What is the zone below the lithosphere that is more plastic?
Below the lithosphere within the upper portion of the mantle is a plastic layer of rock called the asthenosphere.
What is the zone below the lithosphere?
asthenosphere, zone of Earth's mantle lying beneath the lithosphere and believed to be much hotter and more fluid than the lithosphere. The asthenosphere extends from about 100 km (60 miles) to about 700 km (450 miles) below Earth's surface.
What is the most outer solid portion of the planet Earth?
The lithosphere The lithosphere is the solid, outer part of the Earth. The lithosphere includes the brittle upper portion of the mantle and the crust, the outermost layers of Earth's structure. It is bounded by the atmosphere above and the asthenosphere (another part of the upper mantle) below.
What are the three types of plate boundaries?
- Divergent boundaries — where new crust is generated as the plates pull away from each other.
- Convergent boundaries — where crust is destroyed as one plate dives under another.
- Transform boundaries — where crust is neither produced nor destroyed as the plates slide horizontally past each other.
How is new ocean floor created?
As plates converge, one plate may move under the other causing earthquakes, forming volcanoes, or creating deep ocean trenches. Where plates diverge from each other, molten magma flows upward between the plates, forming mid-ocean ridges, underwater volcanoes, hydrothermal vents, and new ocean floor crust.
What are the places where the seafloor is forced under continental plates?
Plate tectonics
| Question | Answer |
|---|---|
| Zones place where the seafloor is forced under continental plates | Subduction |
| And of the earth below the crust | Mantle |
| The outermost solid proportion of the earth | Crust |
| Paleontologist noticed that these were the same on different continents even though the continents are separated by ocean | Fossil |
How old is the Earth?
4.543 billion yearsEarth / Age
How many shells of the Earth are there name them?
Earth is made up of three shells. Earth is made up of three shells, Lithosphere, mantle and inner most part. These are usually called as SIAL, SIMA, & NiFe Layers. Lithosphere : It is the rigid part of the earth's crust that is called as SIAL. Mantle : Leyer which is just below the upper layers of earth is Mantle.
Why do geological activities such as earthquake volcanism and mountain formation happen to be confined on certain places around the globe?
Geologic processes such as plate tectonics impact the entire surface of the planet and have major influences on the location of natural hazards like earthquakes and volcanoes. So far, we have only studied large scale patterns in plate tectonics.
What is the border between two tectonic plates called?
The area where two tectonic plates touch is called the plate boundary, and earthquakes occur most often along these borders.
What are the three major regions of the ocean floor?
> ceanographers studying the topography of the ocean floor have vided it into three major regions. The ocean floor regions are le continental margins, the ocean basin floor, and the mid-ocean dge.
Where is active seafloor spreading today?
Where is active sea floor spreading occurring today? Seafloor spreading is the movement of old rock that is being pushed by the new young oceanic crust. This would be a divergent since the plates are separating from each other. Active seafloor spreading is occurring at mid-ocean ridges.
Where is active seafloor spreading occurring today?
Active seafloor spreading is occurring at mid-ocean ridges.
Who created Earth?
Formation. When the solar system settled into its current layout about 4.5 billion years ago, Earth formed when gravity pulled swirling gas and dust in to become the third planet from the Sun. Like its fellow terrestrial planets, Earth has a central core, a rocky mantle, and a solid crust.
Do you age in space?
In space, people usually experience environmental stressors like microgravity, cosmic radiation, and social isolation, which can all impact aging. Studies on long-term space travel often measure aging biomarkers such as telomere length and heartbeat rates, not epigenetic aging.
Are shells living?
You can think of a seashell kind of like your own hair. Your hair grows and is part of you, but it isn't alive on its own. A living mollusk produces a shell with its body, but the shell itself isn't alive.
How deep have we drilled into the Earth?
40,230 ft Deepest drillings The Kola Superdeep Borehole on the Kola peninsula of Russia reached 12,262 metres (40,230 ft) and is the deepest penetration of the Earth's solid surface. The German Continental Deep Drilling Program at 9.1 kilometres (5.7 mi) has shown the earth crust to be mostly porous.
How are active volcanoes earthquake epicenters and mountain ranges or belts related to the movement of the Earth’s lithosphere?
These features move because of movement at plates at the plate boundaries. Mountain ranges, ocean trenches, volcanoes, and earthquakes occur in patterns. The movement of plates causes these features to occur. They occur in patterns because certain features are formed at he site of the three types of plate boundaries.
Why do active volcanoes mountain ranges folded mountains and earthquake zone are in the same place?
Why do active volcanoes mountain ranges folded mountains and earthquake zone are in the same place? The global distribution of the Fold Mountains is due to the interaction between the various tectonic plates. Thus there is a close relationship between the volcanoes earthquakes and the Fold Mountains.
What tectonic plate is Japan on?
Japan sits on or near the boundary of four tectonic plates: the Pacific, North American, Eurasian and Filipino plates.
When did Pangea break up?
about 175 million years ago Many people have heard of Pangaea, the supercontinent that included all continents on Earth and began to break up about 175 million years ago.
How many ocean floors are there?
There are nine main features of the ocean floor which include (1) continental shelf, (2) continental slope, (3) continental rise, (4) abyssal plains, (5) abyssal hill, (6) mid-ocean ridges, (7) seamounts, (8) deep ocean trenches, and (9) volcanic islands.
What are the 4 types of ocean floor?
These relief features found on the ocean floor are called Submarine Relief. The ocean basins are broadly divided into four major subdivisions….They are;
- Continental Shelf.
- Continental slope.
- Abyssal plains.
- The ocean deeps/ submarine trenches.
Where are the youngest seafloor rocks found?
the mid-ocean ridges The youngest rocks in the ocean floor are located at the mid-ocean ridges. Although the Mid-Atlantic Ridge is mostly an underwater feature, portions of it, such as the island of Iceland, have enough elevation to extend above sea level.
What type of plate boundary created Japan?
convergent plate boundary Japan has been situated in the convergent plate boundary during long geohistorical ages. This means that the Japanese islands are built under the subduction tectonics. The oceanic plate consists of the oceanic crust and a part of the mantle beneath it.
Why did God make us?
Because Heavenly Father wanted us to have the chance to progress and become like Him, He created our spirits, and He provided a plan of salvation and happiness that necessarily includes this earthly experience.
When did God create Earth?
Among the Masoretic creation estimates or calculations for the date of creation only Archbishop Ussher's specific chronology dating the creation to 4004 BC became the most accepted and popular, mainly because this specific date was attached to the King James Bible.
How is 1 hour 7 years in space?
The first planet they land on is close to a supermassive black hole, dubbed Gargantuan, whose gravitational pull causes massive waves on the planet that toss their spacecraft about. Its proximity to the black hole also causes an extreme time dilation, where one hour on the distant planet equals 7 years on Earth.
Do astronauts get paid for life?
So, while they may not be paid for life, astronauts do receive many benefits that help offset the risks of their profession. However, astronauts may enjoy many potential financial rewards once they retire.
Are sand dollars alive?
Many beachgoers don't realize that sand dollars are living creatures. They're a type of sea urchin in a class called Echinoids, or spiny skinned creatures.