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Rocks and Minerals Test Review A DAY TEST_____________ B DAY TEST_______________ Here is a list of the terms and concepts we’ve covered in class so far, relating to rocks and minerals. Study all terms, labs, homework, notes, drawings, etc. Don’t be surprised by anything on the test that is not on this review sheet! -Characteristics of a mineral -How are minerals formed? -Crystal size vs. evaporation rate / cooling rate -Tests for mineral identification -Types of fracture and cleavage -Moh’s hardness scale -Difference between cleavage and fracture -3- types of rocks and how each forms -Compaction -Cementation -3 types of sedimentary rocks and their formation -Conglomerates -Breccias -Evaporites -Lava vs. magma -2 types of metamorphism -Volcanic glass and crystal size -Porphyry -Metamorphic process -Igneous intrusions -Examples of: Coarse grained and fine-grained igneous rocks, fine to medium grained metamorphic rocks. -Foliated vs. unfoliated rocks -How does limestone form? (2 ways) -How do we classify igneous rocks? Minerals Review Here is a list of the terms and concepts we’ve covered in class so far, relating to minerals. -Characteristics of a mineral -How are minerals formed? -Crystal size vs. evaporation rate / cooling rate -Tests for mineral identification -Types of fracture and cleavage -Moh’s hardness scale -Difference between cleavage and fracture Minerals Review TEST How is it done? What does it tell? 1. Why do we perform multiple tests on minerals to find its identity? 2. Rank the physical properties of minerals from least helpful to most helpful. 3. Define the following lusters: adamantine, vitreous, resinous, pearly, silky, earthy. 4. What tools do we use to test Moh’s hardness scale, and what hardness do they each have? 5. Define the following: fracture, cleavage, basal, conchoidal. 6. What are the properties that define a mineral? Give three examples of minerals, and three examples of non-minerals. 7. How are minerals formed? 8. What are the classes of minerals? Give an example of a mineral for each class. Igneous Review 1. What happens to the color of an igneous rock with INCREASED silica? Intrusive Extrusive Crystal size Cooling time Igneous rock examples 2. What are the differences between pumice and scoria? 3. What kind of fracture does obsidian have? 4. Draw a diagram of the six igneous intrusions and briefly describe them. 5. What are the two ways we classify igneous rocks? 6. How are minerals and rocks related? 7. Define mafic, felsic, and porphyry. Sedimentary Review 1. What are sedimentary rocks composed of? Detrital Organic Chemical 2. What are the three different grain sizes? Definition 3. When and why will a rock effervesce? 4. Define clastic and non-clastic. 5. What is the difference between weathering and erosion? Give environmental examples of where each of these processes might occur. 6. How does sorting, angularity, and grain size change the further from a source? 7. What is the word for rock making? What is the difference between cementation and compaction? 8. What is a conglomerate and what is a breccia? Metamorphic Review 1. Metamorphic means change in shape. What kinds of rocks can become metamorphic? How are rocks changed? TEXTURE Describe it visually Type of metamorphism Factors that cause it 2. What can texture tell you about a metamorphic rock? 3. Define parent rock.
