Questions tagged [mountains]

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

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6
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2answers
234 views

Is there a list of instances where mountains that have been mined out of existence?

Reading the Wikipedia entry for the Australian town of Broken Hill, I came across the following piece of trivia (emphasis mine): The "broken hill" that gave its name to Broken Hill actually ...
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1answer
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What causes jagged appearance of mountains in SE Asia?

For some time now, I've noticed that mountains in southeast Asia seem to be unusually "jagged" with steep surfaces. My basic knowledge of how mountains are formed (via geologic processes) tells me ...
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2answers
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Lake Manasarovar v.s. Lake Rakshastal: fresh-water v.s. salt-water

In Tibetan Plateau, about 4600m elevation, If Lake Manasarovar and Lake Rakshastal ("lake of the demon" ) used to be the same lake, but due to the tectonic activity now they are separated to two by ...
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4answers
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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 (...
6
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1answer
782 views

Why are parts of the Atlas Mountains in Morocco flat?

A couple of months ago I traveled into the Moroccan Atlas Mountains. Many times I have seen pictures of landmarks like this one of Aït Benhaddou which show apparently unnaturally flat mountain ...
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2answers
812 views

Why are South African mountains short and flat?

I drove through South Africa from Cape Town to Mozambique and noticed that almost all heights and mountains were no higher than approx 200-400 meters and had a flat top, just like the iconic Table ...
3
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1answer
588 views

Which mountains are rising?

The Himalayas are rising--as many people have heard. What other mountain ranges are still rising at a rate faster than they are being worn down by erosion?
7
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1answer
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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?
4
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1answer
104 views

Earthquakes and mountain height

Tectonic plate motion is the main reason for earthquakes in Italy. I suppose that a large motion produces higher mountain (as Monte Bianco, Monte Rosa or Adamello) and strong earthquakes. But strong ...
1
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1answer
108 views

What Happens When India Stops Hitting Asia

For the past 50 million years, India has been colliding with mainland Asia, creating the Himalayan mountain range. It's not an issue of if the Himalayas would stop rising, but when. Articles of the ...
1
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1answer
132 views

At what altitude stalagmite/stalactite caves are located? What kind of rocks are needed to form them?

I know that there are many kinds of such caves, but I am looking for ones (if they exist, and I don't know) that contain stalagmite and stalactites and are located at high altitude inside a mountain. ...
5
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1answer
304 views

How are small mountains created?

I understand that large mountain ranges like the Rockies are created by the tectonic plates moving. I live in Arizona and there are a lot of mountains here but from what I understand, there are no ...
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0answers
278 views

Largest mountain range

The major mountain chains of Earth are found near: Convergent (subduction) and convergent (collisional) boundaries or transform boundaries? it should be both subduction and collisional right?
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4answers
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Why do rivers have 'wells' in mountains?

Why/how can rivers have sources in places high above the sea level?
8
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3answers
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What is the name for the forested areas in mountains below the treeline?

Taiga is the Russian word for big areas of forest wilderness in high latitude regions. What about forests in the mountains? What is the name for the forested areas in mountains which are below the ...
3
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1answer
124 views

Is there a meaningful concept of a mountain having a footprint area?

Is there a meaningful way to delimit a mountain as an area with a sharp boundary? Looked as as a 2D shape on the datum it would be a footprint of the mountain similar to a building footprint, while as ...
5
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1answer
62 views

Resources on Andean geology

I would like to begin studying the geology of the Andes, with particular respect to the tectonics and paleogeography of the region. I have been searching on-line resources for some time and I would ...
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2answers
4k views

Why One Side of Mountain Range is Lush

I'm new to this site and certainly not someone with any real background in atmospheric science, so please forgive me if this question is a little stupid. I recall learning in High School about ...
10
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2answers
459 views

Is it physically possible to see mountains from 500 km away?

Quoting from lecture notes of Andrew young at San Diego State University: For less extreme, but very reliable, observations, consider some listed by Commander C. L. Garner of the Coast and Geodetic ...
7
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2answers
436 views

Why is the Yarkant River braided in the Pamir mountains?

The formation section in the braided river Wikipedia says that very erodible soil causes braided rivers. Intuitively, a rising mountain range like the Pamirs would not be easily erodible. The ...
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3answers
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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 $3 \times 10^3\ \mathrm{kg/m^3}$,...
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2answers
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What would change if our earth lacks mountains?

I just asked myself what is the role of the mountains on our planet earth? Well there's a well known role for the climate and weather. But is there a kind of physical or geological role? What would ...
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3answers
10k views

Is there a reason most mountain ranges seem to run parallel to coastlines?

Eyeballing a map of the world, it seems that most mountain ranges that don't occur along continental fault lines run parallel to coastlines. Is there a reason for this?
11
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0answers
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Is there a distinction between gap winds and channelled flow?

I have seen gap flows mentioned in the literature, for example [Gohm et al. 2004, Zängl 2002, Mayr et al. 2007]. Whiteman 2000 defines a gap as a "major erosional opening through mountain ranges" and ...
4
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1answer
110 views

Could a waterfall lashing onto a road lead to a landslide?

Here is a video of a waterfall lashing on to a mountain road, with vehicles driving under it. https://youtu.be/cHaguj--YBc There appears to be a big hole carved out right next to the road, possibly ...
9
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1answer
793 views

Is there an estimate for the length of the American Cordillera?

There was no geography site on Stack Exchange, so I thought the best place to ask about this was in Earth Science: Do we have an estimate for the length of the American Cordillera (the chain of ...
10
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1answer
131 views

What is the age of the Gamburtsev Mountains?

The mechanism for the formation of the Gamburtsev Subglacial Mountains in East Antarctica seems to be a combination of old volcanism and Cretaceous rifting (Ferraccioli et al., 2011). While the ...
25
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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....
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2answers
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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 ...
24
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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 ...
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2answers
523 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 ...
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6answers
2k views

Are there any photographs of mountains without significant erosion (on Earth or otherwise)

I'm curious about how mountains on an airless world such as the Moon would look if you were standing on the surface and looking at them. There are plenty of artists' impressions, of course, but I'm ...
10
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1answer
5k views

What is a massif and what differentiates it from other types of mountains?

Wikipedia says that a massif is "a section of a planet's crust that is demarcated by faults or flexures." It goes on to list mountain-like objects. Is it not true that most mountains are created by ...
7
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1answer
222 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 ...
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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 ...
13
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3answers
12k 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 ...
12
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3answers
20k views

Is Mount Everest currently becoming taller or shorter every year?

Is Mount Everest becoming taller or shorter every year? By how much? I would like an explanation in terms of tectonic plate movement if possible. Source: IamKatieHoffman.com
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3answers
217 views

What supports the Rockies?

What supports the Rocky Mountains in North America? Or put another way, Why are they there? and Why are they still there? It might be tempting to think of compression, especially in an east-west ...
12
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1answer
678 views

Magnetic "magnetic hills"?

I have found on Wikipedia that the term "magnetic hill" is used for an optical illusion. However, I have heard that there are true magnetic hills, i.e., locations where you can't use compass simply ...
20
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1answer
737 views

What is the origin of the Montmartre mountain in Paris?

I have always wondered what is the origin of Montmartre mountain in Paris. What surprises me is that the whole area seems quite flat, and yet there's a very steep hill in the middle. How has that ...
13
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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,...

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