Potash is a soft rock, which is extracted from sedimentary sea beds formed by evaporation of ancient seas, which is mined via conventional shaft mining like gold and silver.

FORBES: How Arizona Is Helping America Reduce Dependence On Foreign Natural Resources

There will also be an outing for London club night Guilty Pleasures, which has come to public attention by championing soft rock classics and other untrendy songs from the 1970s and 1980s.

BBC: NEWS | Entertainment | Albarn group to headline Latitude

It will be challenging for the company as it transitions from soft-rock mining to hard-rock mining.

FORBES: High Costs In 2013 Will Continue To Be A Hurdle For IAMGOLD

The result, in a mountain range characterised by soft, crumbling rock which desperately needs strong roots to hold it together, has been an increasing number of landslides, which block roads, railways and even rivers.

ECONOMIST: From the archive

But management soon realized that people were far more interested in recharging their batteries--focusing on their health, sure, but also on soft adventure activities (rock climbing, hiking, mountain biking) in the vicinity as well as spa services.

FORBES: Magazine Article

"The rock is behaving well and it looks pretty soft, so that's encouraging, " he told BBC News.

BBC: Curiosity Mars rover hammers into rock

As Devils forwards Jacob Josefson and David Clarkson screened Rangers goaltender Henrik Lundqvist, Salvador flicked a soft wrist shot that skipped along the ice like a flat rock across a pond and through Lundqvist's legs.

WSJ: Devils Level Rangers to Even It Up

At dawn, the Cappadocian valleys glow shades of soft apricot, buttery yellow and rose petal pink as their rippling rock folds arc out to the horizon.

BBC: Choose your own adventure in Turkey