东昆仑迈龙金矿区花岗质岩浆岩锆石U-Pb定年和地球化学特征及其地质意义

于小亮; 李华; 魏小林; 张晖青; 李杰; 谷超; 童海奎; 陈华勇; 肖兵; 汪浩; 张斌顺

doi:10.3799/dqkx.2025.046

东昆仑迈龙金矿区花岗质岩浆岩锆石U-Pb定年和地球化学特征及其地质意义

doi: 10.3799/dqkx.2025.046

于小亮^{1, 2, 3, ,},
李华³,
魏小林³,
张晖青³,
李杰³,
谷超³,
童海奎³,
陈华勇⁴,
肖兵^4, ,,
汪浩⁴,
张斌顺⁵

1.
中国科学院青藏高原研究所, 北京 100101
2.
中国科学院大学, 北京 100049
3.
青海省地质调查局, 自然资源部高原荒漠区战略性矿产勘查开发技术创新中心, 青海西宁 810001
4.
中国科学院, 广州地球化学研究所, 矿物学与成矿学重点实验室, 广东广州 510640
5.
青海省有色第三地质勘查院, 青海西宁 810000

基金项目:

青海省地质勘查基金“青海省重要矿集区深部找矿突破示范”项目 2023085029ky004

“青海省柴周缘主要矿集区矿产资源深部勘查方法技术示范研究”项目 2021074008ky008

2023年度青海省“昆仑英才·高端创新创业人才”项目及广州市科技计划项目(青年博士“启航”项目） 2024A04J4749

详细信息

作者简介:
于小亮（1988-），女，博士研究生，主要从事地质找矿勘查，矿床学和地球化学研究. ORCID：0009-0008-0203-9159. E-mail：xiaoliangyu1988@foxmail.com

通讯作者:
肖兵，E-mail：xiaobing@gig.ac.cn

中图分类号: P581
计量
- 文章访问数: 105
- HTML全文浏览量: 5
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- 被引次数: 0
出版历程
- 收稿日期: 2024-05-22
- 刊出日期: 2025-06-25

Zircon U-Pb Age and Geochemical Characteristics of Granitic Magmatic Rocks in Mailong Gold Deposit, East Kunlun, and Their Geological Significance

Yu Xiaoliang^{1, 2, 3
,
,},
Li Hua³,
Wei Xiaolin³,
Zhang Huiqing³,
Li Jie³,
Gu Chao³,
Tong Haikui³,
Chen Huayong⁴,
Xiao Bing^{4
, ,},
Wang Hao⁴,
Zhang Binshun⁵

1.
Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing 100101, China
2.
University of Chinese Academy of Sciences, Beijing 100049, China
3.
Qinghai Provincial Geological Survey Bureau, Technology Innovation Center for Exploration and Exploitation of Strategic Mineral Resources in Plateau Desert Region, Ministry of Natural Resources, Xining 810001, China
4.
CAS Key Laboratory of Mineralogy and Metallogeny, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
5.
Qinghai Province The Third Geological Exploration Institute of Nonferrous Metals, Xining 810000, China

摘要

摘要: 为了揭示东昆仑造山带原特提斯洋和古特提斯洋的构造演化过程及其与金矿成矿的成因联系，对迈龙金矿区的二长花岗岩和花岗闪长岩开展了岩相学、地球化学和LA-ICP-MS锆石U-Pb年代学研究.结果表明，二长花岗岩和花岗闪长岩的结晶年龄分别为421±11 Ma（晚志留世）和228±4 Ma（晚三叠世），具有准铝质、高钾钙碱性系列特征，富集轻稀土（LREE），大离子亲石元素（LILE：Rb，K）和地球化学性质活泼的不相容元素（U，Th，Pb），亏损高场强元素（HFSE：Nb，Ta，P，Ti），显示岛弧花岗岩的地球化学特征.结合区域地质背景，认为二者形成于造山后伸展阶段的壳幔相互作用，迈龙金矿的矿化与古特提斯造山后伸展阶段的构造-岩浆作用密切相关.该研究为区域构造演化和金矿成矿背景提供了重要依据，对矿产勘探具有指导意义.
- 东昆仑造山带 /
- U-Pb定年 /
- 地球化学 /
- 二长花岗岩 /
- 花岗闪长岩 /
- 岩石学
Abstract: To reveal the tectonic evolution of the Proto-Tethys and Paleo-Tethys Oceans and their genetic links to gold-polymetallic mineralization in the East Kunlun orogenic belt (EKOB), this study conducted petrographic, geochemical, and LA-ICP-MS zircon U-Pb geochronological analyses on monzogranite and granodiorite from the Mailong gold deposit. The results show that the monzogranite and granodiorite crystallized at 421±11 Ma (Late Silurian) and 228±4 Ma (Late Triassic), respectively, exhibiting metaluminous, high-potassium calc-alkaline characteristics. Trace element analyses reveal enrichment in light rare earth elements (LREE), large-ion lithophile elements (LILE: Rb, K), and incompatible elements (U, Th, Pb), with depletion in high-field-strength elements (HFSE: Nb, Ta, P, Ti) and weak negative Eu anomalies, indicating an island arc granite affinity. Combined with regional geological evidence, these rocks formed through crust-mantle interaction during the post-orogenic extensional stage. The Mailong gold deposit, primarily hosted in the granodiorite, is likely associated with tectonic-magmatic activities during the post-orogenic extension of the Paleo-Tethys evolution. This study provides critical age constraints and geochemical insights into the tectonic evolution and gold mineralization in the EKOB, offering valuable guidance for regional mineral exploration.
- East Kunlun orogenic belt /
- U-Pb dating /
- geochemistry /
- monzogranite /
- granodiorite /
- petrology

