BGS Rock Classification Scheme - Text search results
21 records found. Please click on a code for a "thumbnail" definition.
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| Description | Code |
|---|---|
| Ganister - A type of quartz-arenite. It is a hard, fine-grained, quartz-arenite, cemented with silica and possessing a splintery fracture. Traces of roots may be visible. It is associated with coal seams. British Geological Survey Research Report RR/99/03, section 13.6. See also: seat-earth. | SISTCC |