What are the two broad categories of Geology?

• A. Physical Geology and Historical Geology
• B. Meteorological Geology and Oceanic Geology
• C. Philosophical Geology and Practical Geology
• D. Theoretical Geology and Applied Geology

Answer: (A)

Geology is commonly divided into physical geology and historical geology. Physical geology focuses on Earth's materials and the processes that shape the planet today—minerals, rocks, weathering, erosion, volcanism, earthquakes, and plate tectonics. Historical geology uses evidence from rocks and fossils to reconstruct Earth’s past, including the fossil record, the development of the geologic time scale, and long-term changes in environments and landscapes. The other pairings aren’t used as the main split: meteorology is the study of the atmosphere and weather, not geology as a whole; oceanic geology would be a subfield within geology rather than a primary division; and terms like philosophical, practical, theoretical, or applied describe approaches rather than broad categories of geological study.