Provenance, environments, and tectonic signatures of Tanjong-Sandakan Formations, Northeast Sabah, Malaysia: Implications from sedimentology, palynology, and geochemistry.

ABSTRACT: This study investigates marginal marine deposits found in the Tanjong and Sandakan formations from the Early to Late Miocene in Northeast Sabah. It examines sedimentology, trace elements (TE), rare earth elements (REE), hydrocarbon generation potential, and palynology to understand provenance, depositional environments, and paleoenvironmental conditions. Facies analysis identified four associations in the Tanjong and three in the Sandakan Formation, ranging from fluvial-deltaic to shallow marine environments. Mangrove-associated taxa, herbaceous and tree ferns typical of freshwater swamps, and coastal plants indicate a transition zone between terrestrial and marine environments. Siliciclastic deposits in the Northeast Sabah basin show varying redox conditions, ranging from dysoxic to oxic,

SUBMITTER: Abd Halim MF 

PROVIDER: S-EPMC11635715 | biostudies-literature | 2024 Dec

REPOSITORIES: biostudies-literature