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图 1 沟里地区地质简图(据陈加杰，2018修改)

Fig. 1. Geological sketch map of the GouLi area (after Chen, 2018)

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图 2 迈龙金矿区地质简图(据沈志远等，2022修改)

Fig. 2. Geological sketch map of the Mailong gold deposit (after Shen et al., 2022)

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图 3 迈龙金矿区岩体手标本和显微照片

a，c，e.为二长花岗岩手标本及镜下特征；b，d，f.为花岗闪长岩手标本及镜下特征；矿物缩写：Qz.石英；Pl.斜长石；Kf.钾长石；Bt.黑云母；Hb.角闪石；Mt.磁铁矿

Fig. 3. The hand specimens and microscopic characteristics of the granitic intrusions in the Mailong gold deposit

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图 4 迈龙二长花岗岩和花岗闪长岩QAP图解(底图据Streckeisen and LeMaitre，1979)

Fig. 4. QAP diagram for the Mailong monzogranite and granodiorite (base map after Streckeisen and LeMaitre, 1979)

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图 5 二长花岗岩和花岗闪长岩SiO₂/(Na₂O+K₂O)图解(a.据Middlemost，1994)、SiO₂/K₂O图解(b.据Rickwood，1989)、球粒陨石标准化稀土元素分配图解(c)和原始地幔标准化蛛网图(d)(标准化值据Sun and McDonough，1989)

Fig. 5. SiO₂ vs. (Na₂O+K₂O) (a.after Middlemost, 1994), SiO₂ vs. K₂O (b.after Rickwood, 1989), chondrite-normalized REE (c)and primitive-mantle-normalized diagrams (d) (normalized data after Sun and McDonough, 1989) of the monzogranite and granodiorite

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图 6 二长花岗岩和花岗闪长岩锆石年龄谐和图(a和d)和球粒陨石标准化稀土元素分配图解(b和e)以及阴极发光图像(c和f)

Fig. 6. U-Pb concordia diagrams (a and d), chondrite-normalized REE patternsand (b and e) and representative CL images (c and f) for the zircon grains of the monzogranite and granodiorite

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图 7 (K₂O+Na₂O)/CaO vs. (Zr+Nb+Ce+Y)图解(a)和SiO₂ vs. P₂O₅图解(b)

据Whalen et al.（1987）；FG：分异的M，I和S型花岗岩；OGT：未分异的M，I和S型花岗岩

Fig. 7. (K₂O+Na₂O)/CaO vs. (Zr+Nb+Ce+Y) (a) and SiO₂ vs. P₂O₅ (b)

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图 8 迈龙花岗岩C/MF-A/MF图解(据Gerdes et al.，2000)

Fig. 8. C/MF-A/MF diagram for Mailong granite (after Gerdes et al., 2000)

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图 9 二长花岗岩和花岗闪长岩Sr/Y与Y图解和Rb与(Yb+Nb)图解(修改自Pearce et al.，1996)

Fig. 9. Sr/Y vs. Y and Rb vs. (Yb+Nb) diagrams of the monzogranite and granodiorite (modified from Pearce et al., 1996)

