Geofluids

Research Article

U–Pb Dating and Hf Isotopes Analysis of Detrital Zircons of the Shanxi Formation in the Otuokeqi Area, Northwestern Ordos Basin

Table 2

Hf isotope analyses of zircons for the samples of the study area.


Sample name	Age (Ma)	¹⁷⁶Yb/¹⁷⁷Hf	1 s	¹⁷⁶Lu/¹⁷⁷Hf	1 s	¹⁷⁶Hf/¹⁷⁷Hf	1 s		(Ma)	(Ma)	f_Lu/Hf

E59-022	270.3	0.021354	0.000214	0.000858	0.000008	0.282446	0.000020	-5.76	1136.6	1660.2	-0.974154377
E59-023	269	0.013658	0.000018	0.000516	0.000001	0.282347	0.000023	-9.23	1263.3	1878.8	-0.984459777
E59-027	322.9	0.027444	0.000201	0.000967	0.000007	0.282634	0.000026	2.02	874.6	1205.5	-0.970877723
E59-031	423	0.004245	0.000014	0.000150	0.000001	0.282486	0.000023	-0.84	1059.9	1464.0	-0.995491533
E59-036	330.2	0.015813	0.000080	0.000601	0.000003	0.282268	0.000023	-10.73	1375.9	2019.4	-0.981886563
E59-037	320.7	0.031061	0.000386	0.001160	0.000016	0.282151	0.000018	-15.17	1559.2	2291.7	-0.965074096
E59-038	311.2	0.013360	0.000157	0.000510	0.000005	0.282273	0.000021	-10.93	1365.3	2018.1	-0.984650768
E59-039	289.5	0.018146	0.000092	0.000645	0.000003	0.282455	0.000019	-4.97	1117.1	1624.7	-0.98056678
E59-042	298.7	0.025067	0.000073	0.000861	0.000003	0.282628	0.000018	1.28	881.9	1234.2	-0.974067401
E59-045	321.4	0.018095	0.000174	0.000693	0.000006	0.282231	0.000032	-12.23	1429.6	2107.2	-0.979134346
E59-046	299.7	0.019758	0.000027	0.000715	0.000001	0.282507	0.000020	-2.93	1046.9	1503.0	-0.978469587
E59-049	395.6	0.023534	0.000059	0.000923	0.000002	0.282226	0.000021	-10.85	1444.8	2076.1	-0.972206021
E59-050	420.6	0.020822	0.000032	0.000784	0.000001	0.282293	0.000018	-7.92	1347.1	1909.9	-0.976396753
E59-054	431.2	0.018511	0.000099	0.000694	0.000004	0.282260	0.000018	-8.83	1389.4	1975.2	-0.979088331
E59-055	305.6	0.019686	0.000169	0.000828	0.000007	0.282422	0.000019	-5.83	1168.4	1690.9	-0.975074304
E59-066	340.8	0.008624	0.000233	0.000368	0.000008	0.282224	0.000018	-11.99	1427.5	2107.0	-0.988926928
E59-083	355.7	0.025528	0.000054	0.000935	0.000002	0.282164	0.000019	-13.91	1531.8	2238.6	-0.971824271
E59-085	309	0.019663	0.000069	0.000817	0.000002	0.282504	0.000019	-2.86	1053.7	1505.1	-0.975390027
E59-091	324.9	0.015784	0.000087	0.000587	0.000003	0.282556	0.000025	-0.63	975.2	1375.7	-0.982325108
E59-096	474.8	0.028597	0.000284	0.001080	0.000010	0.282609	0.000021	4.33	913.9	1175.0	-0.967455934
E59-101	324.5	0.045566	0.000163	0.001526	0.000006	0.282243	0.000022	-11.91	1444.2	2089.0	-0.954031657
E59-106	294.3	0.040962	0.000549	0.001534	0.000020	0.282369	0.000025	-8.11	1266.9	1826.5	-0.953794578
E59-113	428.3	0.023718	0.000133	0.000849	0.000005	0.282147	0.000019	-12.94	1552.4	2232.2	-0.974435946
E59-118	428	0.007083	0.000020	0.000243	0.000001	0.282259	0.000023	-8.81	1374.7	1971.7	-0.992676819
E59-122	318	0.021532	0.000048	0.000793	0.000002	0.282060	0.000019	-18.36	1669.8	2490.6	-0.976114864
E59-129	420.6	0.016077	0.000174	0.000565	0.000006	0.282160	0.000017	-12.57	1523.1	2203.1	-0.982967961
E59-126	328.1	0.060871	0.000690	0.002152	0.000024	0.282389	0.000030	-6.82	1259.3	1770.6	-0.935172048
S100-003	286.7	0.029316	0.000031	0.001071	0.000001	0.282458	0.000016	-5.03	1126.4	1626.3	-0.967746265
S100-042	351.5	0.048182	0.000153	0.001571	0.000006	0.282270	0.000024	-10.41	1408.6	2015.2	-0.952667259
S100-058	341.6	0.031490	0.000180	0.001146	0.000006	0.282373	0.000022	-6.87	1247.6	1784.0	-0.965494096
S100-060	302.6	0.033831	0.000140	0.001201	0.000004	0.282409	0.000018	-6.45	1199.2	1727.9	-0.963815663
S100-076	296.1	0.026939	0.000023	0.000989	0.000001	0.282431	0.000014	-5.76	1161.2	1679.1	-0.970209545
S100-095	323.6	0.050873	0.000062	0.001815	0.000003	0.282326	0.000021	-9.05	1337.0	1908.0	-0.945335301
S100-097	301.2	0.018165	0.000025	0.000657	0.000001	0.282167	0.000015	-14.94	1517.5	2262.9	-0.98020887
S100-099	302.6	0.044649	0.000115	0.001576	0.000004	0.282367	0.000019	-7.99	1270.3	1825.4	-0.95252991
S100-101	305	0.034892	0.000313	0.001244	0.000011	0.282357	0.000020	-8.24	1273.7	1843.2	-0.962532319
S100-120	300.9	0.030852	0.000148	0.001117	0.000004	0.282475	0.000019	-4.12	1103.3	1579.3	-0.966364578
S100-123	424.1	0.015654	0.000042	0.000545	0.000002	0.282232	0.000016	-9.94	1422.9	2039.9	-0.983574099