Large igneous provinces (LIPs) are mostly eroded in deep time; nevertheless, their plumbing systems remained in the crust and weathered materials may be traced in basins. Vestiges of the early Neoproterozoic LIPs are investigated in the North China craton. Two large doleritic sills are dated at ca. 940 Ma and ca. 890 Ma in the Pyongnam basin in Korean peninsula, which are comparable with those coeval ones in the other two basins of the Xuhuai rift. Both of them are featured by ocean island basalt-akin trace element patterns. The ca. 890 Ma sills show stronger depletion in mobile elements, and slightly higher differentiated light and heavy rare earth elements than the ca. 940 Ma sills. They are also chemically affinitive with the ca. 920 Ma Dashigou LIP, but with slightly higher MgO and total alkalis and more differentiated light and heavy rare earth elements. This may indicate a similar (plume) source with probably lower degrees of partial melting in the source region(s) in the magma chamber than the 920 Ma one. Together with the Dashigou, they comprise a cluster of LIPs from the same plume with sequential peaks at ca. 940 Ma, 920 Ma and 890 Ma. Ages of sills and the youngest detrital zircons constrain the sediments to be within 1160–940 Ma for the 940 Ma sill-hosting lower-middle section (e.g., Jikhyon-Mukchon groups) and 940–890 Ma for the 940 Ma-sill free upper section (e.g., Myoraksan Group). A synthetic dataset of all the three basins of the Xuhuai rift reveals a similar depositional age and a similar major provenance (940–900 Ma) for the black-greenish shale-featured formations (e.g., Socheong-Xingmincun-Jinshanzhai formations), which are right above the carbonates with negative inorganic carbon (Majiatun) excursion across much of the Xuhuai rift. The significant 940–900 Ma provenance is featured by zircons resemble those from the local LIPs. It is possible that the provenance was the relevant extrusive rocks of the 940–890 Ma LIPs. This further implies that the ca. 940–920 Ma Majiatun excursion is concurrent with the LIP cluster and is possibly a result of instant turbulence of carbon cycle by the LIPs.