Glacial_outline - Today? IX. Formation of Glacial Ice a. b....

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Chapter 18: Alpine and Continental Glaciation Learning Objectives After reading, studying, and discussing the chapter, students should be able to: Compare and contrast the various types of glaciers. Briefly discuss the formation of glacial ice. Explain how glaciers move, including the concept of the budget of a glacier. Discuss the processes involved in glacial erosion. Compare and contrast those landforms produced by glacial erosion. Discuss the processes associated with glacial deposition. Compare and contrast those landforms produced by glacial deposition. Briefly explain the glacial theory and the development of ice ages. Discuss some of the indirect effects of Pleistocene glaciation. List and briefly explain some of the proposed causes of glaciation. VIII. Glaciers: Definition : . Types of glaciers 1. glaciers a. b.Flows down valley from an accumulation center at its head 2. a. ice flow from all directions 3. Where is glacial ice today?? 1. 2. Glacial Maximum in the past?
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Unformatted text preview: Today? IX. Formation of Glacial Ice a. b. Budget of a Glacier i. Zone of Accumulation ii. Zone of iii. Snowline X. Movement of Glacial Ice a. Flow?? i. ii. iii. XI. Glacial Erosion A. Just like Streams glaciers erode and transport sediment! Glaciers erode by. 1. Deepening 2. Widening 3. Straightening U Shape Valley is a Glacial Trough XII. Glacial Deposits a. Glacial Drift i. TILL ii. STRATIFIED DRIFT XIII. Landforms made by glacial erosion: (alpine) a. Glacial Trough b. Hanging Valleys c. Cirques d. Tarn e. Fiords f. Aretes g. Horn XIV. Landforms made of Till 1. Moraines a. End: Terminal and Recessional b. Lateral c. Medial 2. Drumlins XV. Landforms made of stratified drift 1. Usually contain a. kettles: 4. Ice-contact deposits 1. Kames 2. Eskers XVI. Ice ages A. 4 major stages in North America a. Nebraskan b. Kansan c. Illinoian d. Wisconsinan Geologic Time Period _____________________ B. Indirect effects? C. Causes...
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Glacial_outline - Today? IX. Formation of Glacial Ice a. b....

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