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COMPARISON BETWEEN THE ZIRCON U-Pb DATING AND LASER 40Ar/39Ar DATING FOR THE MESOZOIC VOLCANIC ROCKS |
LIU Shi-wei, DING Qiu-hong, LI Yong-fei |
Shenyang Institute of Geology and Mineral Resources, CGS, Shenyang 110034, China |
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Abstract The results of zircon U-Pb dating and laser 40Ar/39Ar dating for the volcanic rocks from the Longjiang and Guanghua formations are compared respectively. The two dating methods display a significant close age. Due to its economy and convenience, the laser 40Ar/39Ar dating method would be useful and practicable in the 1:50 000 and 1:250 000 regional field works and other studies.
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Received: 09 February 2012
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