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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.

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A steep sided mountain composed of alternating layers of lava and tephra?

This type of mountain is likely a stratovolcano, which is characterized by its steep sides and alternating layers of lava flows and volcanic ash (tephra). Stratovolcanoes are formed from repeated eruptions of both magma and volcanic debris, resulting in their distinctive cone shapes. Examples of stratovolcanoes include Mount St. Helens in the United States and Mount Fuji in Japan.

What is the connection between mountains and plate boundaries?

Mountains are often formed at plate boundaries where tectonic plates collide. This collision can cause one plate to be forced upward, leading to the formation of mountains. The uplifted plate may undergo further geological processes, such as folding and faulting, which contribute to the mountain-building process.

Is Mt. Stromboli explosive?

Yes, Mt. Stromboli is known for its explosive eruptions which occur frequently. It is a stratovolcano with a persistent pattern of Strombolian activity characterized by frequent moderate eruptions of volcanic ash, incandescent lava fragments, and occasional lava flows.

Why do fold mountains and earthquakes occur at collision plate margin?

Here earthquakes occur because the 2 plates, continental plates, both are colliding with each other so due to friction, there are lots of movements so they collide, they cause movements on the earths crust so-earthquakes occur and because they are continental crusts they can't sink so they have to go somewhere so they move upwards so they cause fold mountains.

How do the locations of mountains support Wegeners idea about how mountains form?

The distribution of mountain ranges across different continents supports Wegener's idea of continental drift. Mountains on different continents were once part of the same supercontinent, Pangaea, and have since drifted apart, explaining why similar mountain ranges can be found on separate continents. This evidence suggests that the movement of tectonic plates over time has led to the formation of mountains.

What causes some folded mountains to be steep and jagged?

Folded mountains that are steep and jagged are typically formed by intense compression and tectonic forces that result in dramatic folding and faulting of the Earth's crust. The steep and jagged features are a result of the intense deformation and uplift that occurs during the mountain-building process, creating rugged and imposing landscapes. Erosion also plays a role in shaping these mountains by further sculpting the sharp peaks and rugged ridges over time.

What time did Mt St Helens erupt?

Mount St. Helens erupted on May 18, 1980 at 8:32 a.m. local time.

Where do volcanic mountains form?

Volcanic mountains form at convergent plate boundaries, where two tectonic plates collide, or at hotspots, where magma rises from deep within the Earth's mantle to the surface. This magma erupts as lava, building up layers over time to create mountainous structures.

How are mountains being worn down?

Mountains are worn down through a process called erosion, which can be caused by factors such as wind, water, ice, and gravity. As these forces act on the rocks and soil of the mountain, they gradually break down and transport the material to lower elevations. Over time, this leads to the gradual wearing down of the mountain peaks and slopes.

How is air in high mountains different from air at sea level?

Air in high mountains is thinner because there is less atmospheric pressure as you go higher in elevation compared to air at sea level. The lower pressure at high altitudes makes it harder to breathe and can lead to altitude sickness if not acclimated. Additionally, there may be lower humidity levels in high mountain air compared to air at sea level.

What layer of a rock in a mountain is the oldest?

The layer at the bottom of the mountain is typically the oldest, as rocks are usually deposited in chronological order with the oldest rocks at the bottom and the youngest at the top. This principle is known as the law of superposition.

What is Earth's highest mountain below sea level?

The highest mountain on Earth that is below sea level is Mauna Kea in Hawaii. Its peak stands at approximately 13,796 feet (4,205 meters) above sea level, but if we measure from its base on the ocean floor, it reaches over 33,500 feet (10,210 meters) tall, making it taller than Mount Everest when measured from base to peak.

The steps in the rain shadow effect?

A rain shadow is a dry area on the lee side of a mountainous area. The mountains block the passage of rain-producing weather systems casting a "shadow" of dryness behind them. As shown by the diagram to the right, the warm moist air is "pulled" by the prevailing winds over a mountain. Then it condenses and precipitates and the dry air moves forward leaving a rain shadow behind the mountain.

How was the mauna kea formed?

mauna kea was formed when the plates of the earth pushed against each other and a mountain was formed. but lava/magma kept on flowing upwards and made the volcano erupt. right know mauna kea could be growing higher and higher.

How do mountains help rain to form?

Mountains act as physical barriers that force moist air to rise rapidly. As the air rises, it cools and condenses to form clouds and eventually rain. This process is known as orographic lift and is an important factor in the formation of precipitation in mountainous regions.

Where does the freshwater of coast range originate?

The freshwater of the Coast Range originates from precipitation in the form of rain and snow. This precipitation collects in rivers and streams that flow down from the mountains and provide a source of freshwater to the coastal areas.

Are dome and upwarped mountains the same thing?

No, dome mountains are formed by the uplift of large, circular areas of the Earth's crust, creating a dome-shaped structure. Upwarped mountains, on the other hand, are created when broad, gently sloping arches of rock are pushed up due to tectonic forces. Both types of mountains involve the lifting or uplifting of the Earth's crust, but they have distinct structural characteristics.

What is a microtidal range?

A microtidal range refers to a tidal range with minimal variation between high and low tides. This typically occurs in areas with low tidal energy, such as enclosed seas or lakes, where the difference in water level between high and low tide is small. Microtidal ranges are influenced by factors such as the shape of the coastline, the depth of the water, and the distance from the open ocean.

How many mountains on earth are higher than 8000 meters?

There are 14 mountains on Earth that are higher than 8000 meters above sea level, all located in the Himalayas and Karakoram ranges in Asia. This exclusive club includes peaks such as Mount Everest, K2, and Kangchenjunga.

How does mountain grow and Why does mountain grow?

Mountains grow through geological processes such as tectonic plate movements, volcanic activity, and erosion. Tectonic plates colliding or pulling apart can cause the Earth's crust to rise and form mountain ranges. Volcanic eruptions can also create new mountains by depositing magma and ash. Erosion from wind, water, and ice can shape and lift mountains over time.

What is the process of mountain building called?

The process of mountain building is called orogeny. It usually involves tectonic plate movement, which can result in the folding, faulting, and uplifting of the Earth's crust to form mountain ranges.

What is the difference between and old mountain and a young mountain?

Old mountains are usually eroded down to their roots (e.g. the Scottish Highlands) while young mountains are usually high a pointy (e.g. the Himalayas).

mountains that are jagged at the top are new

mountains that are more rounded are old

Why are flood plains important?

Floodplains are important because they store excess water during heavy rains and snowmelt, reducing the risk of floods downstream. They also recharge groundwater supplies, support diverse ecosystems, and provide fertile soil for agriculture. Additionally, floodplains can offer recreational opportunities and contribute to overall water quality.