FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W4224251143> ?p ?o ?g. }

• W4224251143 endingPage "988" @default.
• W4224251143 startingPage "958" @default.
• W4224251143 abstract "Abstract Deep‐water mudstones overlying basin‐floor and slope sandstone‐prone deposits are often interpreted as hemipelagic drapes deposited during sand starvation periods. However, mud transport and depositional processes, and resulting facies and architecture of mudstones in deep‐water environments, remain poorly understood. This study documents the sedimentology and stratigraphy of basin‐floor and slope mudstones intercalated with sandstone‐prone deposits of the Laingsburg depocentre (Karoo Basin, South Africa). Sedimentologic and stratigraphic criteria are presented here to distinguish between slope and basin‐floor mudstones, which provide a tool to refine palaeogeographical reconstructions of other deep‐water successions. Several mudstone units were mapped at outcrop for 2500 km 2 and investigated using macroscopic and microscopic core descriptions from two research boreholes. Basin‐floor mudstones exhibit a repeated and predictable alternation of bedsets dominated by low‐density turbidites, and massive packages dominated by debrites, with evidence of turbulent‐to‐laminar flow transformations. Slope mudstones exhibit a similar facies assemblage, but the proportion of low‐density turbidites is higher, and no repeated or predictable facies organisation is recognised. The well‐ordered and predictable facies organisation of basin‐floor mudstones suggest local point sources from active slope conduits, responsible for deposition of compensationally stacked muddy lobes. The lack of predictable facies organisation in slope mudstones suggests deposition took place in a more variable range of sub‐environments (i.e. ponded accommodation, minor gully/channel‐fills, levees). However, regional mapping of three mudstone units evidence basinward tapering and similar thicknesses across depositional strike. This geometry is consistent with the distal part of basin margin clinothems, and suggests laterally extensive mud delivery across the shelf edge combined with along‐margin transport processes. Therefore, the sedimentology and geometry of mudstones suggests that mud can be delivered to deep‐water dominantly by sediment gravity flows through point source and distributed regionally, during periods of up‐dip sand storage. These findings challenge the common attribution of deep‐water mudstones to periods of basin‐floor sediment starvation." @default.
• W4224251143 created "2022-04-26" @default.
• W4224251143 creator A5007266305 @default.
• W4224251143 creator A5043420934 @default.
• W4224251143 creator A5058613973 @default.
• W4224251143 creator A5063070770 @default.
• W4224251143 creator A5067733335 @default.
• W4224251143 creator A5087664515 @default.
• W4224251143 date "2022-05-16" @default.
• W4224251143 modified "2023-09-28" @default.
• W4224251143 title "Sedimentologic and stratigraphic criteria to distinguish between basin‐floor and slope mudstones: Implications for the delivery of mud to deep‐water environments" @default.
• W4224251143 cites W123756470 @default.
• W4224251143 cites W1427110170 @default.
• W4224251143 cites W1483157968 @default.
• W4224251143 cites W1527721266 @default.
• W4224251143 cites W1552808065 @default.
• W4224251143 cites W1565157291 @default.
• W4224251143 cites W1570489493 @default.
• W4224251143 cites W1574417475 @default.
• W4224251143 cites W1908834558 @default.
• W4224251143 cites W1920712989 @default.
• W4224251143 cites W1934469433 @default.
• W4224251143 cites W1945302183 @default.
• W4224251143 cites W1945816043 @default.
• W4224251143 cites W1964111016 @default.
• W4224251143 cites W1971594760 @default.
• W4224251143 cites W1976267576 @default.
• W4224251143 cites W1977385910 @default.
• W4224251143 cites W1980910208 @default.
• W4224251143 cites W1989050618 @default.
• W4224251143 cites W1990227799 @default.
• W4224251143 cites W1993686377 @default.
• W4224251143 cites W1995471679 @default.
• W4224251143 cites W2005321165 @default.
• W4224251143 cites W2005480194 @default.
• W4224251143 cites W2010300772 @default.
• W4224251143 cites W2012016270 @default.
• W4224251143 cites W2018999844 @default.
• W4224251143 cites W2021022927 @default.
• W4224251143 cites W2025308240 @default.
• W4224251143 cites W2029557784 @default.
• W4224251143 cites W2031871643 @default.
• W4224251143 cites W2032806381 @default.
• W4224251143 cites W2034023444 @default.
• W4224251143 cites W2034705058 @default.
• W4224251143 cites W2035631448 @default.
• W4224251143 cites W2040975251 @default.
• W4224251143 cites W2041900866 @default.
• W4224251143 cites W2041955148 @default.
• W4224251143 cites W2044209766 @default.
• W4224251143 cites W2044487919 @default.
• W4224251143 cites W2044567705 @default.
• W4224251143 cites W2045019697 @default.
• W4224251143 cites W2054226696 @default.
• W4224251143 cites W2055432239 @default.
• W4224251143 cites W2057002086 @default.
• W4224251143 cites W2064248261 @default.
• W4224251143 cites W2065531835 @default.
• W4224251143 cites W2069724073 @default.
• W4224251143 cites W2071758215 @default.
• W4224251143 cites W2075251787 @default.
• W4224251143 cites W2077737463 @default.
• W4224251143 cites W2078502825 @default.
• W4224251143 cites W2079379878 @default.
• W4224251143 cites W2080175917 @default.
• W4224251143 cites W2081055779 @default.
• W4224251143 cites W2084064600 @default.
• W4224251143 cites W2085031362 @default.
• W4224251143 cites W2086712735 @default.
• W4224251143 cites W2088381531 @default.
• W4224251143 cites W2089598085 @default.
• W4224251143 cites W2092866807 @default.
• W4224251143 cites W2097033979 @default.
• W4224251143 cites W2100253244 @default.
• W4224251143 cites W2100674859 @default.
• W4224251143 cites W2102845953 @default.
• W4224251143 cites W2105367681 @default.
• W4224251143 cites W2105478611 @default.
• W4224251143 cites W2106050176 @default.
• W4224251143 cites W2106350067 @default.
• W4224251143 cites W2107352804 @default.
• W4224251143 cites W2108072766 @default.
• W4224251143 cites W2109395173 @default.
• W4224251143 cites W2111310027 @default.
• W4224251143 cites W2114577928 @default.
• W4224251143 cites W2117057636 @default.
• W4224251143 cites W2119136473 @default.
• W4224251143 cites W2119253142 @default.
• W4224251143 cites W2119967243 @default.
• W4224251143 cites W2120162798 @default.
• W4224251143 cites W2127769644 @default.
• W4224251143 cites W2128776046 @default.
• W4224251143 cites W2130867098 @default.
• W4224251143 cites W2133938291 @default.
• W4224251143 cites W2134482849 @default.
• W4224251143 cites W2135970293 @default.
• W4224251143 cites W2141068134 @default.
• W4224251143 cites W2152669804 @default.

• next