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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
2166 OLMELO  Olivine-melilitolite - A type of ultramafic-melilitic-rock. Melilitolite is the general name for coarse-grained melilitic rocks, and they are classified according to their melilite - olivine - clinopyroxene content. Olivine-melilitolite replaces the special varietal term kugdite. British Geological Survey Research Report RR/99/06, section 6.2 and fig. 28a.  Olivine-melilitolite          GRBA  24-FEB-00  TMCM  22-FEB-19    Coarse-grained, av. between 2-16mm exotic crystalline intrusive rock; melilite 10-90%, olivine 10-90%, clinopyroxene <10% of Mel+Ol+Cpx, formerly Kugdite 
2167 OLNO  Olivine-norite - A type of gabbro. In the Rock Classification Scheme, it is a gabbro with plagioclase 10 - 90%, pyroxene 5 - 85% (<5% clinopyroxene) and olivine >85% of plagioclase + pyroxene + olivine. British Geological Survey Research Report RR/99/06, section 5.1 and figs. 13, 14.  Olivine-norite          GRBA  24-FEB-00  TMCM  22-FEB-19    Coarse-grained, av. between 2-16mm normal crystalline intrusive rock; quartz <5% of QAPF, feldspar >90% plagioclase (>50% An), plagioclase 10-90%, pyroxene 5-85% (<5% clinopyroxene), olivine >85%, of Plag+Px+Ol, +/-mica/amphibole; formerly Hyperite 
2168 OLOPGB  Olivine-orthopyroxene-gabbro - A type of gabbro. In the Rock Classification Scheme, it is a gabbro with plagioclase 10 - 90%, pyroxene 5 - 85% (<45% orthopyroxene) and olivine 5 - 85% of plagioclase + pyroxene + olivine. British Geological Survey Research Report RR/99/06, section 5.1 and figs. 13, 14.  Olivine-orthopyroxene-gabbro          GRBA  24-FEB-00  TMCM  22-FEB-19    Coarse-grained, av. between 2-16mm normal crystalline intrusive rock; quartz <5% of QAPF, feldspar >90% plagioclase (>50% An), plagioclase 10-90% , pyroxene 5-85% (<45% orthopyroxene), olivine 5-85% of Plag+Px+Ol, +/-mica/amphibole 
2169 OLOPXT  Olivine-orthopyroxenite - A type of olivine-pyroxenite. In the Rock Classification Scheme, it is an olivine-pyroxenite with olivine 5 - 40%, pyroxene 55 - 90% (<5% clinopyroxene) and hornblende <5% of olivine + pyroxene + hornblende. British Geological Survey Research Report RR/99/06, section 5.1 and figs. 15, 16.  Olivine-orthopyroxenite          GRBA  24-FEB-00  TMCM  22-FEB-19    Coarse-grained, av. between 2-16mm normal crystalline intrusive rock; CI M>90%; olivine 5-40%, pyroxene 55-90% (<5% clinopyroxene), hornblende <5% of Ol+Px+Hb, +/-mica/feldspar 
2170 OLPXHB  Olivine-pyroxene-hornblendite - A type of hornblendite. In the Rock Classification Scheme, it is a hornblendite with hornblende 30 - 90%, olivine 5 - 40% and pyroxene 5 - 47% of olivine + pyroxene + hornblende. British Geological Survey Research Report RR/99/06, section 5.1 and figs. 15, 16.  Olivine-pyroxene-hornblendite          GRBA  24-FEB-00  TMCM  22-FEB-19    Coarse-grained, av. between 2-16mm normal crystalline intrusive rock; CI M>90%; hornblende 30-90%, olivine 5-40%, pyroxene 5-47% of Px+Ol+Hb, +/-mica/feldspar 
2171 OLPXK  Kalsilitite, olivine-pyroxene - A type of kalsilitite. British Geological Survey Research Report RR/99/06, figs. 29, 30. Synonym: mafurite.  Olivine-pyroxene kalsilitite  olivine  pyroxene      AWEL  17-DEC-04  TMCM  22-FEB-19    Fine-grained av. <0.25mm exotic crystalline extrusive/intrusive rock; olivine10%)+glass; no phlogopite, leucite or melilite; formerly Mafurite 
2172 OLPXKO  Kalsilitolite, olivine-pyroxene - This would be a type of kalsilitolite.  Olivine-pyroxene kalsilitolite  olivine  pyroxene      GRBA  24-FEB-00  TMCM  22-FEB-19    Not Available 
2173 OLPXMO  Olivine-pyroxene-melilitolite - A type of ultramafic-melilitic-rock. Melilitolite is the general name for coarse-grained melilitic rocks, and they are classified according to their melilite - olivine - clinopyroxene content. Olivine-pyroxene-melilitolite replaces the special varietal term olivine uncompahgrite. British Geological Survey Research Report RR/99/06, section 6.2 and fig. 28a.  Olivine-pyroxene-melilitolite          GRBA  24-FEB-00  TMCM  22-FEB-19    Coarse-grained, av. between 2-16mm exotic crystalline extrusive/intrusive rock; melilite 10-80%, clinopyroxene 10-80%, olivine 10-45% of Mel+Ol+Cpx, clinopyroxene>olivine; formerly Uncompahgrite 
