Petrogenesis and tectonic significance of the Maliqing gabbros in the eastern margin of Lanping Basin, SW China: geochemical, Sr–Nd–Hf isotopic compositions, and geochronological evidence - HongLin Zhou; Wei Wang; JiaHui Zhang; QingQing Yang; ZhengQiao Li; ZhiPeng Xie; ChuanDong Xue (Acta Geochimica, 2026)