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Minerals Key Words/ Types of Rocks Pages 6 and 7 of the ESRT Short Answers
Row 1, Col 1 Fill in the Blanks: All rocks are made up of ______________ and all minerals are made up of ______________. Minerals, elements
1,2 _____________________ rocks are formed when existing rock is subjected to heat and pressure Metamorphic
1,3 Name any two igneous rocks that are made up of the same minerals. Answers may vary
1,4 How are rocks classified? How/where they are formed
2,1 Name the mineral that can be either metallic or non-metallic and exhibits fracture. Hematite
2,2 What type of rock is this? Sedimentary
2,3 Name two minerals in the igneous rock pegmatite. Potassium feldspar, quartz, plagioclase feldspar, biotite, amphibole.
2,4 What is the difference between extrusive and intrusive igneous rocks? Be specific. Answers may vary.
3,1 Which property of mineral identification is being shown by the diagrams to the left? A.Cleavage B.Fracture C.Luster D.Hardness A. Cleavage
3,2 Name some key words that go along with the formation of sedimentary rocks. Compaction, cementation, burial, deposition
3,3 Which sedimentary rocks are formed by chemical precipitation from seawater? Rock salt, rock gypsum, dolostone
3,4 List the minerals found in diorite. Quartz, plagioclase feldspar, biotite, pyroxene, amphibole
4,1 Name the mineral that has a hardness of 3 and bubbles with acid. Calcite
4,2 What type of rock is this? Metamorphic
4,3 Which is the only metamorphic rock that shows banding? gneiss
4,4 What is the difference between cleavage and fracture? Minerals that show cleavage break along straight lines.
5,1 Name a mineral that can scratch pyroxene. Magnetite, hematite, pyrite, amphibole, potassium feldspar, plagioclase feldspar, olivine, quartz, garnet
5,2 When schist is exposed to increasing heat and pressure it will change into… gneiss
5,3 Which metamorphic rock is formed from the metamorphism of quartz sandstone? quartzite
5,4 Diamond and graphite have the same chemical composition (C) but very different physical properties, this is because they have a different _______________ _______________________ of ________ INTERNAL ARRANGEMENT OF ATOMS