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C A N D Y L A N D A Study of Ohio Topography

C A N D Y L A N D A Study of Ohio Topography. Tim Herrmann, Haley Todd, Justin Yeazell GEO 204 Dr. Michael Sandy April 25, 2007. Lesson Overview. Review of Previous Material Study Key Aspects of a Map Explore a Map of Ohio’s Topography

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C A N D Y L A N D A Study of Ohio Topography

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  1. CANDYLANDA Study of Ohio Topography Tim Herrmann, Haley Todd, Justin Yeazell GEO 204 Dr. Michael Sandy April 25, 2007

  2. Lesson Overview • Review of Previous Material • Study Key Aspects of a Map • Explore a Map of Ohio’s Topography • Create our own Maps of Ohio’s Topography with Candy • Assessment

  3. Geology Bedrock Map Symbols • General Political Information: • roads, towns, buildings, counties, borders • Topography: • Contour lines that connect areas of equal elevation • Water: • Lakes, rivers, and oceans are shown in blue. • Rock Formations: • Each rock formation has a different color. • Contacts between different types of rocks are shown as thin black lines, except when rock formations are separated by a fault, which is shown as a thick black line. • Other Requirements: • Title, Key, Scale, Cardinal Direction

  4. Ice-Scoured Bedrock Landscape • “I” • Bedrock surface is buried under glacial sediments several hundred feet thick • Dissected bedrock surface – result of erosion before, during, and after glaciation • Smooth buried-bedrock surface is result of scouring by glacial ice moving westward out of the Lake Erie basin

  5. Water-Eroded Bedrock Landscape • “W” • Large volumes of ice flowed through this area • large rivers and creeks that flow through wide valleys

  6. Grand River Lobe • “G” • distinctly scoured bedrock surface • smooth north-south patterns of ice flow over the valleys

  7. Unglaciated • Is the southeastern part of Ohio • Is devoid of ice-deposited sediment (glacial till) • Many river valleys carried away melt water from the ice front and to the Ohio river • this resulted in clay and silt deposits at the bottom of lakes when ice blocked the flow of rivers

  8. Main Teays Valley • Contained the Teay’s river system before and during glaciation • It dominated drainage patterns in Western and Southern Ohio • Main flow direction was North • Water flow was disrupted by glaciers moving southward and blocking outlets • Drainage ways were filled with sediment by advancing and retreating ice

  9. Create Your CANDYLAND • Be sure to include: • Key based on the topography map shown • Explain varying colors and heights • Title • Cardinal directions • Label each area & acronym • Ice-Scourged Bedrock • Water-Eroded Bedrock • Grand River Lobe • Unglaciated • Main Teays Valley

  10. Assessment

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