Castidad

Castidad gy cristotarah 110R6pR 16, 2011 3 pagos Oceanography Mid-Term Study Guide (Fall 2011 Tuesdays 1 lam-145prn & 625pm-910pm Oven,’iew: BATHYMETRY CONTOUR MAPS -Know how to draw contours, be aware of contour intervals, and label them. -Be aware of elevation/depth values on maps to know where to start drawing a contour. -Remember v-rule from intro lab and why it exists. -Know the significance of contours such as isobaths. -Practice contour plotting from Intro Lab and Lab 1 SEISMIC PROFILE -Practice exercise on seawater and sedim MID-OCEAN RIDGES, Know what these fe ridges form. rs Sv. ipe to View nut*ge ave travel through hes and mid-ocean -Know where some of these features are located on a map (i. e. Mid-Atlantic Ridge, East Pacific Rise, Aleutian Trench, Mariana Trench, Pacific Plate, North American Plate, etc. ) -Know the 3 kinds of plate boundaries (convergent, divergent, and transform) and What makes them distinct from one another. -Know the difference between an active and passive continental margin. -Study maps from Lab 2. SELECTED QUESTIONS FROM LAB 2/PART 1 -s Swlpe to vlew nexr page Study the questions from Lab 2/Part 1.

Will select a handful of questions from there. OCEAN PROFILE (CROSS SECTION) -Know What the

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cross section of an ocean floor looks like (i. e. from North America to Africa). -Know where the continental slopes, abyssal Plains, and mid- Atlantic ridge is located with respect to an ocean floor profile. CARBONATE COMPENSATION DEPTH (CCD) -Know What is, where it is, the effect it has on Calcium Carbonate and why it has that effect on it. -Read description of CCD in Lab 3. EMPEROR’S SEAMOUNT CHAIN (HAWAIAN ISLANDS) Know What is and where it’s located. Look over exercise involving his feature in Lab 3. OCEAN SEDIMENTS/MATERIALS OF THE SEAFLOOR -Know the different kinds of sediments (Terrigenous and Biogenous). -Terrigenous (sand, silt, ash, dust, etc. ) -Know how terrigenous sediments are deposited into the ocean. -Biogenous (i. e. calcareous ooze, siliceous ooze) -Know the source of these Biogenous sediments and how they are deposited onto the ocean floor as ooze. -Know about Red Clays, Manganese Nodules, and Exposed Basalts. -Study descriptions of these sediments in Lab 3.

Know how to calculate the time of certain sediments t descriptions of these sediments in Lab 3. -Know how to calculate the time of certain sediments to accumulate given their amount, and rate of accumulation. (Recall last 2 problems on Lab 3). -Overall, know where these sediments can be found on the ocean floor. SEAFLOOR SPREADING/SEAFLOOR MAGNETIC POLARITY REVERSALS -Know how to calculate half ; full spreading rates. -Know the relationship between rock age and distance to the spreading center. -Know What the deep ocean floor is composed of (I. e. What is the dominant rock).

Practice corresponding exercises on Lab 3. MICROFOSSILS/MICROPALEONTOLOGY -Know the morphological distinctions between Planktic and Benthic Foraminifera and why they are shaped the way they are (Be able to draw What they generally look like). -Practice the exercise on how to construct ancient environments using microfossils (Number 5 from Lab 4). ADDITIONAL COMMENTS: -Know how to do unit conversions properly. -When dealing with units always write them down next to the numerical value. -Please show your work neatly when doing problems that involve calculations 31_1f3