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Mountains

A mountain is a natural elevation of the earth's surface having considerable mass, often steep sides, and a height greater than that of a hill. Part of the geography of every continent, they are most often found in a long group called a range Some mountain ranges are Alps, Andes, Himalayas, and Rocky Mountains, though there are dozens more.

17,824 Questions

Explain how the formation of the Lassen Peak and Mouny Shasta are related to subduction?

Lassen Peak and Mount Shasta are both stratovolcanoes formed due to the subduction of the Juan de Fuca plate beneath the North American plate. As the Juan de Fuca plate subducts, it melts, leading to the formation of magma that rises to the surface and erupts, forming these volcanic peaks. Subduction zones are known for producing explosive eruptions due to the interaction between the descending plate and the overlying plate.

What mountain range was formed as a result of 2 continents colliding?

When oceanic plates collide with continental plates, The oceanic plate goes under the Continental plate, creating friction deep in the earth, where the plates are rubbing against each other, creating magma, which rises to the surface and creates volcanic mountain ranges. The Andes mountain range is an example. I don't know if this will help you at all.

What mountains are the fault-block mountains?

Examples of fault-block mountains include the Sierra Nevada in the United States, the Tetons in Wyoming, and the Harz Mountains in Germany. These mountains are formed when tectonic activity causes blocks of the Earth's crust to move vertically along faults.

How do mountains erode?

Mountains erode through a combination of weathering processes, such as freeze-thaw cycles, chemical weathering, and physical erosion by wind, water, and ice. These processes break down the rock and soil on the mountain slopes, gradually wearing them away over time. Gravity plays a key role in moving the eroded material downhill, shaping the mountain's surface.

What are two types of faults that can result in mountains?

Thrust faults and reverse faults can result in mountain formation. Thrust faults occur when rocks are pushed up and over each other, while reverse faults involve compressional forces causing rocks to move vertically. Both of these fault types contribute to the uplift and formation of mountain ranges.

What is the oldest mountain in California?

It's hard to say. The tallest are the youngest because they have not eroded down yet, but this not make short mountains old either. There were mountains in flat places millions or even billions of years ago.

How tall is Mt St Helen's before 1980 eruption?

Mount St. Helens was approximately 9,677 feet (2,950 meters) tall before the 1980 eruption.

What process that wears away a mountain range?

The process that wears away a mountain range is known as erosion. Erosion can be caused by various factors such as wind, water, ice, and gravity. Over time, these elements break down the rocks and sediment of a mountain range, gradually wearing it away.

Why is subduction necessary?

Because if there wasn't subduction the earth would get bigger and bigger caused by sea floor spreading (in the ocean new ground is formed when two plates spread apart) and lava comes up and cools causing new rock to be formed and the plate that is being pushed away is subducted melted into the mantle and then comes back up through the mid-ocean ridge (where the sea floor spreading is taking place) so if you think about it the earth is recycling itself.

Cone shaped mountains that spew out lava or gas?

These mountains are likely volcanoes, with the conical shape formed by layers of hardened lava and volcanic ash. The lava and gas are released during volcanic eruptions, which occur when pressure builds up beneath the Earth's surface and forces magma to the surface. Eruptions can vary in intensity and can have significant impacts on the surrounding environment.

How do heights of Mt Everest and Mt Apo compare with the actual size of Earth?

Mount Everest and Mount Apo are both significantly smaller in height compared to the actual size of Earth. Earth has a diameter of around 12,742 km, whereas Mount Everest's height is approximately 8.8 km and Mount Apo's height is around 3.1 km. So, they are quite small in comparison to the overall size of the planet.

How does erosion affect mountainous areas?

Erosion in mountainous areas can lead to the gradual wearing down of rocks and landforms, resulting in the formation of valleys, canyons, and other geological features. The erosion processes such as weathering, mass movement, and sediment transport can also impact ecosystems by altering habitats and affecting water quality downstream. Additionally, erosion in mountainous areas can contribute to landslides and increased sedimentation in rivers, which can pose risks to communities living in these regions.

What plates are causing mt erebus to form?

The Pacific Plate is causing Mount Erebus to form. This plate is moving over a stationary hotspot beneath the Earth's crust, creating a chain of volcanoes including Mount Erebus in Antarctica.

What type of mountain is formed when higher blocks fault?

A fault-block mountain is formed when higher blocks of land are displaced along a fault line, causing one side of the fault to rise relative to the other. This creates a steep-sided mountain range with a distinctive block-like structure.

Do the Rocky Mountains run through Vancouver?

No, the Rocky Mountains do not run through Vancouver. Vancouver is located on the west coast of Canada, while the Rocky Mountains primarily run through western North America, including parts of Alberta and British Columbia, east of Vancouver.

If old mountains are worn down over the course of millions of years what is one of the primary reasons that mountains still exist?

Plate tectonics is one of the primary reasons why mountains still exist. The movement of tectonic plates can create new mountain ranges through processes like convergence and uplift, which counteracts the continuous erosion that wears down old mountains.

Can volcanos on earth get as big as Olympus Mons?

No, volcanoes on Earth cannot get as big as Olympus Mons, which is a shield volcano on Mars. The size and scale of Olympus Mons are unique to Mars due to its lower gravity and different geological processes compared to Earth. The largest volcano on Earth, Mauna Loa in Hawaii, is still significantly smaller than Olympus Mons.

What is cease as a fold in material?

A cease in a folded material is where the material has been folded or creased along a specific line. It is a point where the material changes direction or where a fold has been made intentionally. Ceases are often used in sewing and crafting to create crisp edges or to guide construction.

Why does giant sequoia trees grow on the west side of California inyo mountains?

Giant sequoia trees grow on the west side of the Sierra Nevada mountains in California because they prefer the mild climate, abundant sunlight, and ample moisture provided by the Pacific Ocean. These conditions allow the trees to thrive and reach their immense size.

Fault-block mountains are formed when a shift takes place along a fault line and?

blocks of rock are uplifted. This results in the formation of steep mountain ranges with one side rising sharply and the other side sloping more gently. Erosion can further shape the mountains over time.

Where can fault - block mountains be found?

Fault-block mountains are typically found in areas where tectonic plates are shifting horizontally, causing the Earth's crust to break and move vertically. Some examples of regions with fault-block mountains include the Sierra Nevada in California, the Teton Range in Wyoming, and the Harz Mountains in Germany.

How Weathering and erosion effect mountain?

Weathering breaks down rocks on a mountain into smaller pieces through processes like freeze-thaw cycles and chemical reactions. Erosion then transports these smaller pieces downhill through agents like water, wind, or ice, gradually wearing away the mountain over time. Together, weathering and erosion can reshape and reduce the size of a mountain.