which of the following is the best way to obtain an absolute date for the sequence of rocks, the geologist determines there is 78.3% of the parent remaining in the sample that they examine. The map has a contour interval of forty feet, Accessibility StatementFor more information contact us atinfo@libretexts.orgor check out our status page at https://status.libretexts.org. Where do the S wave velocities abruptly change? To solve a math problem, you need to figure out what information you have. Determine the height of Mount Price. Extra Practice Question on Topographic Maps, Overview of Geological Structures Part 1: Strike, Dip, and Structural Cross-Sections, Exercises on Geological Structures Part 1: Strike, Dip, and Structural Cross-Sections, Overview of Geological Structures Part 2: Folds, Faults, and Unconformities, Exercises on Geological Structures Part 2: Folds, Faults, and Unconformities, 6. Why are colors and symbols used on topographic maps? in Figure 9.4, what is the elevation of the intersection of U.S. Route 1 and Maine Route 6 in Topsfield? (5 pts) Figure 7-E4 shows five waypoints (A, B, C, D, and E) on a topographic map. USGS topographic maps also show many other kinds of geographic features including roads, railroads, rivers, streams, lakes, boundaries, place or feature names, mountains, and much more. d. Prepare a vertical Why do you think then that only a 1-2 drops of indicator is used in an acid-base titration? It is a plane section of the three-dimensional graph of the function f parallel to the-plane. What can be said about level surfaces of \varphi? the boundary follows the course of the river at the time it was drawn, the river has since moved. hillslope: Examine the path of the river that feeds into and flows out of Quail Lake. Answer: B. For small contour interval, the money required will also more as the field and office work will be more. So contour interval = 790 m-780 m=10 m. For further query, add a comment. distance is found on the scale. Measure the horizontal map distance between points A and B to get the vertical ground distance. 6. a) Label the elevation of every contour line on the map. which means that every place between the marked 6800 foot line and the next In every map, on the right-hand bottom side, the contour interval is specified. Upon adding divalent ions, she could regain 70S70 S70S particles, but never 1005 or 1305 particles. How and why do we divide stars into groups by mass? Intervals involvinq the tonal centre, and their directions of movement -1 1 0 0 0 -1 0 1 0 0 -9 0 0 0 -8 1 0 0 -7 0 0 0 -6 . 10. . For a relief map the contour interval is frequently persistent. They then cross the stream and turn back along the opposite bank of the stream forming a "v". Is the school likely to be at risk of contamination from this same leak? Which of the following lakes has a shoreline that is most likely at an elevation between 10,240 and 10,320 feet above sea level? it shows natural features such as rivers and lakes. Refining interval counts to include these produced Figure 7 and - Table 8, below. What type of plate tectonic boundary is at this exact location? (1 pt) Contour intervals located on this map are few and far between. Please use Occams razor as you answer the questions: use the simplest explanation rather than the most complicated explanation to answer the question. Book: Laboratory Manual for Introductory Geology (Deline, Harris & Tefend), { "3.1:_Introduction" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "3.2:_Map_Orientation_and_Scale" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "3.3:_Lab_Exercise_(Part_A)" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "3.4:_Contour_Lines" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "3.5:_Lab_Exercise_(Part_B)" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "3.6:_Drawing_Contour_Lines_and_Topographic_Profiles" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "3.7:_Lab_Exercise_(Part_C)" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "3.8:_Topographic_Maps_Lab_Assignment" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()" }, { "00:_Front_Matter" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "01:_Introduction_to_Physical_Geology" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "02:_Earth\'s_Interior" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "03:_Topographic_Maps" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "04:_Plate_Tectonics" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "05:_Water" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "06:_Climate_Change" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "07:_Matter_and_Minerals" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "08:_Igneous_Rocks" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "09:_Volcanoes" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "10:_Sedimentary_Rocks" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "11:_Metamorphic_Rocks" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "12:_Crustal_Deformation" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "13:_Earthquakes" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "14:_Physiographic_Provinces" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "zz:_Back_Matter" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()" }, 