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The Liuling Group is exposed in the Northern part of the South Qinling orogenic belt. LA-ICP-MS U-Pb analysis of detrital zircons from the meta-sandstones in this Group yields ages ranging between 400Ma and 3200Ma, with three prominent age clusters at 500–400Ma, 850–700Ma and 1000–900Ma. A few older zircon populations with U–Pb ages of 1750–1450Ma, 2000Ma and 2600–2400Ma are also present. Age data...
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