The Professional Geologist Mar/Apr 2011
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Volume 48, Number 2 THE PROFESSIONAL GEOLOGIST MAR/APR 2011 A Publication of the American Institute of Professional Geologists www.aipg.org TTPGP G Volume 48, Number 2 THE PROFESSIONAL GEOLOGIST MAR/APR 2011 Inside This Issue FEATURES Rethinking the Water Resources Paradigm Barney Popkin, CPG-06547 3 AIPG 2011 Conferences 5 Peer Reviewed Article Glaciotectonic and Associated Features in the Detroit, 47 Michigan Metropolitan Area Frederick Simms, CPG-10292 6 Thank You for 25 Years 12 48 AIPG White Paper: Importance and Future Roles of State Geological Surveys AIPG Committee Members 14 AASG Thank You 16 NAGT-Who Are We? Janis D. Treworgy, NAGT President 18 Organizing Underway for Arizona Science & Technology Festival Lee Allison, MEM-0328 22 AIPG Georgia Section Conference 24 Comments David G. Rensink, AAPG President 33 AIPG Kentucky Section Conference 36 The Importance of Garnet Geochemistry in Diamond Exploration Carl F. Brink, AS-0057 43 52 ON THE COVER-The beautiful lavender color of the pyrope garnet inclusion within this small gem quality octahedral diamond crystal is an exquisite example of the diagnostic G10 calcium depleted garnet/diamond paragenesis. Garnets belong to the isometric crystal system but in nature occur only as dodecahedral and trapezohedral crystals; in this example the host diamond has clearly imposed an octahedral structure on the included garnet. The octahedron is further modified by cubic faces developed on the octahedral apices. Stress fractures can be seen emanating from the garnet crystal into the host diamond. Also visible are two tiny colorless inclusions, probably olivine. Field of View is approximately 1.8 mm. Photo by Carl Brink, AS-0057. PRESIDENT - Samuel Gowan, CPG DEPARTMENTS Alpha Geoscience, Inc. O: (518) 348-6995 17 Editor’s Corner [email protected] PRESIDENT-ELECT - Barbara H. Murphy, CPG 20 Letters to the Editor Clear Creek Associates O: (480) 659-7131 20 Members in the News [email protected] PAST-PRESIDENT - Michael D. Lawless, CPG Draper Aden Associates 21 In Memory O: (540) 552-0444 [email protected] 25 Test Your Knowledge VICE PRESIDENT - J. Foster Sawyer, CPG SD School of Mines and Technology 26 President’s Message O: (605) 394-2462 [email protected] 27 Student Chapters SECRETARY - Adam W. Heft, CPG Parsons Brinckerhoff O: (517) 886-7400 28 Test Your Knowledge Answers [email protected] TREASURER - Robert W. Gaddis, CPG 29 Executive Director’s Column Newfield Exploration Mid-Continent, Inc. O: (918) 732-1651 [email protected] 30 Professional Ethics and Practices EDITOR - Robert A. Stewart, CPG Arcadis US, Inc. 34 Hydrothink O: (860) 533-9901 [email protected] 35 Student’s Voice ADVISORY BOARD REPRESENTATIVES James F. Howard, CPG C: (270) 925-6636 37 Student Chapter News [email protected] Helen V. Madeksho-Hickman, CPG 38 Professional Services Directory HSA Engineers and Scientists O: (561) 688-9008 40 AIPG Student Application [email protected] John M. Stewart, CPG 41 New Applicants and Members Kleinfelder Southeast O: (336) 668-0093 [email protected] 48 Section News Ronald J. Wallace CPG State of Georgia 53 AIPG Store O: (404) 362-2589 [email protected] NATIONAL HEADQUARTERS 12000 N. Washington St., Suite 285 AIPG Publication Policy, October 4, 2010. AIPG encourages submission of articles and editorials for publication in TPG on Thornton, CO 80241 topics related to the science and profession of geology. Submittals shall be of interest to the members of AIPG, other professional 7:30 AM - 4:30 PM MDT; M-F geologists, and others interested in the earth sciences. 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Duran - [email protected] MEMBERSHIP SERVICES MGR - Vickie L. Hill - [email protected] tance, or rejection of any particular article, editorial, or other written material for publication. OFFICE ASSISTANT - Cristie J. Valero - [email protected] ADMINISTRATIVE ASSISTANT - Dianna de Cordoba - [email protected] American Institute of Professional Geologists (AIPG) is the only national organization that certifies the competence ADMINISTRATIVE ASSISTANT - Ramona J. Scott - [email protected] and ethical conduct of geological scientists in all branches of the science. It adheres to the principles of professional LIFE AND HEALTH INSURANCE responsibility and public service, and is the ombudsman for the geological profession. It was GeoCare Benefits Insurance Plan founded in 1963 to promote the profession of geology and to provide certification for Phone: 800-337-3140 or 602-870-4121 geologists to establish a standard of excellence for the profession. 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Opinions and (800) 831-8000 - Member AWD #T00300 views expressed by the authors are their own and do not necessarily reflect those of the American Institute of Professional Geologists, its staff, or its advertisers. BUDGET RENTAL CAR - Printed in U.S.A. by Modern Litho-Print Company in Jefferson City, Missouri. (800) 455-2848 - Member BCD #Z663100 For AIPG news and activities go to www.aipg.org. Rethinking the Water Resources Paradigm Barney P. Popkin, CPG-06547 Water itself is a marvelous compound. It can take several forms as a liquid, solid, or gas. It can be placid as to inspire a poet or artist – yet it can burn and explode, and it can be deadly. Its chemistry can tell its history, its age and where it has been. It can give life or take it. Without it, there is no way to have life on Earth as we know it. Yet, increasingly, public and media attention has been directed to an emerging water crisis. Creative responses to ever-increasing pressures on water resources are urgently needed. Discussions of water use, not unlike those of hydrocarbon use, have often taken the growing “need” as a given datum and then focused primarily, if not exclusively, on finding increas- ingly costly supplies to meet that given “need.” However, as nations are finally beginning to discover in the energy field, a barrel of petroleum saved is as good as, and perhaps much cheaper than, a barrel of oil extracted from the earth. The same is true of water, and hence effective water resource manage- ment should focus at least as much on the demand side as on the supply side. Agriculturalists have applied this principle for decades at the micro-level (e.g., drip irrigation), but such thinking is as yet less commonly or systematically applied at the country or ecosystem levels. Water can be used in so many ways: to drink, to cool, to heat, to move a turbine, to swim, sail upon, and drown or pan for gold: water in itself is clear gold. To dissolve, to dilute, to clean, to freshen, to wash, to cook. To dispose and take away. In short, water can be both a consumer product and an input into most productive processes. But, its value is not the same in all uses. To take an intuitive example, arguably, water used Aeration of treated mineral waters at Jordan’s Wadi Ma’in, to supply a hospital is being devoted to a higher value use than Zara and Mujib Water Treatment and Conveyance System, if it were washing a car or cleaning a driveway. But intuition which brings 100,000 cubic meters (26.4 million gallons) need not be the guide.