Since since expedition of an United States discovered mysterious Shi Qiu in the Costarica 1930, people just realises the seriousness of this one problem, they see 200 many dispersed the cobble ball in tropical forest, some diameters amount to 9 meters, ten tons are weighed, its surface is unusually pliable, seem is artificial burnish. Come a few years, people stalks or branch in Brazil early or late A Meika of Lu Bai, Mexico discovers many and similar Shi Qiu. However, the Shi Qiu of above area is mixed with respect to its dimensions certain feature, all cannot as mysterious as hill of Xinjiang north tower Shi Qiu places on a par.
1979, the boreal tower that border land covers in be being gone to before Xinjiang hydrogeology expert launchs groundwater resource general investigation in hill, in the eastpart part of grass of tower leaving north when the exercise in the valley of a few kilometers, discover amazedly suddenly, a lot of dotted in the hillside around and fault ground is dispersive rounded stone balls, these Shi Qiu's small mixing the ping-pong is general big, big diameter has 9 meters, very grand. How do these stone balls arise, how be to run to what go on high hillside?
After all " who " be these true maker of Shi Qiu?
About the mystery that Shi Qiu forms, come for years, viewpoint of scholar of China and foreign countries is numerous, after a few rocksy study, think, shi Qiu is the uncanny workmanship of nature, the child of geological action is in very long long goes, the sandstone that produces stone ball part and argillaceous cliff just are formed and begin sclerosis, crustal motion and efflorescent action make these terrane produced many cranny, rainwater carry secretly is worn a few chemical material filter downward, still have a few drossy also wear in the carry secretly in rainwater, these are drossy with chemical material gradually cementation is together, formed one cake nucleome, n/med tuberculosis system rolls greater more, written guarantee more more, as years elapse, inattentive layer wraps around gradually outside n/med tuberculosis body decency flakes, does firmly collect the comprises by arenaceous bead Shi Qiu that be together to be formed from this?
Another kind of circumstance is when volcano erupts, magma of many high temperature is suitable hillside shift, cooling, in crystallization process, it is a center with n/med tuberculosis to all around expand equably and form cliff of the deposit on Shi Qiu world and igneous rock to distributing very wide, but what can produce Shi Qiu is not much however, accordingly, rocksy people still do not have final conclusion to Shi Qiu's cause of formation.
Some scholars think, ball of one part stone comparatives to show factitious result on the world, they may be the ancients believe in primitive religion and carven star god or oblation.

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