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The rock cycle-4
Chapter 4
| Question | Answer |
|---|---|
| What is strata | layers of rock(sedimentary) |
| What id igneous rock made of | hardend magma |
| mafic rocks are rich in... | calcium, magnesium and iron |
| mafic rocks are poor in... | silicon |
| felsic rocks are rich in... | aluminum, potassium, silicon and sodium |
| felsic rocks are poor in... | not given |
| temperature, pressure and composition melt to form... | magma |
| The processes that shape the Earth are weathering, erosion. uplift and... | deposition |
| What are the types of metamorphism? | contact and regional |
| igneous rock that cools slowly | coarse grained |
| igneous rock that cools fast | fine grained |
| what needs to increase for metamorphism to occur | pressure and temperature |
| what are the three types of sedimentary rock | organic, chemical and clastic |
| what is not arranged in planes or bands | non-foliated rock |
| what is arranged in planes in bands | foliated rock |
| what type of sedimentary rock is formed from dissolved minerals | chemical sedimentary rock |
| what type of sedimentary rock is formed from remains of sea-animals and seashells | organic sedimentary rock |