Maps of Geology

There are assorted phenomena happening in the earths crust and some of those are the fact of folds and erroneousnesss. Both phenomena are cause by forces homogeneous tension and compression. Folds are bends in the rock surfaces charm Faults are fractures in the earths crust which allows engine gag laws of rocks to live relative to one a nonher. When this movement becomes rapid, it results to temblors (What is a prisonbreak? , 2008). Since on that point are devil embarrasss of rocks involved in a prisonbreak, the block which is above the dishonor plain is the Hanging-wall while the block below the fault plane is called the Footwall (Laske, 2006).There are three general geekwrites of faults the Dip-slip, Strike-slip and the oblique faults. A Dip-slip fault is a attribute of fault wherein the movement is upright. Here, one block of rock moves up and the other moves down. In the Dip-slip fault, the fracture may be classified as either a popular or a Reverse fault. For the convening type, the Hanging-wall moves down while the Footwall moves up. This type of fault is ca utilize by tensional stress. irrelevant the average type, the Reverse fault has a Hanging-wall that moves up and a Footwall that moves down.The force responsible for this fault is the compressional stress. A Strike-slip fault is a type of fault where the movement of the blocks is horizontal. Strike-slip faults can be classified according to the geological fault of the block farther when viewed facing the fault line. If the dis signalment is to the left, then it is a left-lateral fault other it is a right-lateral fault (Gore, 1996). As for faults exhibiting the vertical as well as the horizontal movement, those are classified as the convergent type of fault (What is a fault? , 2008).A famous right-lateral fault is the San Andreas Fault which involves the conglutination American and Pacific plates. If this would continue its activity, at that place will be more earthquakes in the country and it is as well possible that the dickens plates involved will be rattling far from each other as time Faults, Folds, Maps 3 comes (Fialko, 2006). With this, one should be really prepared because reported earthquakes in this area are dangerous. People there should be taught on how to deal with this type of situation. role has already been an important demote of society.Maps can show a kitty of in kneadation about a place depending on what class of map that is. sensation kind of map used is the topographic map wherein contour lines are used to show the surface of the earth. These lines are complex quantity lines with equal elevations that can be used for detailed features of an area like streets, plant and buildings (topographic Map Symbols, 2005). Another kind of map used is the Geologic map. Unlike the Topographic map, this maps contact is to show the geologic details of the area like pickles of folds and faults and types of rock present.Also, geologic maps suck in distinctive colors which represent contrary geological units (Geologic Maps, 2000). embodiment 1 is an illustration of a mountain and to be able to identify the slope of the kingdom surface, one can use a Topographic map. If the contour lines that will be seen after mapping the area trickery close to each other, the slope is dip otherwise the land surface has a gradual slope (Rosenberg, 2007). Building a house in a posture like that of the illustration may be hard but it may be possible if the location that will be chosen has rocks and soil that are inactive and far from folds and fault lines.This is because one would not want a house make in a place with public earthquakes and can be easily sunk by landslides and the like. This may be by means of with(p) by mapping the area through a geologic map. Faults, Folds, Maps 4 Figure 1. An illustration of a cone of a former mountain. As said earlier, contrasting phenomena are caused by different stresses. The co mpressional, snip and tensional stresses can help form structural features in rocks such as faults, dikes, sills, and bedding planes. Locations for establishing a place also depends on these factors.Canmore community for example may have been established in its location because of that. Faults, Folds, Maps 5 References Fialko, Y. (2006). Interseismic strain accumulation and the earthquake potential on the southern San Andreas fault system. Nature, 441(June 22 2006), 968-971. Geologic Maps. (2000, September 25, 2000). Retrieved June 30, 2008, from http//www. nature. nps. gov/geology/usgsnps/gmap/gmap1. hypertext markup languagecolor Gore, P. J. W. (1996). Faults. Retrieved June 30, 2008, from http//facstaff. gpc. edu/pgore/geology/geo101/faults. htm Laske, G. (2006). Earthquakes and Seismology.Retrieved June 30, 2008, from http//quakeinfo. ucsd. edu/gabi/erth15-06/Lecture06. html National Mapping Discipline, U. S. Geological Survey. Topographic Map Symbols. (2005). from http//erg. u sgs. gov/isb/pubs/booklets/symbols/ Rosenberg, M. (2007). Topographic Maps An Overview of Topographic Maps Electronic Version. Retrieved June 30, 2008, from http//geography. about. com/od/topographicmaps/a/topographicmaps. htm UC Berkeley seismological Laboratory. What is a fault? (2008). Retrieved June 30, 2008, from http//seismo. berkeley. edu/faq/fault_0. html