Stratigrapher

Definitions

  • Chambers's Twentieth Century Dictionary
    • ns Stratigrapher a student of stratigraphical geology
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Etymology

Chambers's Twentieth Century Dictionary
L. stratumsternĕre, stratum, to spread out.

Usage

In literature:

Stratigraphers wished from palaeontology mainly confirmation regarding the true order or relative age of zones of rock-deposits in the field.
"Darwin and Modern Science" by A.C. Seward and Others
It is called the stratigraphical method, because it is based on the description of strata, or layers.
"Anthropology" by Robert Marett
The stratigraphic horizons favorable to their accumulation are generally recognized.
"The Economic Aspect of Geology" by C. K. Leith
There was one stratigraphical domain, however, into which William Smith did not enter.
"Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6" by Various
The stratigraphic relations of the two formations are shown in Fig.
"The Geography of the Region about Devils Lake and the Dalles of the Wisconsin" by Rollin D. Salisbury
The saw rock canyon fauna and its stratigraphic significance.
"Speciation and Evolution of the Pygmy Mice, Genus Baiomys" by Robert L. Packard
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In science:

This can happen only for composite surfaces, where the roughness topography may penetrate through a coating or other stratigraphic variation of material properties.
Wetting on Random Roughness: the Ubiquity of Wenzel Prewetting
Dating is usually done to the nearest stratigraphic stage.
Simple models of evolution and extinction
Figure 1 shows a histogram of the number of families becoming extinct per stratigraphic stage on a log-log scale.
Simple models of evolution and extinction
Figure 1: Histogram of the number of families of fossil marine species becoming extinct per stratigraphic stage of the Phanerozoic.
Simple models of evolution and extinction
In Figure 5 we show the rate of extinction of families measured in each stratigraphic stage as a function of time from 540 million years ago to the present.
Simple models of evolution and extinction
Fig. 8). These structures are caused by the presence of bentonite in the sediments. Small channels exposed a cross-section through the stratigraphic sequence, so we imaged the ground through these diverse small channels and further up the geologic sequence.
The Cyborg Astrobiologist: Testing a Novelty-Detection Algorithm on Two Mobile Exploration Systems at Rivas Vaciamadrid in Spain and at the Mars Desert Research Station in Utah
Petruny (2008), ―Impact spherule-bearing, Cretaceous-Tertiary boundary sand body, Shell Creek stratigraphic section, Alabama, USA‖, in The Sedimentary Record of Impacts, Eds. K.R.
The Cyborg Astrobiologist: Testing a Novelty-Detection Algorithm on Two Mobile Exploration Systems at Rivas Vaciamadrid in Spain and at the Mars Desert Research Station in Utah
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