BGS Rock Classification Scheme

Wacke - A type of silicate-sandstone. In the Rock Classification Scheme, wackes have 15 - 75% matrix. British Geological Survey Research Report RR/99/03, section 2.2 and fig. 3.

Code WACKE
Description Wacke - A type of silicate-sandstone. In the Rock Classification Scheme, wackes have 15 - 75% matrix. British Geological Survey Research Report RR/99/03, section 2.2 and fig. 3.
Qualifiers No qualifiers currently exist.
Definition Siliciclastic arenaceous rock 15 to 75% matrix, (particles<0.032mm) Proportions/size quartz+ feldspar+rock fragments not defined
Linked data http://data.bgs.ac.uk/id/EarthMaterialClass/RockName/WACKE

CAVEAT

"Thumbnail" definitions attached to some of the table entries are an interim attempt to provide simple short descriptions of the "unqualified" rock types presented within the BGS Rock Classification Scheme. Every effort has been made to ensure accuracy and consistency but minor contradictions or omissions might be present. The BGS welcomes any feedback pointing out such minor imperfections and/or providing constructive comment and suggestions for improvement of the definitions. In the first instance such feedback should be directed to Dr Tim McCormick.