CONTENTS 1
1．Classification of Matter 1
2．Intermolecular Forces 17
3．The Earth's Structure 35
4．Chemical Composition of the Earth's Crust 47
5．Combined Ways of the Elements in Minerals 57
6．General Information on Geolgical Survey 69
7．Mechanical Properties of Rock 80
8．Introduction to Geophysics 95
9．The Place of Geophysics in oil and Mineral Explo ration 107
10．General Information on Drilling of Holes 119
11．Geologic Mapping in Underground Mines 134
12．Stages in the Life of a Mine 150
13．Solution Mining and Related Methods 164
14．Indroduction of Mineral Processing 179
15．Flotation 191
16．Surfactant Science and Technology 203
17．Computer Memory and ALU 217
18．CLanguage 232