Petrology is the study of

General Knowledge & Current Affairs ·Previously asked in JKSSB Constable (Executive / Armed / IRP / SDRF) 2024

View the full solved paper: JKSSB Constable 2024 - Set A

Question

Petrology is the study of

  1. A. Land
  2. B. Mineral
  3. C. Rock (Correct answer)
  4. D. Soil

Correct Answer

Option C — Rock

Detailed Solution & Explanation

The correct answer is Rock.

Key Points

  • Petrology is the branch of geology dealing with the origin, composition, structure and classification of rocks.
  • The name comes from the Greek *petra*, meaning rock.
  • It covers all three rock families — igneous, sedimentary and metamorphic.
  • The study of minerals is mineralogy, and the study of soil is pedology — related but distinct fields.

Additional Information

  • Related fields of study that are commonly offered as distractors:
    • Pedology — soils
    • Mineralogy — minerals
    • Seismology — earthquakes
    • Volcanology — volcanoes
    • Palaeontology — fossils
    • Speleology — caves
  • The Greek root *petra* ("rock") also gives petroleum, literally "rock oil".

Topics covered: Everyday Science Branches of Science