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Geomath. Geology 351 -. Final Review - Part 2. tom.h.wilson tom.wilson@mail.wvu.edu. Dept. Geology and Geography West Virginia University. Integrals. Integration Review the problems in the text and homework. 1. Volume of Mt. Fuji; where. l i. l f.

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## Geomath

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**Geomath**Geology 351 - Final Review - Part 2 tom.h.wilson tom.wilson@mail.wvu.edu Dept. Geology and Geography West Virginia University**Integrals**Integration Review the problems in the text and homework. 1. Volume of Mt. Fuji; where**li**lf 2. Determination of the true or total natural strain evaluated from some initial pre-deformed state to some final deformed state in a series of infinitesimal contractions or extensions occurring over a long time period. Evaluate**We can simplify the problem and still obtain a useful**result. Approximate the average densities 11,000 kg/m3 4,500 kg/m3 3. Be able to integrate the discontinuous function used to approximate internal density contrast and mass distribution within the Earth’s interior. Be able to describe what the above integral represents and how the mass is being calculated; i.e. be able to discuss the geometry of the problem.**4. Heat flow problems surrounding the basic definition**Be able to calculate the total heat generated in a given volume by an object with a specified heat generation rate.**5. Understand problems 9.9 and 9.10.**Refer to your notes from Tuesday’s class Discussions of problems 1 through 4 are found in the text with additional material presented in class slides. See http://www.geo.wvu.edu/~wilson/geomath/FinalReview-P1.pdf**highest**=N69W ~625’ 3500 4000 3000 2500 3500 3000 lowest 2500 2000 Now, how would you calculate the dip? 100 feet**In the preceding slide we showed that the horizontal**distance in the dip direction between control points subsurface formation depths relative to sea level of 2000 and 4000 feet is ~625 feet ~73 2000’ 625’**Actual thickness = ?**100’ What is this angle? =73o If the thickness of a dipping bed intersected by a vertical well is 100’, what is the actual bed-normal thickness of the layer? **T, the actual thickness?**Apparent thickness 100’ =17o**A look at some select problems from the review sheet handed**out in class Tuesday 1. What is S at t=0, , and 2 You can get a good sense of the shape of this curve just by plotting up these three values**Evaluating sedimentation rate: taking the derivative**For =30My and Smax=2.5km**2.**Substitute in for the constant terms**Salinity Gradients**Since**Differentiate the radioactivity relationship to evaluate the**rate of radioactivity decay 3. Recall this derivative equals the original function times the derivative of the terms in the exponent; thus, In this particular problem is given as 0.1My-1 What would a sketch of these two functions look like?**7.**Solve for t in the following relationship The difficulty with this one is that the t is in the exponent. So what math operation brings out the exponent (or power a base is raised to) and will allow us to solve for t in this case?**10.**Given the following in which the units of determine the units of G**13. You are mapping the geology of an area and you**run across limited exposure of a sandstone interval near the crest of a steep hill as shown below. The topographic surface dips at 40 degrees left relative to the horizontal, and the formation dips 80 degrees to the right. What is the thickness of this formation? 10m 10m**Final Exam**The exam is on Wednesday from 3 to 5pm If you have any questions don’t hesitate to drop by my office or send e-mail. Office visits are preferred since we can draw things on the boards. Let me know ahead of time if you plan on visiting. Study hard & Good luck!

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