Geochemical and C-O isotopic study of ∼2-1.9 Ga phosphate-bearing marine sedimentary rocks of the Sonrai Formation, Bijawar Group, Lalitpur district, UP, India: Implications for paleoredox, paleoclimate, and paleosalinity

Autor: Dar, Shamim A., Khan, K.F., Mir, Akhtar R., Komiya, Tsuyoshi, Absar, Nurul, Shuaib, Mohd, Raza, Waseem
Zdroj: Geosystems and Geoenvironment; February 2025, Vol. 4 Issue: 1
Abstrakt: •Dysoxic to anoxic depositional environment of Sonrai phosphorite.•Warm and humid climatic conditions existed during the Paleoproterozoic.•Deposition in brackish to marine saline water conditions.•Positive δ13CPDBvalues correlate with 1.95–1.88 Ga global marine carbonates.
Databáze: Supplemental Index