crushed stone
P&Q University Lesson 3: Geology
In lesson 3 of the Pit & Quarry University Handbook, readers learn about geology and different land ranges, as well as the aggregate produced from them. Keep Reading
P&Q University Lesson 1: Industry Overview
The first lesson in Pit & Quarry University is an industry overview, which details the progress of every aspect of the industry. Keep Reading
Gibraltar Rock, Sahara Sand team on JFK Airport reconstruction
The divisions of the Silvi Group Cos. are nearing the finish line on the delivery of 185,000 tons of sand and stone for runway No. 3 at the airport. Keep Reading
USGS: Crushed stone consumption up 13 percent in first quarter
An estimated 281 million metric tons of crushed stone were produced and shipped for consumption in the U.S. in the first quarter of 2019, a 13 percent increase from last year. Keep Reading
Level switch made for abrasive materials
Dynatrol's DJ level switch is designed for bins or tanks in problem applications such as dust collection, sand, gravel, rock, crushed stone, ore, talc mine, crushed dolomite and recycled crushed concrete. Keep Reading
USGS: Aggregate consumption up in fourth quarter 2018
An estimated 599 million metric tons of total construction aggregate was produced and shipped in the fourth quarter of 2018. Keep Reading
USGS: Aggregate production increases in third quarter 2018
An estimated 694 Mt of total construction aggregate were produced and shipped for consumption in the United States in the third quarter of 2018, the United States Geological Survey reports. Keep Reading
Sandvik, Dyno Nobel host Quarry Academy
Quarry Academy, the annual seminar co-hosted by Sandvik Mining & Rock Technology and Dyno Nobel, wrapped up its 14th installment in San Antonio. Keep Reading
Mobile classification system separates aggregate without water
A new, self-contained particle separation system from Van Tongeren America fits on a standard truck base. Keep Reading
