Residents woke to find their homes covered with a film of grey black ash, 1mm to 2mm thick.
居民们醒来时发现房屋上覆盖着大约1毫米至2毫米的一层灰烬。
Qianceng stone main characteristic is the ash black, grey, grey, brown and white, in the rockery modelling is given priority to with code folding forming.
千层石主要特点就是灰黑、灰白、灰、棕相间,在假山造型中多以码叠成形为主。
Wudaoliang group is grayish - white, yellow - grey, dark - grey ash rock, 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。
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