Bimrock Presentations

Medley, E., 2012; “Simple Concepts Useful for Characterizing Complex Bimrocks Underlying Slopes“; in “Landslide and Slope Stability 1-Day Short Course for Geologists and Geotechnical Engineers”by AEG-Inland Empire Chapter and the ASCE-GI/San Bernardino/Riverside Geotechnical Committee; Saturday May 12, 2012 at U. California at Riverside, Extension Center, Riverside, CA.

“Engineering the Geological Chaos of Franciscan and Other Bimrocks”, Session 12: Melanges, Mixed Materials and Chaotic Rocks; American Rock Mechanics Association Conference, San Francisco, California, July 1, 2008.

“Evaluation of Simple Claims in a Complex Melange”, Annual Meeting of Assoc. Environmental and Engineering Geologists, New Orleans, Louisiana, Sept 18, 2008 (with C.B. Snell).

“Melanges – So What? Who Cares? – A Geoengineer’s Perspective”, Paper No. 168-7; Session T168: Mélanges: Processes of Formation and Societal Significance”, 2007 GSA Denver Annual Meeting October 30, 2007.

“Internal Structure of the San Andreas Fault Zone at the A.R. Wilson Quarry, Aromas, California, as Inferred from 3-D Digital Outcrop Modeling”, Paper 168-8; Session T168: Mélanges: Processes of Formation and Societal Significance”, 2007 GSA Denver Annual Meeting October 30, 2007 (with W. Haneberg).

“Dining With Melange: Characterization of Bimrocks in Three Easy Courses,” Dinner Meeting, ASCE San Francisco Section. Jan 19 2006.

“Observations on Chaotic Failure Surface Trajectories in Bimrocks (Block-in-Matrix Rocks),” Annual Meeting of the Ass. Eng. Geologists, Las Vegas, Nevada, Sept. 2005.

“Simple Hints on Characterizing Complex Bimrocks,” Geotechnical Engineering Graduate Student Seminar, University of California at Berkeley, November 10, 2004.

“Characterization of Bimrocks (Rock/Soil Mixtures) With Application to Slope Stability Problems, Presentation in Session B1 “Determination Rock Mass Properties” with Poster, Eurock 2004 and 53rd Geomechanics Colloquium, Salzburg, Austria, October 2004.

“Variations in the Geomechanical Advantages of Tortuous Failure Surfaces in Bimrocks”, Abstract in Program with Abstracts, 2004 Annual Meeting of the Association of Engineering Geologists, Dearborn, MI; and Dinner Presentation to San Francisco Section of Association of Engineering Geologists, Berkeley, CA, September 14, 2004.

“Anticipating and Addressing the Characterization, Design and Construction Problems of Fault Rocks, Melanges and Other Bimrocks”, Professional Short Course composed of 7 Lectures and Field Trip, June 21-June 22, 2004, at Geological Engineering Department, Hacettepe University, Ankara, Turkey (with H. Sönmez, C. Geokceoglu, and R.Ulusay).

“The Least You Should Know About Characterizing Geo-Chaos,” Technical Seminar to Geotechnical Engineering and Economic Geology Staff, Mine Technical Services Group, Lihir Gold Mine, Lihir, Papua New Guinea, March 1 2004; GeoEngineering Seminar, Berkeley Geotechnical Society, University of California at Berkeley, CA; February 11, 2004; Geomechanics Seminar; Department of Earth Sciences, Stanford University, CA, February 4, 2004; Technical Seminar, Treadwell and Rollo Consultants, San Francisco, CA, January 28 2004.

“Increases in Slope Stability of Rock/Soil Mixtures Due to Tortuosity of Failure Surfaces Around Rock Blocks,” Proceedings of the 2003 Annual Meeting of the Geological Society of America, Seattle, WA, November 2, 2003, in Session T15 “Characterizing Complexity in Geomechanics, Engineering Geology, and Hydrogeology,” chaired by E. Medley and W. Haneberg.

“Characterization, Design and Construction Problems Associated with Slopes in Fault Rocks, Melanges, Saprolites and Other Bimrocks”, Graduate Student Seminar, Department of Geological Engineering, University of Nevada at Reno, October 31, 2002.

“The Difficulties of Using 1-D Boring Data to Estimate 3-D Block Size Distributions of Melanges and Similar Block-in-Matrix Rocks (Bimrocks),” Annual Conference of the Association of Engineering Geologists, Reno, Nevada, September 26, 2002.

“Design and Construction of Transportation Facilities in Melange and Other Block-in-Matrix Rocks,” Chairman of Special Session of Transportation Research Board Committee A2L05, Engineering Geology and Committee A2L01, Exploration, and Classification of Earth Materials in 53rd Highway Geology Symposium, San Luis Obispo, California, August 13, 2002 (with J. Wakabayashi, G. Riedmueller, N. Norrish, and D. Reza.)

“Simple Guidelines to the Characterization of the Chaos of Melanges and Other Bimrocks,” TRB Special Session, “Design and Construction of Transportation Facilities in Melange and Other Block-in-Matrix Rocks,” 53rd Highway Geology Symposium, San Luis Obispo, California, August 13, 2002.

“Estimating Block Size Distributions of Melanges and Similar Block-in-Matrix Rocks (Bimrocks),” North American Rock Mechanics Symposium, Toronto, Canada, July 9, 2002.

