Petrogenesis and tectonic implications of the Late Palaeozoic Koga alkaline–carbonatite complex, NW Pakistan: insights from U–Pb geochronology, geochemistry, and Sr–Nd–C–O isotopes - Asad Khan; Zaheen Ullah; Huan Li; Shah Faisal; Delores M. Robinson; Muhammad Farhan; Nasir Ahmad (International Geology Review, 2026)