Descriptive petrology

Japanese: 記載的岩石学 - きさいてきがんせきがく
Descriptive petrology

…the science that elucidates the distribution, geological occurrence, various properties, and origin of rocks, and is a branch of geology. Of these, petrology that focuses on describing the mineral composition, chemical composition, and texture of rocks is called descriptive petrology or descriptive petrology, while petrology that focuses on the study of the origin of rocks is called genetic petrology. However, the combination of the two is often called petrology. …

*Some of the terminology that refers to "descriptive petrology" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…岩石の分布や地質的出現状態,種々の性質,および成因等を明らかにする科学で,地質学の一分野である。このうち,岩石の鉱物組成や化学組成や組織などを記述することを主とした岩石学を記載的岩石学あるいは記述的岩石学petrographyと呼び,岩石の成因の研究を主とした岩石学を成因的岩石学petrologyと呼ぶ。しかし両者を合わせたものを岩石学petrologyと呼ぶことも多い。…

※「記載的岩石学」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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