Matches in SemOpenAlex for { <https://semopenalex.org/work/W2528289321> ?p ?o ?g. }
- W2528289321 endingPage "285" @default.
- W2528289321 startingPage "252" @default.
- W2528289321 abstract "A 101 m thick stratigraphically complete late Coniacian–early Santonian (ca 89 to 83 Ma) sedimentary sequence drilled in Tanzania (Tanzania Drilling Project Site 39) allows, for the first time, examination of the planktonic foraminiferal biostratigraphy and evolution, the depositional history, and geochemical patterns of the subtropical–tropical Indian Ocean region. The sedimentary succession corresponds to an outer shelf to upper slope setting and is dominated by calcareous clayey siltstones and mudstones. The occurrences of Tethyan marker species enable application of the tropical biozonation including identification of the Dicarinella concavata and Dicarinella asymetrica Zones. In addition, Tanzania Drilling Project Site 39 is proposed as reference section for the Coniacian/Santonian boundary in the Indian Ocean with the boundary placed at the lowest occurrence of Globotruncana linneiana in agreement with the Global Stratotype Section and Point (Spain). The record at Tanzania Drilling Project Site 39 provides a unique opportunity to document the planktonic foraminiferal evolution in a subtropical marginal sea environment during a key period in their evolutionary history characterized by a major radiation among the deep-dwelling taxa. Combined documentation of lithological and geochemical changes (%CaCO3, %Corg, δ13Ccarb and δ18Ocarb) reveals a setting influenced by continental-derived nutrients in the Dicarinella concavata Zone (Lindi Formation) with a change to higher carbonate production and reduced surface water primary productivity in the overlying Dicarinella asymetrica Zone (Nangurukuru Formation). Planktonic foraminiferal assemblage changes mirror the depositional and geochemical trends and indicate a progressive shift from a more eutrophic to a more oligotrophic regime through time. At the local scale, this palaeoceanographic scenario is consistent with the deepening of coastal Tanzania in response to the Late Cretaceous marine transgression registered in south-east Tanzania. Because the tectonic evolution and sea-level rise along the East Africa continental margin is superimposed on the Coniacian–Campanian global long-term sea-level high, this study hypothesizes that the epicontinental invasion of blue waters may have favoured radiation among deep-dwelling taxa." @default.
- W2528289321 created "2016-10-14" @default.
- W2528289321 creator A5013301552 @default.
- W2528289321 creator A5038391692 @default.
- W2528289321 creator A5041891186 @default.
- W2528289321 creator A5043089637 @default.
- W2528289321 creator A5091334410 @default.
- W2528289321 date "2016-12-09" @default.
- W2528289321 modified "2023-10-16" @default.
- W2528289321 title "The Coniacian–Santonian sedimentary record in southern Tanzania (Ruvuma Basin, East Africa): Planktonic foraminiferal evolutionary, geochemical and palaeoceanographic patterns" @default.
- W2528289321 cites W1578535792 @default.
- W2528289321 cites W1639686691 @default.
- W2528289321 cites W1672836812 @default.
- W2528289321 cites W1707060125 @default.
- W2528289321 cites W1795237649 @default.
- W2528289321 cites W1874262011 @default.
- W2528289321 cites W1964489650 @default.
- W2528289321 cites W1964919421 @default.
- W2528289321 cites W1966660641 @default.
- W2528289321 cites W1966754504 @default.
- W2528289321 cites W1967223833 @default.
- W2528289321 cites W1967565434 @default.
- W2528289321 cites W1968173901 @default.
- W2528289321 cites W1969766580 @default.
- W2528289321 cites W1970151047 @default.
- W2528289321 cites W1972232175 @default.
- W2528289321 cites W1973786683 @default.
- W2528289321 cites W1973831813 @default.
- W2528289321 cites W1973874177 @default.
- W2528289321 cites W1974796582 @default.
- W2528289321 cites W1974987937 @default.
- W2528289321 cites W1975257856 @default.
- W2528289321 cites W1978604847 @default.
- W2528289321 cites W1980434022 @default.
- W2528289321 cites W1981398111 @default.
- W2528289321 cites W1987593072 @default.
- W2528289321 cites W1987737904 @default.
- W2528289321 cites W1993331028 @default.
- W2528289321 cites W1993996833 @default.
- W2528289321 cites W2000104053 @default.
- W2528289321 cites W2001460504 @default.
- W2528289321 cites W2004288273 @default.
- W2528289321 cites W2008372611 @default.
- W2528289321 cites W2010952555 @default.
- W2528289321 cites W2011876247 @default.
- W2528289321 cites W2013513996 @default.
- W2528289321 cites W2013977351 @default.
- W2528289321 cites W2014679984 @default.
- W2528289321 cites W2016036685 @default.
- W2528289321 cites W2017463094 @default.
- W2528289321 cites W2017579722 @default.
- W2528289321 cites W2018248593 @default.
- W2528289321 cites W2018576830 @default.
- W2528289321 cites W2020318715 @default.
- W2528289321 cites W2021620682 @default.
- W2528289321 cites W2023964485 @default.
- W2528289321 cites W2026010833 @default.
- W2528289321 cites W2030700208 @default.
- W2528289321 cites W2037019375 @default.
- W2528289321 cites W2039854794 @default.
- W2528289321 cites W2041236000 @default.
- W2528289321 cites W2044942836 @default.
- W2528289321 cites W2049369352 @default.
- W2528289321 cites W2055607457 @default.
- W2528289321 cites W2061680126 @default.
- W2528289321 cites W2061952742 @default.
- W2528289321 cites W2062565397 @default.
- W2528289321 cites W2063028409 @default.
- W2528289321 cites W2066113217 @default.
- W2528289321 cites W2066476389 @default.
- W2528289321 cites W2066770188 @default.
- W2528289321 cites W2069258787 @default.
- W2528289321 cites W2069677027 @default.
- W2528289321 cites W2070059564 @default.
- W2528289321 cites W2071598638 @default.
- W2528289321 cites W2071693234 @default.
- W2528289321 cites W2077053821 @default.
- W2528289321 cites W2077676446 @default.
- W2528289321 cites W2077897173 @default.
- W2528289321 cites W2083136925 @default.
- W2528289321 cites W2083143741 @default.
- W2528289321 cites W2084696937 @default.
- W2528289321 cites W2086254897 @default.
- W2528289321 cites W2105686825 @default.
- W2528289321 cites W2108570205 @default.
- W2528289321 cites W2109997965 @default.
- W2528289321 cites W2114261226 @default.
- W2528289321 cites W2114489696 @default.
- W2528289321 cites W2117913067 @default.
- W2528289321 cites W2118238275 @default.
- W2528289321 cites W2121332175 @default.
- W2528289321 cites W2124272991 @default.
- W2528289321 cites W2126505854 @default.
- W2528289321 cites W2126916104 @default.
- W2528289321 cites W2130375829 @default.
- W2528289321 cites W2131353967 @default.
- W2528289321 cites W2133734728 @default.
- W2528289321 cites W2151824507 @default.