tufa

The floristic characteristics of tufa bryophytes and the main Travertine Deposition types in UK

英国钙华苔藓植物区系特征及其主要钙华沉积类型

Bio - effect on Tufa Deposition

钙华沉积的生物效应

The study of aeration effect on Mechanism of fluvial tufa deposit

河成石灰华成因&掺气效应研究

Accordingly , the development process model of calcareous tufa is proposed preliminarily .

文中还初步提出研究区微生物（蓝藻等）起控制作用的石灰华发生和形成过程模式。

Characteristics of ancient tufa and its prospecting signifcance in Northwest Hunan

湘西北地区的古硅华特征及其找矿意义

The odd shapes that tufa take can sometimes resemble coral .

凝灰岩有时可以具有像珊瑚那样的奇怪形状。

A special tufa fabric-stratified-algae-support fabric and the cause of its formation

一种特殊的石灰华组构&层状藻支架组构及其成因

The uncanny tufa formations take on a golden appearance at sunset .

离奇的凝灰岩地层在日落时所呈现出的金黄色外观。

Age Measurement and Significance of Calcareous Tufa of Lunan Stone Forest , Yunnan , Chian

中国路南石林地区钙华年代测定及其意义

Made of limestone , tufa forms as a byproduct of the precipitation of carbonate minerals from surrounding water .

LimestoneBuildup石灰岩的构成凝灰岩是由石灰岩所组成，它是在其周围湖水里的碳酸盐矿物沉淀的副产品。

The tufa towers rise like giant sand castles , peeking above Mono Lake 's surface .

BytheShore在岸边钙华塔升高得像巨型的沙堡，它正在窥视着莫诺湖的表面。TufaTowers钙华塔

So , the appropriate geochemical condition and the advantaged water dynamic condition compose the growth of the tufa of Wang 4 well .

王4井的地热流体正是具备了合适的水化学条件，同时伴随着有利的水动力条件才生成了我们所看到的钙华。

Mono Lake 's tall grasses and shrubbery are shown growing along the bottom of this tufa formation .

GrownOver长高了莫诺湖的高茎草和灌木林沿着凝灰岩地层的底部生长起来。

The formation of tufa in huanglong , Sichuan

四川黄龙钙华的形成

Fossil plants from calcareous tufa and palaeoenvironments in ruoqiang , Xinjiang

新疆若羌石灰华中的植物化石及古环境

Another strangely beautiful early morning shot of the tufa formations , with the Sierra Nevada Mountains in the background .

这是另一张在清晨所拍摄形态奇怪而又美丽的凝灰岩照片，背景是内华达山脉。

The delicate white tufa towers formed where freshwater springs percolate up from the bottom of the lake .

柔和、白色的钙华塔形成于淡水泉从湖底渗透出来的地方。

Deep-source co_2 in natural waters and its role in extensive tufa deposition in the Huanglong ravines , sichuan , China

四川黄龙沟天然水中的深源CO2与大规模的钙华沉积

A sunset casts a warm glow over the tufa formations as seagulls forage for dinner .

当海鸥在寻找晚餐时，夕阳在凝灰岩地层上面投射了温暖的光辉。AlabasterandAzure光洁雪白和天蓝色

Tufa , as a product of karstification , is a carbonate sediment in pools , rivers , or springs .

钙华作为岩溶作用的产物，又称泉华或石灰华，是指湖泊、河流或泉水所形成的以碳酸钙为主的碳酸盐沉积物。

The more recent calcareous , or calcium carbonate , deposits that make up the tufa formations are closer to the bottom and lighter in color .

钙质或碳酸钙越近现代，所构成凝灰岩地层的沉积物越靠近底部，颜色也比较浅。

The torrent flowed along the surface of the hardened tufa , and destroyed the few meager skeletons of trees which had withstood the first eruption .

洪流沿着凝固了的凝灰岩表面流去，把第一次火山爆发以后残存下来的几棵干枯的树干都摧毁了。

Tufa , the unusual rock formations that jut out of Mono Lake in California 's Eastern Sierra , are famous for their otherworldly beauty .

MoonlitMonoLake洒满月光的莫诺湖凝灰岩，是突出在加利福尼亚州的东部雪乐山的莫诺湖面的不同寻常的岩层，以其超凡脱俗的美丽而闻名于世。

Tufa is a good carrier which records the information of palaeoclimate-environment , and has the unique superiority : ( 1 ) The resolution is high , may achieve the resolution of season or month .

钙华是记录古气候环境信息的良好载体，并有独特的优势：①分辨率高，可达到季-月的高分辨率。

A STUDY ON BIOGENETIC OF CALCAREOUS TUFA & Examplified by the tufa in Jiuzhaigou , Sichuan , and Huangguoshu , Guizhou

石灰华的生物成因研究&以四川九寨沟和贵州黄果树等地石灰华为例

These pale gray and ivory " tufa towers ," located in California 's Mono Lake , may look like eerie art instillations , but they occur naturally and are made of limestone .

这些浅灰色和象牙形的“钙华塔”，位于美国加州的莫诺湖，它们可能看起来像是令人毛骨悚然的艺术灌注物，然而它们是在自然界里由石灰岩所构成的。

These pale gray and ivory " tufa towers , " located in California 's Mono Lake , may look like eerie art instillations , but they occur naturally and are made of limestone .

WhimsicalTowers稀奇古怪的钙华塔这些浅灰色和象牙形的“钙华塔”，位于美国加州的莫诺湖，它们可能看起来像是令人毛骨悚然的艺术灌注物，然而它们是在自然界里由石灰岩所构成的。

According to previous researches , tufa results from the supersaturation of calcium carbonate , as the partial pressure of CO_2 in the spring water is higher than that in the atmosphere and CO_2 outgases from the water .

根据研究，钙华的形成是由于泉水中的CO2分压高于周围空气的CO2分压，CO2从水中逸出，因而导致碳酸钙发生过饱和并产生沉淀的结果。

It was found by in-situ monitoring that the Xiangshui River has a very low concentration of calcium and bicarbonate , which does not match with the huge tufa deposits in the riverbed and the dense vegetation cover in surrounding area .

文章报道了响水河河水的现场监测结果，得到响水河河水的Ca2+和HCO-3非常低，这明显与河床中大规模钙华的存在和景区内发育的茂密植被不匹配；

By 1982 , the lake had lost 51 percent of the surface area it had before the diversions began in 1941 , revealing once-submerged tufa ( limestone ) , which now forms scenic , jutting towers across the water 's surface .

自从1941年开始改道，一直到1982年，这片湖已经流失了51%的表面面积，露出了曾一度淹埋在水下的凝灰岩（石灰石），像塔一样耸立在水面，形成了一道独特的风景。