Answer:
The plate boundary is a convergent one where a subduction zone is created.
Explanation:
The Andes are the longest and highest mountain chain in South America, and among the largest ones in the world as well. It is a mountain chain created because of the collision between two tectonic plates and the process is still not over, so the Andes are still growing in size and elevation.
The plates that collide are the Nazca Plate (not the Pacific as it is stated in the question) and the South American plate. The Nazca Plate is a smaller plate and it is mostly made up of oceanic crust, while the South American plate is much larger and is mostly made up of continental crust. The lower and denser Nazca plate moves below the South American plate, thus it subducts, and as it does so, the crust near the plate boundary is pushed up, creating a mountain chain, in this case, that being the Andes.
Answer:
4 meters is the tallest t rex
Explanation:
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Answer:
Tropical forest
Explanation:
The tropical forest is an ecological community that is characterized with temperatures throughout all of the year, as well as high amount of precipitation and humidity. These ecological communities are located at the equator and near the equator, thus on the very low latitudes. They are home to more than half of the animal and plant species on planet Earth. They have the highest concentrations of living organisms, having also the highest diversification on the planet. The tropical forests are fascinating in every possible way, and it is a shame that the research in them is still largely descriptive, because the terrain and the conditions are extremely tough for any other method to be put in practice.
This geological process is called Mantle drag .
What is Mantle drag?
According to the first driving mechanism, known as mantle drag, plate motion is the consequence of viscous drag brought on by the lateral motion of the tops of mantle convection cells in the asthenosphere on the base of the lithosphere . Convection cells would thus be mostly absent beneath continents, rising beneath oceanic ridges, and dropping beneath trenches. This idea states that the oceanic lithosphere would be in a state of tension at the ocean ridges and compression at the trenches.
Due to their connection to accretive and destructive plate boundaries, the horizontal widths of the convection cells causing mantle drag would be projected to be around half an ocean's breadth, or 3000 km.
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The order in which the changes taking place in tectonic activity in the Martinsburg and Massanutten formation is:
- Erosion of the taconian mountains providing abundant carbonate sediment of the Massanutten formation.
- Taconian mountain building and the influx of siliciclastic sediment of the upper Martinsburg formation.
- Tectonic quiescence and the deposition of lime mud on carbonate platform of the upper Martinburg formation.
- Tectonic quiescence & the deposition of lime mud on carbonate platform of the Helderberg formation.
<h3>What order did the tectonic events happen?</h3>
As a result of the erosion of the teconian mountains, there was abundant carbonate for the Massanutten formation.
Some time later, a process of tectonic quiescence led to a deposition of lime mud on the upper Martinsburg formation, and then the Heiderberg formation.
Find out more on tectonic activity at brainly.com/question/16944828.
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