Supplementary data 7. Sr-Nd isotopic compositions of selected samples from the Xiaohekou complex
Sample	Rock type	87Rb/86Sr	87Sr/86Sr	2σ	ISr	147Sm/144Nd	143Nd/144Nd	2σ	εNd(t)	
XH32-4	Pyroxenite	0.1259	0.707395	7	0.707162	0.1504	0.511990	2	-11.9	
XH33-7	Pyroxenite	0.4993	0.708614	6	0.707691	0.1547	0.511939	3	-12.9	
06XH03-2	Pyroxenite	0.0641	0.707536	2	0.707418	0.1425	0.511852	1	-14.4	
06XH01-1	Pyroxenite	0.2976	0.708055	2	0.707505	0.1534	0.511955	1	-12.6	
XH25-1	Pyroxenite	0.1618	0.705580	8	0.705281	0.1445	0.511896	2	-13.6	
06XH02-3	Gabbro	0.1209	0.706881	2	0.706658	0.1271	0.512115	1	-9.1	
06XH02-7	Gabbronorite	0.2267	0.707954	3	0.707535	0.1096	0.511601	1	-18.8	
XH30-1	Gabbronorite	0.0292	0.707836	6	0.707782	0.1202	0.511857	1	-14.0	
XH33-3	Gabbronorite	0.0129	0.707864	7	0.707840	0.1179	0.511808	1	-14.9	
XH10-3	Olivine gabbronorite dyke	0.0167	0.707266	12	0.707235	0.1509	0.512100	4	-9.7	
XH11-5	Olivine gabbronorite dyke	0.0117	0.707150	7	0.707128	0.1491	0.512141	3	-8.9	
XH13-5	Olivine gabbronorite dyke	0.0115	0.707272	5	0.707251	0.1385	0.512125	2	-9.0	
XH20-1	Gabbro	0.0294	0.707418	5	0.707364	0.1322	0.511889	4	-13.5	
XH12-1	Gabbro	0.0402	0.708011	7	0.707937	0.1214	0.511825	2	-14.6	
06XH01-2	Gabbro	0.0360	0.707520	2	0.707454	0.2007	0.511900	1	-14.5	
06XH03-1	Leucogabbro	0.0327	0.707496	2	0.707436	0.1191	0.511890	1	-13.3	
XH03-6	Leucogabbro	0.0267	0.707475	4	0.707426	0.1333	0.511877	3	-13.8	
XH32-2	Monzonite	0.3319	0.708656	6	0.708043	0.1073	0.511800	1	-14.9	
XH35-1	Monzonite	0.4679	0.708908	7	0.708044	0.1015	0.511770	1	-15.4	
XH37-1	Diorite	0.0648	0.707798	6	0.707678	0.1113	0.511536	2	-20.1	
06XH02-2	Monzonite	0.4595	0.708904	2	0.708055	0.0972	0.511762	1	-15.4	
XH34-1	Quartz monzonite	0.2794	0.708521	8	0.708005	0.1009	0.511504	3	-20.5