Inside Earth Chapter 5 Review Rocks

Section 1 Classifying Rocks What doe geologists observe when studying rocks? Texture Grains Grain size Shape Pattern No visible grain

Section 1 Continued What is used to see the mineral composition of rock? The 3 major groups of rock: Igneous Sedimentary metamorphic

Section 2 Igneous Rocks Characteristics of igneous rock Uses Why is this type used in building? Classifications Origin Extrusive intrusive Texture Porphyritic texture How these form Mineral composition

Section 3 Sedimentary Rocks Sediment Erosion Deposition What process changes sediment to sed rock? Fossils? Compaction cementation

Types of Sedimentary Rock Clastic Shale Sandstone Conglomerate & breccia Organic Coal limestone Chemical Chemical rock

Section 4 Rocks From Reefs Living coral Coral reef Forms in what conditions How coral reef forms Forms only in what conditions? Process? Limestone deposits from coral reefs Absorbs what element? Atolls

Section 5 Metamorphic Rocks How metamorphic rock forms How they are classified Foliated

Section 6 The Rock Cycle Rock cycle Forces in the cycle The rock cycle & plate techtonics Subducting oceanic plates Colliding continental plates