answersLogoWhite

0

Pangaea Supercontinent

Pangaea (also spelled Pangea or Pangæa) is a theoretical supercontinent that existed about 250 million years ago. Scientists believe all seven continents as they are today were once part of a supercontinent and have slowly moved apart.

1,102 Questions

What is the Pangaea puzzle?

The Pangea puzzle is the theory of the beginning of the continents. It's how the Earth started out. Well it is the theory of how the continents came to be. The legend has it that way back in time, there weren't any continents. There was just one large landmass. Until it started to spread apart. That is when it was no longer just one piece. But there were 7 different landmasses. Over hundreds of thousands of years, those landmasses spread apart into what we know now as our 7 continents.

Did the breakup of Pangaea have a effect on dinosaur extinction?

No, the breakup of Pangaea occurred long before the mass extinction of dinosaurs. The main factor believed to have caused dinosaur extinction is an asteroid impact that occurred around 66 million years ago.

Which of these was given the name Pangaea?

The supercontinent that existed about 300 million years ago and eventually split into the continents we recognize today was named Pangaea.

What are the five stages of how pangaea has thought to have evolved?

  1. Formation: Pangaea formed around 335 million years ago when several continents collided, creating a single supercontinent.
  2. Breakup: Around 175 million years ago, Pangaea started breaking apart due to tectonic plate movements.
  3. Laurasia and Gondwana: The breakup of Pangaea led to the formation of two supercontinents, Laurasia in the north and Gondwana in the south.
  4. Continents drift: Over millions of years, the continents continued to drift to their current positions.
  5. Current configuration: The continents are currently arranged as they are today, following the breakup of Pangaea.

What caused pangaea's plates to move?

The movement of the plates that formed Pangaea was primarily driven by the process of plate tectonics. The heat generated from the Earth's core creates convection currents in the mantle, which in turn move the plates that make up the Earth's outer shell. This movement led to the breakup of Pangaea and the shifting of the continents to their current positions.

What was Pangaea When did it form?

Laurasia and Gondwanaland collided to form a single supercontinent called Pangaea from the late Carboniferous Period, through the Permian Period of the Paleozoic era. Glacial deposits show that South America, South Africa, Antarctica, Australia, and India were close together near the south polar region at the middle of the Permian Period.
Pangaea was formed in the Late Permian and broke up in the Triassic Era.

What happens when two contental plates meet?

when 2 plates meet is create a fault line( whether visible or under the sea) which means there is a potental for futher seismic activity than on the rest of mantal of our earth. i.e. san andreas fault.

What are some model ideals for pangaea?

you could make a model of Pangaea made out of salt dough. it is real easy. here is the how you could make it....

Overview:
It is fun to think of the ancient continents fitting together like giant jigsaw puzzle pieces. It's even more fun to make a model out of salt dough and see for yourself how they used to fit together.

Materials:

2 cups (250 g) of flour (plain white, unbleached, or bread flour work best) Cookie sheet or pizza pan Dull table knife Hot pad 2 tablespoons of dry wallpaper paste 2 cups (473.2 ml) of water Acrylic paints Pencil Several sheets of tracing paper 2 cups (192 g) of table salt Large bowl Spoon rolling pin Oven Paintbrush Scissors

Procedure:
You need to print the Pangea Puzzle Pattern. Here is what you do:
1. Enlarge the pattern on a copier as indicated on the print out. Carefully trace it and cut out the pieces. Set them aside.
2. Mix the flour, salt and wallpaper paste in the large bowl. Add 1 cup (236.6 ml) of water and mix, then slowly add as much of the rest of the water as you need to make a firm dough. The dough should not be runny, but should feel like stiff clay.
3. When the dough is sticking together but is still pretty crumbly, dump it out onto a floured countertop or table and knead it for about five minutes. Here is how to knead dough: Starting with a mound of dough, squeeze it and push it away from you at the same time, then pull it toward you, folding the top toward you as you pull. Next, turn the dough mound partway around and repeat what you did before. Continue to push, pull, and turn. It takes a little practice to get into the rhythm of kneading. Sprinkle the dough with a tiny bit of water if the dough seems too dry, or a tiny bit of flour if it gets too sticky.
4. Roll the kneaded dough out onto a lightly floured countertop or table until it's 1/4 inch (1 cm) thick all over.
5. Place one of the paper pattern pieces on the dough slab and carefully cut the dough with the dull knife following the edges of the pattern piece. Peel off the tracing paper pattern. Gently lift up the cutout dough and place it on the cookie sheet or pizza pan. Cut out all the other pieces the same way. Peel off the tracing paper pattern after you cut out each piece.
6. Salt dough must be dried very slowly or it will crack. It must also dry completely or it will get mushy and start to rot. Ask an adult to help you put the pan in a 170° F (76.6° C) oven for one hour. (If you are using a gas oven, leave the oven door halfway open during the entire hour. Do not use a microwave to dry salt dough.) After an hour, turn the oven up to 200° F (93° C) and dry the dough for 30 minutes more. (If you are using a gas oven, leave the door a quarter of the way open during this baking time.) After 30 minutes, turn the oven up to 250° F (121° C) and dry the dough for another 30 minutes. (If you are using a gas oven, keep the door closed during this baking time.) Ask an adult to help you take the pan out of the oven.
7. Let the puzzle pieces cool for 30 minutes, then tap one piece to see if it sounds hollow. If it does, it's completely dry.
8. Paint the pieces with the acrylic paints and let the paint dry. Be sure to wash out your paintbrush when you are done.
9. Put your puzzle together.

