Pre—Bogda mountain folded zone is one of the most complicate and grand tectonic unit at pre—mountain area in China.
博格达山前褶皱带是我国最复杂、最雄伟的山前构造单元之一。
The carboniferous Liushugou Formation in the northern area of the Bogda Mountain was the main source area of frontal depression.
博格达山北缘的石炭系柳树沟组岩层为准噶尔南缘东段前缘坳陷的主要物源。
The upper Cangfanggou Group is with mixed characteristics of the source area and something shows that early Triassic swelling Bogda Mountain has become the source area.
而上苍房沟群以混杂物源区为特征，表明早三叠世隆升的博格达山已成为其物源区。
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