Detrital composition analysis of the Mesozoic sandstones indicates that their provenance is the Dabie orogen.
中生界砂岩碎屑组分分析，表明其源区为大别造山带。
An integrated analysis of the facies sequence, fabrics, sedimentary characteristics and provenance indi-cates that the Hengdan turbidite sequence is turbidity sediments fillings.
相序、组构、沉积特征和物源区综合分析表明，横丹浊积岩系为弧前盆地充填物。
By clustering analysis to growth, survival rate, geographic and climate factors among provenances, 10 provenance zones were divided.
利用各种源的生长性状、保存率与各种源的地理气候因子做聚类分析，进行种源区划，初步划分为10个种源区。
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