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Volcanic crater

Volcanic crater

A volcanic crater is a roughly circular depression in the ground caused by volcanic activity. It is typically a bowl-shaped feature within which occurs a vent or vents.

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Earth Day

Earth Day

Earth Day is an annual event celebrated on April 22. Worldwide, various events are held to demonstrate support for environmental protection.

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Beauty of Geology on Earth

Beauty of Geology on Earth

The so-called geological age, refers to a variety of geological events on the earth's era.

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Continental drift

Continental drift

Continental drift is the movement of the Earth's continents relative to each other, thus appearing to "drift" across the ocean bed.

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Formation Background of Volcanic Barrier Lakes

Formation Background of Volcanic Barrier Lakes

Volcanic barrier lakes were created when lava spewed by Laohei Volcano and Huoshao Volcano blocked the original river. See the following process diagram :

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