esas0201__StoriesRxLandscapesTell-stu

esas0201__StoriesRxLandscapesTell-stu - Stories that rocks...

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Unformatted text preview: Stories that rocks and landscapes tell EARTH SCIENCE in ARIZONA and the SOUTHWEST A piece of land is like a book. A wise person can look at stones and mountains and read stories older than the first living thing that crawled on the earth. Claudeen Arthur et al., Between Sacred Mountains Tsé nikání (Diné, Round Rock), and badlands near Chinle, Navajo Nation, Arizona, Colorado Plateau Tsé náshchii’ (Diné, “Red rock going around in a circle”) Hunters Point Stories that rocks and landscapes tell 2 Hunters Point Stories that rocks and landscapes tell http://simkin.asu.edu/pub/movies.html 3 Barringer Crater Stories that rocks and landscapes tell 4 Barringer Crater Stories that rocks and landscapes tell http://simkin.asu.edu/pub/movies.html 5 S P Mountain Stories that rocks and landscapes tell 6 SP Mountain Stories that rocks and landscapes tell http://simkin.asu.edu/pub/movies.html 7 Monument Valley Tsé bii’ ndzisgaii (Diné, “Clearings among the rocks”) Stories that rocks and landscapes tell 8 Monument Valley Stories that rocks and landscapes tell http://simkin.asu.edu/pub/movies.html 9 Mohawk Mountains Stories that rocks and landscapes tell 10 Mohawk Mountains area Stories that rocks and landscapes tell http://simkin.asu.edu/pub/movies.html 11 How we interpret the sequence of past geologic events in a place: Rock layers are initially deposited horizontally The youngest rock layer is on top you nge r A geologic feature is younger than any rock or feature it crosscuts o ld e r A younger rock can include pieces of an older rock o ld e r A younger magma (molten rock) can intrude and bake older rocks (Reynolds, Johnson, Kelly, Morin, & Carter, 2010) o ld e r you nge r Stories that rocks and landscapes tell This is relative (qualitative) geologic dating. 12 Visualizing the gradual change of landscapes through time: (Reynolds, Johnson, Kelly, Morin, & Carter, 2010) Stories that rocks and landscapes tell 13 Tsé náshchii’ (Diné, “Red rock going around in a circle”) Hunters Point Stories that rocks and landscapes tell 14 Barringer Crater Stories that rocks and landscapes tell 15 S P Mountain Stories that rocks and landscapes tell 16 Monument Valley Tsé bii’ ndzisgaii (Diné, “Clearings among the rocks”) Stories that rocks and landscapes tell 17 Mohawk Mountains Stories that rocks and landscapes tell 18 Landscapes of the Southwest bear evidence of processes of geological change Reshaping the crust by folding and fracturing: Tectonism Sculpting the surface by erosion and deposition: Gradation Ascent and eruption of molten rock: Volcanism Cratering by impacts from space (Internal processes) Stories that rocks and landscapes tell (External processes) 19 ...
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This note was uploaded on 03/01/2011 for the course GLG 394 taught by Professor Semken during the Fall '10 term at ASU.

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