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 566 to 585 of 3025
| Row | CODE | DESCRIPTION | RCS_STATUS | TRANSLATION | Q1 | Q2 | Q3 | Q4 | USER_ENTERED | DATE_ENTERED | USER_UPDATED | DATE_UPDATED | TRANSFER | DEFINITION_BKING | STATUS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 566 | FBAFSY | Foid-bearing-alkali-feldspar-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 6' 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 | Foid-bearing-alkali-feldspar-syenite | GRBA | 24-FEB-00 | TMCM | 22-FEB-19 | Coarse-grained, av. between 2-16mm normal crystalline intrusive rock; feldspathoids <10% of QAPF, feldspar >90% alkali feldspar, +/- mica/amphibole | C | |||||
| 567 | FBAFTR | Foid-bearing-alkali-feldspar-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 6' 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 | Foid-bearing-alkali-feldspar-trachyte | GRBA | 24-FEB-00 | TMCM | 22-FEB-19 | Fine-grained, av. <0.25mm normal crystalline extrusive/intrusive rock; feldspathoids <10% of QAPF, feldspar >90% alkali feldspar | C | |||||
| 568 | FBANO | Foid-bearing-anorthosite - A type of anorthositic-rock. In the Rock Classification Scheme, it is a coarse-grained crystalline igneous rock whose mineral mode plots in field 10' of the quartz - alkali feldspar - plagioclase - feldspathoid (QAPF) diagram. Foid-bearing-diorite, foid-bearing-gabbro and foid-bearing-anorthosite are separated according to the average composition of their plagioclase and the proportion of mafic minerals (M): if M is less than 10% the rock is foid-bearing-anorthosite. British Geological Survey Research Report RR/99/06, section 5.1 and figs. 9, 11, 12. | R | Foid-bearing-anorthosite | GRBA | 24-FEB-00 | TMCM | 22-FEB-19 | Coarse-grained, av. between 2-16mm normal crystalline intrusive rock; CI M<10%; feldspathoids <10% of QAPF, feldspar dominant >90% plagioclase +/- mica/pyroxene/amphibole/olivine | C | |||||
| 569 | FBDI | Foid-bearing-diorite - A type of dioritic-rock. In the Rock Classification Scheme, it is a coarse-grained crystalline igneous rock whose mineral mode plots in field 10' of the quartz - alkali feldspar - plagioclase - feldspathoid (QAPF) diagram. Foid-bearing-diorite, foid-bearing-gabbro and foid-bearing-anorthosite are separated according to the average composition of their plagioclase and the proportion of mafic minerals (M): if M is greater than 10% and An (the anorthite content of plagioclase) is less than 50% the rock is foid-bearing-diorite. British Geological Survey Research Report RR/99/06, section 5.1 and figs. 9, 11, 12. | R | Foid-bearing-diorite | GRBA | 24-FEB-00 | TMCM | 22-FEB-19 | Coarse-grained, av. between 2-16mm normal crystalline intrusive rock; feldspathoids <10% of QAPF, feldspar >90% plagioclase (<50% An) +/- mica/pyroxene/amphibole/olivine | C | |||||
| 570 | FBGB | Foid-bearing-gabbro - A type of gabbroic-rock. In the Rock Classification Scheme, it is a coarse-grained crystalline igneous rock whose mineral mode plots in field 10' of the quartz - alkali feldspar - plagioclase - feldspathoid (QAPF) diagram. Foid-bearing-diorite, foid-bearing-gabbro and foid-bearing-anorthosite are separated according to the average composition of their plagioclase and the proportion of mafic minerals (M): if M is greater than 10% and An (the anorthite content of plagioclase) is greater than 50% the rock is foid-bearing-gabbro. British Geological Survey Research Report RR/99/06, section 5.1 and figs. 9, 11, 12. | R | Foid-bearing-gabbro | GRBA | 24-FEB-00 | TMCM | 22-FEB-19 | Coarse-grained, av. between 2-16mm normal crystalline intrusive rock; feldspathoids <10% of QAPF, feldspar >90% plagioclase (>50% An), plagioclase 10-90% , pyroxene 5-90% (>5% orthopyroxene), olivine >5% of Plag+Px+Ol, +/- amphibole | C | |||||
