赣中大王山石英脉型钨钼多金属矿床成岩成矿年代学及其地质意义

杨庆坤, 张小亮, 华琛, 于玉帅, 周万蓬

Petrogenic and metallogenic geochronology and its geological significance of the Dawangshan quartz vein type scheelite-molybdenite polymetallic deposit in central Jiangxi Province

Qing-Kun YANG, Xiao-Liang ZHANG, Chen HUA, Yu-Shuai YU, Wan-Peng ZHOU

表1 大王山矿床细粒花岗岩锆石LA-ICPMS U-Pb同位素分析结果

Table 1 Results of zircon LA-ICP-MS U-Pb ages for ore-bearing granites from the Dawangshan deposit

样号	w(U) /10^-6	w(Th) /10^-6	w(Th) /w(U)	同位素比值								年龄/Ma
样号	w(U) /10^-6	w(Th) /10^-6	w(Th) /w(U)	$\frac{^{207} Pb}{^{206} Pb}$	1σ	$\frac{^{207} Pb}{^{235} U}$	1σ	$\frac{^{206} Pb}{^{238} U}$	1σ	$\frac{^{208} Pb}{^{232} Th}$	1σ	$\frac{^{207} Pb}{^{206} Pb}$	1σ	$\frac{^{207} Pb}{^{235} U}$	1σ	$\frac{^{206} Pb}{^{238} U}$	1σ	$\frac{^{208} Pb}{^{232} Th}$	1σ
DWS17-1-1	863	364	0.42	0.0502	0.00106	0.1575	0.00345	0.0228	0.00030	0.0074	0.00018	204.2	49	148.5	3	145.4	2	149.9	4
DWS17-1-2	1463	506	0.35	0.0485	0.00096	0.1528	0.00314	0.0228	0.00027	0.0080	0.00016	124.2	47	144.4	3	145.6	2	160.3	3
DWS17-1-3	331	192	0.58	0.0487	0.00200	0.1530	0.00637	0.0229	0.00039	0.0077	0.00022	135.2	97	144.6	6	146.1	2	154.6	4
DWS17-1-4	3534	900	0.25	0.0510	0.00128	0.1596	0.00572	0.0228	0.00064	0.0080	0.00025	241.3	58	150.3	5	145.3	4	160.4	5
DWS17-1-5	416	225	0.54	0.0495	0.00163	0.1542	0.00507	0.0227	0.00037	0.0087	0.00028	169.5	77	145.6	4	144.6	2	174.1	6
DWS17-1-6	235	108	0.46	0.0487	0.00163	0.1525	0.00514	0.0228	0.00032	0.0078	0.00022	132.0	79	144.1	5	145.1	2	157.9	4
DWS17-1-7	309	212	0.68	0.0485	0.00145	0.1512	0.00452	0.0227	0.00031	0.0084	0.00023	124.0	70	143.0	4	144.6	2	168.9	5
DWS17-1-8	197	100	0.51	0.0506	0.00155	0.1592	0.00508	0.0228	0.00031	0.0074	0.00027	221.6	71	150.0	4	145.5	2	149.4	5
DWS17-1-9	595	277	0.47	0.0507	0.00189	0.1587	0.00734	0.0228	0.00056	0.0072	0.00042	225.6	86	149.6	6	145.5	4	145.1	8
DWS17-1-10	543	168	0.31	0.0489	0.00148	0.1540	0.00482	0.0229	0.00036	0.0082	0.00026	144.2	71	145.5	4	146.1	2	166.0	5
DWS17-1-11	332	176	0.53	0.0490	0.00225	0.1539	0.00634	0.0230	0.00057	0.0086	0.00027	150.2	108	145.4	6	146.7	4	173.2	5
DWS17-1-12	514	235	0.46	0.0485	0.00091	0.1512	0.00308	0.0226	0.00029	0.0077	0.00015	126.1	44	143.0	3	143.8	2	155.1	3
DWS17-1-13	328	168	0.51	0.0490	0.00137	0.1558	0.00482	0.0229	0.00032	0.0084	0.00020	146.7	66	147.0	4	146.2	2	168.6	4
DWS17-1-14	687	304	0.44	0.0497	0.00129	0.1568	0.00397	0.0230	0.00034	0.0076	0.00018	182.9	61	147.9	3	146.4	2	153.6	4
DWS17-1-15	209	156	0.75	0.0486	0.00198	0.1522	0.00633	0.0229	0.00039	0.0080	0.00027	128.5	96	143.9	6	145.9	2	161.9	5
DWS17-1-16	266	140	0.53	0.0500	0.00165	0.1557	0.00493	0.0228	0.00031	0.0077	0.00020	195.9	77	146.9	4	145.2	2	154.8	4
DWS17-1-17	360	164	0.46	0.0493	0.00154	0.1518	0.00480	0.0224	0.00038	0.0082	0.00026	161.1	73	143.5	4	142.9	2	164.4	5
DWS17-1-18	187	94	0.50	0.0511	0.00231	0.1565	0.00615	0.0227	0.00064	0.0084	0.00037	246.9	104	147.6	5	144.8	4	169.0	7
DWS17-1-19	405	205	0.51	0.0506	0.00177	0.1559	0.00551	0.0224	0.00031	0.0074	0.00024	222.0	81	147.1	5	142.7	2	148.1	5
DWS17-1-20	291	183	0.63	0.0498	0.00182	0.1559	0.00550	0.0229	0.00032	0.0079	0.00022	184.2	85	147.2	5	145.9	2	159.1	4
DWS17-1-21	493	221	0.45	0.0494	0.00141	0.1537	0.00386	0.0228	0.00038	0.0079	0.00022	168.8	67	145.1	3	145.2	2	158.5	4
DWS17-1-22	379	169	0.45	0.0505	0.00156	0.1569	0.00442	0.0228	0.00036	0.0079	0.00025	218.8	72	148.0	4	145.4	2	158.4	5
DWS17-1-23	378	184	0.49	0.0486	0.00152	0.1519	0.00466	0.0228	0.00036	0.0075	0.00025	130.0	74	143.6	4	145.0	2	151.2	5
DWS17-1-24	210	107	0.51	0.0493	0.00202	0.1535	0.00635	0.0227	0.00035	0.0075	0.00027	160.7	96	145.0	6	144.6	2	151.1	5