Download - Geology
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Field/Lab Assignment ll
By: Jaime Padilla
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Faults
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Faults
• This picture was taken by Coalinga.
• This Fault is known as a Gouge fault because the two layers are separated by a gray layer that looks very ground up.
• consists of broken up and smashed pieces of rock which forms as the two sides of the fault moving against one another.
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Weathering processmechanical/physical
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Weathering Process-Mechanical
• Mechanical weathering takes place when rocks are broken down without any change in the chemical nature of the rocks.
• Exfoliation is the process where the rocks break in sheets along the joints that they have parallel to the earth surface.
• The forces that break rocks down can be numerous, and include such things as pent up energy as the Earth’s crust slowly moves.
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Weathering Process-Physical
Physical weathering is the class of processes that causes the disintegration of rocks without chemical change.
• The best example I have seen for physical weathering is sedimentary rocks because you can the dirt brush of the rocks.
• This process takes thousands of years, but it’s a process that has been within the Earth longer than humans.
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Mass Wasting
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Mass wasting
• This picture was taken in Cambria beach way out in the shore.
• Mass Wasting occurs when the downslope movement of rock and soil pulls down because of gravity.
• As you can also see erosion is also taken place.
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sedimentary environments continental, marine, and transitional
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Sedimentary Environments
• Continental is dominated by erosion and deposition associated with streams, glacial, and wind.
• Marine is shallow, deep of continental layers
• Transitional is off the shoreline and consist of tidal flats, lagoons, and deltas.
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iphone 3G geological field tool
• This electronic device is considered as a geological field because it contains GPS.
• It incorporates accelerometers which can be used to measure the tilt of the device.
• Test over geological structures, the relative speed and accuracy of a conventional compass clinometers and the iphone compass hybrid are demonstrated and campared.
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iphone 3G geological field tool
• iphone’s compass is as accurate as the Brunton compass.
• It has different amount of apps so you can use them for different situations
• For example: The ihandy Carpenter app in the premium version serves well as a level and plumb line, making it work for measuring dip angles.