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  • noun

Synonyms for lithology

the branch of geology that studies rocks: their origin and formation and mineral composition and classification

References in periodicals archive ?
In the Permian, the Jimusaer Lucaogou Formation sequence was divided into six sections from bottom to top according to lithologic characteristics: dolostone ([P.sub.2][I.sup.1]), dolostone interbedded with sandstone ([P.sub.2][I.sup.2]), lower oil shale ([P.sub.2][I.sup.3]), sandstone ([P.sub.2][I.sup.4]), upper oil shale ([P.sub.2][I.sup.5]) and shale ([P.sub.2][I.sup.6]) (Fig.
Although sandstone and shale are the two main lithologic constituents in the Bahariya and Kharita Formations, Table 1 shows that other lithologies are also present and can be important constituents.
Caption: Figure 5: A composite lithologic log of the section of the Djega outcrop under study showing the position of the K/Pg, boundary.
In a paper published in 1990 Evans and Hayward showed that while the broad lithologic patterns were simple, "the displaced units are locally internally complex (Evans & Hayward, 1990, p.455).
This map is very useful for distinguishing the lithologic layers at depths of about 100 m.
Wright, "Spaceborne visible and thermal infrared lithologic mapping of impact-exposed subsurface lithologies at the Haughton impact structure, Devon Island, Canadian High Arctic: applications to Mars," Meteoritics and Planetary Science, vol.
Yao et al., "Micro-fractures in extra-low permeability reservoir of Yanchang Formation in Ordos Basin," Lithologic Reservoir, vol.
Lifton, N.A., Chase, C.G., 1992 Tectonic, climatic and lithologic influences on landscape fractal dimension and hypsometry: implications for landscape evolution in the San Gabriel Mountains, California.
Within each polygon shown on the surface, the subsurface lithologic column was separated into hydrogeologic units.
Huang use the logarithmic difference function application in texture image described, and separate spectral analysis for image classification and compared, finally came to a conclusion that the logarithmic deviation function and texture extraction combination can improve the conclusion of lithologic classification accuracy.
The lithologic substratum is represented by Neocene marine sediments, formed mainly from argil and sand (marl with elements of grit stone, limestone, pudding stone and volcanic tuba), as well as local reshuffling of a sedimentary nature on the slopes and of an alluvial nature in the valleys, all of them having a tendency towards pedo-diagenetic loessification.
Geophysical techniques study the contrast in the physical properties of the different units in the subsurface such as velocity, electrical resistivity, (conductivity), acoustic properties, subsurface geology and the environmental conditions [8][7][15][18][4] and they can provide some of the information required to delineate those materials in the subsurface space such as the overburden thickness, horizontal and vertical lithologic extents, depth to water table, fault zones [22].