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表 1 迈龙二长花岗岩和花岗闪长岩体全岩主量(%)、微量(10^-6)和稀土元素(10^-6)分析结果

Table 1. Analytic results of the major (%), trace (10^-6) and rare earth elements (10^-6) of the Mailong monzogranite and granodiorite

样品编号	MLD056	MLD143	MLD104	MLD112	MLD186	MLD182	MLD099	MLD152	MLD151
代表岩性	二长花岗岩				花岗闪长岩
主量元素(%)
SiO₂	69.69	67.93	67.74	72.53	65.52	64.78	61.99	63.82	63.60
TiO₂	0.48	0.33	0.60	0.23	0.54	0.59	0.68	0.68	0.67
Al₂O₃	14.42	16.80	15.22	14.20	15.50	15.48	16.59	15.28	15.38
Fe₂O₃	3.44	2.47	4.20	1.92	4.10	4.64	5.27	5.05	5.11
MnO	0.05	0.03	0.05	0.02	0.06	0.07	0.08	0.08	0.08
MgO	0.89	1.23	1.20	0.43	2.02	2.31	2.44	2.67	2.57
CaO	2.24	3.44	2.96	1.65	4.08	4.36	4.90	4.46	4.43
Na₂O	2.94	4.90	3.11	3.01	3.40	3.37	3.66	3.29	3.33
K₂O	4.16	1.64	3.48	4.96	2.83	2.88	2.52	3.11	3.00
P₂O₅	0.14	0.09	0.21	0.05	0.13	0.15	0.17	0.12	0.12
LOI	0.91	0.79	0.75	0.75	0.89	0.67	0.75	0.91	0.97
A/CNK	1.08	1.04	1.07	1.07	0.96	0.93	0.94	0.90	0.92
A/NK	1.50	1.70	1.70	1.40	1.80	1.80	1.90	1.70	1.80
Mg^#	34	50	36	31	49	50	48	51	50
Na₂O+K₂O	7.10	6.54	6.59	7.97	6.23	6.25	6.18	6.40	6.33
微量元素(10^-6)
Rb	147.0	93.4	132.0	163.5	104.5	110.5	98.1	111.5	125.5
Ba	1 300	100	1 300	1 300	600	700	700	700	600
Th	24.00	8.17	33.00	23.50	23.00	22.50	12.55	15.85	16.75
U	2.55	1.24	2.05	4.74	1.80	1.95	1.46	2.03	2.10
Nb	17.8	6.1	16.4	10.5	9.5	10.8	11.8	12.6	13.1
Ta	0.88	0.47	0.60	0.73	0.82	0.77	0.77	0.80	0.84
La	65.1	22.0	80.8	61.6	60.8	60.8	36.0	36.1	38.6
Ce	127.0	45.3	153.5	108.5	108.0	112.5	73.5	71.5	78.1
Pr	13.45	5.25	15.75	10.90	10.35	11.05	8.21	8.10	8.90
Sr	320	462	456	297	485	481	563	375	408
Nd	46.5	19.4	52.0	34.5	32.7	36.4	29.6	29.8	32.1
Sm	7.54	3.39	7.92	5.03	4.35	5.46	5.16	5.42	5.67
Zr	364	142	359	191	161	168	242	243	425
Hf	8.8	3.6	8.4	5.1	4.5	4.8	6.1	6.4	10.7
Eu	1.44	0.86	1.38	0.76	0.92	1.07	1.18	1.14	1.14
Gd	5.71	2.50	5.40	3.42	3.00	3.90	4.17	4.64	4.53
Tb	0.84	0.36	0.76	0.49	0.46	0.56	0.63	0.69	0.71
Dy	4.59	1.82	3.79	2.40	2.37	3.11	3.33	3.96	4.00
Ho	0.86	0.33	0.70	0.46	0.45	0.58	0.65	0.78	0.79
Y	21.9	8.7	17.0	12.6	12.0	15.6	17.0	19.5	21.4
Er	2.38	0.86	1.67	1.30	1.26	1.58	1.75	2.11	2.26
Tm	0.33	0.11	0.23	0.19	0.18	0.23	0.25	0.30	0.34
Yb	2.10	0.70	1.50	1.27	1.18	1.46	1.59	1.93	2.16
Lu	0.33	0.11	0.22	0.20	0.19	0.24	0.24	0.32	0.35
ΣREE(10^-6)	300.07	111.69	342.62	243.62	238.21	254.54	183.26	186.29	201.05
LREE/HREE	6.69	6.21	9.96	9.91	10.29	8.34	5.19	4.44	4.50
(La/Yb)_N	22.24	22.54	38.64	34.79	36.96	29.87	16.24	13.42	12.82
(La/Sm)_N	5.57	4.19	6.59	7.91	9.02	7.19	4.50	4.30	4.39
(Gd/Yb)_N	2.25	2.95	2.98	2.23	2.10	2.21	2.17	1.99	1.73
δEu	0.67	0.90	0.65	0.56	0.78	0.71	0.78	0.69	0.69
δCe	1.05	1.03	1.05	1.03	1.06	1.06	1.05	1.03	1.03

