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Inverse grading and hydraulic equivalence in grain-flow deposits

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Inverse grading and hydraulic equivalence in grain-flow deposits; 1979; Article; Journal; Journal of Sedimentary Petrology; Sallenger, A. H.

Summary

Inversely graded grain-flow deposits are characterized by a hydraulic equivalence that differs from that based on settling velocities or entrainment. Dispersive equivalence, derived from the dispersive pressure hypothesis on how inverse grading develops, was found to agree reasonably well with observed relationships between grain sizes and densities in grain-flow deposits. Furthermore, observed relationships in deposits formed in subaerial and subaqueous environments were found to be independent of fluid density as is required by dispersive equivalence. The results suggest that dispersive pressure controls the development of the inverse grading common to beach foreshore laminations, slip-face foreset strata, the basal parts of some [...]

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Harvested on Fri Oct 31 03:17:30 MDT 2014 from MODS XML Service

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Type Scheme Key
local-index unknown 70129070
local-pk unknown 70129070
doi http://www.loc.gov/standards/mods/mods-outline-3-5.html#identifier doi:10.1306/212F7789-2B24-11D7-8648000102C1865D
series unknown Journal of Sedimentary Petrology

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citationTypeArticle
journalJournal of Sedimentary Petrology
languageEnglish
parts
typevolume
value49
typeissue
value2

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