Canadian scientists discover ancient continent was larger than we thought

  • Canadian scientists discover ancient continent was larger than we thought

Canadian scientists discover ancient continent was larger than we thought

The old continent made many parts of the Earth's continental crust before such information could no longer be found in the annals of time.

University of British Columbia geologist Mary Kopylova says that for researchers, kimberlites and subterranean rocks that cull out passengers on their way to the surface, the passengers are nothing but solid wedges of wall rocks that bear ample amount of features on conditions far deep within the planet over a while.

The way geologists tied all the pieces together was effortless.

An igneous rock, which is a sample of kimberlite and sometimes contains diamonds, was from deep below Chidliak Kimberlite Province n southern Baffin Island.

"Finding these "lost" pieces is like finding a missing piece of a puzzle", Ms Kopylova is estimated as claiming in a short article released by the University of British Columbia's internet site.

Approximately 175 million years ago, Earth's continents were all connected into an only landmass, dubbed Pangea.

Kimberlite could be found to the surface due to a combination of chemical and geological processes. Scientists stumbled on them as they sifted the area for diamond samples.

Kimberlite rock specimens are a prominent component of diamond inspection. Cratons comprise both a crust and a rigid upper mantle part-the so-called lithosphere-and the scientists studied peridotite and pyroxenite xenoliths, which originate from the upper mantle.

Rifted into fragments millions of years ago, NAC has been exposed in Scotland, Labrador, and Greenland, but researchers weren't expecting to find it in Baffin Island's Hall Peninsula.

Ms Kopylova and also her coworkers states the example birthed a mineral trademark that matched various other sections of the North Atlantic Craton.

"The mineral composition of other chunks of the North Atlantic craton is so peculiar".

While previous estimates of the size and location of the Earth's plates were based on relatively shallow samples taken up to 10 km underground, this study examined rocks extracted from a depth of 200 km.

"We can now understand and map not only the uppermost skinny layer of Earth that makes up one percent of the planet's volume, but our knowledge is literally and symbolically deeper".

"The study is fairly unique in using mantle-derived rocks to fingerprint cratonic roots".