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- siliceous tufa 硅华
- The hard, siliceous bivalve shell of a diatom. 硅藻细胞壳硅藻的坚硬含硅的硬壳
- The hard,siliceous bivalve shell of a diatom. 硅藻细胞壳硅藻的坚硬含硅的硬壳
- Gritrock is siliceous sandstone. 粗砂岩是硅酸砂岩。
- A siliceous volcanic ash used to produce hydraulic cement. 火山灰水泥，火山石用来生产水硬水泥的含硅火山灰
- The reserve was established to preserve the spectacular tufa towers. 该自然保护区是为了保护湖区内的“石灰塔”地貌而设。
- Turning 180 degrees and here is the lake. You can even see the tufa rocks. 转个180度;这就是湖了;你甚至可以看到石灰华岩石.
- A siliceous rock of chalcedonic or opaline silica occurring in limestone. 硅石出现在灰岩中的玉髓或蛋白色硅石
- Spires of limestone tufa rise from the shores of California's Mono Lake. 图为石灰石泉华柱耸立在加利福尼亚的莫诺湖之滨。
- The host rock conformably overlies a band of siliceous chertybrecia. 含矿主岩整合地上覆于硅质燧石角砾石带之上。
- A white or grayish opaline siliceous deposit formed around natural hot springs. 硅华一种形成于天然温泉周围的白色或浅灰发乳色光的硅沉淀物
- The host rock conformably overlies a band of siliceous cherty breccia. 含矿主岩整合地上覆于硅质燧石角砾石带之上。
- The calcareous and siliceous rock deposits of springs, lakes, or ground water. 泉华泉、湖或地下水中的。
- Siliceous zinc is blue firing temperature is highest it is 1280 degrees. 硅酸锌蓝的烧成温度则最高为1280度。
- The ones of SQ11 are siliceous cementation and carbonate cementation. SQ11主要发育硅质胶结、碳酸盐胶结成岩作用。
- Calcareous tufa,a porous or spongy deposit of calcium carbonate found in calcareous mineral springs. 多孔状凝灰岩石灰质的凝灰岩，碳酸钙多孔或有吸收性的沉淀物，出现在石灰性矿物泉中
- Calcareous tufa, a porous or spongy deposit of calcium carbonate found in calcareous mineral springs. 多孔状凝灰岩石灰质的凝灰岩,碳酸钙多孔或有吸收性的沉淀物,出现在石灰性矿物泉中。
- In the heart of the soil they found tufa rock.They embroidered the very bowels of the earth with their language. 在地球的中心他们找到了石灰岩，于是他们将自己的语言绣在地壳底下。
- Okay! We are getting really close to the lake now and seeing more and more tufa coming out of the water. 好的!我们现在已经很靠近湖泊;看到愈来愈多露出水面的石灰华岩.
- A closer view of a tufa that has not been touched by visitors, i.e., it is staying at its best and original condition. 未被游客碰触过的石灰华岩近照;也就是它是处于最佳和原始的情况.
