Study on Chemical Compositions and Origin Discriminations of Hetian Yu From Maxianshan, Gansu Province

Lu-lu DAI; Ming-xing YANG; Hui-lin WEN

doi:10.3964/j.issn.1000-0593(2022)05-1451-08

Journals >Spectroscopy and Spectral Analysis >Volume 42 >Issue 5 >Page 1451 > Article

Spectroscopy and Spectral Analysis
Vol. 42, Issue 5, 1451 (2022)

Study on Chemical Compositions and Origin Discriminations of Hetian Yu From Maxianshan, Gansu Province

Lu-lu DAI^*, Ming-xing YANG^{1; 2; *;}, and Hui-lin WEN^1;

Author Affiliations

1. Gemmological Institute, China University of Geoscience (Wuhan), Wuhan 430074, China

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DOI: 10.3964/j.issn.1000-0593(2022)05-1451-08 Cite this Article

Lu-lu DAI, Ming-xing YANG, Hui-lin WEN. Study on Chemical Compositions and Origin Discriminations of Hetian Yu From Maxianshan, Gansu Province[J]. Spectroscopy and Spectral Analysis, 2022, 42(5): 1451 Copy Citation Text

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Mineral naming diagram of the amphibole group B(Mg, Fe2+, Mn2+, Li)≤0.50, B(Ca, Na)≤0.05, B(Na)BCa≥1.50, A(Na, K)A(Ca)4+≤8.0, 0.9≤Mg/(Mg+Fe2+)≤1

Fig. 1. Mineral naming diagram of the amphibole group
^B(Mg, Fe²⁺, Mn²⁺, Li)≤0.50, ^B(Ca, Na)≤0.05, ^B(Na)<0.50,^BCa≥1.50, ^A(Na, K)<0.05,^A(Ca)<0.05,7.5≤Si⁴⁺≤8.0, 0.9≤Mg/(Mg+Fe²⁺)≤1

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Fig. 2. The spider diagram of trace elements in Hetian Yu from various origins^[9,10,11,12]

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Fig. 3. The REE distribution patterns in Hetian Yu from various origins^[9]

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Fig. 4. (a) The three-dimensional scatter plot of δCe-ΣREE-LREE/HREE; (b) The two-dimensional scatter plot of δCe-ΣREE-LREE/HREE^[8]

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Fig. 5. The canonical discriminant function diagram of the origin of trace elements

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Fig. 6. The canonical discriminant function diagram of the origin of trace elements in Xinjiang, Qinghai, Liaoning, and Maxianshan

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Fig. 7. The canonical discriminant function diagram of the origin of trace elements in Xinjiang, Qinghai, and Maxianshan

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样品	晶体化学式(A_0~1B₂C₅T₈O₂₂(OH)₂)	名称
MXS19205-2	(Ca_1.95Na_0.19Mn_0.03)_2.18(Mg_4.70F $e_{0.14}^{Ⅱ}$ Al_0.07F $e_{0.01}^{Ⅲ}$ )_4.94Si_8.08O₂₂(OH)₂	透闪石
MXS19208	(Ca_1.88Na_0.17Mn_0.03F $e_{0.02}^{Ⅱ}$ )_2.07(Mg_4.95F $e_{0.01}^{Ⅱ}$ Al_0.06)_5.02Si_8.10O₂₂(OH)₂	透闪石
MXS19210-1	(Ca_1.84Na_0.26)_2.10(Mg_4.80F $e_{0.11}^{Ⅱ}$ Al_0.01)_5.00Si_8.21O₂₂(OH)₂	透闪石
MXS19211-1	(Ca_1.83Na_0.20F $e_{0.05}^{Ⅱ}$ )_2.07(Mg_4.85F $e_{0.05}^{Ⅱ}$ Al_0.09)_5.00Si_8.10O₂₂(OH)₂	透闪石
MXS19212	(Ca_1.89Na_0.20Mn_0.01)_2.09(Mg_4.88Al_0.09)_4.97Si_8.13O₂₂(OH)₂	透闪石

Table 1. Part of the crystal chemical formulas of Hetian Yu from Maxianshan

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稀土参数	新疆		青海		辽宁		江苏		贵州		甘肃马衔山
稀土参数	范围	均值	范围	均值	范围	均值	范围	均值	范围	均值	范围	均值
ΣREE/(μg·g^-1)	2.86~84.82	15.82	0.29~40.72	6.54	15.59~90.27	44.60	2.48~10.36	5.38	13.25~95.91	41.26	1.69~22.04	5.60
LREE/HREE	0.69~19.34	4.28	1.06~9.53	5.68	6.40~29.46	13.69	2.35~11.28	5.92	3.63~12.55	7.81	0.17~4.94	1.69
δEu	0.08~0.62	0.25	0.48~1.51	0.77	0.21~0.80	0.53	0~1.00	0.52	0.47~0.85	0.65	0.04~0.60	0.28
δCe	0.80~1.07	0.92	0.73~3.33	1.4	0.76~1.06	0.92	0.67~1.19	0.82	0.19~0.40	0.28	0.30~2.91	0.95
La_N/Yb_N	0.39~19.34	4.28	0.18~10.04	4.78	7.72~34.65	16.42	2.35~11.28	5.92	9.35~31.38	21.12	0.04~5.71	1.24

Table 2. Parameter of REE of Hetian Yu from various origins^[8]

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		产地	预测组成员信息			总计
		产地	新疆	青海	马衔山	总计
原始	计数	新疆	4	0	0	4
		青海	0	20	0	20
		马衔山	0	0	48	48
		预留组个案	0	0	10	10
	%	新疆	100	0	0	100
		青海	0	100	0	100
		马衔山	0	0	100	100
		预留组个案	0	0	100	100
	交叉验证^b	计数	新疆	2	2	0	4
青海			1	18	1	20
马衔山			1	2	45	48
%		新疆	50	50	0	100
		青海	5	90	5	100
		马衔山	2.1	4.2	93.8	100

Table 3. Classification results of trace element origin in Xinjiang, Qinghai, and Maxianshans^{a, c}

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