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Natural Hazards Report

Natural Hazards Report - Jed Purcell TA Ryan Davidson...

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Jed Purcell TA: Ryan Davidson Natural Hazards of the Golden Area Anyone who has spent time in Golden can agree that it is a very beautiful place. For this reason and many more, people decide to settle down and live in the Golden area. It would seem that there isn’t a bad place to set up shop in the valley, but there are some geologic hazards in Golden that aren’t obvious to the eye of an everyday person. This report contains information describing these hazards and possible mitigation techniques that could be used to avoid them. Most of the data from this report comes from observation in field work done in previous lab sessions. Each hazard is based on reliable data that was taken precisely. After the data was collected, it was analyzed back at the lab using several sources. The most important tool used to analyze the data was the background information provided in the lab reports prepared during the year. Other useful sources used to analyze the data collected include lectures, teacher assistance, and the textbook. With all of these references to back up the analysis, just as the data the analysis was very precise. Before delving into the geologic hazards in the Golden area, it is important to identify the main rock types in the valley. The main rock types include sandstone, basalt, shale, gneiss, limestone. Sandstone is a main component of the Golden, located in several formations. Primarily medium to small grain, sandstone is a fairly porous sedimentary rock. Both the Foxhills and Denver Formations are largely composed of sandstone. Part of the Denver Formation is also composed of Basalt coming from basaltic lava flows on the eastern side of the Golden valley. Shale is the main component in the Pierre Formation and has a very important characteristic of swelling when in
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contact with moisture. The gneiss is a component of the foothills along with several other rock types including granite. Finally, limestone is part of the Lykins Formation indicating a protected marine time in the Golden area history. Although these rock types may not appear to be that important, they are very useful when mapping out potential geologic hazards. There are four major geologic hazards of the Golden area presented in this report.
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Natural Hazards Report - Jed Purcell TA Ryan Davidson...

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