The major characteristics of this deposit are well-developed parallel beddings and cross beddings, with the deposit components of basaltic volcanic scoria and basal or wall-rock fragments.

 
  • 其主要特征是發(fā)育完好的平行層理和交錯層理,堆積物成分為玄武質(zhì)火山渣與基底或圍巖巖石碎屑共存。
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