Geologic cross section 2 answers. re-evaluate the geologic cross-section in Fig.
Geologic cross section 2 answers. Question: Figure 2 is a geologic cross-section where each rock unit is assigned a letter as a label. 10. The cross section represents the Palisades sill in southern New York State and the surrounding bedrock. pdf from GEOL 1 at California State University, Sacramento. Things to consider might include: The section should be representative of the area being studied, and should cross major structural features such as faults, fold stions 5 through 9 on the cross section below and on your nowledge of Earth science. , List the relative ages of the rock units in Geologic cross section 3 Construction of Geologic Maps and Geologic Cross Sections From Raw Field Data: Your instructor will lead you through the procedures for constructing a geologic map and cross section from a raw data base. Confer with figure 10. The diagram above shows a geologic cross-section of some rocks, such as you might see in a cliff. Geologic cross section 2 Oldest Click to view larger image. and more. Study with Quizlet and memorize flashcards containing terms like This figure shows two sections that represent the same age range and contain some of the same fossils. Which is the oldest List the rock units in order from oldest to youngest in Geologic Cross Section 4. Geologic cross section 2 Click to view larger image. Record your answers to Lab Exercise, Step 1, Questions 1 through 9. The rock layers and events are lettered. 4. Assume that the geologic cross section from Part 1 and the topographic cross section from Part 2 represent similar areas. 5, Strophomena is found in E, Platystrophia and Petrocrania in F, and Petrocrania, Chonetes, and Neospirifer in C ( When were Units E, A, F, and I tilted? Explain. 1 and AB. Use the blanks to the right of the figure for your answers. What is the minimum and maximum amount of time that is not reflected in the rock record in this location? minimum: Myr maximum Question: Part 2 Principles of Cross-Cutting and Inclusions The Figure to the left is a geologic cross-section of a hypothetical area. 2 B REFLECT & DISCUSS Return to Geologic Cross-Section 2 in Figure A8. 1 and A8. This exercise asks students to interpret a simple cross section and apply their understanding of geological principles. The following steps apply to construction of the geologic maps and cross sections presented in Figures 12. Second, geologic maps are essential tools for practical applications such as zoning, engineering, and hazard assessment. Letters A, B, C, and indicate sedimentary rock layers that we e 7. schist – 23; shale – 20 D) Jun 27, 2023 · In Geologic Cross Section 2, the rock units can be listed from oldest to youngest as follows: Archean Unconformity - This represents a significant break in deposition and indicates erosion or tectonic activity in the early geological history. All responses must be in red or underlined. A A) The most recently formed rock unit is at location geologic cross section shown below. AB 2. Get your coupon Science Earth Sciences Earth Sciences questions and answers B REFLECT & DISCUSS Return to Geologic Cross-Section 2 in Figure A8. Determine the line along which you are going to draw the section. (2 pts) #1 #3 #5 241/48NW 240/60NW 073/36SE #2 #4 #6 S58W/55NW N67E/42SE N75E/31SE Structure Map B 4000 Contours: 40ft Scale: 1:5000 13. Sandstone syncline) surface, with Answer Cross Section 1 Answer Cross Section 2 before R Answer / Sequence of Events 80 t. Geologic cross section 3 G Erosion X D Erosion Y Folding T rake AM1 A Man Online Note a, e, and fare igneous intrusions Part 4. Science Earth Sciences Earth Sciences questions and answers Geologic Cross Section 3 Youngest Geologic Cross Section4 B. Complete the cross section. old bones Geologic Cross Section Examine the geologic cross section below, and determine the relative ages of the lettered rock bodies and features such as faults or surfaces of erosion. 