The channel is overlain by siltstone and lenticular beds of limestone.
河道上面覆蓋著粉砂巖和石灰巖透晶體.
辭典例句
The presence of fragments of silicified siltstone retains their original bedding.
硅化粉的砂巖碎塊保留有原始層面.
辭典例句
The main rocks are sandstone, mudstone and muddy siltstone or silty mudstone.
巖石類型主要有砂巖 、 泥巖及泥-粉砂過渡巖類.
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