Groff Engineering Mining Blog
Quantifying Geologic Uncertainty
ASTM International, formerly known as the American Society for Testing and Materials, released a new standard this week that affects the assessment of in-place coal resources. ASTM D8215-19a is the Standard Practice for Statistical Modeling of Uncertainty in...
2019 Kentucky PEM Seminar
The 2019 Kentucky Professional Engineers in Mining Seminar (PEM) is scheduled for September 6th at the Clarion Hotel Conference Center North in Lexington, KY. Those familiar with the seminar will recall that it is usually held at the Marriott Griffin Gate,...
UAVs Are Changing The Mining Industry
Aerial drone surveys are drastically changing the mining industry as UAV companies continue to innovate and develop more efficient methods for data collection. Mining companies are turning to drones for several reasons, such as improved safety, increased...
Do You Need An IRS Mineral Appraisal?
Mineral appraisals are a unique subset of valuation services that are needed for transacting mineral rights. Mineral owners require appraisals for a variety of reasons. Commonly, the requirement is for a transfer of ownership that may be reviewed by the...
S-K 1300
If you did not make it to the SME Annual Conference & Expo this year and missed the panel discussion on the new SEC Mining Disclosure Rule, there are other presentations coming up. Previously, this was discussed in our blog articles Final Mining...
U.S. SEC Final Mining Disclosure Rule Written into Law
Regulation S-K 1300 Many have been awaiting the Federal Register publication of the U.S. Securities and Exchange Commission (SEC) final mining disclosure rule, commonly known as Regulation S-K 1300. Appearance in the Federal Register...
Final Mining Disclosure Rule Released by the U.S. Securities and Exchange Commission
Yesterday the U.S. Securities and Exchange Commission (SEC) released its long-awaited final rule on Modernization of Property Disclosures for Mining Registrants. The fact sheet and link to the full rule may be found here. The original proposed rule was released in...
Business is Thriving in A Small Kentucky Town
Over the last few decades, manufacturing has been shifting from densely populated regions of the country to more rural areas. A recent surge in manufacturing investments have benefited some smaller cities and towns, where land is inexpensive, energy often...
Reserve Estimates for Dredge Operations
Reserve Estimates for Dredge Pits We recently completed a mine plan for a sand deposit intended for mining by suction-cutter dredge. Laying out a mine plan for a dredge operation is a straight forward task, but estimating reserves is a bit more complex. In fact,...
Solution Salt Mining Reserves Estimates
I recently spoke at the 2018 Solution Mining Research Institute (SMRI) Spring Conference, held in Salt Lake City, UT. The purpose was to present a paper that Dr. Joel Warneke, of Cavern Solutions, and I have been working together on for some time. The paper discussed...