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.AIPG NATIONAL NEWS
Core Splitting: The Assumptions Underlying a Best Practice
AIPG
In this video, David Abbott brings his extensive experience in mining geology to bear on best practices in core splitting. David illustrates the idea of sample homogeneity and includes a discussion of statistical analyses. The video is a great introduction to how core-splitting is used to create models and is used in creating mineral reserve estimates.
https://youtu.be/0rkOsDLntpw
Subscribe and click the bell to get notified of any new videos that are uploaded to the AIPG YouTube Channel.
AIPG Members receive 7 percent off all orders at Forestry Suppliers. Order via the Forestry Suppliers website or call 800.752.8461.
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.AIPG SECTION NEWS
AIPG Michigan Section
AIPG
March 25th — REMEDIATION & RISK MANAGEMENT SERIES — CONTRACTING FOR REMEDIATION PROJECTS: THE MICHIGAN EXPERIENCE
Please join us for a webinar exploring State of Michigan contracts utilized for environmental remediation projects. This one-hour webinar will explore the history of State contracts for professional services; the indefinite-scope, indefinite-delivery (ISID) contracts; the ISID solicitation and selection processes; and case studies. Participants can expect to learn a brief history of contracting for professionals services at the State of Michigan, an overview of contracts currently used for environmental investigation, study, design, construction oversight, underground storage tank removal, and laboratory professional services, and case studies focusing on contracting. Additional information will include a brief overview of the SIGMA Vendor Self Service (VSS) website. This webinar qualifies for 1 CEH/PDH.
For more information and to register: https://register.gotowebinar.com/register/2657307811198807055
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Earn your MSc in Mineral Exploration – Geology in 1-2 years at Laurentian University’s Harquail School of Earth Sciences to upgrade your credentials and your career.
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AIPG Michigan Section
AIPG
April 29th - 2020 VOLUNTARY VOLATILIZATION TO INDOOR AIR PATHWAY SCREENING LEVELS
In September 2020, EGLE replaced the rescinded Appendix D.1 of the 2013 Guidance Document for the Vapor Intrusion Pathway – Volatilization to Indoor Air Pathway (VIAP) Screening Levels with Residential and Nonresidential VIAP Screening Level Tables. The VIAP screening levels are provided as a voluntary tool that may be used to determine that site conditions do not present a risk and allow a quick regulatory closure or that site conditions warrant a more site-specific evaluation, at common residential and nonresidential sites. This webinar will cover the purpose behind the VIAP screening levels, the basic exposure assumptions used in their development, what documentation is needed for their voluntary use, and their use.
Each webinar qualifies for 1 CEH/PDH.
Michigan.gov/EGLEevents
REGISTRATION QUESTIONS:
Alana Berthold: BertholdA@michigan.gov
Joel Roseberry: RoseberryJ@michigan.gov
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.OTHER INDUSTRY NEWS
COVID-19 work environment adaptations by non-academic geoscientists
AIPG
This data brief takes a look at how non-academic geoscientists have adapted their work environments during the COVID-19 pandemic. We examine the change in primary work locations, employer assistance for those working from home, supply shortages for items needed for work and research activities, use and proficiency with virtual platforms and collaboration, and challenges non-academic geoscientists are facing with respect to their current work environment.
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.MARK YOUR CALENDAR
.INDUSTRY NEWS
Scientists stunned to discover fossil plants beneath mile-deep Greenland ice
University at Buffalo
In the 1960s, U.S. Army scientists drilled down through nearly a mile of ice in northwestern Greenland — and pulled up a tube of dirt from the bottom.
Chester "Chet" Langway, who joined the UB geology faculty in the 1970s, was one of the leads of the drilling expedition, at a site known as Camp Century. The samples his team collected there, including the frozen sediment, followed him to Western New York. The materials resided here for a number of years before making their way to Copenhagen, Denmark. Then, the dirt was largely forgotten.
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Meandering rivers create 'counter-point bars' no matter underlying geology
ScienceDaily
It's not uncommon for crescent-shaped swaths of sand to dot the shorelines of meandering rivers. These swaths usually appear along the inner side of a river bend, where the bank wraps around the sandy patch, forming deposits known as a "point bars."
When they appear along an outer bank, which curves the opposite way, they form "counter-point" bars, which are usually interpreted by geoscientists as an anomaly: a sign that something — such as a patch of erosion-resistant rocks — is interfering with the river's usual manner of sediment deposition.
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Lightning strikes played role in creating prebiotic phosphorus on early earth, study suggests
SciNews
Phosphorus is one of the key elements for life, involved in biomolecules such as DNA, RNA, phospholipids, and adenosine triphosphate. Phosphide minerals — such as the mineral schreibersite — delivered to early Earth in meteorites have been advocated as a main source of prebiotic phosphorus. Planetary scientists believed minimal amounts of these minerals were also brought to our planet through billions of lightning strikes.
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Arctic methane release due to melting ice is likely to happen again
ScienceDaily
Beneath the cold, dark depths of the Arctic ocean sit vast reserves of methane. These stores rest in a delicate balance, stable as a solid called methane hydrates, at very specific pressures and temperatures. If that balance gets tipped, the methane can get released into the water above and eventually make its way to the atmosphere.
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