Brazilian mining giant Vale opened a new US$1.7 billion coal mine in Mozambique yesterday, tapping the southern African countrys thermal and coking coal reserves of about 23 billion tonnes. Vale plans to start production in July and export...

An ore is a type of rock that contains minerals with important elements including metals. The ores are extracted through mining; these are then refined to extract the valuable elements. There are many important ore minerals, such as Acanthi...

Limestone rocks are sedimentary rocks that are made from the mineral calcite which came from the beds of evaporated seas and lakes and from sea animal shells. This rock is used in concrete and is an excellent building stone for humid region...

Granite is an igneous rock having crystals or grains of visible size, which consists mainly of quartz, feldspar, and mica or other colored minerals. Depending on the feldspar present, granite may be pink, dark gray, or light gray. Granite C...

The South Africa Kaolin crusher plant can be constructed by jaw crusher, vibrating feeder, vibrating screen, and belt conveyor. The kaolin grinding plant includes ball mill, hopper, classifier, elevator and so on....

Feldspar is the most common rock-forming mineral. Feldspars are a group of rock-forming tectosilicate minerals which make up as much as 60% of the Earth's crust. Feldspar is used in a wide variety of applications. One complete set of feldsp...

Gypsum is a common mineral, with thick and extensive evaporite beds in association with sedimentary rocks. Gypsum is used in a wide variety of applications, such as construction, concrete, fertilizer and so on. Gypsum crushing and grinding...