Relief map of North Atlantic Ocean showing typical portion of ocean floor.
It is easy to identify all the major ocean features, complete with lesson plan, size 45 x 60 cm.
Open pit mining often results in a large hole or pit being formed in the process of extracting a mineral.
Deposits mined by open pit techniques are generally divided into horizontal layers called benches.
The thickness of the benches depends on the type of deposit & the mineral being mined.
Mining is generally conducted on a number of levels at any one time.
For investigation of geographical and geological features.
Eight landform models join to form a continuous model showing the mountains, lakes, rivers, deserts, glaciers, coastlines, cayons and cultural point, with lesson plan, size 90 x 90 cm.
For cutting solid cylindrical soil sample.
Steel tube with cutting edges at lower end.
An engraved index line ensures consistent volume of sample with tommy bar, size 500 x 50 mm
Shows coastal and mountain terrain in natural colour relief & cross section diagram of the substance of a typical volcano.
Complete with lesson plan, size 60 x 45 cm
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