Studies of melt inclusions in some basalts from eastern China |
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Authors: | Yingjun Liu Zhaolin Li Qizhi Wu Meifang Zhao Haoshen Jiang |
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Institution: | (1) Department of Geology, Nanjing University, China |
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Abstract: | Cenozoic basalts widespread in eastern China constitute an important sector of the circum-Pacific Cenozoic basalt belt. Basalt
samples were collected from Wudalianchi (Heilongjiang Province), Nushan (Anhui Province), Fangshan (Jiangsu Province), Zhuji
(Zhejiang Province), and Mingxi(Fujian Province). These basalts, for the most part, belong to the alkali basaltic series,
and partly to tholeiites.
A variety of inclusions commonly occurs in the rock-forming minerals of these basalts. The physicochemical conditions of basalt
formation in different areas have been reviewed in special reference to the inclusion data. Our studies have shown that there
is a close relationship between the features of the inclusions and the physicochemical conditions of basalt formation, which
can, therefore, be regarded as a guide to the mechanism of basaltic petrogenesis. The results of research in this aspect are
presented in the present paper. |
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