Resource efficiency in the clay brick and tile industryPart X: Fine grit from granite quarrying

1 Geological background and site

At the Henneberg quarry near Heberndorf, Thuringia, Lower Carboniferous granite is extracted and processed to obtain such high-quality building materials as high-grade stone chips, track ballast and mineral aggregate. The rock is excavated by means of borehole blasting followed by several rounds of crushing and sizing. The by-products include precipitation filler and crusher dust rich in feldspar with particle sizes < 2 mm. Opened in 1927 by the Fischer brothers, the mine now operates under the name Granitwerk Fischer GmbH & Co. KG and is located in Southern...

Related articles:

Issue 03/2013

Resource efficiency in the clay brick and tile industry Part V: Lateritic earth from quartzite processing

1 Geological background and site At Taben-Rodt Quarry, Lower Devonian hard rock is extracted and processed to high-grade chippings, track ballast and aggregates. The rock is loosened by means of...

more
Issue 06/2014

Resource efficiency in the clay brick and tile industry Part IX: Slate flour from phyllite sizing

1 Geological background and site At a site in Jarnoltowek, Poland, Dewon SP.ZO.O extracts greyish blue phyllitic slate and processes this with state-of-the-art screening and grinding equipment to...

more
Issue 10/2013

Resource efficiency in the clay brick and tile industry Part VII: Ferruginous clay from diabase extraction

1 Geological background and site Since 1952 diabase has been extracted at Huneberg Quarry and processed to high-quality aggregate and building materials mixes for traffic route engineering. The quarry...

more
Issue 04/2021

Modern raw materials for the clay brick and tile industry Part 2: Kaolin raw materials from Caminau surface mine

1 Geological background and site Not far from the A4 motorway, around 20?km north of the town of Bautzen in Germany, lies the largest coherent kaolin deposit in the former GDR, with an operating area...

more
Issue 04/2012

Resource efficiency in the clay brick and tile industry Part II: Recycled clay from the washing of variegated sandstone

1 Geological frame and location At Untschen Gravel Works near Gera, Germany, severely weathered clayey and pebbly sandstone is extracted and pro­cessed to road construction materials. In the...

more