Middle north margin of North China platform is important concentration area of gold mineralization in China.

华北地台北缘中段是我国重要的金矿化集中区。

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Yanshan region is an important component of Yan-Liao metallogenic belt located in the northern margin of north China platform.

燕山地区位于华北地台的北缘，是燕辽金成矿带的重要组成部分。

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Heterogenity of the carbon source implies the magma beneath the North China platform was not homogeneous at Late Mesoproterozoic.

形成晶体的碳质来源不均一，反映了中元古代华北陆台下地壳岩浆成分的不均一性。

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The six-party process that draws in North Korea's four neighbors, plus the United States, will remain the strategic platform, with China the key player in nudging Pyongyang along.

CNN: Analysis: Asia stacked with problems for Obama