Report format Your name Title Introduction: Brief introduction to subduction zones and the work you did in these labs th

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Report format Your name Title Introduction: Brief introduction to subduction zones and the work you did in these labs that relates to subduction zones (labs 3, 6 and 8). Method: (this section includes the methods used in lab 6 and lab 8) Describe the techniques you used to determine the type of volcanoes. Describe the techniques you use to determine the epicenter and magnitude of the earthquake. Make sure to include the reasoning behind the method Results: (This section includes the results from lab 6 and lab 8) Describe the results you obtain and observations you made in your lab 6. This includes but not limited to the type of volcano, the size and shape of the craters, magma type, plate boundary, etc. Include your topographic profiles to show your evidence for your observations Describe the results you obtain and observations you made in lab 8. This includes but not limited to the names of the stations, the values measured using the seismogram, locating the epicenters and magnitudes. As part of the results, you should also include your completed tables. Discussion: Explain the relationship between the volcano, the earthquake and the processes that occur at subduction zones. Include a completed subduction zone diagram from lab 3 to help explain the processes occurring there. Why were this magma type and this type of volcano produced at this location? Why did the earthquakes occur at those locations?

Conclusion: Paragraph summarizing your findings from those labs. IMPORTANT: The lab report is on the features of convergent plate boundary; therefore, yo do not have to discuss the parts of the lab that do not relate to those features (for example, discuss only the subduction zone diagram from lab 3). GEO 101 Report 2 Rubric Weight Student grade 0 Title Introduction 3 2 3 Relevant and Not concise concise Too short or too long or does not A paragraph, introduce the clearly introducing topic of the the topic of the paper paper Description Clear and accurate unclear or with description of a few method used to inaccuracies, or determine the some details volcano and missing magma type Description Clear and accurate unclear or with description of method used to inaccuracies, or determine some details epicenter and Missing Not relevant Missing or Too short or too plagiarized (t.e long AND does you MUST use not introduce your own the topic of the words) paper Missing or Many plagiarized (ie inaccuraciesin you MUST use the description your own and/or many words) details missing Missing or Many plagiarized (le inaccuracies in you MUST use the description your own and/or many Method: Interpretation of Volcanoes 3 3 Method: Earthquake calculations a few

Results: Volcanoes Results: Earthquake Discussion: Plate boundary type evidence port Clear and accurate plagiarized (i.e. Many omissions or with a few report of results you MUST use and omissions or including two your own inaccuracies. inaccuracies, or topographic words diagram missing profiles Missing or plagiarized (i.e. Report unclear Clear and accurate you MUST use Many omissions or with a few report of results and inaccuracies omissions or including your own words) inaccuracies calculations/table Missing or Many omissions Discussion Clear and accurate and inaccuracies unclear or with interpretation of plagiarized (i.e. you MUST be in describing a few omissions how volcano and how features YOUR data or inaccuracies, earthquake relate from the lab) relate to or diagram to plate boundary, boundary type missing including diagram Missing or Too short or too Too short or too plagiarized (1.e. long AND does long Or does A paragraph you MUST use not clearly not clearly summarizing the your own summarize the summarize the main findings words) findings findings Most of the Some of the The report follows Not followed format elements format elements the required are not followed are not followed format 6 Conclusion 3 Format 4 Total possible points: 93

Lab 3 Plate Tectonics Required materials Pencil Colored pencils Computer with Google Earth software loaded Earth Science book (from your lecture) In-class lab exercises Part 1 Plate processes The diagram below is a simplified representation of an ocean-ocean divergent margin. MOR Denne COLD Oceanic Linklere As the nospice Label the oceanic lithosphere (OL), the asthenosphere (A), the zone of melting (ZM), the mid-ocean ridge (MOR). Draw arrows on the plates to indicate the directions in which they are moving. Draw a second set of arrows to show the direction of flow in the asthenosphere. What feature would you find at the center of the mid-ocean ridge?

structor Maria The diagram below is a simplified representation of an ocean-continent convergent margin. 0 (CL) Asthenasplere Arthauke May excur Label the oceanic lithosphere (OL), the continental lithosphere (CL), the asthenosphere (A), and the zone of melting (ZM). Indicate the regions where earthquakes may occur (). Draw arrows on the plates to indicate the directions in which they are moving. Draw a second set of arrows to show the direction of flow in the asthenosphere. Label the locations of the trench (T) and the accretionary wedge (AW).

