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Polen/Zuckmanteler Bergland
Deutschland/Oldenburger Land

New Materials

We supply brickworks in Germany and neighbouring countries with new raw material potential. Raw material geological services for the exploration of deposits and clay mineralogical laboratory tests augmented the offer.


Clay Mineral Filter Cakes

Used as plastic additives in the brick industry. Filter cakes have unique properties. Depending on the mineralogy, they improve the thermal insulation of the bricks or other product properties.


Rock Dust/Filler and Crushed Sand

Added as low-quartz nonplastic material and drying agent in brickmasses. The use of moistened stone filler is ideal for transport and dust-free processing in brickworks.


Claystones and Shales

Geologically solidified clays are mainly used to expand the grain band in the coarse grain range and to optimize the economically production. Weathered clays/slate clays are particularly suitable.


Plastic Clays

Replasticized palaeozoic/mesozoic clay rocks as well as Cenozoic clays and kaolins are indispensable basic raw materials for the brick and tile industry. They enable plastic shaping as well as an effective sintering process.


Brick and Tile Industry

Background information on modified raw material potential of German brick and tile industry. Geological correlation of more than 500 quarries and works. High quality paleogeographical maps.


Geo Ceramic Laboratory

Combining geology and ceramics, we offer exploration of deposits, mass optimization and suitability tests as well as clay mineralogical laboratory tests.


Microscopy of Clay

Monocrystals, microcrystalline paragenesis and rock fragments in sieving grain size can affect the quality of ceramic raw materials and products significantly. The modern microscopy opens up new dimensions of raw material evaluation.

In practice, the effect of sieving residue on the production process depends on its type and amount, as well as its grain size and shape. Beside these characteristics the plant-specific raw material processing has a decisive influence on the quality of ceramic surfaces.

The bigger part of the sieving residue is detritus. In other words weathering-resistant material of source rocks, which together with newly formed clay minerals and iron phases is eroded, transported and sedimented in geological depressions. These usually are minerals like quartz, feldspar and mica, but also hematite, goethite and rock fragments. The grain size and roundness  of the detritus is affected by the geological transport by wind, water and ice. 

Furthermore, the sieving residue can contain subsequently formed minerals from the deposited clay sediment like pyrite, marcasite, siderite, calcite, dolomite, gypsum and glauconite. In general detritus and secondary mineral formations are covered with an opaque clay matrix. A laboratory preparation is required to examine the residue under the microscope.

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