12 is a schematic geologic cross section based on the mapping of different outcrops from several locali- ties in a geographic area covering about 10 square miles. First, as geologists make geologic maps and related explanations and cross-sections, they develop a theoretical understanding of the geology and geologic history of a given area. Get your coupon Engineering Civil Engineering Civil Engineering questions and answers Assignment No. The cross section represents rock and sediment layers, labeled A through F. Return to geologic Cross Section 2, and notice how the Colorado River has cut down through the rocks to create the Grand Canyon Gorge. Rock layers A, B, C, D, E, and F are sedimentary; E contains mud cracks and fossil footprints as shown. Science Earth Sciences Earth Sciences questions and answers Return to geologic Cross Section 2, and notice how the Colorado River has air down through the rocks to create the Grand Canyon Gorge. Then use this cross-section to answer Questions 2 through 5. , Complete Geologic Cross Section 2 in your lab manual and record your answers here using number 1 as the oldest rock unit. In wherever an event such as folding, tilting, erosion, or intrusion has occurred. Part d. 2. All rocks are sedimentary except for the following: H: metamorphic P and S: intrusive Get your coupon Science Earth Sciences Earth Sciences questions and answers D Using Fig. c. 6 Dating Rocks by Overlapping Fossil Ranges (continued) Name: Course: Section: Date: (6) Now apply these overlaps to cross section 1 in Exercise 125. 8. The cross section represents a portion of Earth’s crust. A10. The tree is growing on top of the modern surface. And A2. 2 Name: Course/Section: Date: A Review the key to symbols at the bottom of Fig. " Base your answers to questions 2 through 6 on the diagrams below which represent two rock outcrops found several miles apart in New York State. 2). Question: ACTIVITY 8. 2 Determining Sequence of Events in Geologic Cross-Sections Course/Section: Date Name A Review the key to the bottom of A1. Answer to Question 2 (Activity 10. When were Units EA F and I tilted? Explain your reasoning 10 points (2007) Part 2. Geologic cross-section 2: Modern anum Shale 3 Sandstone 3 Limestone 2 Sandstone 3 She 2 Limestone Sandstone 2 Shale 1 Sandstone Granite 1 Dolecite dyke QUESTION 10 Please study geologie cross-section 2 first, then put the following three events in order of their formations (1 [aldast 2,3 Lyoungestp. Below is a small section from a hypothetical geologic map. 5-12. Question: Determining Sequence of Events in Geologic Cross-Sections Activity 8. Which is Once you've figured out the relative ages, type your answers in the white blocks, then go to the bottom of the page and click on the button marked "Submit Answers for Correction. Sep 7, 2014 · 2. y. Mar 14, 2023 · Use this geologic cross-section (x-section 2) to put the Layers in order from oldest to youngest, with an explanation. 4, p. 105 sh Bloomsbung Formation Sb Clinton GoUD Tuscarora Formation Os Bald Engle and Juniata sh Formations (shales Oc Coburn Formation and Reedsaille imestone and shale Middle Ordovician Osh Keep the true thicknesses constant in the section! A € -540 1-30 Figure F. Interpreting Geologic Histories Using Relative Dating Principles To principle of superposition sedimentary rock layer is older then the unit above but yonger than the unit below principle of cross-cutting relations states that any rock is always older than any feature that cuts through or disrupts it angular unconformity shows truncation of upturned or tilted layers below the unconformity surface Figure 2. Metamorphism of some sedimentary rock k Y. A) Which rock is the youngest? the metamorphic rock. A. D. Name:Lab Section:Date:GEOS 1 1 1 1 L: Physical Geology LaboratoryLaboratory 8: Geologic Time Activity Answer SheetActivity 8. REFLECT & DISCUSS Return to geologic Cross Section 2, and notice how the Colorado River has cut down through the rocks to create the Grand Canyon Gorge. Layers A, B, C, D, E, F, G, H, and I are sedimentary layers. Construction of Geologic Cross Sections Given A Completed Geologic Map: Now look carefully at the various geologic maps provided in Figures 12. 413; and Dikef has hornblende with 50% of its parent potassium-40. Nov 26, 2023 · This answer is FREE! See the answer to your question: Using the geologic cross-section above, put the rock layers in order from oldest to young… - brainly. 2. 5 Deciphering Geologic History Using Physical Principles of Relative Dating! Name: Section: Course: Date: In this exercise, you will combine the physical principles of relative dating with your knowledge of geologic structures (from Chapter 10) to interpret the geologic histories of four areas with various degrees of PART TWO: RELATIVE AGE Figure 2: Geologic Cross-section (Sequence diagram) Examine the geologic cross-section diagram and answer the questions below. Geologic events V through Z are listed below V. A Base your answer to the following question on the geologic cross section below. 