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The principles of lithostratigraphy were first established by the Danish naturalist, Nicolas Steno, in his 1669 Dissertationis prodromus. [1] A lithostratigraphic unit conforms to the law of superposition, which in its modern form states that in any succession of strata, not disturbed or overturned since deposition, younger rocks lies above older rocks. [2]
It is the fundamental unit of lithostratigraphy, the study of strata or rock layers. [1] [2] A formation must be large enough that it can be mapped at the surface or traced in the subsurface. Formations are otherwise not defined by the thickness of their rock strata, which can vary widely. They are usually, but not universally, tabular in form.
These variations provide a lithostratigraphy or lithologic stratigraphy of the rock unit. Key concepts in stratigraphy involve understanding how certain geometric relationships between rock layers arise and what these geometries imply about their original depositional environment.
Created Date: 8/30/2012 4:52:52 PM
Download QR code; Print/export Download as PDF; Printable version; In other projects Wikimedia Commons; ... Lithostratigraphy (1 C, 5 P) S. Sequence stratigraphy (16 P)
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Download QR code; Print/export Download as PDF; Printable version; In other projects Wikimedia Commons; Wikidata item; ... Pages in category "Lithostratigraphy"
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