Who discover the pangaea?

The concept of Pangaea, the ancient supercontinent, was proposed by Alfred Wegener in 1912 based on evidence from the fit of continents, fossil similarities, and rock formations. He suggested that the continents were once connected and have since drifted apart.

How does Mesosaurus fossils support the past existence of Pangaea?

Mesosaurus fossils found in both South America and Africa suggest that these continents were once connected. Mesosaurus was a freshwater reptile, incapable of crossing vast oceans, which implies the existence of a single landmass – Pangaea – where the species lived and later separated due to continental drift.

What continent was on the south pole during Pangaea?

During Pangaea, the continent that was located on the South Pole was likely Antarctica. Pangaea was a supercontinent that existed millions of years ago, and through the process of continental drift, the landmasses eventually split and moved to their current positions.

What is pangaea and what caused pangaea to separate?

Pangaea was a supercontinent that existed about 335 million years ago, when all the Earth's landmasses were joined together. The separation of Pangaea was caused by the movement of tectonic plates, leading to the process of continental drift. This movement continues today, with the continents slowly shifting apart.

History whether it happened millions of years ago or only a few years ago?

History is usually considered to be restricted to the period of time where mankind was able to write down and record events. History is the study of these records.

If one hoes back to a time where no records are available (because they have been lost or before writing was invented, then one relies on other (superposition and radio isotope) dating and the discipline is called "Archeology.

As one goes back further before the first people made objects that can be found one enters the field of "Geology" which studies the evolution of life and the formation of the planet Earth.

Going back still further, before Earth formed, the discipline is called "Cosmology".

What do these things have in common Paleomagnetism seafloor spreading Pangaea Benioff zones transform faults fracture zones seamount chains Pacific hotspots?

These topics are related to plate tectonics. Paleomagnetism helps track past positions of the Earth's magnetic field, which supports evidence for seafloor spreading and the movement of continents like Pangaea. Benioff zones mark the descent of oceanic plates beneath continental plates at subduction zones. Transform faults and fracture zones are features where tectonic plates slide past each other, while seamount chains and Pacific hotspots are associated with volcanic activity resulting from plate movement.

What happens when athin sheet of metal is hammered is again and again?

When a thin sheet of metal is hammered again and again, it becomes thinner, longer, and wider. The repeated hammering causes the metal's atoms to spread out and align in the direction of the force, making the metal more malleable and shaping it into the desired form. This process of shaping metal through repeated hammering is known as metalworking or forging.

Which of the American continents was the first to break away from Pangaea?

There is no true answer, as Pangea split into two smaller continents: Gondwana and Laurasia. North America was a part of Laurasia while South America was a part of Gondwana.

What era did the pangaea broke?

the late Carboniferous period
from the devonian to the permian

What is the size of pangaea in km squared?

The size of Pangaea, the supercontinent that existed about 335 million years ago, was approximately 143 million square kilometers.

Who thought of the idea of Pangaea?

Alfred Wegener discovered Pangaea in 1915. After discovering the idea of tectonic plates. Through this discovery he perfected an image of Pangaea when the worlds tectonic plates had not moved.

Show a map of Pangaea?

I have a Pangaea Map,and I got all the pieces to it and I know were they go,but I just don't know where 2 put the Greenland piece at.My aunt and I are having trouble with this but if anybody knows the answer,just send it 2 us.

Why is the existence of Pangaea a belief rather than a fact?

The existence of Pangaea is a scientific theory supported by evidence such as the fit of the continents, geological similarities, and fossil distributions. While overwhelming evidence supports the theory, it is still technically a hypothesis because we cannot directly observe the movement of the continents over millions of years.

What is the Difference between pangaea and pangaea ultima?

pangaea is the supercontinent that existed millions of years ago, when all the continents were together in one large. supercontinent. Pangaea ultima is the supercontinent that is predicted to form in the next 250 million years. So to be simple, pangaea already happened and pangaea ultima is predicted to happen. :)

What continents did north america used to be attached to during pangaea time?

During the time of Pangaea, North America was attached to the continents of Europe, Africa, and South America. These landmasses were all part of the supercontinent Pangaea before they eventually drifted apart to form the continents we recognize today.