10, draw a geologic cross section representing line A-A' in figure 13. Students need to refer to the figures and laws of relative age dating to complete the task. 3. Science Earth Sciences Earth Sciences questions and answers Activity 8. Oldes Geologic Cross Section 3 IHNA Geologic Cross Section 4 Figure A8. 5 in your lab manual. Include faulting and folding events. a) What kinds of rocks are found in this map area (sedimentary, igneous, and/or metamorphic)? How many units can you see? b) Draw a geological cross-section between the points X and Y indicated on Map 2. com Science Earth Sciences Earth Sciences questions and answers EXERCISE 12. Question: Put the geologic features in the following cross-section in order from youngest to oldest using the principles explained above. - What is the length of the gap in geologic time Dec 26, 2022 · Final answer: The activity involves determining the sequence of events in a geologic cross section using the principles of relative age dating and the legend of symbols provided. (B) Topographic profile along trace A-A. Geologic maps are important for two reasons. • How old is Unit H? Dike d? Question: Q2) Using the geologic cross section below, put the rock layers (each named by a different letter) in order from oldest to youngest. List rock units from oldest to youngest and mark geological events. , Using the geologic cross section below, put the rock layers in order from oldest to youngest. See Answer Question: 2. Part 1. Which layer is the oldest? A F G K What would you classify F as? intrusion inclusion rock layer fault Which of the following unconformities are present in this geologic cross section? disconformity angular unconformity nonconformity J (Zoroaster granite) is older than F (basalt). 2 1. The discontinuity indicates a gap in the rock record. Science Earth Sciences Earth Sciences questions and answers Activity 10. Be accurate with your angles; use a protractor as they will be checked. A vertical cross-section showing the trace of a geologic surface may be constructed in exactly the same way by noting where structure contours cross the line of section. 2 Course/Section Date: A Review the Keview the key to wmbols at the bottom of Fig. Record your answer to Lab Exercise, Step 1, Question 10. 2 Course/Section A Review the key to be a b 132, wie lets tindrate the ce on Rere l e A. Which feature is the youngest?, Fossils are most common in which rock types? and more. Base your answers to questions 12 through 14 on the geologic cross section and photograph below and on your knowledge of Earth science. A8 2. Relative age diagrams can include rock layers, intrusions,… Question: Activity 8. Which two formations are separated by a disconformity? Figure A8. All rocks are sedimentary except for the following:H: metamorphicP and S : intrusive igneous rocksThe space below is provided for you to make notes. (youngest rock unit) (oldest rock unit) 2. Question: Exercise : Constructing a geologic cross-section with topography 12. Note: You will have to prepare a cross-section from scratch for this exercise, but you can use the format from the Map 1 cross-section as a guide. 3 - Geologic Cross-Section This assignment will introduce you to one of the most fundamental tools an Engineering Geologist uses to develop a site characterization - geologic cross-sections. Page 14 Base your answers to questions 45 and 46 on the geologic cross section and graph provided below, which represents an outcrop of various types of bedrock and bedrock features in Colorado. When were Units E, A, F, and I tilted? Explain your reasoning. A8. Using Fig. Note any unconformities that may be present and what type they are. Individual rock layers are lettered, and fossils and rock types are indicated. 2 based on its fossils. On the line providod for each cross section, write letters to indicate the sequence of events from oldest (first in the sequence ofevental to youngest aast in the sequence of events). Use this geologic cross-section (x-section 2) to put the Layers in order from oldest to youngest, with an explanation. Which is older: C or D? C 3. All responses must be in red or underlined, Also, leave a space between the question and answer coa Two sets of sedimentary rocks are shown on the diagram, one below and one above the line C. The principle of cross-cutting relationships states that a fault or intrusion is younger than the rocks that it cuts through. Apr 6, 2023 · To determine the relative ages of rock units, use principles like the Law of Superposition, Original Horizontality, Cross-Cutting Relationships, and Inclusions. The Law of Superposition states that in an undisturbed sedimentary sequence, the oldest layers are at the bottom and the youngest are at the top. 3 days ago · A geologic cross section: Sedimentary rocks (A-C), igneous intrusion (D), fault (E). (A) Geologic map and trace of line (A-A along which geologic cross-section will be constructed). The topo- graphic profile has been drawn already, so in this case you need only transfer the geological Lesson 9/Geologic Time 203 Short Answer Questions 1 and 2 are based on the Lab Exercise, Step 1. It is a cross-section through the Earth. Which unit is the youngest? 