GEOP4210
Xiaobing Zhou, Associate Professor of Geophysics

1. Field Site (FieldSite_2009.pdf; Geological map by Colleen Elliot)
   
2. Lecture #1: Geophysical Exploration using Gravity Method (GravityMethod.pdf)
3. Lecture #2: Geophysical Exploration using Gravity Method (MagneticMethod.pdf)
   
4. Data interpretation software (GravMag.exe)
5. Example of gravity data reduction (GravityDataReduction_example.xls)
   
6. **Lab #1: Interpretation of gravity anomaly using GRAVMAG (Lab#1)
   
7. **Lab #2: Interpretation of magnetic anomaly using GRAVMAG (Lab#2)
   
8. **Lab #3: Terrain correction (Lab#3, input_lab3.csv, Trncor.zip, DEM_lab3.zip)
9. **Lab #4: Convert WGS84 geographic coordinates to UTM coordinates (Lab#4, deg2utm.zip, lab4.csv);
10. GPS survey:
    
• Use Leica GPS 1200, GPS1200 User Manual, RX1200 User Manul, GPS1200 Equipmentlist are avialble for your reference;
• GPS data dowload and processing Leica Geo Office, GPS Tutorial.
  
11. Gravity survey:
• Short manual for L&R D-66 and G-198 gravimeters (pdf)
• Short manual for  Worden Educator-113 gravimeter (pdf)
• Dial constant (calibration factor) for Lacoste & Romberg Inc model D-66 gravimeter: cc = 1.2335 mGal/div
• Dial constant (calibration factor) for Lacoste and Romberg model G-198 depends on reading range, see the calibration data sheet (pdf)
• Dial constant (calibration factor) for Worden model Educator-113 gravimeter: cc = 0.4017 mGal/div
• DEM image of Divide Creek Basin (DivideCreekBasin.zip) (center 45.803°N, 112.709°W; width: W-E = 2.16°, N-S = 2.16°. Datum: NAD 83)
12. Magnetic survey:
• Manual for magnetic gradiometer G-856 (G856manual.pdf)
  
• Manual for MagMap2000 (magmap2000.pdf)
  
13. Report format (ReportFormat.doc)
14. To dispaly data, you can use ArcExplorer (install.exe, manual)
    
15. References
• Vuke, S.M., 2004, Geologic map of the Divide area, southwest Montana, Montana Bureau of Mines and Geology: Open-File Report 502, 36 p., 1 sheet(s), 1:50,000. http://www.mbmg.mtech.edu/mbmgcat/public/ListCitation.asp?pub_id=11373&
• Berg, R.B., Hargrave, P., 2004, Geologic map of the Upper Clark Fork Valley, southwestern Montana, Montana Bureau of Mines and Geology: Open-File Report 506, 10 p., 2 sheet(s), 1:50,000. http://www.mbmg.mtech.edu/mbmgcat/public/ListCitation.asp?pub_id=11377&