Today on March 20 Google Doodle celebrates Spring Equinox 2019, a celestial event that marks as the beginning of spring in many cultures. Spring Equinox…
We are always speaking about our galaxy, universe and everything that related to out of our planet. Humans have been to the moon and study every corner of the planet, but there is one place that we have forgotten, and have never been. Yes, you guessed correctly, it is about the plans that scientists are going to drill into Earth’s mantle by 2030, the planet’s interior, which lies just beneath the outer crust. Researchers of Japan’s Agency for Marine-Earth Science want to find out more about how our planet was formed and what the mantle is consists of. The mantle composed of more than 80% of the Earth’s mass, lying 6 miles (10 kilometers) beneath the ocean floor. Researcher Natsue Abe, who works for Japan’s agency said that they did not know the exact (composition) of the mantle yet. They had only seen some mantle materials: the rock is very beautiful, it’s kind of a yellowish green. He hopes that the study will help them find out the ways to better predict earthquakes. “In Japan we have some volcanoes, earthquakes and such kind of natural hazards. People want to create some monitoring or analysis equipment, but we don’t know what kind of factor to use” added Abe. “So we need to know the natural system more clearly or precisely. We have to observe the Earth more precisely.”
The researcher said the Chikyu’s drill will drop down through almost 2.5 miles (4 kilometers) of ocean before reaching the ocean floor. It then will bore through 3.7 miles (6 kilometers) of the seafloor, or the planet’s crust, before it reaches the mantle. “We already drilled and have taken some samples from the ocean floor but (only) from the top,” Abe said. “We want to dig from the ocean floor to the deep pristine mantle.”
They hope to start drilling 2030 at the latest.
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