Wudaoliang group is grayish - white, yellow - grey, dark - grey ashrock, which interbeded with the conglomerate, sandstone, a little amount mudstone, oil shale with unconsolidated sand mud rock.
五道梁群以灰白色、灰黄色灰岩为主,含有砾岩、砂岩,夹有少量泥岩、油页岩和未固结砂泥沉积。
2
The current stratovolcano-a cone-shaped volcano built from successive layers of thick lava flows and eruption products like ash and rock fragments-is built on top of an older stratovolcano.