To establish that there are three main rock groups
To show that all rocks fall into one of the three main rock groups
The student should learn about:
(a) The origins and essential characteristics of Igneous rocks;
(b) The origins and essential characteristics of Metamorphic rocks;
(c) The origins and essential characteristics of Sedimentary rocks.
The student should have knowledge and understanding of:
(a) The essential elements of basic rock classification;
(b) The three possible origins of rocks;
(c) Some elementary characteristics belonging to rocks from each group.
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