Raman spectroscopic identification of cookeite in the crystal-rich inclusions in spodumene from the Jiajika lithium pegmatite deposit, China, and its geological implications
Xin Ding,Jiankang Li,I-Ming Chou,Zhenyu Chen,and Shenghu Li
Xin Ding
State Key Laboratory of Geological Processes and Mineral Resources,
China University of Geosciences (Beijing), Beijing 100083, China
MNR Key Laboratory of Metallogeny and Mineral Assessment, Institute
of Mineral Resources, Chinese Academy of Geological Sciences, Beijing
100037, China
I-Ming Chou
CAS Key Laboratory of Experimental Study Under Deep-sea Extreme
Conditions, Institute of Deep-sea Science and Engineering, Chinese Academy
of Sciences, Sanya 572000, China
Zhenyu Chen
MNR Key Laboratory of Metallogeny and Mineral Assessment, Institute
of Mineral Resources, Chinese Academy of Geological Sciences, Beijing
100037, China
Shenghu Li
Shandong Institute of Geological Sciences, Ji'nan 250013,
China
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Our research found that the cookeite crystallized within a closed space (e.g., crystal-rich inclusion, CI, in pegmatites) at relatively high P–T conditions might bear distinct and high-purity Raman signals. As a result, this type of cookeite is unusual and provides an indicator of cookeite crystallized in the closed spaces of a primary inclusion (e.g., CI), beneficial for recognizing the primary nature of the CIs in pegmatites and understanding the formation mechanisms of CIs and pegmatites.
Our research found that the cookeite crystallized within a closed space (e.g., crystal-rich...