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petrography
This term refers to a specialized scientific discipline within geology. It is distinct from petrology, which is the broader study of the origin and formation of rocks; petrography specifically emphasizes the descriptive and classificatory aspect, typically involving the use of a polarizing microscope to analyze thin sections of rock.
As a field of study or a scientific branch, the word is used as an uncountable noun. It describes a methodology and a body of knowledge rather than a discrete object that can be counted.
Meanings
Examples
The university offers an advanced course in petrography for graduate students.
I need to master petrography if I want to identify these volcanic samples correctly.
Optical petrography allows us to see the crystal structure of the rock in detail.
The researcher spent hours performing petrography on the thin sections of the basalt.
Is petrography the best method for analyzing this specific metamorphic rock?
The report includes a detailed section on the petrography of the limestone deposits.
He decided to specialize in petrography to better understand ancient crustal movements.
He decided to specialize in petrography to better understand ancient crustal movements.
Without a solid grounding in petrography, interpreting these slides is nearly impossible.
Without a solid grounding in petrography, interpreting these slides is nearly impossible.