3.6: Drawing Contour Lines and Topographic Profiles, [ "article:topic", "showtoc:no", "license:ccbysa", "authorname:delineharristefend", "program:galileo" ], https://geo.libretexts.org/@app/auth/3/login?returnto=https%3A%2F%2Fgeo.libretexts.org%2FLearning_Objects%2FLaboratory%2FBook%253A_Laboratory_Manual_For_Introductory_Geology_(Deline_Harris_and_Tefend)%2F03%253A_Topographic_Maps%2F3.6%253A_Drawing_Contour_Lines_and_Topographic_Profiles, \( \newcommand{\vecs}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}}}\) \( \newcommand{\vecd}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash{#1}}} \)\(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\) \(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\)\(\newcommand{\AA}{\unicode[.8,0]{x212B}}\), Answers to Practice Lab Exercises, Parts A and B, status page at https://status.libretexts.org, Contour lines represent lines connecting points of equal elevation above sea level, Contour lines never cross, split, or die off, Contour intervals must be obeyed, therefore the contour lineelevations can only be multiples of the contour interval. Contour lines tend to enclose the smallest areas on ridge tops, which are often narrow or very limited in spatial extent. Log in to TheConstructor to ask questions, answer peoples questions, write articles & connect with other people. A contour interval is the vertical distance or difference in elevation between contour lines. If the user enters 3.14 in response to the following programming statement, what will be stored in value? Location B is higher. slope percent = rise/run 100 What is the contour interval of the Figure 9 map (shown at the bottom of the page)? All contour lines are spaced at a 20 m contour interval. Take that distance and divide it by the speed you calculated in question 3 to estimate when the next supercontinent will form. (1 pt) Find Deadmans Lake (it is located close to Cheakamus River and south of Daisy Lake; refer to Figure 7-E8 which is a close up from the map area). Sometimes vertical exaggeration is desiredbut, in some cases, you may not want it. What type of plate tectonic boundary is present? Why is mass so important to a stars life? Assume value is an integer variable. If you were standing at the washington monument what direction would you need to walk to get to the U.S. capitol building? f. Connect the Keeping the abrupt topography change in mind, which of the following is true? The Grand Canyon is an extraordinarily steep area. 40 feet - 20 feet = 20 feet Contour values are in feet. Description. do not cross each other, divide or split. Calculate how fast the Hawaiian Islands are sinking, by using the ages and elevations of Maui and Nihoa. If the river on this map is 1.93 miles long, what is the gradient for this river? -- - . A simple diagram is shown below on the left. Mountain/Hill Depressions A higher contour interval is used for a large area and small contour interval for small area. Also no adds. Practice Questions on Geological Structures, 7. Provided is a topographic map of a hill with contour lines drawn showing elevation in meters. Select the All points on a contour line are at the same elevation. located below the scale. Figure out math tasks Determine Contour Interval and Contour Line Values. It is impossible to determine which location is higher. Therefore, if you print it out in black and white please refer back to the electronic copy to avoid confusion. Write out the longitude for each designated point as was done for Point A Write out the longitude for each designated point as was done for Point A A: Longitudes for the given points are explanied below A. To keep the contour map simple and easy to read, not every contour line is marked with its elevation reading. The. slope percent = rise/run 100. First, we compute the activation . You can find out exactly how steep the The figure on the right shows the 500 mb height map for December 9 with the position of a trough and ridge . What is the term for the geologic feature called Carter Lake? How big is the base (area) of the washington monument in sq feet? Where do the P waves abruptly change? S waves cant travel through liquids and this depth is where the liquid outer core exists. The difference between adjacent contour lines. Hint: draw a simple map or a rough cross-section sketch to help illustrate your logic. Follow the creek along its path. You can figure out the elevation of Given that this portion of the Australian plate moves at a speed of 2.2 inches per year, how old are the snake fossils? 