Show diamonds in a an extinct volcano an interesting discovery from a geological point of view was recently made enado by an explorer in the mountains of wit ales hoek natal on tho the summit of bf an extinct volcano on the edge of bf a lake that occupies the crater soundings re pealed a layer of sand inclosing small diamonds it would be interesting to know whether these diamonds were there accidentally that is as aa the result of washing operations carr carried fed on by the natives or whether this discovery corresponds to an actual mine of diamonds for the hills billi of hoek are not situated in regions known to be diamond hearing bearing on the last hypothesis the prez presence ence of precious stones in the crater of a volcano would doubtless throw some light on the abo formation of ibea ba nawa in nature genie civil |