Geology, Exploring Earth Notes from Week 1
Geology, Exploring Earth Notes from Week 1 GEOL 120
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This 3 page Class Notes was uploaded by KDeRoche92 on Sunday January 3, 2016. The Class Notes belongs to GEOL 120 at Colorado State University taught by Bryan, Sean in Summer 2015. Since its upload, it has received 261 views. For similar materials see Exploring Earth: Physical Geology (GT-SC2) in Biology at Colorado State University.
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Date Created: 01/03/16
Class Notes- First Week Notes Geology, Exploring Earth 1/19/16--1/21/16 Reading Contour Lines: The closer the lines are together, the steeper the incline. Farther the lines are apart, flatter incline. Class 1 Geology & Place. Fort Collins, CO / Front Range Observations: -Flat to the EAst & Mountainous to the West. -Reservoirs, many manmande -Poudre River -High rock exposure to the West. Interpretation of Observations: What geological process lead to above observations? -Mountains form as plates collide -Horsetooth reservoir acting as a bowl of sorts. -Healthy soil, flat **-River Erosion, Human impact. **-Soil formation leading to Agriculture. **-Faults, Tectonics **-Weather, Storm Systems and wind from West--->East, this also has an effect on agriculture. Class 2 Death Valley, The Racetrack. Observations: Looks very flat, lower elevation in respect to surroundings. Contour lines very far apart in the "racetrack" and steep and close together in surrounding mountainous area. Dry, windy. 1. Rocks have tracks leading away/ to them. We can draw hypothesis for why this could be with respect to the surrounding landscape. Hypothesis- Must be testable There is a force acting on the rock, wind? water? cold temperatures? The rock must have been moved across the playa for tracks. What is the reason you think is responsible for this movement? Once a few hypothesis have been made, tests are conducted. 2. How could we test these hypothesis? For example: If we were conducting a test on whether wind is responsible... We could see how much wind is needed to move a cantaloupe sized rock by conducting tests in a wind tunnel on a sandy surface. Prediction- We may predict a very strong wind would be necessary for the rock to move. 3. What data would we collect? Rock composition, Weather Conditions 4. Watch youtube video if havnt already, this explains the steps Geologists took in unravelling the "Slithering Stones" https://youtu.be/MgZ_hlyiKgY A few definitions: Qualitative vs. Quantitative Qualitative- think quality, non-numerical data ex: sketches, description Quantitative- a specific number amount. We briefly discussed the Upheaval Dome in New York. Possible explanations include; rising salt, rising magma, meteoroid impact. What predictions could we make from each of these explanations: Rising salt- would find salt deposits, there would be more than one dome. Rising magma- seismic activity, earthquakes, hard igneous rocks would be present. Meteoroid- would likely find elements not common in this area, meteor rocks. End this week by reading Chapter 10- Plate Tectonics in preparation for next week!
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