| Absorption ||Subject: Resources & Reserves|
1. Taking up, incorporation, or assimilation, as of liquids in solids or of gases in liquids.
2. Reduction of the intensity of light in transmission through a substance or in reflection from a surface. in crystals, absorption may vary with the vibration direction of the transmitted light.
3. The process by which energy, such as that of electromagnetic or siesmic waves, is converted into other forms of energy, e.g., heat.
4. The entrance of surface water into the lithosphere.
Reference: R.L. Bates & J.A.Jackson, DICTIONARY OF GEOLOGICAL TERMS, Third Edition, American Geological Institute, 1983.
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