Lecture 15 Lithostratigraphy. Lithostratigraphy Biostratigraphy Seismic stratigraphy. Magnetostratigraphy Geochemistry stable istopes radiometric dating. Stratigraphy: Putting together the whole picture (processes and history). I. “Facies” (Steno, 1669) “aspect” or “appearance” .
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radiometric datingStratigraphy: Putting together the whole picture (processes and history)
(Steno, 1669) “aspect” or “appearance”
Can be genetic (fluvial facies) or descriptive (sandstone facies)
Lithofacies = a consistent lithologic character within a formation. E.g. an evaporite lithofacies
Walther’s law (1894) = facies that occur in conformable vertical successions of strata also occur in laterally adjacent environments.
Old (pre-1930) and new interpretations of units in the Devonian Catskills. Layer-cake versus concept of facies change.
Sloss (1963) Everglades
Time (geochronologic) units Everglades
AgeVI. Time, Time-Rock and Rock Units
Time units Everglades
Rock (lithostratigraphic) units Everglades