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porcelain clay 瓷土,高嶺土。

porcelain enamel

Huangmei has a rich reserve of underground minerals , 15 sorts are proven to have exploitation value , of which , limonite and siderite have a reserve of 58 million tons , the tenor is around 45 % , being concentrated ; quartz is of 100 million tons ; gypsum mine is 270 million tons ; barite is 500 , 000 tons and silex of 10 million tons ; porcelain clay , limestone , shale and granite are extensively distributed and of large reserve 黃梅地下礦產豐富,已探明有開采價值的礦產資源15種,其中褐鐵礦、菱鐵礦儲量5800萬噸,品位45 %左右,分布集中;石英礦1億噸;石膏礦2 . 7億噸;重晶石50萬噸;硅石1000萬噸;瓷土、石灰石、頁巖石、花崗巖分布廣、儲量大。

The high quality porcelain clay had to be dug out from the hillside . its large output of household ceramics made wun yiu village famous throughout hong kong and the guangdong province . however , the operation of the pottery kilns was stopped in 1918 because of fierce competition with imports 此村曾以制造陶瓷聞名,該處的泥土呈白色,而制造陶瓷的優良黏土則藏于泥土底下,所筑灰窯制造大量日常應用的陶瓷器皿,馳譽香港及廣東省。

On the site of gathering porcelain clay for the kiln of bijia shan in song dynasty 試論宋代筆架山潮州窯的瓷土采集地

A . i see , and these mineral form various kinds of porcelain clay , right 哦,這些礦物質構成不同的瓷土,對吧