Vocabularies — view dictionary terms
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.
Displaying rows 2406 to 2425 of 3025
| Row | CODE | DESCRIPTION | RCS_STATUS | TRANSLATION | Q1 | Q2 | Q3 | Q4 | USER_ENTERED | DATE_ENTERED | USER_UPDATED | DATE_UPDATED | TRANSFER | DEFINITION_BKING | STATUS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2406 | QLA | Quartz-latite - A type of trachytic-rock. In the Rock Classification Scheme, this name is used for a fine-grained crystalline igneous rock when the modal mineralogy is available, and the mineral mode plots in field 8* of the quartz - alkali feldspar - plagioclase - feldspathoid (QAPF) diagram. British Geological Survey Research Report RR/99/06, section 5.2 and figs. 17a, 19. | R | Quartz-latite | GRBA | 24-FEB-00 | TMCM | 22-FEB-19 | Fine-grained, av. <0.25mm normal crystalline extrusive/intrusive rock; quartz 5-20% of QAPF, feldspar 35-65% alkali feldspar | C | |||||
| 2407 | QMZ | Quartz-monzonite - A type of syenitic-rock. In the Rock Classification Scheme, it is a coarse-grained crystalline igneous rock whose mineral mode plots in field 8* of the quartz - alkali feldspar - plagioclase - feldspathoid (QAPF) diagram. British Geological Survey Research Report RR/99/06, section 5.1 and figs. 9, 11, 12. | R | Quartz-monzonite | GRBA | 24-FEB-00 | TMCM | 22-FEB-19 | Coarse-grained, av. between 2-16mm normal crystalline intrusive rock; quartz 5-20% of QAPF, feldspar 35-65% plagioclase, +/- mica/amphibole | C | |||||
| 2408 | QMZDI | Quartz-monzodiorite - A type of dioritic-rock. In the Rock Classification Scheme, it is a coarse-grained crystalline igneous rock whose mineral mode plots in field 9* of the quartz - alkali feldspar - plagioclase - feldspathoid (QAPF) diagram. Quartz-monzodiorite and quartz-monzogabbro are separated according to the average composition of their plagioclase: if An (the anorthite content of plagioclase) is less than 50% the rock is quartz-monzodiorite. British Geological Survey Research Report RR/99/06, section 5.1 and figs. 9, 11, 12. | R | Quartz-monzodiorite | GRBA | 24-FEB-00 | TMCM | 22-FEB-19 | Coarse-grained, av. between 2-16mm normal crystalline intrusive rock; quartz 5-20% of QAPF, feldspar 65-90% plagioclase (<50% An), +/-mica/pyroxene/amphibole/olivine | C | |||||
| 2409 | QMZGB | Quartz-monzogabbro - A type of gabbroic-rock. In the Rock Classification Scheme, it is a coarse-grained crystalline igneous rock whose mineral mode plots in field 9* of the quartz - alkali feldspar - plagioclase - feldspathoid (QAPF) diagram. Quartz-monzodiorite and quartz-monzogabbro are separated according to the average composition of their plagioclase: if An (the anorthite content of plagioclase) is greater than 50% the rock is quartz-monzogabbro. British Geological Survey Research Report RR/99/06, section 5.1 and figs. 9, 11, 12. | R | Quartz-monzogabbro | GRBA | 24-FEB-00 | TMCM | 22-FEB-19 | Coarse-grained, av. between 2-16mm normal crystalline intrusive rock; quartz 5-20% of QAPF, feldspar 65-90% plagioclase (>50% An), +/-mica/pyroxene/amphibole/olivine | C | |||||
| 2410 | QNO | Norite, quartz | U | Quartz norite | quartz | AWEL | 22-MAY-02 | TMCM | 31-AUG-18 | Coarse-grained, av. between 2-16mm normal crystalline intrusive rock; quartz 5-20% of QAPF, feldspar >90% plagioclase (>50% An); 10-90% plagioclase, <5% olivine & 5-90% pyroxene, (<5% clinopyroxene), of Plag+Ol+Px, +/-mica/amphibole/olivine | C | ||||
| 2411 | QPORC | Quartzose-porcellanite - A type of porcellanite in which the silica consists predominantly of quartz. British Geological Survey Research Report RR/99/03, section 8.2 and fig. 12. | R | Quartzose-porcellanite | GRBA | 24-FEB-00 | TMCM | 08-MAR-19 | Non-clastic siliceous sedimentary rock with >50% silica of biogenic or chemical origin, porosity 15 to 30% with texture, lustre & conchoidal fracture of porcelain. Silica predominantly quartz. Cryptocrystalline, dominantly <0.004mm. | C | |||||
| 2412 | QRCGCR | Quartz-rich-coarse-grained-crystalline-rock - A type of coarse-grained normal crystalline rock. In the Rock Classification Scheme, this class includes quartzolite and similar rocks. The term may be used as a field classification when an accurate mineral mode from thin section examination is not available. British Geological Survey Research Report RR/99/06, section 5.1 and figs. 9, 10. | A | Quartz-rich-coarse-grained-crystalline-rock | GRBA | 24-FEB-00 | TMCM | 22-FEB-19 | Coarse-grained, av. between 2-16mm normal crystalline intrusive rock; quartz >60%, feldspar<40% of QAPF, +/- mica/amphibole | C | |||||
| 2413 | QRGNR | Quartz-rich-granitic-rock - A type of quartz-rich-coarse-grained-crystalline-rock. In the Rock Classification Scheme, it is a collective term for granitic rocks in which quartz comprises more than 60% of the felsic minerals. British Geological Survey Research Report RR/99/06, section 5.1 and figs. 9, 11, 12. | R | Quartz-rich-granitic-rock | GRBA | 24-FEB-00 | TMCM | 22-FEB-19 | Coarse-grained, av. between 2-16mm normal crystalline intrusive rock; quartz 60 to 90%, feldspar<10% of QAPF, +/- mica/amphibole | C | |||||
| 2414 | QSY | Quartz-syenite - A type of syenitic-rock. In the Rock Classification Scheme, it is a coarse-grained crystalline igneous rock whose mineral mode plots in field 7* of the quartz - alkali feldspar - plagioclase - feldspathoid (QAPF) diagram. British Geological Survey Research Report RR/99/06, section 5.1 and figs. 9, 11, 12. | R | Quartz-syenite | GRBA | 24-FEB-00 | TMCM | 22-FEB-19 | Coarse-grained, av. between 2-16mm normal crystalline intrusive rock; quartz 5-20% of QAPF, feldspar 65-90% alkali feldspar, +/- mica/amphibole | C | |||||
| 2415 | QTR | Quartz-trachyte - A type of trachytic-rock. In the Rock Classification Scheme, this name is used for a fine-grained crystalline igneous rock when the modal mineralogy is available, and the mineral mode plots in field 7* of the quartz - alkali feldspar - plagioclase - feldspathoid (QAPF) diagram. British Geological Survey Research Report RR/99/06, section 5.2 and figs. 17a, 19. | R | Quartz-trachyte | GRBA | 24-FEB-00 | TMCM | 22-FEB-19 | Fine-grained, av. <0.25mm normal crystalline extrusive/intrusive rock; quartz 5-20% of QAPF feldspar 65-90% alkali feldspar | C | |||||
| 2416 | QTZOLT | Quartzolite - A type of quartz-rich-coarse-grained-crystalline-rock. In the Rock Classification Scheme, it is a collective term for coarse-grained crystalline rocks in which quartz comprises more than 90% of the felsic minerals. These extremely rare rocks are unlikely to be wholly of primary igneous origin. British Geological Survey Research Report RR/99/06, section 5.1 and figs. 9, 11, 12. | R | Quartzolite | GRBA | 24-FEB-00 | TMCM | 22-FEB-19 | Coarse-grained, av. between 2-16mm normal crystalline intrusive rock; CI M<10%, quartz >90%, feldspar <10% of QAPF, +/- mica/amphibole | C | |||||
| 2417 | QURW | Quarry waste - A type of artifical deposit. It is a general term for waste materials consisting mostly of rock with overburden drift deposits, derived from quarrying. British Geological Survey Research Report RR/99/04, appendix 1. See also: rock waste, slate waste, shale waste. | R | Quarry waste | GRBA | 24-FEB-00 | TMCM | 13-MAR-19 | Not Available | C | |||||
| 2418 | QWACKE | Quartz-wacke - A type of wacke. In the Rock Classification Scheme, it is defined as shown in British Geological Survey Research Report RR/99/03, section 2.2 and figs. 3, 4. | R | Quartz-wacke | GRBA | 24-FEB-00 | TMCM | 08-MAR-19 | Siliciclastic arenaceous rock 15 to 75% matrix (particles <0.032mm). Quartz >90%, feldspar & rock fragments each <5% of quartz+feldspar+rock fragments. | C | |||||
| 2419 | QZF | Quartzite, feldspathic | U | Feldspathic quartzite | feldspathic | AWEL | 15-JAN-04 | TMCM | 31-AUG-18 | Not Available | C | ||||
| 2420 | QZFG | Quartzite, feldspathic-gneissose | U | Gneissose feldspathic quartzite | feldspathic | gneissose | AWEL | 14-FEB-01 | TMCM | 31-AUG-18 | Not Available | C | |||
| 2421 | QZITBR | Quartzite, brecciated | U | Brecciated quartzite | brecciated | GRBA | 24-FEB-00 | TMCM | 31-AUG-18 | Not Available | C | ||||
| 2422 | QZITE | Quartzite - A type of metasedimentary rock composed largely of quartz, feldspar and mica. In the Rock Classification Scheme, quartzite is a psammite containing more than 80% quartz. British Geological Survey Research Report RR/99/02, section 3.2 and fig. 5. | R | Quartzite | GRBA | 24-FEB-00 | TMCM | 22-FEB-19 | Quartz-dominant metasedimentary rock (grain size undefined); composition <10% calc-silicate/carbonate minerals, >80% quartz, <20% feldspar, <20% other minerals (mica/chlorite/garnet/cordierite/staurolite/Al-silicate minerals) | C | |||||
| 2423 | QZITF | Quartzite, flaggy | U | Flaggy quartzite | flaggy | DJLO | 21-JUN-06 | TMCM | 30-AUG-18 | I | Not Available | C | |||
| 2424 | QZITSH | Quartzite, sheared | U | Sheared quartzite | sheared | GRBA | 24-FEB-00 | TMCM | 31-AUG-18 | Not Available | C | ||||
| 2425 | QZP | Quartz-porphyry | N | Quartz-porphyry | AWEL | 13-FEB-01 | TMCM | 31-AUG-18 | Not Available | C |
Displaying rows 2406 to 2425 of 3025