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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 ?
Lithologically it lies in alluvial plain composed of quaternary sediments which are mainly of deltaic and alluvial origins (Farooqi et al.
This formation is present in most of the Zagros basin and lithologically, consists of limestone, dolomitic limestone, dolomite and marly limestone.
Gambier strata locally lie unconformably on Jurassic rocks of the Coast Plutonic Complex, or on basement metamorphic rocks; in the Vancouver North map area, the base of the lower volcanic assemblage is characterized by conglomerate containing cobbles of granodiorite lithologically identical to rocks of the local Coast Plutonic Complex (Roddick 1965).
Lithologically they are often represented by a concrecional sediment calcification of this zone.
Moreover, a minor admixture of rock fragments from the covering Ordovician limestones and underlying crystalline basement suggests the simultaneous transport of all the impact-crashed lithologies of the target, and, at the same time, principal separation of lithologically different flows.
The objective of the present study is to evaluate the effects of land disturbances during different phases of surface coal mining and reclamation activities at the three lithologically dissimilar, experimental watersheds in Ohio, upon changes in the relations between surface-water constituent concentrations and instantaneous discharges by use of regression techniques.
The lower 170 feet (52 m) of this section is composed of fossiliferous siltstone and claystone that are lithologically similar to those identified as the Puente Formation by Gray (1961) approximately 11 km (7 mi) to the north and northwest of the Bedford Canyon locality in the Corona North and Prado Dam 7.
Lithologically, the Clayton typically consists of a thin basal sand or gravelly sand, a fossiliferous limestone unit of varying thickness, and a thick unit of fine-grained, glauconitic sand which makes up the majority of the formation (Conant and McCutheon, 1941; Swann, 1999).
The upper Nevado-Filabride rocks are allochthonous and more lithologically varied; they include mica schists with kyanite and staurolite, interlayered mafic metavolcanic rocks, gneisses formed from felsic volcanic rocks, quartzites, and calcite and dolomite marbles.
Parent material contributions are usually assessed using a reference element, which is assumed to be lithologically conserved.
It is lithologically represented by brownish, brownish-gray clays with jarosite tarnish and inter-layers of gray, fine-grained sandstones, and by marlaceous and sideritic concretions.
Lithologically the samples are 1- parallel laminated, very fine to fine grained, angular to subangular and moderately sorted or 2-wavy laminated, fine to medium grained subangular to subrounded and moderately to well sorted.
Lithologically, these rock bodies are nearly identical, and it is possible that, at places where the Alibates has been removed by erosion, the Quartermaster lies directly on the Whitehorse but has not been recognized.