2174 OLPXT  Olivine-pyroxenite - A type of pyroxenite. In the Rock Classification Scheme, it is a pyroxenite with olivine 5 - 40%, pyroxene 55 - 90% and hornblende <5% of olivine + pyroxene + hornblende. British Geological Survey Research Report RR/99/06, section 5.1 and figs. 15, 16.  Olivine-pyroxenite          GRBA  24-FEB-00  TMCM  22-FEB-19    Coarse-grained, av. between 2-16mm normal crystalline intrusive rock; CI M>90%; olivine 5-40%, pyroxene 55-90%, hornblende <5% of Ol+Px+Hb, +/-mica/feldspar 
2175 OLWEBS  Olivine-websterite - A type of olivine-pyroxenite. In the Rock Classification Scheme, it is an olivine-pyroxenite with olivine 5 - 40%, orthopyroxene 5 - 90% and clinopyroxene 5 - 90% of olivine + orthopyroxene + clinopyroxene. British Geological Survey Research Report RR/99/06, section 5.1 and figs. 15, 16.  Olivine-websterite          GRBA  24-FEB-00  TMCM  22-FEB-19    Coarse-grained, av. between 2-16mm normal crystalline intrusive rock; CI M>90%; olivine 5-40%, orthopyroxene 5-90%, clinopyroxene 5-90% of Ol+Opx+Cpx, +/-mica/amphibole/feldspar 
2176 OPHW  Hawaiite, olivine-phyric  Olivine-phyric hawaiite  olivine-phyric        AWEL  21-MAY-02  TMCM  31-AUG-18    Not Available 
2177 OPORCE  Opaline-porcellanite - A type of porcellanite in which the silica includes amorphous silica (opal-A), opal CT, low-cristobalite and tridymite. British Geological Survey Research Report RR/99/03, section 8.2 and fig. 12.  Opaline-porcellanite          GRBA  24-FEB-00  TMCM  08-MAR-19    Non-clastic siliceous sedimentary rocks with >50% silica of biogenic or chemical origin, porosity 15 to 30%. Texture, lustre & conchoidal fracture of porcelain. Silica, amorphous (opal-A), opal CT, low-cristobalite & tridymite. Dominantly <0.004mm 
2178 OPXGB  Orthopyroxene-gabbro - A type of gabbro. In the Rock Classification Scheme, it is a gabbro with plagioclase 10 - 90%, pyroxene 5 - 85% (<45% orthopyroxene) and olivine <5% of plagioclase + pyroxene + olivine. British Geological Survey Research Report RR/99/06, section 5.1 and figs. 13, 14.  Orthopyroxene-gabbro          GRBA  24-FEB-00  TMCM  22-FEB-19    Coarse-grained, av. between 2-16mm normal crystalline intrusive rock; quartz <5% of QAPF, feldspar >90% plagioclase (>50% An), plagioclase 10-90% , pyroxene 5-85% (<45% orthopyroxene), olivine <5%, of Plag+Px+Ol; +/-mica/amphibole/olivine 
2179 OPXT  Orthopyroxenite - A type of pyroxenite (s.s.) in which the pyroxene is entirely or almost entirely orthopyroxene. In the Rock Classification Scheme, it is a pyroxenite with olivine <10%, orthopyroxene >90% and clinopyroxene <10% of olivine + orthopyroxene + clinopyroxene. British Geological Survey Research Report RR/99/06, section 5.1 and figs. 15, 16.  Orthopyroxenite          GRBA  24-FEB-00  TMCM  22-FEB-19    Coarse-grained, av. between 2-16mm normal crystalline intrusive rock; CI M>90%; olivine <10%, orthopyroxene >90%, clinopyroxene <10% of Ol+Opx+Cpx, +/-mica/feldspar/hornblende 
2180 ORCL  Clay, organic  Organic clay  organic        GRBA  24-FEB-00  TMCM  31-AUG-18    Not Available 
2181 ORGWAS  Organic waste - A type of artifical deposit. It consists of waste materials containing carbon compounds, such as wood, plant materials, coal. British Geological Survey Research Report RR/99/04, appendix 1.  Organic waste          GRBA  24-FEB-00  TMCM  13-MAR-19    Not Available 
2182 ORMUD  Mud, organic  Organic mud  organic        GRBA  24-FEB-00  TMCM  31-AUG-18    Not Available 
2183 OROC  Sedimentary-rock rich in organic matter - British Geological Survey Research Report RR/99/03, section 6.  Sedimentary-rock rich in organic matter          GRBA  24-FEB-00  TMCM  08-MAR-19    Not Available 
2184 ORSA  Sand, organic  Organic sand  organic        GRBA  24-FEB-00  TMCM  31-AUG-18    Not Available 
2185 ORSI  Silt, organic  Organic silt  organic        GRBA  24-FEB-00  TMCM  31-AUG-18    Not Available 

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