Hillhead 2012
19 - 21 June 2012
International live demonstration show for the quarrying, recycling and heavy construction industries at Hillhead Quarry, Buxton, UK.
olivine
Magnesium iron silicate, (MgFe)2SiO4, occurring in basic igneous rocks, eg olivine-basalts; typically dark olive-green to brown in colour.
The monthly journal for the quarry products industry.