Unique values of SIMPDESC

Value Number of Occurrences
High-grade metamorphic rock - orthogneiss, paragneiss, schist and amphibolite 15038
Unmetamorphosed granitoid, gabbro and other intrusive rock 12128
Sedimentary and volcanic rocks, pyroclastic material (Jurassic to Paleogene) 10636
Intrusive rock - granitoid, diorite, gabbro and orthogneiss 9865
Folded low-grade metasedimentary and metavolcanic rock 7979
Volcanic rock (Jurassic-Paleogene) 5629
Youngest glacial gravel, till and supraglacial material (Holocene) 5097
Low to medium-grade metamorphic rock - schist, marble, metavolcanic, metasandstone 4740
Ferrar Igneous Province and related volcanic and sedimentary rock (Jurassic) 4492
Beacon Supergroup and other sandstone-rich sedimentary rock (Devonian-Triassic) 4473
Unknown or unclassified rock 4207
Seasonal water and ice 3383
Volcanic rock - basalt to rhyolite lava flows and pyroclastic material 3321
Metamorphic and intrusive rock - schist, gneiss, granulite, migmatite and anatectite 2441
Older glacial gravel and till (Miocene-Quaternary) 1861
Silicic volcanic and continental sedimentary rock (Jurassic) 1680
Unconsolidated colluvium, talus, alluvium and undifferentiated till 851
Unconsolidated coastal ice-shelf till, beach or lake deposits 566
Sedimentary rock with interbedded volcanic or volcaniclastic rock 430
Metamorphosed gneiss and migmatite (Triassic, Cretaceous) 172
Intrusive rock - granite, granodiorite, gabbro, or syenite (Eocene-Oligocene) 91