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表 2 迈龙二长花岗岩和花岗闪长岩体锆石LA-ICP-MS U-Pb测年结果

Table 2. Zircon LA-ICP-MS U-Pb dating results of the Mailong monzogranite and granodiorite

点号	含量(10^-6)		Th/U	同位素比值						同位素年龄(Ma)
点号	Th	U	Th/U	²⁰⁷Pb/²⁰⁶Pb	1σ	²⁰⁷Pb/²³⁵U	1σ	²⁰⁶Pb/²³⁸U	1σ	²⁰⁷Pb/²³⁵U	1σ	²⁰⁶Pb/²³⁸U	1σ
样品MLD056
1	193.6	484	0.4	0.053 75	1.93	0.504 6	2.0	0.067 36	0.7	414	7.0	420	2.5
2	95.6	478	0.2	0.058 53	4.27	0.550 8	4.0	0.068 29	1.0	444	15.0	426	4.0
3	247.2	618	0.4	0.056 13	2.10	0.519 9	2.1	0.067 26	0.8	424	7.0	420	3.5
4	188.4	314	0.6	0.055 29	3.28	0.507 3	3.3	0.066 19	1.2	415	11.5	413	4.5
5	170.0	340	0.5	0.053 83	3.45	0.496 4	3.6	0.066 52	1.0	408	12.5	415	4.0
6	146.0	292	0.5	0.055 61	2.66	0.516 7	2.4	0.067 54	0.9	426	7.5	421	4.0
7	222.0	444	0.5	0.056 92	2.91	0.528 3	3.2	0.067 27	1.3	430	11.0	420	5.5
8	210.8	527	0.4	0.056 48	2.62	0.513 7	2.3	0.066 24	1.0	420	8.0	413	4.0
9	171.0	285	0.6	0.058 02	2.82	0.529 5	2.7	0.066 26	1.1	430	9.5	414	4.5
10	232.4	332	0.7	0.056 33	3.27	0.510 4	3.1	0.065 89	1.1	417	10.5	411	4.5
11	345.9	1 153	0.3	0.054 75	2.49	0.522 1	2.5	0.068 54	0.8	426	8.5	427	3.5
12	264.4	661	0.4	0.054 78	2.78	0.514 1	3.1	0.067 97	1.1	420	11.0	424	4.5
13	241.0	482	0.5	0.053 85	1.87	0.494 7	1.9	0.066 61	0.9	407	6.5	416	3.5
14	226.0	565	0.4	0.054 90	2.47	0.512 4	2.8	0.067 61	0.9	419	9.5	422	4.0
15	199.2	249	0.8	0.056 86	3.27	0.517 5	3.2	0.065 83	1.5	423	11.5	411	6.0
16	239.0	478	0.5	0.057 29	3.05	0.546 1	2.5	0.069 25	1.0	442	9.0	432	4.5
17	238.2	397	0.6	0.055 96	1.81	0.518 8	1.9	0.067 20	0.7	424	6.5	419	2.5
18	237.5	475	0.5	0.055 41	2.65	0.548 0	2.6	0.071 10	0.8	443	9.5	443	3.0
19	372.0	620	0.6	0.055 04	2.38	0.514 9	2.5	0.067 62	0.8	421	8.5	422	3.5
20	214.4	536	0.4	0.055 70	2.27	0.539 0	2.0	0.069 87	0.6	437	7.5	435	2.5
21	305.0	305	1.0	0.054 92	3.28	0.507 9	3.3	0.066 59	0.7	416	11.5	416	3.0
22	273.0	273	1.0	0.056 18	2.34	0.517 8	2.1	0.066 94	0.9	423	7.5	418	3.5
23	270.0	675	0.4	0.053 68	1.62	0.499 8	1.5	0.067 44	0.8	411	5.0	421	3.0
24	66.2	662	0.1	0.055 34	2.20	0.514 8	2.1	0.067 49	1.1	421	7.5	421	4.5
25	165.6	414	0.5	0.056 05	2.66	0.519 5	2.6	0.067 29	1.1	424	8.5	420	4.5
26	83.2	208	0.4	0.054 06	2.90	0.500 7	2.8	0.067 10	0.9	411	9.5	419	3.5
27	145.8	486	0.3	0.055 47	2.15	0.514 2	2.0	0.067 38	1.1	421	6.5	420	4.5
