Tags: phosphate rock
M is for Millstone Among the many European millstones, the geology of the French burrstone was prized for the effect of its quartz grain. ‘mil-st¯on A portmanteau created by blending the words ‘mill’ and ‘stone.’ “I can never cease to hanker for ...
SUBSCRIBE & FOLLOW
- Miner suspended upside down pulled to safety by his pant legs751 Views
- Kelly Bailey named 2015 AggMan of the Year364 Views
- MSHA and NSSGA release new infographic about material handling injuries315 Views
- Obama signs two-week transportation patch into law224 Views
- Caterpillar to close Kentucky plant, cut 50 jobs212 Views