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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 806 to 825 of 3025

Row	CODE	DESCRIPTION	RCS_STATUS	TRANSLATION	Q1	USER_ENTERED	DATE_ENTERED	USER_UPDATED	DATE_UPDATED	TRANSFER	DEFINITION_BKING	STATUS
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
821	IMCOL	Impure-coal - A type of coal. It is a lithified end-member of the impure humic coal series. The impure humic coal series can be subdivided into muddy-peat / sandy-peat (the unlithified form) and impure-coal (the lithified form). British Geological Survey Research Report RR/99/03, section 6.1 and fig. 10.	R	Impure-coal		GRBA	24-FEB-00	TMCM	08-MAR-19		Sedimentary rock containing heterogeneous mixture of a wide range of plant debris. <60 to >90% carbon, dry, ash-free. Volatiles <14 to >63%. 15 to 50% ash approximately equivalent to 50 to 80% organic matter.	C
822	INDWU	Industrial waste - A type of artifical deposit. It consists of waste products from industrial processes. British Geological Survey Research Report RR/99/04, appendix 1.	R	Industrial waste		GRBA	24-FEB-00	TMCM	13-MAR-19		Not Available	C
823	JASPER	Jasper - A type of chert whose red colour is due to the presence of haematite. British Geological Survey Research Report RR/99/03, section 8.2 and fig. 12.	R	Jasper		GRBA	24-FEB-00	TMCM	08-MAR-19		Non-clastic siliceous sedimentary rock with >50% silica of biogenic or chemical origin, porosity <10% hard, dense with vitreous lustre, cryptocrystalline, <0.004mm. Red due to haematite	C
824	KAINST	Kainite-stone - A type of non-carbonate salt that is composed of particles of the sulphate mineral kainite. British Geological Survey Research Report RR/99/03, section 7.1 and fig. 11.	R	Kainite-stone		GRBA	24-FEB-00	TMCM	08-MAR-19		Sedimentary rock crystals >50% non-carbonate salt sulphate. Kainite (KMgClSO4.3H2O) >50% of non-carbonate salt, as white monclinic crystals in granular masses. Crystal size not defined. An evaporite.	C
825	KALI	Kalsilitite - A type of kalsilitic rock. Kalsilitite is the general name for fine-grained kalsilitic rocks. At present, only one true kalsilitic rock is known, namely olivine-pyroxene kalsilitite, known formerly as mafurite, from Uganda. No coarse-grained rocks containing more than 10% modal kalsilite have been found so far, but if such a rock is found, it should be called a kalsilitolite following the convention used in melilitic rock. British Geological Survey Research Report RR/99/06, section 6.3.	R	Kalsilitite		GRBA	24-FEB-00	TMCM	22-FEB-19		Fine-grained av. <0,25mm, exotic crystalline extrusive/intrusive rock; kalsilite>10%, only olivine	C

Displaying rows 806 to 825 of 3025