28	176.0	352	0.5	0.055 09	2.42	0.512 5	2.1	0.067 10	0.7	419	7.5	419	2.5
29	144.4	361	0.4	0.054 09	1.97	0.501 9	2.2	0.067 13	0.7	412	7.5	419	3.0
30	328.0	410	0.8	0.054 31	3.53	0.483 9	2.9	0.064 92	1.3	400	9.5	405	5.0
31	155.2	388	0.4	0.055 85	2.08	0.516 4	2.0	0.066 98	0.7	422	7.0	418	2.5
样品MLD186
1	120.8	302	0.4	0.054 81	3.51	0.267 5	3.2	0.035 51	1.3	240	7.0	225	3.0
2	101.4	169	0.6	0.052 63	4.11	0.255 5	3.7	0.035 99	1.2	230	7.5	228	2.5
3	168.5	337	0.5	0.053 02	3.27	0.265 7	3.5	0.036 27	1.1	238	7.5	230	2.5
4	120.8	302	0.4	0.051 24	3.16	0.254 7	3.2	0.036 06	1.2	230	6.5	228	2.5
5	146.4	244	0.6	0.055 42	7.77	0.271 4	7.8	0.035 47	1.4	242	17.0	225	3.0
6	103.5	207	0.5	0.052 87	4.05	0.262 1	4.1	0.035 97	1.4	235	8.5	228	3.0
7	213.0	426	0.5	0.053 92	2.93	0.269 1	3.0	0.036 12	0.9	241	6.5	229	2.0
8	87.0	174	0.5	0.051 52	4.50	0.260 2	4.5	0.036 60	1.1	233	9.5	232	2.5
9	110.6	158	0.7	0.050 54	4.34	0.247 7	4.2	0.035 57	1.3	223	8.5	225	3.0
10	151.8	253	0.6	0.048 12	3.98	0.242 1	3.9	0.036 54	1.3	219	8.0	231	3.0
11	210.6	351	0.6	0.051 81	2.50	0.259 1	2.5	0.036 19	0.9	233	5.5	229	2.0
12	131.0	262	0.5	0.052 29	3.48	0.255 2	3.4	0.035 94	1.3	234	8.0	228	3.0
13	111.0	222	0.5	0.049 79	4.87	0.252 0	4.9	0.036 49	1.2	226	9.5	231	3.0
14	125.0	250	0.5	0.054 28	5.02	0.267 9	4.7	0.035 85	2.2	240	10.0	227	5.0
15	211.0	422	0.5	0.052 25	2.55	0.259 1	2.7	0.035 85	1.1	233	5.5	227	2.5
16	223.8	373	0.6	0.052 24	2.73	0.260 1	2.4	0.036 57	1.0	234	5.0	232	2.5
17	196.8	328	0.6	0.051 23	3.12	0.258 2	3.2	0.036 47	1.2	236	7.5	231	2.5
18	196.2	327	0.6	0.051 77	3.62	0.257 1	3.5	0.035 97	1.0	231	7.5	228	2.5
19	290.0	580	0.5	0.050 44	2.52	0.252 5	2.5	0.036 18	0.7	228	5.0	229	1.5
20	258.6	431	0.6	0.052 28	2.92	0.258 0	2.8	0.035 74	0.9	232	6.0	226	2.0
21	240.0	400	0.6	0.050 42	2.66	0.249 1	2.6	0.035 74	1.0	225	5.5	226	2.0
22	108.5	217	0.5	0.051 55	3.83	0.253 5	4.2	0.035 32	1.3	228	9.0	224	3.0
23	290.4	484	0.6	0.052 44	2.94	0.259 6	2.9	0.035 86	1.1	234	6.0	227	2.5
24	298.8	498	0.6	0.052 14	2.30	0.258 1	2.4	0.035 77	0.9	233	5.0	227	2.0
25	180.5	361	0.5	0.054 09	3.70	0.265 1	3.9	0.035 35	1.0	238	8.0	224	2.0
26	180.5	361	0.5	0.053 11	3.37	0.256 3	3.2	0.034 97	1.2	231	6.5	222	2.5
27	327.6	546	0.6	0.051 92	2.80	0.258 6	2.7	0.036 05	0.9	233	5.5	228	2.0
28	174.0	348	0.5	0.049 42	2.38	0.248 9	2.6	0.036 33	1.0	225	5.5	230	2.5

