Rhyolite
Definition 1 of 1

Geological Significance
Rhyolite can indicate past volcanic activity

Many formations are a result of ancient eruptions.
Color Variation
Rhyolite can appear in various colors

The color can tell geologists about its mineral content.
Texture Matters
The texture of rhyolite provides insights

Studying the texture can reveal the cooling history of the lava.
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