@inbook {6201,
	title = {Taphonomy of Recent Bioclastic Deposits from the Southern Brazil Shelf: Stratigraphic Potential},
	booktitle = {Actualistic Taphonomy in South America},
	year = {2020},
	note = {n/a},
	month = {2020},
	pages = {1 - 16},
	publisher = {Springer International Publishing},
	organization = {Springer International Publishing},
	address = {Cham},
	abstract = {<p>In the Southern Brazil ShelfSouthern Brazil Shelf (SBS), surface bioclastic concentrationsBioclastic concentrations are associated with putative paleo-shorelines formed where wave ravinement surfaces are probably present. From the late Last Glacial Maximum, the SBS can be considered a sediment-starved passive margin continental shelf, with its morphostructural development fairly known. There, fourteen molluscan shell samples from near shelf-break deposits ({\textquotedblleft}distal shell-rich{\textquotedblright}), eleven from proximal, low depth bioclastic deposits ({\textquotedblleft}proximal shell-rich{\textquotedblright}) and ten samples from sandy substrate ({\textquotedblleft}shell-poor{\textquotedblright}) were evaluated for taphonomic damage accordingly to updated protocols. Multivariate statistical analysis showed significant differences between the three groups of shelly samples. Low-intensity damage states (such as natural bright and ornamentation) dominate samples from the distal shell-rich deposit, whereas the inverse occurs in the proximal deposit (samples from the shell-poor locations present an intermediate damage pattern). This pattern is consistent either with onlap/toplap and backlap shell bedShell bed formation, according to characteristics determined in the literature. The condition of these three areas may reflect degrees of exposure at the taphonomically-active zone, the magnitude of time averagingTime-averaging and duration of shell accumulation, and even the lack of shelf accommodation space, which in turn is related to glacioeustatic sea-level oscillations.</p>
},
	isbn = {978-3-030-20625-3},
	url = {https://doi.org/10.1007/978-3-030-20625-3_1},
	author = {Erthal, Fernando and MATIAS DO NASCIMENTO RITTER},
	editor = {Mart{\'\i}nez, Sergio and Rojas, Alejandra and Cabrera, Fernanda}
}
