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DIC_ROCK_NAMEV3 (3025 rows)
Dictionary table which is part of version 3 of the BGS Rock Classification Scheme. The main part of the RCS - it contains only single lithologies.


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Row CODE DESCRIPTION RCS_STATUS TRANSLATION Q1 Q2 Q3 Q4 USER_ENTERED DATE_ENTERED USER_UPDATED DATE_UPDATED TRANSFER DEFINITION_BKING STATUS
901 LP  Cobbles, peaty [Unlithified Deposits Coding Scheme]  U  Peaty cobbles [UDCS]  peaty        AWEL  09-JAN-02  TMCM  30-AUG-18    Clastic sediment, clasts >50% or dominantly, cobble-grade 64-256mm. 5-20% peat.  C 
902 LPASH  Lapilli-ash - A type of pyroclastic-sediment. In the Rock Classification Scheme, it is a pyroclastic-sediment in which the average size of more than 75% of the pyroclastic fragments is less than 64 mm. Lapilli-tephra, lapilli-ash, and ash are separated according to the relative proportion of lapilli-grade (2 - 64 mm) and ash-grade (<2 mm) fragments: if between 25% and 75% of the fragments are lapilli the sediment is lapilli-ash. It is the unconsolidated equivalent of lapilli-tuff. British Geological Survey Research Report RR/99/06, section 4.2 and fig. 4.  R  Lapilli-ash          GRBA  24-FEB-00  TMCM  15-FEB-19    Unlithified clastic material >10% debris formed by volcanic processes, >75vol% pyroclastic fragments, 25-75% lapilli 2-64mm; a pyroclastic sediment  C 
903 LPDLRM  Lamproite, diopside-leucite-richterite-madupitic - A type of lamproite. The term madupitic indicates that the rock contains poikilitic groundmass phlogopite, as opposed to a phlogopite lamproite in which the phlogopite occurs as phenocrysts. British Geological Survey Research Report RR/99/06, section 6.5. Synonym: wolgidite.  U  Diopside-leucite-richterite-madupitic lamproite  diopside  leucite  richterite  madupitic  AWEL  17-DEC-04  TMCM  22-FEB-19    Exotic crystalline rock; diop C 
904 LPHEP  Lamproite, hyalo-enstatite-phlogopite - A type of lamproite. British Geological Survey Research Report RR/99/06, section 6.5. Synonym: fortunite.  U  Hyalo-enstatite-phlogopite lamproite  hyalo  enstatite  phlogopite    AWEL  17-DEC-04  TMCM  22-FEB-19    Exotic crystalline/glassy rock; enstatite C 
905 LPHODP  Lamproite, hyalo-olivine-diopside-phlogopite - A type of lamproite. British Geological Survey Research Report RR/99/06, section 6.5. Synonym: verite.  U  Hyalo-olivine-diopside-phlogopite lamproite  hyalo  olivine  diopside  phlogopite  AWEL  17-DEC-04  TMCM  22-FEB-19    Exotic crystalline/glassy rock; forsteritic olivine C 
906 LPODR  Lamproite, olivine-diopside-richterite  U  Olivine-diopside-richterite lamproite  olivine  diopside  richterite    AWEL  17-DEC-04  TMCM  31-AUG-18    Exotic crys'ine intrusive, fors oliv3  C 
907 LPODRM  Lamproite, olivine-diopside-richterite-madupitic - A type of lamproite. The term madupitic indicates that the rock contains poikilitic groundmass phlogopite, as opposed to a phlogopite lamproite in which the phlogopite occurs as phenocrysts. British Geological Survey Research Report RR/99/06, section 6.5. Synonym: jumillite.  U  Olivine-diopside-richterite-madupitic lamproite  olivine  diopside  richterite  madupitic  AWEL  17-DEC-04  TMCM  22-FEB-19    Exotic crys'ine rock; fors olivine C 
908 LPST  Lapillistone - A type of pyroclastic-rock. In the Rock Classification Scheme, it is a pyroclastic-rock in which the average size of more than 75% of the pyroclastic fragments is less than 64 mm. Lapillistone, lapilli-tuff, and tuff are separated according to the relative proportion of lapilli-grade (2 - 64 mm) and ash-grade (<2 mm) fragments: if more than 75% of the fragments are lapilli the rock is lapillistone. It is the consolidated equivalent of lapilli-tephra. British Geological Survey Research Report RR/99/06, section 4.2 and fig. 4.  R  Lapillistone          GRBA  24-FEB-00  TMCM  15-FEB-19    Lithified clastic material >10% debris formed by volcanic processes, >75vol% pyroclastic fragments, >75% lapilli 2-64m, name is preferred to lapilli-tuff of IUGS; a pyroclastic rock  C 
909 LPTPH  Lapilli-tephra - A type of pyroclastic-sediment. In the Rock Classification Scheme, it is a pyroclastic-sediment in which the average size of more than 75% of the pyroclastic fragments is less than 64 mm. Lapilli-tephra, lapilli-ash, and ash are separated according to the relative proportion of lapilli-grade (2 - 64 mm) and ash-grade (<2 mm) fragments: if more than 75% of the fragments are lapilli the sediment is lapilli-tephra. It is the unconsolidated equivalent of lapillistone. British Geological Survey Research Report RR/99/06, section 4.2 and fig. 4.  R  Lapilli-tephra          GRBA  24-FEB-00  TMCM  15-FEB-19    Unlithified clastic material >10% debris formed by volcanic processes, >75vol% pyroclastic fragments, >75% lapilli 2-64mm; a pyroclastic sediment  C 
