The thin-beded siliceous -rocks include chert and depositional quartz with textures of oolite and pebble.
矽质岩包括燧石和沈积石英岩，呈薄层状产出，沈积石英岩具鲕状、砾状结构。
There is still much disagreement over the depositional characteristics of the Carboniferous Taiyuan Formation of Upper Paleozoic in the northern Ordos Basin.
关于鄂尔多斯盆地北部上古生界石炭系太原组的沉积特点，目前存在着多种不同的观点。
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