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| PubMed | |
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Article by Liu, W. M. 1 |
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Article by 2 |
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Article by Liu, J. S. 1 |
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Article by Liu, W. H. 1 |
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Article by Yang, L. G. 1 |
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Article by Zhou, Y. G. 3 |
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Article by Dong, X. 1 |
�ڱȽ�����ƺ—������ͭ����������ز�Ļ����ϣ��嶨��������ϡ��ɽ���ڱ����Ĵ��ڣ���Ϊ���к����ԣ����������ضβ�����̽�̡��Խ�¶����Ŀ�ʯ����ѧ���������Ƚϱ�������ʯ ( K2O + Na2O) ������K2O/Na2O ֵ������������ƣ���ʯϡ��Ԫ������Ϊ( 55. 94 �� 367. 72) × 10-6�� ( La /Yb) N = 5. 09 �� 67. 57��LREE ���������쳣( 1. 69 �� 5. 18) �����ִ��������Һϡ��Ԫ�ؾ���ͬ�������������ɿ�����Ϊ����¡���ԭ���ʡ�
On the basis of the correlation of Yinmin Formation from Lanniping --Baixila copper mine area��the authors confirmed the existence of Xikuangshan type deposit in the studied area��and designed mineral exploration engineering in favorable sectors�� Analysis and comparation of geochemical characteristics of the exposed orebody revealed that ( K2O + Na2O) contents and K2O/Na2O ratio of ores are similar to in Yinmin mine area�� REE contents are ( 55. 94 �� 367. 72) × 10-6��( La /Yb) N = 5. 09 �� 67. 57 with strong enrichment of LREE and positive Eu anomaly�� The REE characteristics are similar to hydrothermal solution of modern ocean floor��which shows that oreforming fluid was in deep high-temperature with deoxidation nature��