Questions tagged [mountains]

Questions regarding large land masses that reach high above the surrounding terrain, usually forming a peak.

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40
votes
2answers
6k views

Farthest point from the center of the Earth

At first glance, this seems like such a simple question of "What's the highest point on Earth". However, I also know that the Earth isn't perfectly round. So that "highest point" may be in a ...
11
votes
2answers
2k views

How could this pyramidal Mountain have been formed?

How could this pyramidal peak have been formed in Antarctica? Little is known about it as far as I know but what is known is that its miles away from any existing plate boundary and its shape is also ...
24
votes
1answer
3k views

What were the tallest mountain ranges in Earth's geological past?

There have been numerous episodes of mountain building in Earth's geological history, particularly through the super-continent cycle. Many mountains and mountain ranges have been eroded, as mentioned ...
13
votes
3answers
11k views

What is the tallest fully underwater seamount in the world?

I am wondering what is the tallest fully underwater seamount in the world ? When I say the tallest, I mean the one that is the nearest of the sea level. EDIT : The highest that I found would be at ...
13
votes
2answers
508 views

Determining the paleoelevation of mountain ranges

In New Delhi, a lot of people say that the Aravali range used to be as tall as the Himalayas. How do scientists know that some mountain range used to be a lot taller millions of years ago, and what ...
25
votes
1answer
9k views

How much of a mountain is below the surface?

Is there some kind of math rule for how much does a mountain extend (depth) below the surface? I found an article like this http://www.livescience.com/6595-depth-himalayan-mountain-roots-revealed....
13
votes
1answer
1k views

Is there a standard definition of the term “mountain”?

Is there any standard internationally recognizable definition of the term "mountain"? If international texts describe some terrain as mountains, do they use some international definition of the term,...
7
votes
1answer
1k views

Himalayas are currently rising. What will be the highest point they can reach?

Himalayas are currently rising about 5 mm/year. What will be the highest point they can reach?
14
votes
3answers
2k views

Why is Mauna Kea taller than the maximum height possible on Earth?

We can calculate the maximum possible height of the mountain on earth. If the elastic limit of a typical rock is $3 \times 10^8\ \mathrm{N/m}$ and its mean density is $3 \times 10^3\ \mathrm{kg/m^3}$,...
9
votes
4answers
3k views

Do divergent tectonic plates destroy mountains?

Tectonic plates meeting (convergent plates) form mountains. But if those plates change direction (which I am just assuming they can over time, I have no idea if it's true) and start pulling apart (...
7
votes
1answer
219 views

What definition of “seamount” is used by the largest utilised databases of seamounts?

Appears that answering what seamounts are is a non-trivial question. My take is what matters is data, since authoritative opinions on the topic are at best subjective. As such, my position is the ...
6
votes
1answer
1k views

Volcanoes in the Alps and Himalayas and the subduction of Tethys Sea

Geologist have theorized that the Tethys Sea subducted under Eurasian plates. But where are the volcanoes that would have resulted due to this? Where are the volcanoes in the Alps and the Himalayas?
3
votes
2answers
3k views

What is a seamount? [closed]

Per Oxford Dictionary of Earth Sciences: Seamounts are isolated, submarine mountain rising more than 1000m above the ocean floor. The sharp, crested summits of seamounts are usually 1000-2000m ...
1
vote
1answer
84 views

Precipitation and Elevation

Does precipitation increase or decrease as elevation increases? Because I heard that in the mountains they get more precipitation due to the orographic effect and how the mountains drain the moisture ...