Stratigraphic arcitecture & depositional evolution of the upper triassic Charlie Lake formation

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Arid mixed siliciclastic-carbonate coastal and marginal marine depositional systems are characterized by a high degree of complexity and internal heterogeneity. As well as complex interfingering of lithologies reflecting environmental shifts related to shoreline migration, tectonic subsidence and eustatic sea-level rise or fall these successions are strongly influenced by transient phenomena such as discharge of ephemeral rivers (and concomitant construction of short-lived deltaic successions) or the migration of aeolian dunes of various sizes through a coastal plain dominated by sabkhas and shore-parallel lagoons.