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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
2326 PSMGN  Psammite, gneissose  U  Gneissose psammite  gneissose        AWEL  29-JAN-01  TMCM  31-AUG-18    Metasedimentary rock (grain size undefined) with >5mm irregular/discontinuous layers of contrasting grain size, mineralogy <10% calc-silicate/carbonate min, >80% Q+F, <20% other minerals (mica/chlorite/garnet/cordierite/staurolite/Al-silicate minerals)  C 
2327 PSMH  Psammite, hornfelsed-micaceous  -  Hornfelsed-micaceous psammite  hornfelsed  micaceous      AWEL  13-FEB-01  TMCM  24-AUG-18    Not Available  O 
2328 PSMM  Psammite, migmatitic  U  Migmatitic psammite  migmatitic        AWEL  14-FEB-01  TMCM  31-AUG-18    Not Available  C 
2329 PSMMI  Psammite, migmatitic micaceous  U  Migmatitic micaceous psammite  migmatitic  micaceous      AWEL  28-FEB-01  TMCM  31-AUG-18    Not Available  C 
2330 PSMP  Psammite, micaceous pebbly  U  Micaceous pebbly psammite  micaceous  pebbly      AWEL  13-FEB-01  TMCM  31-AUG-18    Not Available  C 
2331 PSMPM  Psammite, pebbly migmatitic  U  Pebbly migmatitic psammite  pebbly  migmatitic      AWEL  14-FEB-01  TMCM  31-AUG-18    Not Available  C 
2332 PSMQZ  Psammite, quartzose  U  Quartzose psammite  quartzose        AWEL  05-MAR-01  TMCM  31-AUG-18    Not Available  C 
2333 PSMY  Psammite, mylonitic  U  Mylonitic psammite  mylonitic        AWEL  13-FEB-01  TMCM  31-AUG-18    Not Available  C 
2334 PSPYR  Ignimbrite  N  Ignimbrite          AWEL  21-MAY-02  TMCM  31-AUG-18    Not Available  C 
2335 PSQGM  Psammite, quartzose gneissose migmatitic  U  Quartzose gneissose migmatitic psammite  quartzose  gneissose  migmatitic    AWEL  14-FEB-01  TMCM  31-AUG-18    Not Available  C 
2336 PSSCH  Psammite, schistose  U  Schistose psammite  schistose        AWEL  07-MAR-01  TMCM  31-AUG-18    Not Available  C 
2337 PSSY  Pseudoleucite-syenite - A foid-syenite in which the dominant feldspathoid mineral is pseudoleucite. British Geological Survey Research Report RR/99/06, section 5.1 and fig. 9.  R  Pseudoleucite-syenite          AWEL  18-JUN-04  TMCM  22-FEB-19    Not Available  C 
2338 PSTACH  Pseudotachylite - A particular variety of cataclasite in which fragments occur in a glassy groundmass produced by frictional melting. It may be injected as veinlets into adjoining cataclasite. British Geological Survey Research Report RR/99/02, section 7.4.  R  Pseudotachylite          GRBA  24-FEB-00  TMCM  22-FEB-19    Unfoliated, rock with primary cohesion, (protolith undefined) comprising 10-50% fragments within a glassy matrix produced by frictional melting +/- recrystallisation that may be injected into the parent rock a cataclasite variant.  C 
2339 PSV  Peat, sandy, gravelly [Unlithified Deposits Coding Scheme]  U  Gravelly sandy peat [UDCS]  sandy  gravelly      AWEL  09-JAN-02  TMCM  30-AUG-18    Not Available  C 
2340 PSZ  Peat, sandy, silty [Unlithified Deposits Coding Scheme]  U  Silty sandy peat [UDCS]  sandy  silty      KAH  10-DEC-02  TMCM  30-AUG-18    Not Available  C 
2341 PSZC  Peat, sandy, silty, clayey [Unlithified Deposits Coding Scheme]  U  Clayey silty sandy peat [UDCS]  sandy  silty  clayey    KAH  10-DEC-02  TMCM  30-AUG-18    Not Available  C 
2342 PTRY  Rhyolite, pantelleritic - A type of rhyolite (TAS). In the Rock Classification Scheme, rhyolite (TAS) may be separated into comenditic and pantelleritic types as shown in British Geological Survey Research Report RR/99/06, section 5.2 and fig. 24.  U  Pantelleritic rhyolite  pantelleritic        AWEL  31-MAY-02  TMCM  22-FEB-19    Fine-grained, av. <0.25mm normal crystalline extrusive/intrusive rock; quartz 20-60% of QAPF, feldspar 35-90% alkali feldspar; Al2O3<1.33FeO+4.4  C 
2343 PTST  Pitchstone - A type of glassy-igneous-rock. It is a glassy, altered (hydrated/devitrified), igneous rock. The term has no compositional inference. British Geological Survey Research Report RR/99/06, section 8.3.  A  Pitchstone          GRBA  24-FEB-00  TMCM  22-FEB-19    Fine-grained, av. <0.25mm, altered (hydrated/devitrified), hypocrystalline to holohyaline extrusive/intrusive rock; originally >50% glass; composition not inferred  C 
2344 PTSTAC  Pitchstone, andesitic  U  Andesitic pitchstone  andesitic        DJLO  07-JUL-08  TMCM  31-AUG-18  I  Not Available  C 
2345 PTTR  Trachyte, pantelleritic - A type of trachyte (TAS). In the Rock Classification Scheme, trachyte (TAS) may be separated into comenditic and pantelleritic types as shown in British Geological Survey Research Report RR/99/06, section 5.2 and fig. 24.  U  Pantelleritic trachyte  pantelleritic        AWEL  22-MAY-02  TMCM  22-FEB-19    Fine-grained, av. <0.25mm normal crystalline extrusive/intrusive rock; quartz <5% of QAPF, feldspar 65-90%; Al2O3<1.33FeO+4.4  C 

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