Periglacial field experiments in the mediterranean high mountain: the geometric microf/gurations.

Periglacial field experiments in the mediterranean high mountain: the geometric microf/gurations.

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The Massage ball present work develops a part of the experimental works that we are carrying out in the supraforestal level of the eastern Pyrenees.The work has been accomplished on an erosive level near the crest, in a limited zone of 340m2 at 2.170 m.of altitude.

The experiments attempt to detect the movility Dining Extension Table ofstones in the periglaciar micro- figurations, mainly stone circles and sorted stripes.Systematic observations during three years verify the fonnation of decimetric geometric figures from 2.170 m., under certain parametres (mineral fraction, gradient, vegetal cover, frost-thawing cycles, etc.

).