambridge English Corpus
Increased incidence of apoptosis in non-labor affected cytotrophoblast cells in term fetal membranes overlying the cervix: implications for preterm birth.From theCambridge English Corpus
Reefs have been exhumed by erosion of overlying shales.From theCambridge English Corpus
The overlying glass slide was then placed gently back on top of the chamber, which was then returned to the incubator.From theCambridge English Corpus
The brainstem was dissected free of the overlying cortex so that the thalamus and cortex could be cut in different planes.From theCambridge English Corpus
Test pits were dug down to the dense, sterile clays thatoverliebedrock.From theCambridge English Corpus
The changes in the dipping of overlying strata can be traced over distances of several kilometres.From theCambridge English Corpus
The animal was then placed in a stereotaxic apparatus and a craniotomy performed to expose the left cerebral cortex overlying the thalamus.From theCambridge English Corpus
This zone is also represented by a lower fine-grained unit of mainly offshore mudstones overlain by a thick nearshore sandstone-dominated unit.From theCambridge English Corpus
Following terminal anaesthesia the skin overlying the thorax was shaved, at the same time being sterilized with alcohol swabs.From theCambridge English Corpus
Conformably overlying the sandstones are approximately 5 m of beige-brown to olive green weathering sands and silts.From theCambridge English Corpus
Occasionally 1-1.5 m thick, rippled fine-grained sandy units are seen overlying this interbedded assemblage with a sharp contact.From theCambridge English Corpus
The channelized sandstones are overlain by medium to thick sandstone beds and thin interbedded mudstones.From theCambridge English Corpus
The calcrete is of two types; the first one is rich in silt with low clay content, and generally overlies the mottled silty sandstone lithofacies.From theCambridge English Corpus
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