Types of Rock

smilea10
Mind Map by , created about 4 years ago

mind map of the three rock types

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smilea10
Created by smilea10 about 4 years ago
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Types of Rock
1 Igneous
1.1 formed from cooling magma (4)
1.2 Granite makes up a large part of all continents (3)
1.2.1 Basalt is the most common type of Igneous rock (3)
1.3 Two Types (4)
1.3.1 Volcanic
1.3.1.1 formed on the surface (4)
1.3.1.1.1 Examples are obsidian and volcanic glass (4)
1.3.2 Plutonic
1.3.2.1 formed underground (4)
1.3.2.1.1 Example granite (4)
1.4 Makes up 95% of the Earths crust (4)
1.4.1 Makes up 25% of the earths surface (4)
1.5 Identifying igneous rocks (4)
1.5.1 Based on interlocking crystals (4)
2 Sedimentary
2.1 Three groups based on sediment type (2)
2.1.1 Lithification of once living organic matter (2)
2.1.1.1 Limestone is from coral reef (2)
2.1.1.1.1
2.1.1.2 Non-clastic (2)
2.1.1.3 marine organisms (2)
2.1.1.4 Shells (2)
2.1.1.5 marine skeleton (2)
2.1.2 Non-Clastic chemical precipitation (2)
2.1.2.1 crystallization (2)
2.1.2.2 Precipitation type (2)
2.1.2.2.1 sodium (2)
2.1.2.2.2 Calcium (2)
2.1.2.2.3 Silica (2)
2.1.2.2.4 Iron (2)
2.1.2.2.5 carbonate (2)
2.1.3 Clastic lithification of weathered rock (2)
2.1.3.1 Example conglomerate sandstone (2)
2.1.3.2 rounded shape (2)
2.1.3.3 classified based on particle type (2)
2.1.3.3.1 Gravel
2.1.3.3.2 Sand
2.1.3.3.3 silt
2.1.3.3.4 clay
2.1.4 Fossils often found in sedimentary rock (4)
2.2 Deposition of material at the Earth surface / bodies of water (4)
2.3 makes up 5% of the Earth's crust (4)
2.3.1 makes up 75 % of the Earth's surface (4)
3 Metamorphic
3.1 From igneous or sedimentary rock as a result of high temperature or pressure (4)
3.1.1 Low grade metamorphism (1)
3.1.1.1 Low Temperature or low pressure (1)
3.1.2 High grade metamorphism (1)
3.1.2.1 High temperature and high pressure (1)
3.2 Non Foliated (1)
3.2.1 Random arrangement
3.2.1.1 Most well known: Marble (1)
3.2.1.2 Large spherical shaped grains (1)
3.3 Foliated
3.3.1 directed pressure (1)
3.3.1.1 Slate (1)
3.3.1.1.1 Phyllite(1)
3.3.1.1.1.1 Schist (1)
3.3.1.1.1.1.1 Gneiss (1)
3.3.1.1.1.1.1.1 High grade (1)
3.3.1.1.2 Low grade (1)
3.3.1.2
3.3.1.3
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