Mr. R.Y. Budihal. PUC I General Geology 1. Introduction to geology. 1.2 Definition of Geology. 1.3 Relation to other branches of sciences. 1.4 Branches of Geology. 1.5 Importance of Geology. 1.1 Definition of Geology: The word Geology has been derived from the Greek words Geo- means earth and logo’s means discourse. This word in its proper sense was first used in 1778 by G. A. De Luc (1727-1817). Geology is there fore the science of the earth. 1.2 Relation to other branches of sciences. 1. Geochemistry. 2. Geophysics 3. Geo-hydrology. 4. Mining Geology. 5. Engineering Geology. 6. Rock mechanics 7. Geo-mechanics 8. Meteorology 9. Oceanography. 1. Geochemistry: It is branch of science that deals with the chemical constituents of the earth as a whole and also in parts. It studies specially the distribution and relative abundance of different elements and compounds on and above the earth. 2. Geophysics:
important principles, process and methods of physics are applied to solve many geological problems. The important subjects of this includes geo-magnetism, geo-electricity, geo-thermometry, geocosmogany and seismology. 3. Geo-hydrology: