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The Rock Cycle - Coggle Diagram
The Rock Cycle
Igneous Rock
Physical properties and criteria to recognize Igneous Rocks
Texture (Physical features, how a rock looks/feels)
Aphanitic
Phaneritic
(Granite)
Porphyritic
Pegmatic
Vesicular
(Scoria)
Glassy
Composition (Lightness or Darkness of minerals)
Felsic
(Rhyolite)
Intermediate
Mafic
(Basalt)
Ultramafic
Formation (Where the rock cooled)
Extrusive
Instrusive
How Igneous Rock Transforms
Igneous to Sedimentary: Weathering and Erosion, Compaction
Igneous to Metamorphic: Head and pressure
Sedimentary Rock
Physical properties and criteria to recognize sedimentary rock
Formation detail
Clastic
Chemical
Biochemical
Internal Composition
Well Sorted
Moderately Sorted
Poorly Sorted
How Sedimentary Rocks Transforms
Sedimentary to Metamorphic: Heat and Pressure
Sedimentary to Igneous: Sedimentary melts, cools
Metamorphic Rock
Physical properties and criteria to recognize Metamorphic Rock
Foliation
Foliated
Non-Foliated
Grade
Very Low-Grade (150-300 C)
Low Grade (300-450 C)
(Muscovite)
Medium Grade (450-550 C)
High Grade (Above 550 C)
(Gneiss)
How Metamorphic Rock Transforms
Metamorphic to Sedimentary: Weathering and Erosion, Compaction
Metamorphic to Igneous: Melting, Cooling
Rock vs. Mineral
Rocks are generally made of two or more minerals that are combined throughout geological processes
A Mineral is a naturally occurring substance with distinctive chemical and physical properties
