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 801 to 820 of 3025
| Row | CODE | DESCRIPTION | RCS_STATUS | TRANSLATION | Q1 | Q2 | Q3 | Q4 | USER_ENTERED | DATE_ENTERED | USER_UPDATED | DATE_UPDATED | TRANSFER | DEFINITION_BKING | STATUS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 801 | HSZ | Shells, sandy, silty [Unlithified Deposits Coding Scheme - Extended] | U | Silty sandy shells [UDCS-X] | sandy | silty | TMCM | 28-MAY-20 | I | Not Available | C | ||||
| 802 | HY | Hyaloclastite - This describes rocks or sediments composed entirely of shattered, angular, glassy fragments created by quenching of lavas during subaqueous or subglacial extrusion. British Geological Survey Research Report RR/99/06, section 4.2. | R | Hyaloclastite | GRBA | 24-FEB-00 | TMCM | 15-FEB-19 | Material extruded in molten state & quenched to yield shattered angular glassy fragments; no composition/clast size inferred | C | |||||
| 803 | HYBA | Hyaloclastite, basaltic | U | Basaltic hyaloclastite | basaltic | DJLO | 06-AUG-08 | TMCM | 31-AUG-18 | I | Not Available | C | |||
| 804 | HYBSD | Hybrid sediment - In the Rock Classification Scheme, these are sediments which comprise more than one primary compositional component, with no component forming more than 50%. British Geological Survey Research Report RR/99/03, section 11. | A | Hybrid sediment | GRBA | 24-FEB-00 | TMCM | 13-MAR-19 | Sediment with two equal components. Clasts of each estimated as 50% of total. Composition & clast size not defined. Field name only. | C | |||||
| 805 | HYBSDR | Hybrid sedimentary rock - In the Rock Classification Scheme, these are sedimentary rocks which comprise more than one primary compositional component, with no component forming more than 50%. British Geological Survey Research Report RR/99/03, section 11. | A | Hybrid sedimentary rocks | GRBA | 24-FEB-00 | TMCM | 13-MAR-19 | Sedimentary rock with two equal components. Clasts of each estimated as 50% of total. Composition & clast size not defined. Field name only. | C | |||||
| 806 | HYDR | Hydrothermal-rock - A rock whose characteristics are the result of the actions of hot aqueous solutions. Many mineral assemblages are possible. British Geological Survey Research Report RR/99/02, section 8. | R | Hydrothermal-rock | AWEL | 08-JUN-01 | TMCM | 22-FEB-19 | Altered rock (protolith undefined) with characteristics (new minerals/assemblages) derived from reaction with hot aqueous solutions | C | |||||
| 807 | HYIA | Hydroxides and oxides of alumina and iron - Their classification is based upon the state of hydration of the silicate minerals. British Geological Survey Research Report RR/99/03, section 9.2. | A | Hydroxides and oxides of alumina and iron | AWEL | 08-JUN-01 | TMCM | 13-MAR-19 | Material with >50% oxides/hydroxides of iron/aluminium, including hydrated aluminium silicates, Amount of lithification & particle size not defined but normally clay-grade <0.004mm. | C | |||||
| 808 | HYOA | Hydroxides and oxides of alumina - British Geological Survey Research Report RR/99/03, section 9.2. | A | Hydroxides and oxides of alumina | GRBA | 24-FEB-00 | TMCM | 13-MAR-19 | Material with >50% oxides/hydroxides of aluminium. Amount of lithification particle & size not defined but normally clay-grade <0.004mm. | C | |||||
| 809 | HYOI | Hydroxides and oxides of iron - British Geological Survey Research Report RR/99/03, section 9.2. | A | Hydroxides and oxides of iron | AWEL | 16-FEB-04 | TMCM | 13-MAR-19 | Material with >50% oxides/hydroxides of iron. Amount of lithification & particle size not defined. Normally clay-grade <0.004mm. | C | |||||
