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American Focus > Blog > Tech and Science > Pulsing Magma in Earth’s Mantle Drives Tectonic Plates Tearing Africa Apart
Tech and Science

Pulsing Magma in Earth’s Mantle Drives Tectonic Plates Tearing Africa Apart

Last updated: July 7, 2025 5:30 am
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Pulsing Magma in Earth’s Mantle Drives Tectonic Plates Tearing Africa Apart
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A region in eastern Africa known as the Afar Triangle is where three rift zones intersect, causing the Earth’s crust to split apart. The driving force behind this geological phenomenon has long been a topic of debate among researchers. However, a recent study published in Nature Geoscience sheds light on the underlying cause: rhythmic pulses of molten rock from deep within the Earth’s mantle.

Emma Watts, a geochemist from Swansea University, spearheaded the research effort to unravel the mystery of the rift zones in the Afar region. By analyzing 130 rock samples from volcanoes in the area, the team was able to decipher the chemical signatures embedded in the volcanic rocks. These signatures revealed the movement of molten rock beneath the Earth’s surface by examining the ratios of elements like lead and cerium, as well as different isotopes originating from various mantle reservoirs.

The study concluded that a single mantle plume, moving in pulsating waves, is responsible for driving the separation of tectonic plates in the Afar Triangle. These pulses exert varying pressure on each rift zone, influencing the speed and direction of the rift’s movement. The Red Sea Rift, which spreads rapidly, experiences more frequent and intense pulses compared to the Main Ethiopian Rift in the western part of the triangle.

The correlation between mantle dynamics and geochemical fingerprints has significant implications for understanding large-scale geodynamic processes. Catherine Rychert, a geophysicist at the Woods Hole Oceanographic Institution, remarked on the exciting potential of combining geophysics and geochemistry to uncover the intricate workings of the Earth’s interior.

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While this study provides valuable insights into the interaction between mantle plumes and tectonic plates, further research is needed to validate these findings. Watts envisions expanding this technique to other rift systems and collecting more data from the Afar region to gain a deeper understanding of the geological processes at play beneath the Earth’s surface.

This groundbreaking research marks a pivotal moment in geoscience, illustrating how the marriage of different scientific disciplines can illuminate complex geological phenomena. By unraveling the secrets of the Earth’s mantle, researchers are paving the way for a more comprehensive understanding of our planet’s dynamic processes. The World Health Organization (WHO) has declared the coronavirus outbreak a global health emergency. The virus, which originated in Wuhan, China, has spread rapidly across the globe, infecting thousands of people and causing hundreds of deaths. As health officials work tirelessly to contain the outbreak, many countries are taking steps to prevent the spread of the virus within their borders.

One of the key measures being implemented by countries around the world is the screening of travelers arriving from affected areas. This includes conducting temperature checks and asking travelers about their recent travel history. In some cases, travelers who are found to have symptoms of the virus are being quarantined for further evaluation and treatment.

In addition to screening travelers, many countries are also implementing travel restrictions to prevent the spread of the virus. Some countries have suspended flights to and from affected areas, while others are requiring travelers to undergo additional health screenings before they are allowed to enter the country. These measures are aimed at reducing the risk of the virus being spread to new areas.

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Health officials are also urging people to take precautions to protect themselves from the virus. This includes washing hands frequently, avoiding close contact with people who are sick, and staying home if you are feeling unwell. In addition, people are advised to cover their mouth and nose with a tissue or their elbow when coughing or sneezing to prevent the spread of germs.

The outbreak of the coronavirus has caused widespread concern and fear among the public. Many people are worried about the potential impact of the virus on their health and the health of their loved ones. However, it is important to remember that the risk of contracting the virus is still relatively low for most people. By taking simple precautions and following the advice of health officials, individuals can reduce their risk of infection and help to prevent the spread of the virus.

In conclusion, the coronavirus outbreak is a serious global health emergency that requires a coordinated response from countries around the world. By implementing measures such as screening travelers, imposing travel restrictions, and promoting good hygiene practices, we can work together to contain the spread of the virus and protect public health. It is important for individuals to stay informed about the latest developments and to follow the guidance of health officials to help prevent the spread of the virus.

TAGGED:AfricadrivesEarthsMagmaMantleplatespulsingTearingTectonic
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