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Chapter 5
Rocks
Question | Answer |
---|---|
How do geologists classify rocks? | Geologists classify rocks by Grain size, Grain shape, Grain pattern, No visible grain, Mineral Composition. |
Texture is how a rock looks and feels, give 2 examples of how a rock looks. | A rock looks Smooth, glassy. |
Texture is how a rock looks and feels, give 2 examples of how a rock Feels. | A rock can feel rough, and or Chalky. |
Grain Size: Explain the difference of “coarse grained” | Coarse Grained rocks are rocks like Diorite. |
Grain Size: Explain the difference of “fine grained” rocks. | Fine grained rocks are rocks like Slate. |
How are rocks formed that have “no visible grain”? | Rocks that have no visible grain are like the rock Flint. |
Origin refers to where a rock was formed. List the 3 major rock groups that group rocks by their origin. | Igneous rock, sedimentary rock, and Metamorphic rock. |
Which rock group forms rocks using heat and pressure? | Metamorphic rock. |