Tag

Tectonicplates

All articles tagged with #tectonicplates

science1 year ago•2 min saved

Ancient Ocean's Demise Leaves Gravity Dent in Indian Ocean

The Indian Ocean gravity hole, the deepest dent in Earth's gravitational field, is located in the Laccadive Sea, southwest of India. This geoid low, discovered in 1948, was recently explained by a study using computer models to simulate Earth's mantle and tectonic plate movements over 140 million years. The study suggests the gravity hole formed after the ancient Tethys Ocean's crust sank beneath the Eurasian plate, displacing dense material and weakening gravity in the region. Further confirmation is needed through earthquake data.

via Livescience.com|

#geophysics #gravityhole #indianocean

science1 year ago•2 min saved

Spider Crabs Swarm Ocean Floor in Captivating Footage

A team of marine scientists aboard the Schmidt Ocean Institute's research vessel Falkor (too) is exploring the Chile margin, a region where tectonic plates meet, creating hydrothermal activity that supports diverse marine ecosystems. The expedition, which began on October 11 and continues until December 5, has captured stunning footage of the ocean floor teeming with life, including spider crabs, tubeworms, and a mother squid with her eggs. The researchers aim to discover new seeps and vents, particularly at the Chile Triple Junction, where unique geological conditions promise further marine life discoveries.

via ScienceAlert|

#biodiversity #hydrothermalvents #marinebiology

science-and-environment2 years ago•1 min saved

"Unveiling the Secrets Behind Diamond Eruptions and Their Tectonic Origins"

Scientists at the University of Southampton have discovered that diamonds are brought to the Earth's surface by powerful kimberlite eruptions, which are triggered by the movement of tectonic plates. These eruptions, reaching speeds of up to 83 miles per hour, occur at intervals of 22 to 30 million years and are linked to significant geological events like the breakup of supercontinents. The research, which involved statistical analysis and machine learning, could help locate new diamond deposits and has provided deeper understanding of Earth's geological processes.

via Geo News|

##diamonds #earthsciences

science-and-environment2 years ago•2 min saved

"Continental Ruptures Trigger Explosive Diamond Eruptions, Studies Reveal"

Scientists at the University of Southampton have uncovered the cause behind kimberlite eruptions, which transport diamonds from the Earth's mantle to the surface. These 'fountains of diamonds' are triggered by major geological events such as the splitting of supercontinents, like the division of Gondwana into South America and Africa. The team's research, which included statistical analysis and machine learning, suggests that these eruptions occur every 22 to 30 million years and are linked to the movement of tectonic plates. This discovery could aid in locating new diamond deposits and provide insights into other volcanic activities.

via UNILAD|

##diamonds #geologicalresearch