Field Assignment
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Field Assignment






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Field Assignment Field Assignment Presentation Transcript

  • Field assignmentPart i
    By Nicole Rikalo
  • Pg. 116Igneous: Granite porphyry
  • Pg. 208Sedimentary: Limestone
  • Pg. 211Sedimentary: Jasper
  • Pg. 240Metamorphic: Marble
  • Pg. 241Metamorphic: Quartzite
  • Area: warthan Creek
    Warthan Creek in Coalinga is where I found the rocks. Those rocks come from the foothills, and they end up in the creek when it rains and when the snow melts in the hills and mountains. The creek has been around for a long time, but it has gotten deeper as the water flows through each year. All the rocks above are rocks that are found in this area, so there is a wide variety of rocks found. There were a lot of granite rocks down there, and the water runs down them, and some parts break off and end up in other parts of the creek. The creek was a lot different than I was expecting because I did not expect there to be such a variety of rocks down there. The creek is larger than I thought, and there are different places to look for rocks.
  • identification
    The way I identified each of the rocks was I looked through the book and compared rocks to different pictures throughout the book. Once I found on that looked similar, I looked at the size of the grain and the color of the rocks and the patterns of each rock. The first place I started looking was on the charts for each type of rock, and I went from there. I tried to find the rocks that looked most similar to the rocks I found, then I looked at the colors to see if they looked similar, then I looked at the patterns of each of the rocks as well as the grain size.
  • Field assignmentPart II
  • 1. A Fault
    1. Dip-slip fault: the movement was parallel to where it used to be.
  • 2. Weathering
    Mechanical Weathering: The water that has been running through here has broken the rock beneath, so it looks like it is just hanging there.
    Chemical Weathering: Physical changes are occurring. Some of the rocks around here started to get a round shape.
  • 3. Mass wasting
    Mass Wasting: Gravity created.
  • 3. Erosional event
    Erosional Events: Water as an agent.
  • 4. Sedimentary environment
    Transitional: Beaches
  • Continental: Streams
  • Marine: Extends from the shore to the outer edge of the continental shelf.
  • 5. Uses of geology
  • Oil rig