750m. right hand portion of the window. Choose the appropriate profile below. For example, the first hill on the left has a top contour line of 50ft. The word contour comes from French, and it is defined as meaning the "outline" of a subject, it often defines a form or an. If the numbers associated with the contour lines are decreasing, there is a decrease in elevation. Thus, ais 520'; bis 540'. Was Carter Lake cut off before or after the state boundary between Nebraska and Iowa was drawn? The horizontal map distance measures 0.5 inches. Transcribed image text: The rock that most closely resembles the composition of continental crust based on the description in the previous section is: Based on the choice you made for question 15, what is the density of the rocks that make up continental crust? The headings indicate the direction the Pacific Plate is moving over the hot spot. topographic profiles: Remember that topographic maps represent in the southern portion of the map, the area is underlain by limestone. Practice questions on Topographic Maps, 5. Slope Worksheet (to be completed), Contact Us: NWCG Comments & Questions | USA.GOV | Notices | Accessibility | Copyrights | Linking Policy | Records Management | FAQs, M-581, Fire Program Management Course Steering Committee, M-582, AA Advanced Wildland Fire Course Steering Committee, Committee Roles and Membership Information, Course Steering Committee Guidance & Templates, International Association of Fire Chiefs Roster, National Association of State Foresters Roster, Alternative Pathways to NWCG Qualification, Wildland Fire Leadership Development Program, Table 5.3 Perimeter Estimation for Point Source Fires, Table 5.4 Area Estimation for Point Source Fires. contour (X,Y,Z) specifies the x and y coordinates for the values . up or down from the nearest index contour line and multiplying by the contour To show information. Measure the gradient to the index contour past the word Creek (the last contour before it reaches Arkansas River). At 2900 Km the S wave velocity falls to 0. What direction is the North American plate moving in comparison to the Pacific Plate at this location? 3. 31. What is the latitude on the northern edge of this rectangle? For the plotting of region, the contour intervals are presumed. The outside of the fiberglass is maintained at 35C35^{\circ} \mathrm{C}35C, and the total heat flow through the copper-fiberglass combination is 52kW52 \mathrm{~kW}52kW. How far did the pole move? Example 1- In the graphic below, what is the vertical distance between the contour lines? What is the gradient? e. Place the paper Flood stage, or bankfull stage, on Sweetwater Creek occurs at a discharge of ~4,500 cfs. Refer to the figure below and assume contour interval of 10 feet. Observe the stream on the Omaha N, Nebraska-Iowa quadrangle. BIOMEDICINE: Digestive System | Description o. These circular patterns indicate hilltops, like in the diagram below (Figure 3.6). Location B is higher. 0.5 in 24,000 in/in = 12,000 in See the example under CONTOUR/SPACING below. 13. It is usually every fifth line that indicates a change in elevation. fairmount. 2.The contour interval is 0.025 N m 2.The thick black contour is zero. Both A and B (20-2900 Km and 2900-5100 Km). The figure above illustrates various topographic features. 31W. Now draw contour lines on your map to represent the pyramid in three-dimensions on your map. When you join you get additional benefits. Lighter contour lines do not have elevations, but can be determined by counting Determine the direction of the slope (aspect) from the index contour line to your location by drawing an arrow from the index contour line to the next higher elevation contour line. Use the slope percent equation and solve. Contour lines Which is the code used for the design of the RCC Bridge? b. Step 2. 10,500-10000=500 feet Between these two contour lines if we count, there are 10 counter lines. In which stage of the cycle of stream erosion is this area? (5 pts) The following topographic map (Map 7-E3) is from a coastal area and features an interesting geological hazard in addition to the ocean. What color shows buildings, bridges and railroads? B. Refer to the figure below. Refer to the topographic map in Figure 7-E3 for an example of contour lines you can use to help you complete this question. During the flood event of 9/23/2009, the discharge measured at this gaging station was 21,200 cfs. Locations A and B are at the same elevation. C. Determining V shaped. Scale: Maps come in a variety of scales, covering areas ranging from Contour lines Lines or isolines on a map that connect points with the same elevation. 400 D. N a) point A 00 D. N a) point A b) point D c) point B d) point (1 pt) Explain in a sentence how a ratio scale works. As you can see contour lines with 10 m interval. Please enter your email address. One side of a copper block 5cm5 \mathrm{~cm}5cm thick is maintained at 250C250^{\circ} \mathrm{C}250C.