Answer :
Answer:
option (1) quartz
Explanation:
The rhyolite is an extrusive igneous rock.
The color of rhyolite is generally pink or gray with very fine grains.
The Rhyolite is composed of quartz, sanidine, and plagioclase,
It also consists of minor amounts of biotite and hornblende.
It has very high silica content.
Hence,
The answer is option (1) quartz
A rhyolite is silica-rich volcanic rock and is generally glassy and is fine-grained. It is made of large grains of crystals. Thus is a felsic igneous rock.
- As rhyolite is made primarily of quartz, plagioclases, and sanidine. The rock is an extensive equivalent to granite. The rock is heavily used in construction.
Hence the option 1 is correct that is Quartz.
Learn more about the igneous rock to be classified as rhyolite
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