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AIPG
New location: AIPG, 1333 W. 120th Avenue, Suite 211, Westminster, Colorado 80234-2710.
AIPG
AIPG Student Scholarship applications for undergraduate and graduate are due Feb. 15.
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AIPG
- Membership Dues were due Jan. 1.
- Members that have not paid as of Feb. 15 will be suspended.
- An additional $20 (late fee) is required for payments received after Feb. 15.
- If your employer pays your dues and would like to receive an invoice that includes all the employees that are AIPG Members on one invoice, have them contact the office at 303-412-6205.
- Annual membership dues are due and payable Jan. 1 in accordance with the Bylaws. Pay your dues online with credit card, PayPal or eCheck. Click on LOGIN to pay dues, make a donation and purchase insignia items. Your login is your email and the system has you setup your password if you haven't already. You must login to pay dues, search the directory or make changes to your record.
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This technique provides the contaminant distribution on the 6 in. to 3 ft scale, as desired. It's obtained by diffusion of the dissolved phase into an activated carbon felt strip pressed against the wall by a flexible liner in a sealed borehole.
For details: www.flut.com or ask: info@flut.com
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AIPG
The Geoscience Online Learning Initiative (GOLI) is an effort by the American Geosciences Institute, started in cooperation with the American Institute of Professional Geologists, to bring to the profession a platform for asynchronous, life-long learning and continuing education opportunities. These online courses are available to learners who desire the flexibility to complete their continuing education on their own time. Click here for course details and registration links.
Live One Hour Ethics Webinars on:
AIPG
Plan on attending AIPG's 2018 Annual Meeting in Colorado Springs. Our field trips will explore central Colorado including the Cripple Creek & Victor gold mine, the Portland cement plant and adjacent Niobrara Fm quarry, the upper Arkansas geothermal systems, the latest in SW South Park geology and the Wall Mountain Tuff, among others. The technical sessions will cover the full spectrum of geosciences; start thinking about your presentation. We're planning short courses on being an expert witness, the use of Rockware's software and preparing an AIPG/AGI GOLI course. We'll have a Student Career Day on Saturday, Sept. 8. Young professionals start working on a presentation on a project you're working on that will induce your employer to send you to the meeting; remember such presentations are also good marketing for your firm. And we're arranging a trip on the Pikes Peak Cog Railway to the 14,115-foot summit of America's mountain.
Submit an abstract for presentation at the conference. Call for abstracts available now!
AIPG
AIPG is currently accepting abstracts for oral presentations and poster presentations for the 55th American Institute of Professional Geologists National Conference that will be held in Colorado Springs, Colorado, from Sept. 8-11. General topics include, but are not limited to, professional practice, mining, petroleum, water and environmental remediation. The national conference provides opportunities to present and learn from experts in various geology and geoscience fields, with networking opportunities throughout the conference.
To have your abstract considered for a presentation or poster, please go submit an abstract online by May 1. Technical presentations will be scheduled on Monday, Sept. 10, and Tuesday, Sept. 11. Authors who wish to publish a paper in AIPG's The Professional Geologist (TPG) can contact AIPG for additional information at aipg@aipg.org.
| | FROM THE AIPG ONLINE STORE |
AIPG
A 6.5 oz. fabric, 100 percent cotton, garment washed, generous cut, double needle stitched, tuck-in tail, button-down collar, horn tone buttons, patch pocket and adjustable cuffs with an embroidered AIPG logo is now available. Available in sizes small-3XL.
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AIPG
The "down under" styling adds a sense of adventure to any outing. Heavyweight 100 percent cotton canvas; drawstring with cord locks and fashion brass eyelets. Two-side snaps give the option of wearing the brim up or down. Available colors: canvas/canvas, canvas/navy (navy inside).
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AIPG
Show off your AIPG membership with this sturdy tote that is perfect for day trips, errands and more. White durable canvas with double stitched black handles and bottom has the AIPG logo printed on one side.
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Journal of Rock Mechanics and Geotechnical Engineering
Pulse-decay method has been widely used to estimate the fluid transport properties of low-permeability geomaterials. In this context, radial flow transient pulse test is conducted to measure the water permeability of Cobourg limestone hollow cylinder. The proposed method applies hydraulic pulses to the sealed central cavity and then the cavity pressure dissipates as the fluid migrates into the saturated rock matrix.
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Minerals
Geochemical characterization including mineralogical measurements and kinetic testing was completed on samples from the Montviel carbonatite deposit, located in Quebec (Canada). Three main lithological units representing both waste and ore grades were sampled from drill core. A rare Earth element (REE) concentrate was produced through a combination of gravity and magnetic separation. All samples were characterized using different mineralogical techniques in order to quantify modal mineralogy, liberation, REE deportment and composition of REE-bearing phases.
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Geosciences
Volcanic halogen emissions to the troposphere undergo a rapid plume chemistry that destroys ozone. Quantifying the impact of volcanic halogens on tropospheric ozone is challenging, only a few observations exist. This study presents measurements of ozone in volcanic plumes from Kīlauea, Hawaii, a low halogen emitter.
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Geology via National Geography
What killed the dinosaurs? Few questions in science have been more mysterious — and more contentious. Today, most textbooks and teachers tell us that nonavian dinosaurs, along with three-fourths of all species on Earth, disappeared when a massive asteroid hit the planet near the Yucatán Peninsula some 66 million years ago.
But a new study published in the journal Geology shows that an episode of intense volcanism in present-day India wiped out several species before that impact occurred.
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Geoscience Frontiers
In the design of geotechnical infrastructure, engineers have to deal with naturally occurring soils and rocks which are subjected to spatial variability as well as other uncertainties such as errors in measurement and in modeling methods. Reliability assessment which provides a systematic approach for quantifying the risk of failure has been shown to be a promising tool for solving these challenging geotechnical engineering problems.
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Journal of Rock Mechanics and Geotechnical Engineering
Change in mechanical properties of rocks under static loading has been widely studied and documented. However, the response of rocks to cyclic loads is still a much-debated topic. Fatigue is the phenomenon when rocks under cyclic loading fail at much lower strength as compared to those subjected to the monotonic loading conditions. A few selected cored granodiorite and sandstone specimens have been subjected to uniaxial cyclic compression tests to obtain the unconfined fatigue strength and life. This study seeks to examine the effects of cyclic loading conditions, loading amplitude and applied stress level on the fatigue life of sandstone, as a soft rock, and granodiorite, as a hard rock, under uniaxial compression test.
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Geology via EurekAlert
The biggest landslides on Earth aren't on land, but on the seafloor. These mega-slides can move thousands of cubic kilometers of material, and sometimes trigger tsunamis. Yet, remarkably, they occur on nearly flat slopes of less than three degrees.
Morelia Urlaub, a marine geoscientist at the Geomar Helmholtz Center for Ocean Research in Kiel, Germany, voices the obvious question: "How can you fail on a slope that is so flat?" Now, Urlaub and colleagues may have discovered the answer.
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Catalysts
In this study, we investigated the ability of a magnetic wood biochar (WB)-based composite catalyst (Fe3O4-WB) to catalyze sodium persulfate (PS) for the remediation of estuary sediment contaminated with polycyclic aromatic hydrocarbons (PAHs). The effects of various critical parameters, including the catalyst dose and initial pH, were investigated. The degradation of the PAHs was found to be related to the number of rings in their structure.
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