Shows mining when any ore body lies at a considerable distance below the surface.
The specific mining method selected depends upon the size, shape and orientation of the ore body and the depth involved.
Set of 2 landform models, each includes an overlay representing ancient mountain forms that can be removed and compared with the base model to show changes millions of years later.
Cross section shows basic mountain types, volcanic fault block, glaciated domes and folded mountains with lesson plan, size 45 x 60 cm.
Showing upper level of an underground surface in which soil or rock is permanently saturated with water.
The water table separates the underground water zone from the capillary fringe or zone of aeration.
For geological specimen extraction.
Set of six in plastic wallet comprising one each flat cold chisel 100 x 6 mm 130 x 9.5 mm 150 x 13 mm 180 x 16 mm 180 x 19 mm and one crosscut cold chisel 150 x 13 mm.
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