Platform subsidence mechanisms and “eustatic” sea-level changes
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Cited by (49)
Cenozoic upper mantle flow history of the Atlantic realm based on Couette/Poiseuille models: Towards paleo-mantle-flowgraphy
2023, Physics of the Earth and Planetary InteriorsEdiacaran stratigraphy and paleogeography in the north Yangtze Block, South China
2023, Sedimentary GeologyCitation Excerpt :In this period, the north Yangtze Block was generally in an extensional passive margin background. Consequently, thermal subsidence near the ocean basin was larger than that on the platform as demonstrated by Sleep (1976), Turcotte and Ahern (1977), and McKenzie et al. (2005). The Doushantuo Formation is a mixed sedimentary succession composed mainly of siliciclastic rocks with minor carbonate rocks, and gradually thickened from the Hannan Oldland to the basin.
Models of organic enrichment in epicontinental basins: Applications of a large organic geochemical dataset from the Cretaceous Western Interior Seaway
2022, Cretaceous ResearchCitation Excerpt :Globally, Cretaceous orbitally forced glacio-eustatic 3rd order fluctuations have been estimated to be approximately 30–65 m, with ranges of up to 41 m in the WIS (Ray et al., 2019). Most estimates of global sea-level in the Cretaceous range between 220 and 325 m higher than present day (Sleep, 1976; Harrison et al., 1981; Kominz, 1984; Haq et al., 1987; McDonough and Cross, 1991; Hay, 2017). Water depth in the central WIS is estimated to be in the region of 100–300 m during peak Greenhorn highstand (Hattin, 1982; Ericksen and Slingerland, 1990; Arthur and Sageman, 1994), although evidence suggests water depths did not exceed 50–100 m in the Colorado Group of Canada (Nielsen et al., 2008; Plint et al., 2012).
Influence of bathymetry and oceanic currents on the development of carbonate platforms: Northern Carnarvon Basin, Northwest Shelf of Australia
2016, Marine and Petroleum GeologyCitation Excerpt :An alternative mechanism for differential subsidence across a continental shelf is dynamic topography. This effect has been proposed as the result of drawdown of the Earth's surface by deep mantle convection patterns (Sleep, 1976; Gurnis, 1990; Russell and Gurnis, 1994). Recent work in this topic suggests that mantle convection patterns could have resulted in temporal and spatial variations in subsidence rates along the NCB area through the Cenozoic (Heine et al., 2010; Czarnota et al., 2013).
Epeirogeny or eustasy? Paleozoic-Mesozoic vertical motion of the North American continental interior from thermochronometry and implications for mantle dynamics
2012, Earth and Planetary Science LettersCitation Excerpt :These Cretaceous strata are part of a thicker package of Phanerozoic sedimentary rocks that overlie much of the North American cratonic interior (Sloss, 1963). A longstanding debate exists over whether vertical cratonic motions (Algeo and Seslavinsky, 1995; Bond and Kominz, 1991) attributable to dynamic topography must also be invoked to explain the distribution of the Paleozoic cratonic sequences (Burgess and Gurnis, 1995; Pysklywec and Mitrovica, 2000), or if eustatic sea level change alone can account for their deposition (Sleep, 1976). Here we address this problem by applying low temperature thermochronometry to exposed Proterozoic and Archean basement samples from an ~ 1300 km long swath of the western Canadian shield (Fig. 1).