| 571 | FBLA | Foid-bearing-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 | Foid-bearing-latite | GRBA | 24-FEB-00 | TMCM | 22-FEB-19 | Fine-grained, av. <0.25mm normal crystalline extrusive/intrusive rock; feldspathoids <10% of QAPF, feldspar 35-65% alkali feldspar | C | |||||
| 572 | FBMGN | Metamelagranite, foliated-biotite | U | Foliated-biotite metamelagranite | meta | foliated | biotite | AWEL | 10-JUN-02 | TMCM | 31-AUG-18 | Mela-granite protolith, coarse-grained, 2-16mm, darker than ave., M>20% normal crystalline intrusive, rock; qtz 20-60% of QAPF, feld 35-90% alkali feld, +/-amph. 5-20% biotite. <5mm planar structure from preferred orientation of platy/prismatic minerals. | C | ||
| 573 | FBMZ | Foid-bearing-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 | Foid-bearing-monzonite | GRBA | 24-FEB-00 | TMCM | 22-FEB-19 | Coarse-grained, av. between 2-16mm normal crystalline intrusive rock; feldspathoids <10% of QAPF, feldspar 35-65% plagioclase +/- mica/pyroxene/amphibole/olivine | C | |||||
| 574 | FBMZDI | Foid-bearing-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. Foid-bearing-monzodiorite and foid-bearing-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 foid-bearing-monzodiorite. British Geological Survey Research Report RR/99/06, section 5.1 and figs. 9, 11, 12. | R | Foid-bearing-monzodiorite | GRBA | 24-FEB-00 | TMCM | 22-FEB-19 | Coarse-grained, av. between 2-16mm normal crystalline intrusive rock; feldspathoids <10% of QAPF, feldspar 65-90% plagioclase (<50% An) +/- mica/pyroxene/amphibole/olivine | C | |||||
| 575 | FBMZGB | Foid-bearing-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. Foid-bearing-monzodiorite and foid-bearing-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 foid-bearing-monzogabbro. British Geological Survey Research Report RR/99/06, section 5.1 and figs. 9, 11, 12. | R | Foid-bearing-monzogabbro | GRBA | 24-FEB-00 | TMCM | 22-FEB-19 | Coarse-grained, av. between 2-16mm normal crystalline intrusive rock; feldspathoids <10% of QAPF, feldspar 65-90% plagioclase (>50% An) +/- mica/pyroxene/amphibole/olivine | C | |||||
| 576 | FBRC | Fault-breccia - A type of mechanically broken rock without primary cohesion. In the Rock Classification Scheme, a fault-breccia is not foliated, and contains angular to rounded fragments that comprise more than 30% of the rock which are significantly coarser than the matrix, and are composed of mechanically broken rock fragments and/or mineral grains. British Geological Survey Research Report RR/99/02, section 7.1 and table 3. | R | Fault-breccia | GRBA | 24-FEB-00 | TMCM | 22-FEB-19 | Deformed (brittle), unfoliated rock; no primary cohesion, (protolith undefined) in which angular/rounded fragments (>30%) are significantly coarser (>0.25mm) than the matrix | C | |||||
| 577 | FBSY | Foid-bearing-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 | Foid-bearing-syenite | GRBA | 24-FEB-00 | TMCM | 22-FEB-19 | Coarse-grained, av. between 2-16mm normal crystalline intrusive rock; feldspathoids <10% of QAPF, feldspar 65-90% alkali feldspar +/- mica/amphibole | C | |||||
| 578 | FBTR | Foid-bearing-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 | Foid-bearing-trachyte | GRBA | 24-FEB-00 | TMCM | 22-FEB-19 | Fine-grained, av. <0.25mm normal crystalline extrusive/intrusive rock; feldspathoids <10% of QAPF, feldspar 65-90% alkali feldspar | C | |||||
