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LANDSCAPES (of NY ESRT p 2 and pgs 302-320 in review book)

LANDSCAPES (of NY ESRT p 2 and pgs 302-320 in review book). NY is special because it has all three types of landscapes – mountains, plains, and plateaus. Landscapes develop due to differences in geology and climate Humid climates- landscapes are usually rounded

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LANDSCAPES (of NY ESRT p 2 and pgs 302-320 in review book)

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  1. LANDSCAPES (of NY ESRT p 2 and pgs 302-320 in review book) NY is special because it has all three types of landscapes – mountains, plains, and plateaus. • Landscapes develop due to differences in geology and climate • Humid climates- landscapes are usually rounded • Arid climates- characterized by sharp angles and steeper slopes 1. WHY?

  2. 2. The Catskills- Are they mountains? Read this article to find out: http://adventure.howstuffworks.com/destinations/trail-guides/catskill-mountains-hiking-guide.htm

  3. Plateau • Flat land with horizontal strata which has experienced uplift • Valleys carved by downcutting streams Ex) Grand Canyon, Catskills Strata- layers of sedimentary rock 3 Think: if the landscape were not uplifted, would you see the layers?

  4. UPLIFT

  5. 4 See the layers? What type of rock makes up a plateau?

  6. 5 Do you see evidence of tectonic activity in this plateau? Name it. 6 Which is the hanging wall? Which is the footwall?

  7. Mountainsorogeny- mountain building event • High peaks and deep valleys • May include all 3 types of rock (igneous, metamorphicand sedimentary) • Strata is often folded and sometimes faulted. Ex) Rockies, Alps, Himalayas • NY ancient mountains: Taconic and Adirondacks Sneak peek to next unit: check out ESRT pgs 8-9. When did the Adirondacks form? When did the Taconic orogeny happen? 7 8

  8. 9 How are the Taconic and Catskills different?

  9. Adirondack Mountains Taconic Mountains WHY are they so small? 10

  10. 11 Which type of plate boundary once existed here? State two pieces of evidence. 11 a

  11. 12 What happened to the layers? What type of rock is often found here? 13

  12. Plains • Generally flat and at low elevation • Horizontal strata RELIEF The change in elevation between highest and lowest places. Put the landscapes in order from greatest to least relief _______ _______ ______ 14

  13. It looks so plain! What type of rock is under the surface? What does it look like? 15

  14. Drainage Patterns

  15. 16 What does this mean?

  16. Drainage Patterns Dendritic - treelike, flat relatively uniform materials. Found on plains (veins) Annular – surrounding an exposed intrusion with upturned layers or around an anticline. (dart board) Radial – central point drainage. Ex. mountain or volcano. Pattern extends outward down the steep landscape from the highest point. Trellis or rectangular - abrupt bends in stream (90°), pattern influenced by faulted bedrock. Bedrock effects how the landscape looks according to its resistance to weathering and erosion. Stream drainage patterns are influenced by the rock beneath them.

  17. 17 18 Which type of drainage pattern do each of the landscapes pictured have?

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  20. 21 22 Hint: use page 4 and the key on page 3 in the ESRT http://www.regentsearth.com/Illustrated%20ESRT/Page%202%20%28Landscapes%29/Landscape%20Review.pdf

  21. The End!

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