Application of nuclear analytical techniques to trace elements in Cenozoic basalt and their mantle xenoliths from Aershan area in Inner Mongolia, China

LOW ENERGY ACCELERATOR, RAY TECHNOLOGY AND APPLICATIONS

Application of nuclear analytical techniques to trace elements in Cenozoic basalt and their mantle xenoliths from Aershan area in Inner Mongolia, China

YU Fu-Sheng，

HAN Song，

HUANG Yu-Ying，

HE Wei，

CAO Jie，

WANG Hong-Yue

Nuclear Science and Techniques

Vol.16, No.2

pp.108-113

Published in print 01 Apr 2005

CLC：O657.4,O657.34,O656.31,P588.14+5

58800

Basaltic samples from different locations in Aershan area determined by instrumental neutron activation analysis (INAA) have the same distribution patterns of REE and trace elements. The similar REE contents of the same minerals without inclusions from different xenolith suggest that the mantle source region under different active volcanoes have the same composition. The REE content differences between the same minerals with and without melt inclusions selected from the same mantle xenolith indicate that the melt inclusions are rich in REE. The same patterns of trace elements of inclusions and host minerals from different xenolith analyzed by SRXRF suggest that the mantle fluid has no notable heterogeneity in Aershan area.

INAASRXRFAershan areaMantle xenolithTrace elements

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