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Download Unit Test Study Guide: Igneous Rocks, Proterozoic, and
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Name:___________________________ CP Geoscience: Mrs. Zeiders Date:____________ Period:___________ Unit Test Study Guide: Igneous Rocks, the Proterozoic and Mountains The Proterozoic What were the four major events that took place during the Proterozoic? What were the causes of Snowball Earth? How did stromatolites change the course of Earth’s History by releasing oxygen into the atmosphere and oceans? Know that stromatolites are a type of photosynthetic algae. What did continents form as they began to collide? What was the name of the first supercontinent? What was the name of the mountain chain that formed during the Proterozoic? What were the causes of Snowball Earth and how did it end? What was the name of the fist eukaryotic organism? Igneous Rocks What is the definition of rock? What are the major rock types and how are they formed? Know what the Rock Cycle represents. What are the building blocks of igneous rocks? How are igneous rocks classified? Where are extrusive and intrusive igneous rocks formed? What powers the formation of igneous rocks? Know the different types of magma and relate them to their viscosity and silica content. What is the relationship between cooling rate and grain size? Be able to distinguish between intrusive and extrusive igneous rocks based on their grain size. Mountain Building What is the definition of deformation and why does it occur? In what two ways do rocks permanently deform? What is the role of temperature and pressure in terms of deformation? Where are rocks most likely to be brittle? Where are they most likely to be ductile? What are the four factors affecting rock deformation? What are the three stresses that commonly act on rocks? What type of a stress causes rock layers to fold? At what type of plate margin does folding occur and what type of force is at this boundary? What are the three main types of folds? Where are the oldest/youngest layers in an anticline and syncline? Define and understand the Principle of Isostasy. Define Fault Name:___________________________ CP Geoscience: Mrs. Zeiders Date:____________ Period:___________ What are the four types of faults discussed in class? How do the footwalls and hanging walls move relative to each other in each of these faults? What types of forces (stresses) are acting on each of these types of faults? What is a joint? What types of mountains are most common at divergent and convergent (O-O, C-O, and C-C) plate boundaries? What types of stresses are acting at each of these boundaries? Where does most mountain building occur? What type of force is acting here? What types of faults are associated with tensional stresses? Compressive stresses? What types of mountains can be non-boundary mountains? What is continental accretion? What is a terrane? What is the Principle of Isostasy? What is Isostatic Adjustment?
