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The Rock Cycle

This informative guide by Gabriel Dickerson explores the rock cycle, detailing the three main types of rocks: igneous, metamorphic, and sedimentary. Igneous rocks form from the crystallization of magma and are categorized into types like porphyritic and vesicular. Metamorphic rocks have transformed from their original state, with examples including limestone and sandstone. Sedimentary rocks, formed over millions of years from erosion, include iron ore, coal, and shale. Discover testing methods like the streak test and texture analysis for each rock type.

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The Rock Cycle

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  1. The Rock Cycle Igneous Rocks Metamorphic Rocks Sedimentary Rocks By: Gabriel Dickerson

  2. Igneous Rocks! • The word igneous means from heat or fire. Igneous rocks form through crystallization of magma or molten lava . • Igneous Rocks are tested by streak test, texture ,and if you can see minerals. • Porphyritic, pegmatitic, and vesicular are all types of igneous rocks.

  3. Metamorphic Rocks! • Metamorphic rocks are rocks that have "morphed" into another kind of rock. • Metamorphic rocks are tested bystreak test, texture ,and if you can see minerals. • Limestone , sandstone ,and fine grained rocks are all types of metamorphic rocks .

  4. Sedimentary Rocks! • For thousands, even millions of years, little pieces of our earth have been eroded--broken down and worn awayby wind and water. • Sedimentary rocks are tested bystreak test, texture ,and if you can see minerals. • Iron ore, coal, and shale rocks are all types of Sedimentary rocks.

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