更多petrology例句

1. The more technical portions of the subject, such as petrology and palontology, he considers in much less detail.
2. Many of the more specialised branches of geology, such as petrology, were as yet in a very rudimentary state.
3. The details of this subject will be found in the article Petrology.
4. I got the title of professor from a college back East where I lecture occasionally on mineralogy and petrology.
5. The investigation of the crust belongs to geology and of rocks in particular to petrology.