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Geological formation

A geological formation, or simply formation, is a body of rock having a consistent set of physical characteristics (lithology) that distinguishes it from adjacent bodies of rock, and which occupies a particular position in the layers of rock exposed in a geographical region (the stratigraphic column). It is the fundamental unit of lithostratigraphy, the…

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Defining formations

Depositional structuresFossilsCoalKerogenTaxonomy
13 related topics

Usefulness of formations

StratigraphyGroupsMembersGeologistsOutcrops
13 related topics

Other uses of the term

CaveStalactitesStalagmites
3 related topics

Overview

LithologyStratigraphic columnLithostratigraphyStrataThickness
8 related topics

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Overview

Defining formations

Usefulness of formations

Other uses of the term

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Geological formation

Nodes42
Edges41
Triples7
Avg. degree1.95
Density0.047619
Components1

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Important terminology

formations formation rock geologic lithology strata stratigraphic defined geological geologists may layers region geology rocks must type exposed fundamental concept

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
chemicalinstance ofThe lithology of a formation includes characteristics0.80text
mineralogical compositioninstance ofThe lithology of a formation includes characteristics0.80text
textureinstance ofThe lithology of a formation includes characteristics0.80text
colorinstance ofThe lithology of a formation includes characteristics0.80text
primary depositional structuresinstance ofThe lithology of a formation includes characteristics0.80text
fossils regarded as rock-forming particlesinstance ofThe lithology of a formation includes characteristics0.80text
or other organic materials such as coal or kerogeninstance ofThe lithology of a formation includes characteristics0.80text

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