Question

answers of any 4 questions
• How Fold Mountains are different than Fault Mountains?
• How Dome Mountains are formed?
• How Volcanic Mountains are different than Dome Mountains?
• Why mountains in Himalaya are believed to be still growing?
• Why plate tectonics keep moving all the time?
• What types of mountains Pakistan has in abundance?

Answer 1

Explanation:

1. These mountains form when faults or cracks in the earth's crust force some materials or blocks of rock up and others down. Instead of the earth folding over, the earth's crust fractures (pulls apart). It breaks up into blocks or chunks.
2. Sometimes volcanic eruptions break down mountains instead of building them up, like the 1980 eruption that blew the top off Mount St. Helens. When magma pushes the crust up but hardens before erupting onto the surface, it forms so-called dome mountains. Wind and rain pummel the domes, sculpting peaks and valleys.
3. The rock layers over the hardened magma are warped upward to form the dome. But the rock layers of the surrounding area remain flat. separate peaks called Dome Mountains. As the name suggests, volcanic mountains are formed by volcanoes.

4. The Himalayas continue to rise more than 1 cm a year -- a growth rate of 10 km in a million years! If that is so, why aren't the Himalayas even higher? Scientists believe that the Eurasian Plate may now be stretching out rather than thrusting up, and such stretching would result in some subsidence due to gravity.

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Answer 2

Explanation:

*These mountains form when faults or cracks in the earth's crust force some materials or blocks of rock up and others down. Instead of the earth folding over, the earth's crust fractures (pulls apart). It breaks up into blocks or chunks.

*Sometimes volcanic eruptions break down mountains instead of building them up, like the 1980 eruption that blew the top off Mount St. Helens. When magma pushes the crust up but hardens before erupting onto the surface, it forms so-called dome mountains. Wind and rain pummel the domes, sculpting peaks and valleys

*The rock layers over the hardened magma are warped upward to form the dome. But the rock layers of the surrounding area remain flat. separate peaks called Dome Mountains. As the name suggests, volcanic mountains are formed by volcanoes.

*The Himalayas continue to rise more than 1 cm a year -- a growth rate of 10 km in a million years! If that is so, why aren't the Himalayas even higher? Scientists believe that the Eurasian Plate may now be stretching out rather than thrusting up, and such stretching would result in some subsidence due to gravity.

*The main driving force of plate tectonics is gravity. If a plate with oceanic lithosphere meets another plate, the dense oceanic lithosphere dives beneath the other plate and sinks into the mantle. ... One difference is that the mantle is not liquid; rather, the solid rocks are so hot that they can slowly flow.

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