9 Part 2 Calculation of plate movement Look at the map of the age of the seafloor in Fig. 2.17 of "Earth Scienc By looking at the figure, do you think the Mid-Atlantic Ridge is spreading faster or slower than the East Pacific Rise? Explain why you think this. Spreads ar astower rate, because we can see lowered roots ar re taro disance from re East Paenit rise in Compunson to ne mid atlanne Ridge Locate New York City on that map and answer the questions below. What age is the seafloor immediately off the coast of NYC? 150 Million years Using the ruler tool in Google Earth, what is the shortest distance (in km) of the edge of the continental shelf off NYC to the Mid-Atlantic Ridge? 6042 should be half of this value from Using the equation rate = distance / time, how fast had North America moved away the Mid-Atlantic Ridge (in cm/year)? Show your calculations, Ridge - distance time - Distance lage = 6,042 KM/ ) 150 Munon years = ( 6042 x 1000 x 100 cm / 6 (150 x 10 years ) -14.028 cm/ years Considering that South America is moving away from the East Pacific Rise at approximately 8.6 cm/year, do these rates agree with your initial assumption? Explain why. Yes, becave Ile East Pacific rose is spreading at re rure of 8.6 cm / year and mid Atlantic Ridge is Piceding Charare of around 4.028cm/year. Thus, the data also Suaprt Thot tu mid Atlantic ride is sprending ne at a slower Tate than the east Pacific rise

Pencil Computer with Google Earth software loaded In-class lab exercises Part 1 Interpretation of Mount Saint Helens Open Google Earth Pro on your computer. Search for "Mount Saint Helens, WA" in the box at the top left of your screen. Zoom in or out until you can clearly see the mountain and crater. Use the ruler tool to draw a topographic profile from west to east across the center of the crater. Make sure you can clearly see the entire mountain on your profile. Save the topographic profile on a blank word document. You should have both the map and the profile. Print the image and include it with your lab. Use the area tool on Google Earth to calculate the area of the crater (sq.km).

Part 2 Interpretation of Crater Lake Next search for "Crater Lake, Klamath County, OR" in the box at the top left of your screen. Use the ruler tool to draw a topographic profile from west to east across the center of the crater. Make sure you can clearly see the entire mountain on your profile (not just the lake) Save the topographic profile on a blank word document. You should have both the map and the profile. Print the image and include it with your lab. Use the area tool on Google Earth to calculate the area of Crater Lake. (sq.km).

MISL. Melens Nattenal Voeente Monument 4891.1 0.57 22.3% Mt St Helens Google Earth Graph. Mn. Avg. Max Elevation: 4361, 5868, 7777 It Range Totals. Distance. 5.69 mi Elev Gain Loss: 5512 11. -6308 ft Max Slope 83.7%, 91.6% 7777 It 70001 6000 4891 ft 5000 11 4361 22.3% 0.5 mi 1 m 2 m 3 m 4 m 5 m 5.69 m

6622 107m 1075 Craterlake Odesland CAL Check Sead CASCO M Mazara Piani Falls Vidae Falls Google Earth Ga Mn. Avg MU Eaton 6524.6397.736411 Range Tous Distance 10m Eker Gan Loss 373711-2669 Mae Sip 1245 419 Avg 7410 7368 7000 9522 500 5000 5524 -1073

Part 3 Worldwide Plate Boundaries On the present day world map on the next page use color to mark the divergent, convergent and transform plate boundaries. Choose a different color for each type of plate boundary, and show these colors in a key. Are there more convergent or divergent boundaries, or are their total lengths about the same? There are total length of convergent and diverg Div boundares are the same Why is this? There is no rength gain or loss of a plate. In one side a plate consuming at convergent boundary Then in other Side it is created Where are most of the transform boundaries located? occur at The Mid oceanic ridges Why? because he two plates pulling apart from each other in opposite directions Why?

In-class lab exercises Part 1: Epicenter and Magnitude During this exercise you will calculate the epicenter location and magnitude of two earthquakes, using software on the Internet. Go to http://www.sciencecourseware.org/Virtua ... ake/VQuake Execute.html Read the text about earthquakes, and then select the Japan region. Follow the instructions on your screen, and whenever you enter a number on the computer, you should record it below. Don't forget to include units! Seismic Station S-P interval Epicenter distance S wave amplitude Pusan 90mm 57 sec 1543 KM 148 Sec 1425KM 210 171 sec 700km TOKYO Akita mm 30 mm

In-class lab exercises Part 1: Epicenter and Magnitude During this exercise you will calculate the epicenter location and magnitude of two earthquakes, using software on the Internet. Earthquake/VQuakeExecute.html Go to http://www.sciencecourseware.org/Virtual Read the text about earthquakes, and then select the Japan region. Follow the instructions on your screen, and whenever you enter a number on the computer, you should record it below. Don't forget to include units! Seismic Station S-P interval Epicenter S wave amplitude distance 57 Sec 543 KM 90mm 48 Sec 1210 mm 425 KM 71 Sec 700 km Pusan токуо Akita 30 mm