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表 3 东昆仑造山带与原特提斯造山作用有关的部分岩体U-Pb年龄统计

Table 3. U-Pb ages of rock related to the Proto-Tethys orogeny in the East Kunlun orogenic belt

岩体位置	岩性	测试年龄	文献来源
都兰县可可沙地区	石英闪长岩	515±4 Ma	张亚峰等(2010)
格尔木南水泥厂地区	玄武岩	474± 8 Ma	陈有炘等(2013)
东昆仑南缘白日切特及地区	花岗闪长岩	441±6 Ma	刘战庆等(2011)
东昆仑南缘白日切特及地区	流纹斑岩	438±3 Ma	刘战庆等(2011)
东昆仑南缘亿可哈拉尔地区	花岗闪长岩	435±3 Ma	Li et al. (2015)
东昆仑南缘亿可哈拉尔地区	花岗岩	436.9±5.7 Ma	Li et al. (2015)
白干湖钨锡矿田	二长花岗岩	431±1 Ma	高永宝(2013)
沟里敖洼得地区	花岗闪长岩	454±2 Ma	陈加杰(2018)
沟里淡水沟地区	二长花岗岩	418±3 Ma
沟里淡水沟地区	正长花岗岩	418±3 Ma
沟里念堂地区	正长花岗岩	403±2 Ma
沟里浪木日地区	黑云母花岗岩	414.5±8.8 Ma	童海奎等(2023)

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表 4 东昆仑造山带与古特提斯造山作用有关的部分岩体U-Pb年龄统计

Table 4. U-Pb ages of rock related to the Paleo-Tethys orogeny in the East Kunlun orogenic belt

岩体位置	岩性	测试年龄	文献来源
巴龙南部瑙木浑地区	花岗闪长岩	261±2 Ma	Xiong et al.(2012)
五龙沟地区岩金沟矿区	花岗闪长岩	259±2 Ma	李希等(2014)
哈拉尕吐地区	花岗闪长岩	255±4 Ma	孙雨等(2009)
跃进山地区	煌斑岩脉	253±3 Ma	Xiong et al. (2012)
巴龙地区	花岗闪长岩	242.5±1.6 Ma	Zhang et al. (2012)
	石英闪长岩	241.0±2.2 Ma
	正长花岗岩	231.0±2.6 Ma
香日德地区	花岗闪长岩	242±1 Ma	陈加杰(2018)
阿斯哈地区	花岗闪长岩	240±2 Ma	王凤林(2023)
哈日扎地区	花岗岩	255 Ma	马忠元等(2024)

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东昆仑迈龙金矿区花岗质岩浆岩锆石U-Pb定年和地球化学特征及其地质意义

doi: 10.3799/dqkx.2025.046

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于小亮（1988-），女，博士研究生，主要从事地质找矿勘查，矿床学和地球化学研究. ORCID：0009-0008-0203-9159. E-mail：xiaoliangyu1988@foxmail.com

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Zircon U-Pb Age and Geochemical Characteristics of Granitic Magmatic Rocks in Mailong Gold Deposit, East Kunlun, and Their Geological Significance

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东昆仑迈龙金矿区花岗质岩浆岩锆石U-Pb定年和地球化学特征及其地质意义

doi: 10.3799/dqkx.2025.046

作者简介: 于小亮（1988-），女，博士研究生，主要从事地质找矿勘查，矿床学和地球化学研究. ORCID：0009-0008-0203-9159. E-mail：xiaoliangyu1988@foxmail.com

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Zircon U-Pb Age and Geochemical Characteristics of Granitic Magmatic Rocks in Mailong Gold Deposit, East Kunlun, and Their Geological Significance

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作者简介:
于小亮（1988-），女，博士研究生，主要从事地质找矿勘查，矿床学和地球化学研究. ORCID：0009-0008-0203-9159. E-mail：xiaoliangyu1988@foxmail.com

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肖兵，E-mail：xiaobing@gig.ac.cn