ERS120H5 Lecture 6: ERS120-Lec-6
Document Summary
Lecture 6: define the basic characteristics of a rock (as distinct from a mineral) Composed of multiple minerals (either of the same type or multiple different kinds: define igneous, sedimentary and metamorphic rocks. Igneous: formed from the cooling and freezing solid of a hot molten rock. Sedimentary: formed by the cementing together of fragments broken of pre-existing rocks transporting by wind water or ice, or by the precipitation of mineral crystals out of water solutions near or at the earths surface. Metamorphic: formed when any of these 3 types of rocks are heated and/or squeezed: explain and be able to draw the rock cycle (the version in my lecture slides). In short, the rock cycle is the name for the processes that forms and recycles the different types or rocks on our planet. Intrusive (plutonic): rock formed by the freezing of magma underground (ex: granite) Give an example of where these conditions occur on earth: high temperature, high pressure.
