What context can I use each word in?
Learn when and how to use these words with these examples!
petrograph
Example
The petrography of this rock indicates that it is composed of quartz and feldspar. [petrograph: noun]
Example
The geologist used petrographic analysis to identify the mineral composition of the rock sample. [petrographic: adjective]
geology
Example
She majored in geology and learned about the formation of mountains and oceans. [geology: noun]
Example
The geologic history of this region dates back millions of years. [geologic: adjective]
Good things to know
Which word is more common?
Geology is a more commonly used term than petrography in everyday language. Geology is a well-established field that has practical applications in various industries, while petrography is a more specialized area of research that is mainly used in academic settings.
What’s the difference in the tone of formality between petrograph and geology?
Petrography is a more technical and formal term than geology, which is a more general and versatile term that can be used in both formal and informal contexts.