Schedule - HackMD

--- tags: geol 420 website page --- # Schedule I will be building up our schedule below as we go. Handouts will be linked below as well. ## Week 1 ### Lab (Field) T 9/20 or R 9/22 [Lab handout](https://filedn.com/lhT56ADuefxuE99NAXo9VKH/cpslo/sites/geol420/Lab%20Meetings/F22%20Lab%201/Lab%201.pdf) - Cable management - What is the simplest electrical resistivity measurement (4-electrode Wenner measurements with the SKS-24 electrical resistivity meter) - What can an electrical resistivity measurement do for you? (Los Alamos sturcutral geology example on the rolling whiteboard) ### Class (F 9/23) Gaining intuition about the "earth-circuit" idea and the earth as a resistor. [DC Circuit Consturction simulator](https://phet.colorado.edu/en/simulations/circuit-construction-kit-dc). Resistance vs. resistivity. See the available reading materials on the [Electrical Resistivity webpage](https://hackmd.io/@seismonerd/er-surveying). ## Week 2 ### Lab (Field) T9/27 or R 9/29 Collect a 1D Wenner Vertical Electrical Sounding (VES) data set at the Chorro Creek Dog Leg Reference Profile. - What is the [Chorro Creek Dog Leg Reference Profile](https://cpslo-my.sharepoint.com/:b:/g/personal/jjasbins_calpoly_edu/EVIgpzXBAK1Ft_1d3VoKHjwBg2aFQ9Z1yhb6FgLzpKaYjQ?e=0lZwuN)? - [Chorro Creek Dog Leg](https://cpslo-my.sharepoint.com/:b:/g/personal/jjasbins_calpoly_edu/EZ4vz5AABkRFgM8xuogGp8MBMAYuUvFKvjRu9Rtqzjk5ew?e=3Y6svJ) area topographic map - [Wenner 1D VES](https://cpslo-my.sharepoint.com/:b:/g/personal/jjasbins_calpoly_edu/EflGOl8wd5JPiFX5e-xOxJwBe17GLan__Ys3Paw1N5t-vg?e=JHkDgf) data collection handout. - [Morro Bay South Geologic Map](https://cpslo-my.sharepoint.com/:b:/g/personal/jjasbins_calpoly_edu/EebERNB1uHtFuj-o_e7HGicBMGQ8z1MQi4jd5vnSF4Fw3A?e=d9CV8c). Quite zoomed out from our field site but shows local geology. May not render cleanly in a browser window - download PDF document and use a PDF reader on your local computer. - Excerpt for the [Chorro Creek Dog Leg area](https://cpslo-my.sharepoint.com/:b:/g/personal/jjasbins_calpoly_edu/EcWqavG2ks9DkCFUzSvQXbsBVYJX-8-SqR283zMKQTnq4Q?e=W6CEs2) ### Class (F 9/30) - Processing (with EarthImager1D) and interpreting (thinking geologically) the Chorro Creek VES data. - A minimal summary of the field data is available on the [Data Archive](/nU8kLGvMQPy8T2o__mxxig) page. ## Week 3 ### Lab (Field) T 10/4 or R 10/6 Collect to 2D Electrical Resistivity Tomography data set on the Chorro Creek Dog Leg **Reference Profile**. TUE: Dipole-dipole Strong-gradient array. THUR: Schlumberger Inverse array. - [Lab Handout](https://cpslo-my.sharepoint.com/:b:/g/personal/jjasbins_calpoly_edu/EVl_u3wPSS9EgZ4UDDTkuT0BDVKxvfjOOX4heDtEeDakXw?e=4XX1yW) ### Class (F 10/7) - EarthImager and 2D Data Processing/Analysis - A minimal summary of the field data ==is now available== on the [Data Archive](/nU8kLGvMQPy8T2o__mxxig) page. - Array styles - Geometric factor ## Week 4 ### Lab (T 10/11 or R 10/13) ==In-class lab meeting:== - Resolution: forward and inverse modeling with EarthImager2D ("survey planner") - Making CMD files with SSAdmin and EarthImager(2D/3D) - Process Pseudo3D Chorro Creek data collected in Fall 2021 - Discussion: further Chorro Creek Dog Leg survey designs - Free time: Work on Field Data Report # 2 ### Class (F 10/14) - Survey Planner (in EarthImager2D). - Overview of Saturday's field trip to the Rinconcada Fault at Vintage Rance (Paso Robles) ### Field Day: Sat 11/15 - 2D ERT across the Rinconada Fault at Vintage Ranch. [Field