rusukalle, looduslik varikalle
konsolideerumata settematerjali varisemisel ja kuhjumisel järskude nõlvade jalamile kujunev laugem (35–45°) nõlva osa, an apron of fallen rock fragments/debris at the base of a cliff with surface inclination 35–45°; forms by merging of smaller talus cones; sloping depends on grain size of the material and naturally can't exceed 45 deg