OR/14/025 Appendix 1

LAWLEY, R. 2014. User Guide: Soil Parent Material 1 km dataset. British Geological Survey Internal Report, OR/14/025.

European Soil Bureau Descriptions of Parent Materials

Major Class	Group	Type	Subtype
100 Consolidated clastic sedimentary rocks	110 psephite or rudite	111 conglomerate 112 breccia	1111 pudding stone
	120 psammite or arenite	121 sandstone 122 arkose 123 greywacke	1211 calcareous sandstone 1212 ferruginous sandstone 1213 clayey sandstone 1214 quartzitic sandstone/orthoquartzite 1215 micaceous sandstone 1216 feldspathic sandstone 1231 feldspathic greywacke
	130 pelite, agillite lutite or	131 claystone/ 132 mudstone siltsone	1311 kaolinite bentonite 1312
	140 facies rocks bound	141 flysch molasse 142	1411 sandy flysch clayey 1412 and silty flysch 1413 conglomeratic flysch
200 Sedimentary rocks (chemically precipitated, evaporated, or of organogenic or biogenic origin)	210 calcareous rocks	211 limestone	2111 hard limestone soft 2112 limestone marly 2113 limestone chalky 2114 limestone detrital 2115 limestone 2116 carbonaceous limestone 2117 lacustrine or freshwater limestone 2118 travertine/calcareous sinter 2119 cavernous limestone
		212 dolomite	2121 cavernous dolomite 2122 calcareous dolomite
		213 marlstone
		214 marl	2141 chalk marl 2142 gypsiferous marl
		215 chalk
	220 evaporites	221 gypsum 222 anhydrite 223 halite
	230 siliceous rocks	231 chert, hornstone, flint
		232 diatomite/radiolarite