2. Your instructor will assign one or more of these for you to complete as homework. Indicate wherever an event such as folding, tilting, erosion, or intrusion has occurred. 1. 286) AppalachianQuestion: Question 2 (Activity 10. Use it to answer the following questions. Learning Objectives The goals of this chapter are to: Visualize geologic structures in maps and cross-sections Identify geologic structures on a geologic map Learn how to read a geologic map Some of the maps in this chapter can be printed on poster paper from large PDF files found here (opens in a new tab). Which unit is the oldest? A 2. Geological Mapping Exercise 1 - Answers File Geological Mapping Exercise 2 File This exercise asks students to think in three dimensions, completing block diagrams. In order to determine the relative ages use the four fundamental principles of relative age dating that were explained to you on the concepts page. Earth Sciences questions and answers (e) In geologic cross section 4 of Exercise 12. 2, write letters to indicate the sequence of events from oldest first in the sequence of events) to youngest (last in the sequence of The geologic cross section below, illustrates a series of rock layers as they might appear in a roadcut or quarry wall. Science Earth Sciences Earth Sciences questions and answers Geologic cross section 2 D Youngest G K K C с Oldest In this exercise, you will combine the physical principles of relative dating with your knowledge of geologic structures (from Chapter 10) to interpret the geologic histories of four areas with various degrees of complexity. Which is older: C or D? 3. 2 Name: Determining Sequence of Events in Geologic Cross-Sections Course/Section Date: Learning GOAL You will apply the principles of relative dining to interpret geologic histwy from a crownection. Intrusion/extrusion of igneous rock Mar 21, 2025 · Geology document from Southern New Hampshire University, 3 pages, Geologic Map Lab Jade Leutenberg 2-16-2025 Part 1 Part 2: fPart 2 Lab Questions: f1. 2 Determining the Sequence of Events in Geologic Cross sectionsA Review the key to symbols at the bottom of Fig. (2) The layers in this cross section are all igneous, so it would not work. As 2. (4) 50 million years ago Base your answers to questions 20 through 22 on the geologic cross section below, which shows a view of rock layers at Earth's surface. List each of the geologic features shown in Figure 9. Os the lines pended for each sectos. write benten to indicate the sequence of events from oldes flest in the wence of some case in the quence of Refer to 82-8. Science Earth Sciences Earth Sciences questions and answers PART B 4. Science Earth Sciences Earth Sciences questions and answers B REFLECT \& DISCUSS Return to Geologic Cross-Section 2 in Fig. 12 from youngest to oldest. Mar 14, 2023 · This answer is FREE! See the answer to your question: Use the geologic cross-section (x-section 2) to order the layers from oldest to youngest,… - brainly. Part c. How could the Law of Superposition be applied correctly to this cross section? (1) The youngest sedimentary layer was deposited by glaciers. B. If you compare the two sections, what conclusions do you come to?, Examine the geologic cross section above. 5, Strophomena is found in Unit E, Platystrophia and Petrocrania in F, and Petrocrania, Chonetes, and Neospirifer in C. Constructing a Cross Section. 286) Appalachian Mountains Geologic Map A. True False Which stratigraphy principle (s) is/are Base your answers to questions 8 through 11 on the geologic cross section below and on your knowledge of Earth science. Use the information given on the map itself to produce a geological structure section that shows what the rocks are doing along the line B-B'. Discuss with a partner or small group what law (s) of relative dating you would need to apply if you were asked to reconstruct what the cross-section Question: GEOL 103 Geologic Structures and Geologic Maps Lab exercise Using the geologic map provided by your lab instructor, draw the geologic cross section that corresponds to the line X-Y on the figure below. A X (2006) In Geologic Cross Section 2 of Exercise 12. 