| 810 | HZ | Shells, silty [Unlithified Deposits Coding Scheme - Extended] | U | Silty shells [UDCS-X] | silty | TMCM | 28-MAY-20 | I | Not Available | C | |||||
| 811 | HZBT | Harzburgite - A type of pyroxene-peridotite. In the Rock Classification Scheme, it is a pyroxene-peridotite with olivine 40 - 90%, orthopyroxene 5 - 60% and clinopyroxene <5% of olivine + orthopyroxene + clinopyroxene. British Geological Survey Research Report RR/99/06, section 5.1 and figs. 15, 16. | R | Harzburgite | GRBA | 24-FEB-00 | TMCM | 22-FEB-19 | Coarse-grained, av. between 2-16mm normal crystalline intrusive rock; CI M>90%; olivine 40-90%, orthopyroxene 5-60%, clinopyroxene <5% of Ol+Opx+Cpx, +/- amphibole | C | |||||
| 812 | IBREC | Intrusion-breccia - An intrusive fragmental igneous rock. British Geological Survey Research Report RR/99/06, section 8.2. | A | Intrusion-breccia | AWEL | 13-JAN-05 | TMCM | 15-FEB-19 | Mechanically deformed (brittle) rock with no foliation or cohesion. >30% fragments >2mm & significantly coarser than matrix. Protolith composition not defined. Intruded into the country rock. | C | |||||
| 813 | ICCIR | Igneous-rock of inferred intermediate composition, coarse-crystalline | N | Coarse-crystalline intermediate igneous-rock | DJLO | 24-JUL-08 | TMCM | 31-AUG-18 | I | Not Available | C | ||||
| 814 | IFBRC | Fault-breccia, igneous | U | Igneous fault-breccia | igneous | GRBA | 24-FEB-00 | TMCM | 31-AUG-18 | Deformed (brittle), unfoliated rock; no primary cohesion, with angular/rounded fragments (>30%) significantly coarser (>0.25mm) than the matrix. Protolith igneous rock, intrusive/extrusive material of igneous origin or derived from vocanic processes. | C | ||||
| 815 | IFCIR | Igneous-rock of inferred intermediate composition, fine-crystalline | N | Fine-crystalline intermediate igneous-rock | DJLO | 24-JUL-08 | TMCM | 31-AUG-18 | I | Not Available | C | ||||
| 816 | IGRU | Igneous rock | - | Igneous rock | AWEL | 30-OCT-00 | TMCM | 24-AUG-18 | Lithified >10vol% of intrusive or extrusive material of igneous origin or derived from volcanic processes, chemistry/mineralogy/crystallinity/grain size not defined | O | |||||
| 817 | IGSDU | Igneous-sediment | - | Igneous-sediment | AWEL | 17-DEC-04 | TMCM | 24-AUG-18 | Unlithified >10vol% of extrusive material of igneous origin or derived from volcanic processes, chemistry/mineralogy/crystallinity/grain size not defined | O | |||||
| 818 | ILLCLY | Illite-clay - A type of monomineralic aluminium-silicate sediment in which the aluminium-silicate mineral is illite. It is the unlithified equivalent of illite-claystone. British Geological Survey Research Report RR/99/03, section 9.1 and table 19. | R | Illite-clay | GRBA | 24-FEB-00 | TMCM | 13-MAR-19 | Monomineralic aluminium silicate sediment >50% illite, particles >50% or predominantly clay-grade, <0.004mm | C | |||||
| 819 | ILLCST | Illite-claystone - A type of monomineralic aluminium-silicate sedimentary rock in which the aluminium-silicate mineral is illite. It is the lithified equivalent of illite-clay. British Geological Survey Research Report RR/99/03, section 9.1 and table 19. | R | Illite-claystone | GRBA | 24-FEB-00 | TMCM | 13-MAR-19 | Monomineralic aluminium silicate sedimentary rock >50% illite, particles >50% or predominantly clay-grade, <0.004mm. | C | |||||
| 820 | ILMT | Ilmenitite - A type of rock of restricted mineralogy. In the Rock Classification Scheme, it is a coarse-grained crystalline igneous rock in which ilmenite exceeds 90% of the mineral mode. British Geological Survey Research Report RR/99/06, section 8.2. | R | Ilmenitite | GRBA | 24-FEB-00 | TMCM | 22-FEB-19 | Coarse-grained, av. between 2-16mm crystalline intrusive rock; ilmenite >90% | C |
Displaying rows 801 to 820 of 3025