handout](https://cpslo-my.sharepoint.com/:b:/g/personal/jjasbins_calpoly_edu/EYL5XtrTygJFndxwLAYBvosBY5NMqZMo9vsokzsvLCWARQ?e=oWgtoY) ## Week 5 ### Lab (T 10/18 or R 10/20) - Brizziolari Creek Seismic Refraction at Lot H12. Introduction to the seismic refraction mehtod and a data collection ### Class (F 10/21) - Seismic background, seismic refraction surveys, process Brizziolari Creek refraction data, more on electrical resistivity: process Vintage Ranch/Rinconada Fault Data ## Week 6 ### Lab - in clas (T 10/25 or R 10/27) - More on seismic refraction: critical distance, crossover distance, non-ideal subsurfaces, multiple layers, … etc … - Process Brizziolari Creek seismic refraction data (see Data Archive page) - A long refraction line (FWD shot only) at Chorro Creek - but not our reference profile. See "Chorro Creek Long Refraction" in Fall 2020 on the Data Archive Page. - RES1D for 1D forward electrical modeling: [RES1D software](https://cpslo-my.sharepoint.com/:u:/g/personal/jjasbins_calpoly_edu/Ed22klUuEk9GhsDy_OsurvEB1s6cAnPw_nhxPn50qyp3YA?e=EsNomo). Also see the [Software Resources](https://hackmd.io/@seismonerd/software-resources) page. - Principle of equivalence ==(see electrical resistivity reading resources)==: [model 1](https://cpslo-my.sharepoint.com/:v:/g/personal/jjasbins_calpoly_edu/Ef6kzIk3T49Aiyo6dJlJKw0BmmVWIxUHbtJL717Vaydzeg?e=LeEBga) | [model 2](https://cpslo-my.sharepoint.com/:v:/g/personal/jjasbins_calpoly_edu/EcjlH-KzGt9LukFEilyvaBUBnM4ADOedFj8J3o13Vb99bA?e=VBjSeC) - [Model 1 Calculated Apparent Resistivities](https://cpslo-my.sharepoint.com/:i:/g/personal/jjasbins_calpoly_edu/EWn9cd-VaapJlUpzmjAARG4B_0Iqbk7BvZ1nxS7IxghGeQ?e=zZOyP6) | [Model 2 Calculated Apparent Resisitivities](https://cpslo-my.sharepoint.com/:i:/g/personal/jjasbins_calpoly_edu/EdkWuuN9q95NqHrne8ziZaQBzrIL4MIWPmYV-uiqjHJVEA?e=uSMhiK) - [Model 1 lotted apparent resistivity](https://cpslo-my.sharepoint.com/:i:/g/personal/jjasbins_calpoly_edu/EdBviw626-1Ot2BCpU39N-wBp4A7K0SnHv2BUSfm2Jpq7Q?e=WrxPvT) | [Model 2 plotted apparent resistivity](https://cpslo-my.sharepoint.com/:i:/g/personal/jjasbins_calpoly_edu/EXqzpX2sgpdPrjMaSoL5rPMBJD71k2m-snfOrgKx92vRtg?e=4gkc2s) - Other remarks on electrical resistivity ... ### Class (F 10/28) - Midterm 1: Electrical Resistivity surveying ## Week 7 ### Lab (T 11/1 or R 11/3) - Seismic refraction at CCDL Reference Profile ### Class (F 11/4) - Guest speaker(?) - Seismic refraction concepts: critical distance, crossover distance, non-ideal subsurfaces, multiple layers, ... etc ... ## Week 8 ### Lab (T 11/8 or R 11/10) - Lecture material catch up? Equipment ins/outs on Baker Lawn? ### Class (F 11/11) - Leave for Swanton Pacific Ranch field trip ### Swanton Pacific Ranch Field Trip - F 11/11 - Sun 11/13 ## Week 9 ### Lab (T 11/15 or R 11/17) ### Class (F 11/18) - Neil Currie from Cleath-Harris Geologists on opportunities for geophysical exploration in the Cuyama Valley relating to the Sustainable Groundwater Management Act. - Miscellaneous wrap-up. - Work on geophysical portfolio. ## Thanksgiving Break - Monday 11/21 - Friday 11/25 ## Week 10 ### Lab (T 11/29 or R 12/1) - Work on Geophysical Portfolio ### Class (F 12/2) - Midterm 2: Seismic Refraction ## Finals Week: M 12/5 - F 12/9 - Geophysical Portfolio due by Friday 12/9 at 4:30 p.m. in both color hardcopy and PDF format sent by email. --- old schedule sketch: [schedule](https://cpslo-my.sharepoint.com/:x:/g/personal/jjasbins_calpoly_edu/EbLeDl4BdQNHkQx4fllKEVQBo1SdCw63eYsJgDrgoDcOrA?e=FDlAyQ)