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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.
Displaying rows 86 to 105 of 3025
| Row | CODE | DESCRIPTION | RCS_STATUS | TRANSLATION | Q1 | Q2 | Q3 | Q4 | USER_ENTERED | DATE_ENTERED | USER_UPDATED | DATE_UPDATED | TRANSFER | DEFINITION_BKING | STATUS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 86 | ANDFO | Andesite, foliated | U | Foliated andesite | foliated | GRBA | 24-FEB-00 | TMCM | 31-AUG-18 | Fine-grained, av. <0.25mm normal crystalline extrusive/intrusive rock, preferred planar orientation of inequidiamensional minerals; CI <35vol% <40wt%; quartz <20% or feldspathoid <10% of QAPF, feldspar >65% plagioclase; TAS SiO2 >52wt% | C | ||||
| 87 | ANDGB | Andesite, garnet-bearing | U | Garnet-bearing andesite | garnet-bearing | AWEL | 14-MAR-01 | TMCM | 31-AUG-18 | Fine-grained, av. <0.25mm normal crystalline extrusive/intrusive rock; CI <35vol%, <40wt%; quartz <20% or felspathoid <10% of QAPF, feldspar >65% plagioclase; TAS-SiO2 57-63wt%, Na2O+K2O <7wt%. Garnet present but <5vol%. | C | ||||
| 88 | ANDGL | Andesite, glassy | U | Glassy andesite | glassy | AWEL | 15-FEB-01 | TMCM | 31-AUG-18 | Fine-grained, av. <0.25mm normal crystalline extrusive/intrusive rock; CI <35vol%, <40wt%; quartz <20% or felspathoid <10% of QAPF, feldspar >65% plagioclase; TAS-SiO2 57-63wt%, Na2O+K2O <7wt%. Glass 50-100%. | C | ||||
| 89 | ANDGR | Andesite, garnet-rich | U | Garnet-rich andesite | garnet-rich | AWEL | 14-MAR-01 | TMCM | 31-AUG-18 | Fine-grained, av. <0.25mm normal crystalline extrusive/intrusive rock; CI <35vol%, <40wt%; quartz <20% or felspathoid <10% of QAPF, feldspar >65% plagioclase; TAS-SiO2 57-63wt%, Na2O+K2O <7wt%. >20vol% garnet present. | C | ||||
| 90 | ANDH | Andesite, hypersthene | U | Hypersthene andesite | hypersthene | AWEL | 14-MAR-01 | TMCM | 31-AUG-18 | Fine-grained, av. <0.25mm normal crystalline extrusive/intrusive rock; CI <35vol%, <40wt%; quartz <20% or felspathoid <10% of QAPF, feldspar >65% plagioclase; TAS-SiO2 57-63wt%, Na2O+K2O <7wt%. 5-20% hypersthene present | C | ||||
| 91 | ANDLAV | Andesite, lava | U | Andesite lava | andesite | AWEL | 29-MAY-02 | TMCM | 31-AUG-18 | Material extruded in molten state and solidified; quartz <20% or felspathoid <10% of QAPF, feldspar >65% plagioclase; TAS SiO2 >52wt% | C | ||||
| 92 | ANDLVH | Hornblende-andesite, lava | U | Hornblende-andesite lava | hornblende | andesite | AWEL | 29-MAY-02 | TMCM | 31-AUG-18 | Fine-grained, av. <0.25mm normal crystalline rock; CI <35vol%, <40wt%; quartz <20% or felspathoid <10% of QAPF, feldspar >65% plagioclase; TAS-SiO2 57-63wt%, Na2O+K2O <7wt%. Extruded in molten state & solidified, grain-size not defined. 5-20% hornblende | C | |||
| 93 | ANDPX | Andesite, pyroxene | U | Pyroxene andesite | pyroxene | AWEL | 13-FEB-01 | TMCM | 31-AUG-18 | Fine-grained, av. <0.25mm normal crystalline extrusive/intrusive rock; CI <35vol%, <40wt%; quartz <20% or felspathoid <10% of QAPF, feldspar >65% plagioclase; TAS-SiO2 57-63wt%, Na2O+K2O <7wt%. 5-20% pyroxene present. | C | ||||
| 94 | ANDR | Andesitic-rock - A type of mafite. In the Rock Classification Scheme, this class includes andesite and similar rocks. The term may be used as a field classification when an accurate mineral mode from thin section examination, or a chemical analysis, is not available. British Geological Survey Research Report RR/99/06, section 5.2 and figs. 17, 18. | A | Andesitic-rock | GRBA | 24-FEB-00 | TMCM | 22-FEB-19 | Fine-grained, av. <0.25mm normal crystalline extrusive/intrusive rock; CI <35 vol% <40 wt%; quartz <20% or felspathoids <10% of QAPF, feldspar >65% plagioclase; TAS SiO2 52-63wt%, Na2O+K2O <7wt% | C | |||||
| 95 | ANDRF | Andesitic-rock, foliated | U | Foliated andesitic-rock | foilated | AWEL | 17-DEC-04 | TMCM | 31-AUG-18 | Fine-grained, av.<0.25mm normal crystalline extrusive/intrusive rock; CI <35 vol% <40 wt%; qtz <20% or felspathoids <10% of QAPF, feldspar >65% plag; TAS SiO2 52-63wt%, Na2O+K2O <7wt% <5mm planar texture, preferred orientation of platy/prismatic minerals | C | ||||
