Category: Regional Specifics

What is the great ice age?

The Pleistocene epoch is a geological time period that includes the last ice age, when glaciers covered huge parts of the globe. Also called the Pleistocene era, or simply the Pleistocene, this epoch began about 2.6 million years ago and ended 11,700 years ago, according to the International Commission on Stratigraphy. What happened during the

How a glacier is formed?

Glaciers form on land, and they are made up of fallen snow that gets compressed into ice over many centuries. They move slowly downward from the pull of gravity. How is a glacier formed short answer? Glaciers begin to form when snow remains in the same area year-round, where enough snow accumulates to transform into

How long is Lassen Peak Hike?

Discover this 5.1-mile out-and-back trail near Mineral, California. Generally considered a challenging route, it takes an average of 3 h 1 min to complete. This is a very popular area for hiking, so you’ll likely encounter other people while exploring. How long does it take to hike Lassen? between 3 to 5 hours How far

How do animals cause erosion?

How do living things cause erosion? Living organisms – Small animals, insects, and worms can add to erosion by breaking up the soil so it is easier for the wind and water to carry away. … This can cause pieces to break off over time and lead to erosion. How do animals cause erosion? How

Where is the continental margin located?

ocean floorpart of the ocean floor at the edges of the continents and major islands where, just beyond the shoreline, it tapers gently into the deep sea. The continental margin is made up of the continental shelf, the continental slope, and the continental rise. Where is the continental margin? A continental margin is the outer

What type of volcano does rhyolite come from?

Rhyolite usually forms in continental or continent-margin volcanic eruptions where granitic magma reaches the surface. Rhyolite is rarely produced at oceanic eruptions. What type of volcano has rhyolitic lava? stratovolcanoes Shield volcanoes are formed by basaltic magma, typically above a mantle plume, whereas the stratovolcanoes (sometimes referred to as composite volcanoes) are formed by andesitic/rhyolitic

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