Sentence examples for older strata from inspiring English sources

Although some older strata are also productive, the majority of the oil and gas obtained from the Permian Basin has been recovered from Permian rocks.

Also, fracturing and solution occurring at nearly the same time during the Triassic apparently caused local mixing and inversion of zones as younger beds collapsed into solutional voids in older strata.

He studied also in detail the Paleogene and Neogene deposits of the Paris Basin and ascertained the extent of the Cretaceous and some of the older strata, which he for the first time clearly depicted on a map (1817).

Although analytical methods of expressing grammatical meanings (through prepositions and other "empty" grammatical words) are present in older strata of the language, they are used to the exclusion of all other means only in the case system of Modern Bulgarian and Macedonian.

Lonsdale became the foremost authority in England on corals, and he described fossil forms from the lower Cenozoic (2.6 million to 65.5 million years old) and Cretaceous (65.5 million to 146 million years old) strata of North America and from older strata of Great Britain and Russia.

High-angle normal faults, inferred from seismic sections and surface geology, are included as structural elements which displace older strata.

The strength of the association was diminished in the older stratum.

Combination insulin use was associated with a significantly lower risk of pancreas cancer in the older stratum (0.5 [0.58–0.51]).

When this model was run separately within age strata, the standardised mean difference was −0.378 p<0.0011) in the older stratum and −0.490 p<0.0011) in the younger stratum.

Pain was the most frequent solicited injection site event, and was much more frequent in the younger (41/50; 82.0%) than the older stratum (18/69; 26.1%).

For women, the two younger strata (18 29 years and 30 39 years) had more group differences than the older stratum (40 66 years), except for HOMA-IR, which again showed group differences across all ages.