September 3, 2014 – MSHA is reporting that on August 25, 2014, a 54-year-old truck driver with one year of experience was killed at a limestone mine. The victim went to a storage building to get some wooden planks. He climbed a stack of loaded pallets to get to the planks that were near the rafters and fell approximately 8 ft.…
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Natural Resource Partners Acquires VantaCore
Natural Resource Partners (NRP) has signed a definitive agreement to acquire VantaCore Partners LP, a privately held limited partnership specializing in the construction materials industry, for $205 million.
Read MoreStay Out! Stay Alive!
By Mark S. Kuhar If you do a Google search on “Quarry” this time of year, you will invariably come up with a great many articles about people who have died swimming in an active or abandoned quarry. Consequently, the U.S. Department of Labor’s Mine Safety and Health Administration (MSHA) created “Stay Out! Stay Alive!” – a public safety campaign to educate…
Read MoreGuarding Violations Not ‘Flagrant’ Violations Under Mine Act
By Ellen Smith A limestone operator’s guarding violations did not constitute a “reckless disregard” or flagrant violations of mine safety standards, and MSHA’s total proposed fines of $547,100 for six violations of §56.14107(a), and one violation of §56.14112(b), were reduced to a total of $44,000 by Review Commission Judge David Simonton.
Read MoreGreat Lakes Aggregates Seeks Wear Life, Increased Throughput
A screen deck at Great Lakes Aggregates screening limestone. Great Lakes Aggregates Inc. produces approximately 1 million tpy of limestone at its Sylvania Minerals Quarry located in South Rockwood, Mich. As the quarry increased the number of saleable products that it produced, it encountered screening challenges along the way such as limited open area, screen breakage and severe blinding. “With…
Read MoreIrving Materials Sponsors GeoFest
Irving Materials Inc. (IMI) sponsored GeoFest at the Indiana State Museum in Indianapolis. The three-day event is dedicated to the discovery of rocks and minerals. It draws in thousands of school-aged children, teachers and parents. This is fourth year that IMI has been the presenting sponsor of GeoFest. Beyond sponsorship, IMI employees and their families helped create a learning center…
Read MoreDry Quarry, Big Savings
Plant manager Randy Jones surveys the plant. LEHIGH HANSON USES DEWATERING TECHNOLOGY TO REDUCE ENERGY CONSUMPTION AT AN INDIANA QUARRY. By Mark S. Kuhar Imagine 40 percent of your quarry’s total electricity consumption going to keep the pit dry because of the need to pump out ground water. This was the situation at Lehigh Hanson’s Harding Street quarry in 2012.…
Read MorePermitting April 2014
Kentucky Permit Disputed According to the Bowling Green, Ky., Daily News, the battle over the proposed site for a rock quarry continues. Franklin, Ky., residents David and Ronda Carver, who have helped lead the Neighbors Against the Quarry group opposing the rock and limestone quarry site proposed for 169 acres of land on Ditmore Ford Road by Charles Deweese Construction,…
Read MoreStone Shipments Increase on Great Lakes
Shipments of limestone on the Great Lakes totaled 27.6 million tons in 2013, an increase of 1.7 percent compared to 2012, according to the Lake Carrier’s Association (LCA). The trade was, however, still 4 percent below its long-term average.
Read MoreLimestone Cited as Benefit to Green Concrete
Adding limestone powder to “green” concrete mixtures – those containing substantial amounts of fly ash, a byproduct of coal-burning power plants – can significantly improve performance, according to researchers from the national Institute for Standards and technology (NIST) and the Federal Highway Administration (FHWA).
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