rocks Flashcards
(10 cards)
what types of rocks do uplands mainly consist of
igneous, metamorphic
what type of rock do lowlands mainly consist of
sedimentary rocks
what are igneous rocks
rocks formed from magma and lava as it cooled below or on the earth’s surface
what are examples are igneous rocks
granite, basalt
what are metamorphic rocks
formed from sedimentary rocks heated and compressed during tectonic activity
what are examples of metamorphic rocks
-slate
-marble- formed from heated limestone
what are sedimentary rocks
rocks made of sediments eroded and deposited from rivers, sea or sea bed
what are examples of sedimentary rocks
chalk
clay
sandstone
millstone grit
which types of rocks are very resistant to erosion
igneous and metamorphic rocks
what is meant by impermeable
not allowing water through