Geochemistry of rocks (Late Cretaceous) in the Anambra Basin, SE Nigeria: insights into provenance, tectonic setting, and other palaeo-conditions
Omabehere Innocent Ejeh
Abstract
, weathering indices (PIA, CIW, and CIA), and Sr/Cu and Rb/Sr ratios; as well as U, Mo, Th/U, V/Cr, V/Sc, U/Th, and Ce/Ce∗ all suggested warm to hot, humid and/or arid palaeo-climate in an oxic palaeo-redox condition during the accumulation of the examined samples.
Topics & Concepts
ProvenanceGeologyGeochemistryFelsicMaficWeatheringPlagioclaseBasementTectonicsCretaceousTrace elementSource rockPetrologyStructural basinGeomorphologyQuartzPaleontologyCivil engineeringEngineeringGeochemistry and Elemental AnalysisGeochemistry and Geologic MappingRadioactive element chemistry and processing