stratigraphic unit


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stratigraphic unit

[¦strad·ə¦graf·ik ′yü·nət]
(geology)
A stratum of rock or a body of strata classified as a unit on the basis of character, property, or attribute.
References in periodicals archive ?
As previously mentioned, the primary target formation of Saturn Minerals exploration program continues to be the Red River Formation, a stratigraphic unit of Upper Ordovician age in the Williston Basin well known for economic pools of oil south of the Potash Restriction Zone, and unexplored north of the Potash Restriction Zone.
The presence of kaoliniferous beds has to be pointed out because its strong influence in the geotechnical behaviour of this stratigraphic unit.
The stratigraphic unit 213 of the Abadsan Rockshelter has yielded a relatively small number of industrial samples (n = 517).
As a stratigraphic unit, the Kukruse Stage was established already in the late 19th Century: "Kuckerssche Schicht" by F.
The oldest stratigraphic unit cropping out within the quadrangle is the Cretaceous Owl Creek Formation, the youngest formation of the Selma Group (Fig.
Part 1 of 2] Stratigraphic Unit Average Thickness of Deposit Unit 7 Modern O-A-E Horizons 5-7 cm Unit 6 Modern B Horizon 15-20 cm Unit 5 Buried Forest Soil complex 15-20 cm Unit 4 Sand 25-30 cm Unit 3 Silver Sand 5 cm Unit 2 Lower Loess with Paleosol Stringer 25-30 cm Unit 1 Outwash Gravels ?
The faunal material was contained within the late Pleistocene / early Holocene stratigraphic unit (Figure 1).
Thirty-four species belonging to twenty-five different genera have been identified from the limestone at lower and uppermost of this stratigraphic unit, whereas the middle argillaceous part is devoid of larger benthonic foraminifera.
It contained many fallen stones and rocks and was probably part of the stratigraphic unit 209.
Artifacts found while studying sections or during soil sampling, both in previous years and during the 2001 field season, were assigned to a stratigraphic unit by the geologist on site at the time.
Such a stratigraphic unit proved to be of limited value, because sequences then could be recognized only on margins of a basin where subaerial unconformities were present.
This succession does not correspond to any other stratigraphic unit previously identified for the Mesozoic of Asturias (see Valenzuela et al.