Which rock has a glassy texture?
A. Pumice
B. Obsidian
C. Gabbro
D. Conglomerate
Answer: Option B
This Question Belongs to Geological Engineering >> Mineralogy And Petrology
Related Questions on Mineralogy and Petrology
Granite is an example of which type of rock?
A. Metamorphic
B. Sedimentary
C. Igneous (Intrusive)
D. Volcanic
Join The Discussion