2 Name: Course/Section: Date: Learning GOAL You will apply the principles of relative dating to interpret geologic history from a cross-section. Number the oldest rock unit as number 1 and continue from there. Draw symbols for the following strike and dips next to the corresponding number on Map B below. Study with Quizlet and memorize flashcards containing terms like Order the geologic cross section using Exercise 12. On figure 13. 5, Strophomene is found in Unit E, Platystrophia and Petrocrants in F, and Potrocranio, Chonetes, and Neospiniller in C Geologic cross section 2 Cick to view larger image Part 1. Location 26. 62; Dike d contains zircon with a uranium-235:lead-207 ratio of 2. 2, write letters to indicate the sequence of events from oldest (first in the sequence of events) to youngest (last in the sequence of Study with Quizlet and memorize flashcards containing terms like D, D, C and more. Question: Name Section EXERCISE 5 Date Constructing a Columnar Section from a Geologic Cross Section Figure 2. and control lines denoting dip inclinations of bedding and faults. (Hint: The relationship between Unit M and unconformity O may at first appear ambiguous, but note carefully what . Notice that the cross section boxes have not been filled in. These questions are included in the Lab 3 worksheets. 1 using the steps described in Fig. Earth's oceans photosynthetic cyanobacteria evolved in D) Questions: 1. 5, Unit H has a thin volcanic ash bed at its base and zircon with a uranium-235:lead-207 ratio of 46. 1 2. What type of tectonic stress (compressional, ten- sional, or shear) is indicated by the folding and faulting present in the map area? 1. When were Units E, A, F, and I Oct 18, 2020 · (2 pts) Sketch a rough cross-section of your interpretation of the geology in Figure 8-E7, between points X and Y (X-Y). (10 points) Sb st Sb (shale) Bloomsburg Formation X 1435 SC SC Oss Ordovician Silurian Jun 20, 2021 · View Geologic Cross Sections (Activity 8. List from the oldest event to the youngest event below. - If Neospirifer is found in Unit D, Platystrophia in F, and Strophomena in A, suggest an age for C. com Answers to Section G: Time and the Fossil Record (Relative Dating) Use the following sketch of a geological cross section to answer questions 1 to 3. G is igneous rock that hardened from hot, melted rock. Reconstructing Relative Geological Time What To Do Figure 3. 13, re-evaluate the geologic cross-section in Fig. 2 Determining Sequence of Events in Geologic Cross Sections A. Use the labels inFigure 2 and the stratigraphic principles to answer the questions that follow. (Q006) In Geologic Cross Section 2 of Exercise 12. Potassium-40 analysis determined the sill to be approximately 200,000,000 years old. Mar 12, 2018 · Explanation To determine the order of events and layers in a geological cross-section, we can apply the Law of Superposition and the Principle of Original Horizontality. The goals of this chapter are to: Visualize geologic structures in maps and cross-sections Identify geologic structures on a geologic map Learn how to read a geologic map Some of the maps in this chapter can be printed on poster paper from large PDF files found here (opens in a new tab). List the rock units in order from oldest to youngest in Geologic Cross Section 2. 2, 12. 13 . What type of unconformity is present in this geological cross section?, Now let's look at a slightly more complicated geological cross section and work out its sequence of geological events (see Figure 2). List the rock units in order from oldest to youngest in Geologic Cross Section 4. Ducats with a partner or small group, what law of relative age dating you would need to apply in order to draw in the rock layers of Grand Canyon Gorge that are miming from the crow section. 5 for guidance. Geologic map, showing technique for adding geology, using structure contours, to make a geologic cross-section. PART TWO: RELATIVE AGE Figure 2: Geologic Cross-section (Sequence diagram) Examine the geologic cross-section diagram and answer the questions below. You can ignore the sea level line. The photograph shows a mastodont tooth found in glacial sediments Science Earth Sciences Earth Sciences questions and answers Part 2. Earth Sciences questions and answers B. This is the ultimate in "cold case" forensic science, as Introduction This is an example of a relative age diagram. 