板岩

In North Wales, the song arose in the 19th century from the chill, dark corners of mines, the yawning maws of slate quarries and the din of their workshops.

北威尔士的民谣起源于19 世纪，来自冰冷漆黑的矿坑角落、板岩采石场敞开的深渊及工场的嘈杂声。

The area is noted for a number of large coal-fields between which Paleozoic limestone, pre-Cambrian sandstone and slate, in the general sense of the words cover large tracts of China.

这一区域因为蕴藏许多大煤田而闻名，这些煤田位于石灰岩与前寒武纪砂岩和板岩的夹层间，几乎覆盖了大片中国。

The Pre-cambrian alumino-siliceous slate is the host rock of antimony deposit inHunan.

湖南前寒武系的硅铝质板岩是锑矿主要赋矿岩性。

Besides the conditions stated above, I think the oil-containing sediment must not be transformed into slate or higher-grade metamorphic rocks

除了上面所说的那些条件之外。我认为含油沉积物还不能被转化为板岩或更高级的变质岩石

The quarrymen usually had to pay a rent or royalty to the landlord, though the quarrymen at Cilgwyn did not. A letter from the agent of the Penrhyn estate, John Paynter, in 1738 complains that competition from Cilgwyn was affecting the sales of Penrhyn slates.

除了在Cilgwyn，采石工在其他地方通常需要向场主支付租金或使用费。1738年，彭林采石场经纪人约翰·佩因特写信抱怨Cilgwyn的竞争影响了彭林板岩的销售。

Of this total, 409,000 t were reportedly used in ceramic floor and wall tile (-20.9% compared to 2000); 11.1 Mt in extruded brick (-4.3%); 1.7 Mt in other brick products (-2.9%); 79,900 t in clay drain tile and sewer pipe (+10%); 256,000 t in clay flue linings (-1.2%); 71,400 t in miscellaneous heavy clay products, such as flower pots, roofing tile and terra cotta (-33.9%); and 741,000 t in refractories (+36.3%).

据报道，全美国所销售的球粘土中有58.7万吨，用于制造陶瓷墙地砖（比2000年下降了3.3%），24.7万吨用于制造卫生洁具（下降了3.5%），62600吨用于耐火材料（下降9.2%），20500吨用于制造陶瓷（下降9.7%），13500吨用于制造其它各种陶瓷产品，包括催化剂、电子陶瓷、纤维玻璃、精细陶瓷、餐具、釉和矿物羊毛（下降10.6%）。2001年，美国的普通粘土和板岩产量仅为2320万吨，下降了2.1%，产值约1.29亿美元，其中有40.9万吨用于陶瓷墙地砖生产（下降20.9%），1110吨万吨用于挤压成形砖生产（下降4.3%），170万吨用于其它砖产品（下降2.9%），79900吨用于粘土排水砖和排水管（上升10%），25.6吨万用于粘土烟道衬里（下降1.2%），71400吨用于其它各种重粘土产品，如花盆，屋顶瓦和红泥陶等（下降33.9%）；74.1万吨用于耐火材料（上升36.3%）。

A fine-grained metamorphic rock that splits into thin, smooth-surfaced layers.

板岩，页岩：一种颗粒细密的变质岩，可分成许多薄薄的、表面光滑的层面

Comparing with granite and marble, slate as the green building material retains the style and features of the natural stone on quality and color, which gives you the feeling of returning back to the nature.

板岩作为一种绿色建材产品，与花岗岩和大理石相比，在质量和色泽上保持了天然原石的风貌特点，给人以回归大自然的感觉。

Natural slate is a new green building materials, mining in the hundreds of millions of years after the formation of stone deposits, hard texture, with natural texture and color, and maintain the natural characteristics of the original stone features.

天然板岩是一种新兴的绿色建材，开采于经过数亿年形成的石材矿床，质地坚硬，具有天然的纹理和色彩，保持了自然原石的风貌特点。

Manufactory Profile: Manufactory lies in Wuning county Jiangxi Province, is seized of two green slate mountains Lingxia slate mountain and Luqiao slate mountain

工厂简介：工厂位于江西省武宁县，拥有两座绿色板岩矿山。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。