Geochemical Assessment of Oligocene Limestone for Conceivable Use as Raw Material for Portland Cement in Sangaw Area, Iraqi Kurdistan: Geochemical Assessment of Oligocene Limestone for Conceivable Use as Raw Material for Portland Cement in Sangaw Area, Iraqi Kurdistan. (2024). Tikrit Journal of Pure Science, 29(3), 39-46. https://doi.org/10.25130/tjps.v29i3.1601