Tag

Earths Interior

All articles tagged with #earths interior

science22 days ago•37 min saved

1.27-km mantle core uncovers Earth's hidden interior

Scientists pulled a 1,268‑meter section from the Earth’s mantle during JOIDES Resolution Expedition 399, a milestone in Earth science. The mantle rocks show less pyroxene and more magnesium than expected, suggesting more melting in the mantle than previously thought and offering new clues about how magma forms and powers seabed volcanism. The findings also hint that olivine reacting with seawater could produce hydrogen, a potential piece of life’s origin puzzle. The team, led by Professor Johan Lissenberg, will continue analyses, with the study published in Science.

via Earth.com|

#earths-interior #iodp #mantle

science1 month ago•18 min saved

Oman’s buried 'ghost plume' warps Earth's inner layers without eruption

Scientists have identified a hidden mantle plume beneath eastern Oman, nicknamed the Dani plume, detected through seismic tomography. It rises through the mantle and heats rock enough to soften it but does not break through the crust or produce surface volcanism, classifying it as a 'ghost plume'. The plume extends at least 410 miles deep and about 125 miles wide, with a thermal signature that warps the mantle transition zone and even lifts surface terrain like Oman’s Salma Plateau. The researchers suggest such plumes can influence crustal motion (potentially nudging the Indian Plate about 40 million years ago) and may be part of a broader network of plumes connected to hotspots like Afar and Yellowstone, with implications for Earth's heat budget and deep‑Earth dynamics.

via Earth.com|

#earths-interior #ghost-plume #mantle-plume

science5 months ago•4 min saved

Scientists Discover Massive Unexplained Structures Beneath Africa

Scientists have discovered two massive structures beneath Africa and the Pacific, known as LLSVPs, which may be remnants of the ancient planet Theia that collided with Earth billions of years ago, potentially influencing Earth's geological activity and surface features.

via The Daily Galaxy|

#earths-interior #llsvps #planetary-remnants

science5 months ago•3 min saved

Massive Hot Blob Approaching NYC with Continental-Dividing Power

A study suggests a massive hot rock formation called the Northern Appalachian Anomaly is moving towards New York City from deep beneath the Earth's crust, potentially explaining aspects of Earth's geological history and continental movement, but it won't reach NYC for another 15 trillion years.

via AOL.com|

#continental-drift #earths-interior #geology

science5 months ago•4 min saved

China Begins Drilling Six Miles Into the Earth

China is drilling a 6-mile-deep borehole in the Taklimakan Desert to study Earth's crust, tectonics, and ancient geological records, pushing the limits of drilling technology and expanding understanding of Earth's interior.

via Earth.com|

#china #deep-drilling #earths-interior

science5 months ago•3 min saved

Scientists Discover Massive Water Reservoir Hidden Deep Within Earth's Mantle

Scientists have discovered evidence suggesting that Earth's lower mantle may contain a massive, hidden water reservoir, potentially larger than all surface oceans combined, stored within mineral structures like bridgmanite, which could significantly impact our understanding of Earth's water cycle, planetary formation, and geological processes.

via The Daily Galaxy|

#earths-interior #geology #mantle-hydration

science5 months ago•4 min saved

Hidden Earth Structures and Their Role in Our Planet's Origins

A new study suggests that the two massive structures beneath Earth's surface, known as LLSVPs, are remnants of the planet's early magma ocean, formed by chemical interactions with the core during Earth's formation, which could reshape our understanding of Earth's deep interior and its habitability.

via The Daily Galaxy|

#earths-interior #geochemistry #llsvps

science7 months ago•4 min saved

Scientists Discover Enormous Hole in Indian Ocean

Scientists have uncovered new insights into the Indian Ocean Geoid Low, the largest gravity hole on Earth, linking it to mantle processes such as sinking slabs and rising plumes originating from deep within Earth's mantle, which have evolved over millions of years and are influenced by interactions with the African hotspot and mantle structures like the LLSVP.

via Indian Defence Review|

#earths-interior #gravity-anomaly #indian-ocean-geoid-low

science7 months ago•5 min saved

Scientists Uncover Massive 'Gravity Hole' in Indian Ocean and Its Cause

Scientists have identified the cause of the Indian Ocean Geoid Low, a large gravity anomaly, as deep mantle processes involving ancient subducted slabs and buoyant plumes beneath Africa, which have reshaped Earth's gravity field over the past 20 million years.

via Earth.com|

#earths-interior #geoid-low #gravity-anomaly

science7 months ago•3 min saved

Satellites Uncover Mysterious Deep Earth Gravity Signal

Researchers analyzing data from the GRACE satellites discovered a mysterious gravity signal off the coast of Africa that lasted for about two years, likely caused by a previously unknown geological process involving a phase transformation in Earth's lower mantle, revealing the planet's complex internal dynamics.

via Live Science|

#deep-mantle #earths-interior #geological-process

science7 months ago•2 min saved

Scientists Detect Massive Internal Shift Within the Earth

Scientists analyzing data from NASA's GRACE satellites discovered evidence of a massive shift deep within the Earth's interior near the core-mantle boundary, possibly caused by changes in mantle minerals like perovskite, which may have influenced Earth's magnetic field and caused a geomagnetic jerk around 2007. They plan to use data from the follow-up GRACE-FO mission to further investigate these deep Earth processes.

via Futurism|

#core-mantle-boundary #earths-interior #geomagnetic-field

science7 months ago•4 min saved

NASA Detects 7,000-Km Gravity Anomaly and Geomagnetic Jerk Over Atlantic

Researchers using NASA's GRACE data discovered a 7,000 km gravity anomaly over the Atlantic, potentially linked to a 'geomagnetic jerk' caused by rapid mass redistributions deep within Earth's mantle, possibly at the core-mantle boundary, indicating complex interactions between Earth's interior and magnetic field.

via IFLScience|

#earths-interior #geomagnetic-jerk #grace

science8 months ago•2 min saved

Satellites Uncover Secrets of Earth's Core Changes

Satellites have revealed mysterious changes near Earth's core, suggesting a transformation in deep underground rocks that may be causing the core to leak, providing new insights into Earth's internal structure and its effects on seismic activity and magnetic field.

via Nature|

#earths-core #earths-interior #geophysics

science9 months ago•7 min saved

Hot Rock Blob Under New Hampshire May Be Behind Appalachian Mountains' Rise

A large, hot rock anomaly beneath New Hampshire, called the Northern Appalachian Anomaly, may explain the uplift and stability of the Appalachian Mountains and is moving towards New York over the next 15 million years, offering new insights into Earth's deep geological processes.

via yahoo.com|

#appalachian-mountains #earths-interior #geology

science9 months ago•7 min saved

Mysterious Hot Blob Beneath Eastern US Moving Toward New York

A hot rock blob beneath New Hampshire, called the Northern Appalachian Anomaly, may explain the uplift of the Appalachian Mountains and is linked to ancient continental rifting, with its movement predicted to reach New York in 15 million years. This thermal anomaly, formed from mantle processes related to past tectonic events, influences Earth's surface features and deep geological activity.

via CNN|

#earths-interior #geology #mountain-uplift