At the beginning of October 2013 Sandvik Construction presented its new mobile crushers and screens to customers and distributors from all Sandvik’s sales areas worldwide. A visit to Sandvik’s...
After around 40 years of being mothballed, a mine was reopened in Niederschlag near Oberwiesental in Germany at the beginning of November 2013. Following around three years’ work opening up the...
To ensure safe and efficient screening processes, material, aperture shape, weave, and screening machine must be optimally adapted to the products to be screened. The Haver & Boecker product range...
Based in Upper Austria, the Feichtinger KG has been extracting quartz since 1972. With currently 18 employees, the company supplies around 30 000 t quartz per year to RW silicium GmbH.
To meet...
Here, ore mining began in the fourth century - a date which is supported by remains of melting furnaces found in the small Styrian town called Eisenerz (the German word for iron ore). The name could...
Transport crawlers are indispensable for the transport of large and heavy subassemblies of any kind, but also of complete opencast mining equipment, head or tail stations of conveyor systems (Fig. 1)...
Effect of microwave heat treatment on the grindability of zircon in a planetary ball mill
1 Introduction
Zircon is used in industry in a wide range of applications, as zircon sand directly from the mine; as a milled product in the form of zircon flour (95 % micronized to < 45 µm...
W olfram Camp (Australia) was first discovered in 1894, and has operated intermittently under a number of owners producing Tungsten, Molybdenum and Bismuth Concentrates. In 2008, Open Cut Mining and...
Brazil
According to data from the United States Geological Survey (USGS), Brazil is the country with the largest reserves of rare earth elements in the world, having approximately 3500 million tons...
The NEW Terex® Finlay I-100RS direct drive Ø 860 x 860 mm (34” x 34”) horizontal impact crusher with variable speed gives operators unprecedented levels of fuel efficiency and production...