Charpter II. Soar System and Earth .
........................................................................ 65
2.1-§. Componenets of Soar system.
............................................................................... 65
2.2-§ Genera data of the Earth.
.......................................................................................... 85
Charpter
III. Meta containing mineras.
.................................................................... 98
3.1-§. Minerals, ways of formation and pecuarities
..................................................... 98
3.1-§. Rare, non-ferrous, precious and radioactive metas
....................................... 104
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