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Presentation on theme: "Title"— Presentation transcript:

1 Title

2 M. d’Alessio, 2004 Murder Mystery

3 Grand Canyon, Arizona, Copyright Larry Fellows Originally Horizontal OLDER YOUNGER Timing Layers on top of layers

4 Watching Layers Form Larry Ridenhour, BLM/Jennifer Loomis, TERC

5 Tilted Layers

6 USGS/Jennifer Loomis, TERCTilted limestone beds in the Mojave Desert, California Watching Layers Tilt

7 Unconformity Olympic Coast, Washington: 4th Beach near Kalaloch Copyright Patti Bleifuss

8 Geologic Time OLDER YOUNGER 270 Million Years Old 600+ Million Years Old TIMING: RELATIVE vs. ABSOLUTE

9 Fold Marin Headlands, California -- Image from Roland Bürgmann

10 USGS/Tom Grace, TERCFolded layers in the Sangre de Cristo Range of Colorado. Watching Layers Fold

11 Cross Cutting Grand Canyon, Arizona -- Copyright Ramón Arrowsmith Cross Cutting MOST RECENT

12 Wind and Process Death Valley, CA Copyright Marli Miller AGI Image Bank photo ha45z2 Zion, Utah Copyright Marli Miller AGI Image Bank photo ha45jb PROCESS ANCIENT PRESENT “The present is the key to the past.” James Hutton Famous Geologist (lived ) fundamentals/10c.html

13 M. d’Alessio, 2004 Murder Mystery


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