910 LPTUF  Lapilli-tuff - A type of pyroclastic-rock. In the Rock Classification Scheme, it is a pyroclastic-rock in which the average size of more than 75% of the pyroclastic fragments is less than 64 mm. Lapillistone, lapilli-tuff, and tuff are separated according to the relative proportion of lapilli-grade (2 - 64 mm) and ash-grade (<2 mm) fragments: if between 25% and 75% of the fragments are lapilli the rock is lapilli-tuff. It is the consolidated equivalent of lapilli-ash. British Geological Survey Research Report RR/99/06, section 4.2 and fig. 4.  R  Lapilli-tuff          GRBA  24-FEB-00  TMCM  15-FEB-19    Lithified poorly sorted clastic material >10% debris formed by volcanic processes, >75vol% pyroclastic fragments, 25-75% lapilli 2-64mm; a pyroclastic rock, IUGS term.  C 
911 LS  Cobbles, sandy [Unlithified Deposits Coding Scheme]  U  Sandy cobbles [UDCS]  sandy        AWEL  09-JAN-02  TMCM  30-AUG-18    Clastic sediment, clasts >50% or dominantly, cobble-grade 64-256mm. 5-20% sand-grade 0.032-2mm clasts. Composition undefined.  C 
912 LSC  Cobbles, sandy, clayey [Unlithified Deposits Coding Scheme]  U  Clayey sandy cobbles [UDCS]  sandy  clayey      DJLO  20-FEB-09  TMCM  30-AUG-18  I  Not Available  C 
913 LSGRAV  Limestone, gravelly  U  Gravelly limestone  gravelly        AWEL  31-MAY-02  TMCM  31-AUG-18    Sediment with components >50% calcite/aragonite. Clasts >50% or predominantly gravel-grade, >2mm.  C 
914 LSMYL  Limestone, mylonitic  U  Mylonitic limestone  mylonitic        AWEL  30-JUL-02  TMCM  31-AUG-18    A marble, crystals >50% calcite/aragonite. Deformed (ductile), intensely foliated rock with primary cohesion, containing 10-50% porphyroclasts(commonly lensoid with tails indicating shearing sense) in a finer grained dynamically recrystallised matrix.  C 
915 LSP  Cobbles, sandy, peaty [Unlithified Deposits Coding Scheme]  U  Peaty sandy cobbles [UDCS]  sandy  peaty      AWEL  09-JAN-02  TMCM  30-AUG-18    Clastic sediment, clasts >50% or dominantly, cobble-grade 64-256mm. Peat > sand-grade 0.032-2mm clasts, both 5-20vol%.  C 
916 LSV  Cobbles, sandy, gravelly [Unlithified Deposits Coding Scheme]  U  Gravelly sandy cobbles [UDCS]  sandy  gravelly      AWEL  09-JAN-02  TMCM  30-AUG-18    Clastic sediment, clasts >50% or dominantly, cobble-grade 64-256mm. Gravel-grade >2mm clasts >sand-grade 0.032-2mm clasts, both 5-20vol%. Composition undefined.  C 
917 LSZ  Cobbles, sandy, silty [Unlithified Deposits Coding Scheme]  U  Silty sandy cobbles [UDCS]  sandy  silty      AWEL  16-FEB-04  TMCM  30-AUG-18    Clastic sediment, clasts >50% or dominantly, cobble-grade 64-256mm. Silt-grade 0.004-0.032mm particles >sand-grade 0.032-2mm clasts, both 5-20vol%. Composition undefined.  C 
918 LUCTI  Leucitite - A foidite in which leucite is the only, or virtually the only, feldspathoid mineral. British Geological Survey Research Report RR/99/06, sections 5.2, 6.6.  R  Leucitite          GRBA  24-FEB-00  TMCM  22-FEB-19    Fine-grained, av. <0.25mm normal crystalline intrusive rock containing leucite phenocrysts (dominant/only feldspathoid); feldspathoids >90%, feldspar <10% of QAPF, +/- mica/pyroxene  C 
919 LUCTO  Leucitolite - A foidolite in which the dominant feldspathoid mineral is leucite. British Geological Survey Research Report RR/99/06, section 5.1 and fig. 9.  R  Leucitolite          GRBA  24-FEB-00  TMCM  22-FEB-19    Coarse-grained, av. between 2-16mm normal crystalline intrusive rock containing leucite phenocrysts (dominant/only felspathoid); feldspathoids >60%, feldspar<40% of QPAF, +/-mica/pyroxene  C 
920 LUCTPH  Tephritic-leucitite - A type of leucitite. In the Rock Classification Scheme, this rock plots in field 15b on the quartz - alkali feldspar - plagioclase - feldspathoid (QAPF) diagram; foids constitute 60 to 90% of light-coloured constituents; plagioclase is dominant over alkali feldspar. British Geological Survey Research Report RR/99/06, sections 5.2, 6.6.  R  Tephritic-leucitite          AWEL  17-DEC-04  TMCM  22-FEB-19    Fine-grained, av. <0.25mm porphyritic textured normal crystalline intrusive rock with phenocrysts of leucite, dominant/only felspathoid; feldspathoids 60-90% of QAPF, feldspar >50% plagioclase, +/-mica/pyroxene  C 

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