Earth's Mantle 💛

The Earth's Mantle

 

1 year ago this May I visited Newfoundland for my first time. I wanted to do a series of another fascinating place in Newfoundland I've not shared before. Hope you enjoy!

 

Tablelands Newfoundland

One of only a few places on Earth you can see the Earth's Mantle above ground (Australia and Newfoundland ...) from what I've found. see below links if you are interested. 💛

 

explorersweb.com/natural-wonders-the-tablelands-gros-morne/

"The Tablelands plateau

The Tablelands is a plateau rising 700m above sea level. It began 500 million years ago during the formation of the Pangea supercontinent.

 

At the time, North America, Europe, and Africa joined together, and the ancient ocean, known as Iapetus, began to close. From 10km below the Iapetus ocean floor, the subduction of two tectonic plates pushed up pieces of the Earth’s crust and mantle. Scientists agree that the formation of the Tablelands proves that plate tectonics theory is accurate.

 

On the surface, pieces of the mantle form a desolate but colorful landscape. There are yellow, orange, red, and sometimes even green and blue rocks. These are mostly peridotite, a snakeskin-type rock called serpentinite, dunite, and pyroxenite. Tableland rocks are high in nickel, magnesium, chromite, iron, cobalt, olivine, clinopyroxene, and orthopyroxene. These are some of the oldest rocks on Earth."

 

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"The Canadian Space Agency has also studied the area to aid in the search for life beyond Earth. Scientists study how microscopic life forms can survive in the iron-rich Tablelands to better understand how they might survive on the extreme environment on Mars."

earthobservatory.nasa.gov/images/147917/a-short-journey-t...

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