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DIC_ROCK_ALL (3677 rows)
Dictionary table based on the entire version 3 of the BGS Rock Classification Scheme and is populated directly from the 3 supplying tables (BGS.ROCK_NAME_V3, BGS.ROCK_COMPOSITE and BGS.DIC_ROCK_DUMMY). It contains both the base rock names and addditional codes required for specific application, eg. composite names for use on digital geological maps. It is formally approved as the official source of ALL database codes to be used in BGS corporate databases and MUST be followed.


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Row CODE SOURCE_CODE DESCRIPTION TRANSLATION STATUS USER_ENTERED DATE_ENTERED USER_UPDATED DATE_UPDATED TRANSFER RCS_STATUS
761 FEST  RN  Ironstone - In the Rock Classification Scheme, all lithified iron-rich sedimentary rocks are given this group name. This is the lithified equivalent of iron-sediment. The textural classification of ironstones follows that for limestone. The classification of ironstones composed dominantly of one constituent similarly follows that for limestone. British Geological Survey Research Report RR/99/03, section 5.2 and fig. 9.  Ironstone  C  GRBA  24-FEB-00  TMCM  08-MAR-19    A 
762 FESTC  RN  Clay-ironstone  Clay-ironstone  C  AWEL  16-MAR-04  TMCM  31-AUG-18    N 
763 FESTN  RN  Ironstone nodular  Nodular ironstone  C  AWEL  17-OCT-03  TMCM  31-AUG-18    U 
764 FEWST  RN  Iron-wackestone - A type of ironstone, classified on the basis of its depositional texture. In the Rock Classification Scheme, it is a matrix-supported ironstone composed of less than 75% matrix (mud-grade material smaller than 32 µm). British Geological Survey Research Report RR/99/03, section 5.2, table 14 and fig. 9.  Iron-wackestone  C  GRBA  24-FEB-00  TMCM  08-MAR-19    R 
765 FGECR  RN  Fine-grained-crystalline-rocks [exotic]  Fine-grained-crystalline-rocks [exotic]  C  AWEL  17-DEC-04  TMCM  31-AUG-18  I  N 
766 FGLM  RC  Ferruginous limestone and ferruginous mudstone  Ferruginous limestone and ferruginous mudstone  C  DJLO  18-MAY-06  TMCM  24-AUG-18  I  ? 
767 FGLS  RC  Ferruginous limestone and ferruginous sandstone  Ferruginous limestone and ferruginous sandstone  C  DJLO  18-MAY-06  TMCM  24-AUG-18  I  ? 
768 FGNR  RN  Fine-grained normal crystalline rock - In the Rock Classification Scheme, a crystalline rock is fine-grained if its average crystal size is less than 0.25 mm. This classification is used for fine-grained, very fine-grained, and glassy crystalline igneous rocks. The class includes felsite, mafite, glassy-igneous-rock, and porphyry. This group corresponds to the volcanic division of the IUGS scheme. British Geological Survey Research Report RR/99/06, section 1.3 and figs. 1, 3.  Fine-grained normal crystalline rock  C  AWEL  08-JUN-01  TMCM  22-FEB-19    A 
769 FGOUGE  RN  Fault-gouge - A type of mechanically broken rock without primary cohesion. In the Rock Classification Scheme, a fault-gouge may be strongly foliated, and comprises less than 30% fragments lying in fine-grained, commonly clayey matrix. British Geological Survey Research Report RR/99/02, section 7.1 and table 3.  Fault-gouge  C  GRBA  24-FEB-00  TMCM  22-FEB-19    R 
770 FGSI  RC  Ferruginous sandstone and ironstone  Ferruginous sandstone and ironstone  C  DJLO  18-MAY-06  TMCM  24-AUG-18  I  ? 
771 FGSM  RC  Ferruginous sandstone and ferruginous mudstone  Ferruginous sandstone and ferruginous mudstone  C  TMCM  14-FEB-12  TMCM  24-AUG-18  I  ? 
772 FGSST  RN  Sandstone, ferruginous  Ferruginous sandstone  C  AWEL  10-JUN-02  TMCM  31-AUG-18    U 
773 FHRMR  RN  Fayalite-hedenbergite-rock, magnetite-rich  Magnetite-rich fayalite-hedenbergite-rock  C  AWEL  19-MAR-04  TMCM  31-AUG-18    U 
774 FILLU  RN  Fill - A type of artifical deposit. It is a general term for material used to infill a void or cavity in the earth's surface or sub-surface. Constructional fill (made ground) is material placed above the natural earth surface. British Geological Survey Research Report RR/99/04, appendix 1.  Fill  C  AWEL  25-FEB-00  TMCM  13-MAR-19    R 
775 FINES  RN  Fines (silts and clays) - A type of artificial deposit. In the Rock Classification Scheme, this refers to sediment grains less than 1/16 mm in size. British Geological Survey Research Report RR/99/04, table 8a.  Fines (silts and clays)  C  GRBA  24-FEB-00  TMCM  13-MAR-19    R 
776 FIS  RN  Fine-sand [Unlithified Deposits Coding Scheme - Extended]  Fine-sand [UDCS-X]  C  TMCM  28-MAY-20      I  U 
777 FLAVA  RN  Lava, felsic  Felsic lava  C  AWEL  21-MAY-02  TMCM  31-AUG-18    U 
778 FLGRAV  RN  Gravel, flinty [Obsolete code: use VFLY]  Flinty gravel  O  AWEL  11-JUN-02  TMCM  02-OCT-20    U 
779 FLIR  RC  Ferruginous limestone and ironstone  Ferruginous limestone and ironstone  C  DJLO  18-MAY-06  TMCM  24-AUG-18  I  ? 
780 FLMD  RC  Felsite and microdioritic-rock  Felsite and microdioritic-rock  C  DJLO  18-MAY-06  TMCM  24-AUG-18  I  ? 

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