| 96 | ANDRT | Andesitic-rock (TAS) | N | Andesitic-rock (TAS) | AWEL | 17-DEC-04 | TMCM | 31-AUG-18 | Fine-grained, av. <0.25mm normal crystalline rock; TAS SiO2 52-63wt%, Na2O+K2O <7wt% | C | |||||
| 97 | ANDT | Andesite (TAS) - A type of andesitic-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 andesite (TAS) is as shown in British Geological Survey Research Report RR/99/06, section 5.2 and figs. 17b, 20. | R | Andesite (TAS) | GRBA | 24-FEB-00 | TMCM | 22-FEB-19 | Fine-grained, av. <0.25mm normal crystalline extrusive/intrusive rock; TAS-SiO2 57-63wt%, Na2O+K2O <7wt% | C | |||||
| 98 | ANDTFF | Tuff, andesitic | U | Andesitic tuff | andesitic | AWEL | 30-MAY-02 | TMCM | 31-AUG-18 | Lithified clastic material >10% debris formed by volcanic processes; <25vol% pyroclastic fragments ash <2mm. Quartz <20% or felspathoids <10% of QAPF feldspar >65% plagioclase; TAS SiO2 <52wt% | C | ||||
| 99 | ANDTH | Andesite, tholeiitic | U | Tholeiitic andesite | tholeiitic | DJLO | 07-JUL-08 | TMCM | 31-AUG-18 | I | Not Available | C | |||
| 100 | ANDVST | Volcaniclastic-sandstone, andesitic | U | Andesitic volcaniclastic-sandstone | andesitic | AWEL | 31-MAY-02 | TMCM | 31-AUG-18 | Lithified clastic material >10% debris formed by volcanic processes; <25vol% pyroclastic fragments av. <0.032mm. Quartz <20% or felspathoids <10% of QAPF feldspar >65% plagioclase; TAS SiO2 <52wt% | C | ||||
| 101 | ANGV | Ankerite-gravel - A type of ankerite-sediment. In the Rock Classification Scheme, it is one in which over 25% of clasts are larger than 2 mm. The grain size classes are defined in the same way as the siliciclastic sediments. British Geological Survey Research Report RR/99/03, section 3.2, table 6 and fig. 7. See also: silicate-gravel. | R | Ankerite-gravel | GRBA | 24-FEB-00 | TMCM | 08-MAR-19 | Grain-supported sediment with clasts >50% magnesium carbonates, >50% of magnesium carbonate is ankerite, clasts >50% or predominantly >2mm. | C | |||||
| 102 | ANHY | Anhydrite-stone - A type of non-carbonate salt that is composed of particles of the sulphate mineral anhydrite. British Geological Survey Research Report RR/99/03, section 7.1 and fig. 11. | R | Anhydrite-stone | GRBA | 24-FEB-00 | TMCM | 08-MAR-19 | Sedimentary rock, crystals >50% non-carbonate salt, sulphate, dominanlty anhydrite (CaSO4) crystals orthorhombic, usually white.Mohr's 2. Crystal size not defined. An evaporite. | C | |||||
| 103 | ANLTUF | Lapilli-tuff, andesitic | U | Andesitic lapilli-tuff | andesitic | AWEL | 30-MAY-02 | TMCM | 31-AUG-18 | Lithified poorly sorted, (IGSD 1.0-2.0) clastic material >10% debris formed by volcanic processes, >75vol% pyroclastic fragments, 25-75% lapilli 64-2mm, <25% ash <2mm; quartz <20% or feldspathoid <10% of QAPF, feldspar >65% plagioclase; TAS-SiO2 >52wt% | C | ||||
| 104 | ANMONC | Microoncoid-ankeritestone - A microoncoid-dolostone in which the carbonate is composed dominantly of ankerite. British Geological Survey Research Report RR/99/03, section 3.2 and fig. 7. Synonym: ankerite-micro-oncolite. | R | Microoncoid-ankeritestone | GRBA | 24-FEB-00 | TMCM | 08-MAR-19 | Sediment with components >50% magnesium carbonate, >50% of Mg carbonate is ankerite. Allochem dominantly as micro-oncoids, <2mm coated grains with irregular partially overlapping laminae, biogenic structures may be present. Component size not defined. | C | |||||
| 105 | ANMUD | Ankerite-mud - A type of ankerite-sediment. In the Rock Classification Scheme, it is one in which over 75% of the clasts are smaller than 32 µm. The grain size classes are defined in the same way as the siliciclastic sediments. British Geological Survey Research Report RR/99/03, section 3.2, table 6 and fig. 7. See also: silicate-mud. | R | Ankerite-mud | GRBA | 24-FEB-00 | TMCM | 08-MAR-19 | Sediment with particles >50% magnesium carbonates, >50% of magnesium carbonate is ankerite, Particles >50% or predominantly mud-grade, <0.032mm. | C |
Displaying rows 86 to 105 of 3025