Blocky flows are common if the silica content of lavas is higher

A smooth and continuous lava crust. Pahoehoe forms when the effusion rate is low and consequently the velocity of lava flow is slow

Thin glass fibers that form when gas bubbles within lava burst at the lava’s surface.

Magma can turn blue as a result of burning sulfur gases in the atmosphere.

Found in Tanzania’s “Mountain of God”

Ice that forms in high-altitude when the sun rays turn snow directly into water vapor without melting it first.

Tourist in a field of Penitentes in the Andes.

Blooms of ice that form on dead plant-life.

Ice that appears once moisture on soil reaches freezing temperatures.

Fresh water lake ice that breaks through to the surface.

Also known as wool ice. It forms on dead wood.

Bubbles under the surface of Canada’s Abraham Lake

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