The less valuable minerals are called veinstuffs, and the more valuable are termed vein ores. The more common veinstuffs are calcite, quartz, heavy spar, and fluorspar.

The Duke of Punch is too true an Aristocrat, pur sang, to be afraid of avowing his liking for anything […]

In other words, we have marginalized 'counterspaces', resisting dominant (firstspace or secondspace) orders - thirdspace, the space of radical openness, of creativity, of activism, of social struggle (Soja, 1996).

In another topic on prehistoric man, pupils used 'active learning' methods to construct a 'cave set'; re-enacted cave-painting by homemade candlelight; …