Given below are certain very important geology facts:

• Physical geology is known to include mineralogy which is basically the study of structure and composition of minerals, petrology that includes the study of structure and origin of rocks, geomorphology which refers to study of origin and modification of the landforms and dynamic process along with various other such branches.
• Historical geology is known to be associated with historical developments in terms of the earth derived from the rock studied. It includes paleontology, stratigraphy, paleogeography and geological mapping.
• Historical geology divides the overall time into four sections since the formation of rocks. These include the sections such as Precambrian, Cenozoic, Paleozoic, and Mesozoic eras.
• Modern geology is known to begin during the 18th century. It started when the studies developed by various mineralogists proved highly fruitful as compared to their speculations.
• In the twentieth century geology has undergone tremendous improvement with a rapid pace. Radioactivity and the associated studies were developed during this time and they helped improve the overall scenario.
• 1957-58 was recognized as the International Geophysical Year and it was when scientists from various countries joined their hands towards the investigation of various problems associated with all the branches of geology.

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