| 579 | FCMST | Mudstone, friable, calcareous | U | Friable calcareous mudstone | friable | calcareous | AWEL | 10-JUN-02 | TMCM | 31-AUG-18 | Siliciclastic sedimentary rock that crumbles or abrades easily. Particles, >50% or predominantly mud-grade, <0.032mm. 5-20% unspecified primary carbonate. | C | |||
| 580 | FDGB | Foid-gabbro - A type of foid-gabbroic-rock. In the Rock Classification Scheme, it is a coarse-grained crystalline igneous rock whose mineral mode plots in field 14 of the quartz - alkali feldspar - plagioclase - feldspathoid (QAPF) diagram. Foid-diorite and foid-gabbro are distinguished according to the average composition of their plagioclase: if An (the anorthite content of plagioclase) is greater than 50% the rock is foid-gabbro. British Geological Survey Research Report RR/99/06, section 5.1 and figs. 9, 11, 12. | R | Foid-gabbro | GRBA | 24-FEB-00 | TMCM | 22-FEB-19 | Coarse-grained, av. Between 2-16mm normal crystalline intrusive rock; feldspathoids 10-60% of QAPF, feldspar >90% plagioclase (>50% An) +/- mica/amphibole/pyroxene/olivine | C | |||||
| 581 | FDGBR | Foid-gabbroic-rock - A type of coarse-grained normal crystalline rock. In the Rock Classification Scheme, this class includes analcime-gabbro, nepheline-monzogabbro 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 | Foid-gabbroic-rock | GRBA | 24-FEB-00 | TMCM | 22-FEB-19 | Coarse-grained, av. between 2-16mm normal crystalline intrusive rock; feldspathoids 10-60% of QAPF, feldspar >50% plagioclase (>50% An) +/- mica/amphibole/pyroxene/olivine | C | |||||
| 582 | FDI | Foidite - A type of foiditic-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 15 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 | Foidite | GRBA | 24-FEB-00 | TMCM | 22-FEB-19 | Fine-grained, av. <0.25mm normal crystalline intrusive rock; feldspathoids >90% of QAPF +/- feldspar | C | |||||
| 583 | FDIO | Foid-diorite - A type of foid-dioritic-rock. In the Rock Classification Scheme, it is a coarse-grained crystalline igneous rock whose mineral mode plots in field 14 of the quartz - alkali feldspar - plagioclase - feldspathoid (QAPF) diagram. Foid-diorite and foid-gabbro are distinguished according to the average composition of their plagioclase: if An (the anorthite content of plagioclase) is less than 50% the rock is foid-diorite. British Geological Survey Research Report RR/99/06, section 5.1 and figs. 9, 11, 12. | R | Foid-diorite | AWEL | 04-OCT-01 | TMCM | 22-FEB-19 | Coarse-grained, av. between 2-16mm normal crystalline intrusive rock; feldspathoids 10-60% of QAPF, feldspar >90% plagioclase (<50% An) +/- mica/pyroxene/amphibole/olivine | C | |||||
| 584 | FDIR | Foid-dioritic-rock - A type of coarse-grained normal crystalline rock. In the Rock Classification Scheme, this class includes nepheline-diorite 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 | Foid-dioritic-rock | GRBA | 24-FEB-00 | TMCM | 22-FEB-19 | Coarse-grained, av. between 2-16mm normal crystalline intrusive rock; feldspathoids 10-60% of QAPF, feldspar >50% plagioclase (<50% An) +/- mica/pyroxene/amphibole/olivine | C | |||||
| 585 | FDIT | Foidite (TAS) - A type of foiditic-rock, classified using the total alkali silica (TAS) classification. The TAS classification may be used if the mineral mode of a normal fine-grained crystalline rock cannot be determined due either to the presence of glass or to the fine-grained nature of the rock. The definition of foidite (TAS) is as shown in British Geological Survey Research Report RR/99/06, section 5.2 and figs. 17b, 20. | R | Foidite (TAS) | GRBA | 24-FEB-00 | TMCM | 22-FEB-19 | Fine-grained, av. <0.25mm normal crystalline extrusive/intrusive rock; TAS SiO2 <52.5wt%, Na2O+K2O 0->15wt% | C |
Displaying rows 566 to 585 of 3025