“Fundamental Concepts to Consider When Characterizing Melanges and Other Bimrocks,” In:  Short Course:  Tunnels Through Fault Rocks and Tectonic Melanges, Association of Engineering Geologists and American Society of Civil Engineers, Oakland, California, June 1, 2002; Short Course:  Geotechnics for Tunnel Design and Construction, for Geotechnical Engineering Group, China Engineering Consultants, Inc, Taipei, Taiwan, June 6, 2002; Engineering Institute of Thailand/International Tunneling Association (Thailand), Bangkok, Thailand, June 7–8, 2002 (with W. Schubert and G. Riedmueller.)

“3-D Characterization of Complex Geologic Mixtures,” GSA Abstracts with Programs, Vol. 33, No. 6, p. A-415, for Session 171—Case Histories in Site Characterization, Geological Society of America Annual Meeting, Boston, MA, November 2001, (with G. Riedmueller and P.J. Shaller.)

“Characterizing the Geological Chaos of Melanges and Other Bimrocks,” Presentation to Shannon and Wilson Consultants, Seattle, WA, September 20, 2001.

“A Simple Lecture on Geological Complexity:  How to Characterize Melange and Other Bimrocks,” Lecture to Colloquium of the Department of Engineering Geology, Technical University of Graz, Austria, May 3, 2001.

“The Least You Should Know About Characterizing Bimrock Chaos,” Lecture to Geology Seminar, Department of Earth Sciences, San Francisco State University, San Francisco, California, November 8, 2000.

“Practical Experience with Complex Geological Mixtures,” Keynote Lecture and Chairman’s Introduction to Session, Geological Engineering Experience with Complex Geological Mixtures, Annual Conference of the Association of Eng. Geologists, San Jose, California, September 23, 2000.

“Dinner with Melange and Other Bimrocks:  Hints on How to Characterize Them,” Dinner Meeting of the Association of Engineering Geologists, Sacramento Section, Sacramento, California, June 27, 2000.

“Un-CHILE for Lunch:  How to Characterize Heterogeneity,” Geotechnical Engineering Seminar, Berkeley Geotechnical Society, University of California, Berkeley, CA, February 2000.

“Lunch with Melange Bimrocks:  The Minimum You Should Know About Characterizing Chaos,” Geology Seminar, Department of Earth Sciences, San Jose State University, San Jose, CA, February 2000.

“Relating the Complexity of Geological Mixtures to the Scales of Practical Interest,” Presentation, 41st Annual Meeting of Association of Engineering Geologists, Salt Lake City, UT, September 1999.

“A Simple Lecture on Lenses, Blocks, Inclusions and Complex Geological Mixtures,” Presentation, San Francisco Section of Association of Engineering Geologists, San Francisco, CA, September 1999.

“A Brief Introduction to the Fundamentals of the Engineering Characterization of Bimrocks (Block-in-Matrix Rocks),” Geotechnical/Structures Research Seminar, Cambridge University Engineering Department, Cambridge, England, November 6, 1998.

“Fundamentals of the Engineering Characterization of Bimrocks (Block-in-Matrix Rocks),” Short Course Lectures at the Technical University of Graz, Austria, October 29, 1998.

“Slope Stability and Dam Foundation Problems in the San Franciscan Melange,” Geotechnical Lecture, Technical University of Graz, Austria, October 29, 1998.

“Estimating Block Size Distributions of Bimrocks from Borings,” Presentation at the 41st Annual Meeting of the Association of Engineering Geologists, Seattle, WA, October 3, 1998.

“Confronting Geological Complexity: Working with Melange Bimrocks,” Invited presentation to the Eighth Annual Invitational Congress of the International Association for Engineering Geology and the Environment, “Theme 1:  Site Investigations,” Vancouver, Canada, September 21, 1998.

“Bimrocks: The Fundamentals,” video-taped presentations to Annual Meeting of the Engineering Geology Committees A2 and L105, Transportation Research Board, Washington DC, January 12, 1998.

“Engineering Considerations in the Characterization of Melanges and Similar Block-in-Matrix Rocks (Bimrocks),” Department of Earth Sciences, Stanford University, CA, March 6, 1996.

“The Uncertainty in Estimates of Bimrock Block Volumetric Proportions,” Annual Meeting of the Association of Engineering Geologists, Brunswick, NJ, September 26, 1996.

“Estimating Block Sizes in Franciscan Melanges,” 38th Annual Meeting of the Association of Engineering Geologists, Sacramento, CA, October 1995.

“Geotechnical Engineering Significance of the Scale Independence of Melanges,” Soil Mechanics Colloquium, University of Cambridge, United Kingdom, May 1995.

“Some Geotechnical Implications Arising from the Apparent Scale Independence of California Melanges,” Research Seminar, Imperial College, London, December 1994.

“The Engineering Characterization and Properties of Melanges and Other Block-in-Matrix Rocks (Bimrocks),” Association of Engineering Geologists, San Francisco Section, CA, June 1994 (with E.S. Lindquist).

“The Engineering Characterization of Melanges and Similar Block-in-Matrix Rocks (Bimrocks),” Geotechnical Engineering Group Research Seminar, University of California, Berkeley, CA, March 1994.

“The Engineering Characterization of Some Franciscan and Physical Model Melanges,” 36th Annual Meeting of the Association of Engineering Geologists, San Antonio, TX, October 1993 (with E.S. Lindquist and R.E. Goodman).