Tide-dominated deltas responding to high-frequency sea-level changes, pre-messinian Rifian Corridor, Morocco: Discussion
Metadatos
Mostrar el registro completo del ítemEditorial
SEPM Society for Sedimentary Geology
Fecha
2021-08-27Referencia bibliográfica
Wouter de Weger... [et al.]. Tide-dominated deltas responding to high-frequency sea-level changes, Pre-Messinian Rifian Corridor, Morocco: Discussion. Journal of Sedimentary Research 2021;; 91 (8): 876–879. doi: [https://doi.org/10.2110/jsr.2021.030]
Resumen
Beelen et. al. (2020) reinterpreted the late Miocene contourite
depositional system of the Saiss Basin in the Rifian Corridor, Morocco
(Capella et al. 2017; de Weger et al. 2020), as a tide-dominated delta
environment that responded to high-frequency sea-level changes. Despite
the authors stimulating a valuable discussion on the interpretation of the
studied deposits, their proposed depositional system seems largely based
on erroneous interpretations of the data that are misleading for the reader
who is unfamiliar with the geological framework of the study area. Based
on i) issues with spatial location of the outcrops they interpreted relative to
known tectonic structures, ii) poor or contradictory age control that suggest
that the studied outcrops are the same age, iii) evidence from faunal and
sedimentary structures that better supports a deep-water setting, and iv) a
lack of evidence to support the necessarily high-amplitude relative or
eustatic sea-level changes, we consider that the balance of evidence
recognized in these outcrops better supports a deep-water setting. With this
comment we would like to address these inconsistencies and express our
concerns about the train of thought used by Beelen et al. for their
interpretation of shallow-marine rather than deep-marine depositional
settings for the studied intervals.