High-quality sands and gravels long ago evolved into special products, as a result of rising demands for quality. In many sectors, classical wheel-loader aggregate mixes have now become inadequate for...

The Zingel quarry, situated on Lake Lauerz, near the town of Schwyz, has been operated by KIBAG Kies Seewen AG for no less than forty years. Hard rock has been quarried there for more than a century,...

On Monday, 9 April 2018, Prof. Dr. sc. techn. Drs. h.c. Heinrich Schubert, one of the most internationally renowned scientists in the field of mineral processing and process engineering, died. His...

M ore than a century after their invention, belt conveyors remain a key element in delivering bulk material to the process and production of products and material that feed the worlds burgeoning...

The Zingel quarry, situated on Lake Lauerz, near the town of Schwyz, has been operated by KIBAG Kies Seewen AG for no less than forty years. Hard rock has been quarried there for more than a century,...

M ore than a century after their invention, belt conveyors remain a key element in delivering bulk material to the process and production of products and material that feed the worlds burgeoning...