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Stratigraphy is a branch of geology concerned with the study of rock layers and layering (stratification). It is primarily used in the study of sedimentary and layered volcanic rocks . Stratigraphy has three related subfields: lithostratigraphy (lithologic stratigraphy), biostratigraphy (biologic stratigraphy), and chronostratigraphy ...
Stratigraphy as seen in southeastern Utah. The lithology of a rock unit is a description of its physical characteristics visible at outcrop, in hand or core samples, or with low magnification microscopy. Physical characteristics include colour, texture, grain size, and composition.
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Download as PDF; Printable version ... move to sidebar hide. Stratigraphy of the Karoo Supergroup in the Karoo Basin ... Text is available under the ...
A geoarchaeologist analyzes a stratigraphy on the route of the LGV Est high-speed railway line. geoarchaeologist at work on column sample Geoarchaeology is a multi-disciplinary approach which uses the techniques and subject matter of geography, geology, geophysics and other Earth sciences to examine topics which inform archaeological and chronological knowledge and thought.
A system in stratigraphy is a sequence of strata (rock layers) that were laid down together within the same corresponding geological period.The associated period is a chronological time unit, a part of the geological time scale, while the system is a unit of chronostratigraphy.
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In geology, tectonostratigraphy is stratigraphy that refers either to rock sequences in which large-scale layering is caused by the stacking of thrust sheets, or nappes, in areas of thrust tectonics or to the effects of tectonics on lithostratigraphy.