Distribution of coccoliths

The main domestic origin of coccoliths comes from the Yellow River. The resources in the middle and lower reaches of the Yangtze River are relatively abundant, mostly in the form of sediments.

In addition, coccolith resources are also relatively abundant in other areas, including Henan in the north. , Shandong, Liaoning, etc., and the south includes Guizhou, Chongqing, Guangxi and other places. The cobblestone resources have their own characteristics and are rich in variety.

Due to historical reasons, the pebble resources in Guizhou and Guangxi are relatively well preserved and rich in variety.

There are many large pebbles in the southwest. These pebbles are large in size and odd in shape, and are especially suitable for use as Feng Shui stones or cultural stones for landmark buildings.

On both sides of the middle reaches of the Yellow River in Henan, there are a large number of cobblestones, including quartz, granite and miscellaneous rocks. Among them, quartz cobbles account for about one-fifth of the total. Only in the suburbs of Henan Province The reserves of quartz ball stones in the quarries of Jiyuan City and Luoyang Mengjin County are about hundreds of thousands of tons, and they are relatively pure in texture, relatively high in density, and have a smooth and delicate surface. After being selected, they can be used as grinding materials in large-tonnage ball mills. Medium. Its grinding efficiency is high and the cost is low. It is worth recommending to ceramic enterprises in the central and western regions.