Petrology (The study of rocks )

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Images: pngimg.com Devdutt Upasani

, Petrology
• Petrology is the study of all
rocks
• Rocks are made of minerals
• Rocks are generally made of more
than one mineral
• Definition: Petrology is the science
of rocks mainly dealing with
– mode of occurrence
– Composition
– Classification
– Origin
– Relation to geological processes


Images: pngkey.com

, Other terms…
• Petrography – Descriptive part-
dealing with textural,
mineralogical and chemical
studies of rocks. Studied in the
lab.
• Petrogenesis- Study of genesis or
origin of rocks.
• Lithology- Study of stones.
Synonymous to petrology, but
preferred term in engineering,
architecture and other applied
fields.

Images: various websites