BGS Rock Classification Scheme
Seat-earth - A term for a bed of rock underlying a coal seam. It represents the soil that supported the vegetation from which the coal was formed. A highly siliceous seat earth is known as a ganister. British Geological Survey Research Report RR/99/03, section 13.6.
Code | SEAT |
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Description | Seat-earth - A term for a bed of rock underlying a coal seam. It represents the soil that supported the vegetation from which the coal was formed. A highly siliceous seat earth is known as a ganister. British Geological Survey Research Report RR/99/03, section 13.6. |
Qualifiers | No qualifiers currently exist. |
Definition | Sedimentary rock. Formed beneath a coal seam as soil supporting coal forming vegetation. May contain plant roots & debris. Compostion & grain size not defined. |
Linked data | http://data.bgs.ac.uk/id/EarthMaterialClass/RockName/SEAT |
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.