3, and 12. Science Earth Sciences Earth Sciences questions and answers REFLECT \& DISCUSS Return to Geologic Cross-Section 2 in Fig. On the lines provided for each cross-section in Figs. EXERCISES Name Section Constructing a Columnar Section from a Geologic Cross Section Figure 2. Then, briefly explain which principles you used to determine the relative ages of the rock units in this diagram. 3. Study with Quizlet and memorize flashcards containing terms like Determine the sequence of events in geologic cross sections, Concepts of relative and absolute dating methods, Calculate absolute date with parent/daughter isotope ratios and more. The diagram below represents a geologic cross section. 1, and notice how the Colorado River has cut down through the rocks to create the Grand Canyon Gorge. Earth Sciences Earth Sciences questions and answers Constructing a Columnar Section from a Geologic Cross Section Figure 2. re-evaluate the geologic cross-section in Fig. Determining Sequence of Events in Geologic Cross-Sections Name: a b\t1eue Question: Geologic cross section 2 D Youngest H G K K C С F F A E Oldest (c) In the second cross section of Exercise 17. Which is older: B or the Unconformity Answers: 1. Which two formations are separated by a disconformity? 2. Explanation: In this activity, you are asked to determine the sequence of events in a geologic cross section by using the Study with Quizlet and memorize flashcards containing terms like For what reason might the nuclei of atoms break apart in radioactivity?, All isotopes are unstable. Then answer the questions using the map and geologic cross-section. old, would not apply to 400 m. (1 pt) Is there data missing from the map that would help you improve the accuracy of your interpretation? 3 days ago · A geologic cross section: Sedimentary rocks (A-C), igneous intrusion (D), fault (E). You will also develop skills in reading the symbols on geologle maps A Review the key to symbols at the bottom of Fig. English Communications Communications questions and answers based on its fossils. As exactly Exercise 3. 2 Basic steps in constructing a simple geologic cross section. To start solving the first step for Geologic cross section 2, identify and list the oldest rock unit based on the principle of superposition, which requires looking at the bottom-most layer of the cross section. Science Earth Sciences Earth Sciences questions and answers Describe the geologic history of Geologic Cross Section 2. You will also develop skills in reading the symbols on geologic maps. a. Follow these principles to analyze each geologic cross-section and interpret their histories. Although this is trivial when it is assigned to you, as a geologist, several considerations must go into selecting an appropriate section. 12 is a schematic geologic cross section based on the mapping of different outcrops from several locali ties in a geographie area covering about 10 square miles Formations shown by the same color and symbols are the same age. Explain your reasoning. Formations shown by the same color and symbols are the same age. Then, briefly explain which principles you used to determine the relative ages of the rock units in this Get your coupon Science Earth Sciences Earth Sciences questions and answers (2006) In Geologic Cross Section 2 of Exercise 12. schist – 23; shale – 20 D) Science Earth Sciences Earth Sciences questions and answers EXERCISE 12. 10 and the principles of Please Answer all questions Observe the geologic cross section. Science Earth Sciences Earth Sciences questions and answers Determining Sequence of Events in Geologic Cross-Sections Activity 8. 4 Appalachian Mountains Geologic Map Name: Date: A Complete the geologic crosssection in Fig. All responses must be in red or underlined, Also, leave a space between the question and answer. 3 and the stratigraphic principles to answer the questions that follow. Review the legend of symbols at the bottom of the page. Discuss with a partner or small group, what law of relative age dating you would need to apply in order to draw in the rock layers of Grand Canyon Gorge that are missing from the cross section. 1. A geologic sequence diagram is basically a geologic cross section where the relative order of units/events has been determined using the common sense relative dating principles described above. This is followed by a cross section with flat topography. Use the labels in Figure 3. Question: Procedure (Part 2). 3 is a geologic cross-section where each rock unit is assigned a letter as a label. fursr d1pd 1mdayxxh t1zbngm kvpnrwl mcwly abqhy p5 6e0od1 wrzgfvr3i