International scientists make refined map of world’s ‘8th continent’ Zealandia

A dedicated team of international geologists and seismologists has embarked on a mission to chart the depths of Zealandia, a relatively unknown landmass submerged beneath the Pacific Ocean. Their efforts have resulted in the creation of an updated and highly detailed map that sheds light on the continent’s intriguing geological features.

Where in the World is Zealandia?

Zealandia, often referred to as the eighth continent, remains shrouded in oceanic mystery, with a staggering 94% of its expanse concealed beneath the sea’s surface. The remaining 6% peeks above the waves, encompassing islands such as New Zealand and its neighboring isles.

The geological history of Zealandia dates back approximately 83 million years when volcanic forces played a pivotal role in the separation of the supercontinent Gondwana, giving rise to the continents we recognize today.

International scientists make refined map of world’s ‘8th continent’ Zealandia

Unveiling the Cartographic Marvel

Creating the refined map of Zealandia was no small feat. The research team embarked on a comprehensive journey, utilizing an array of methodologies to illuminate this submerged realm. Here’s how they did it:

1. Oceanic Rock Samples and Sediments

To refine the existing maps, the scientists meticulously examined rock samples and sediment specimens collected from the ocean floor. These valuable materials were acquired through drilling operations and coastal expeditions within the region.

2. Seismic Data Analysis

The research journey extended beyond rock samples. The team delved into seismic data gathered from the Zealandia area, further enhancing their understanding of its geological makeup.

3. Mapping the Entire Continent

With these essential resources at their disposal, the scientists embarked on the monumental task of mapping Zealandia in unprecedented detail. This submerged continent spans a vast 5 million square kilometers.

Unlocking Geological Secrets

The examination of the samples uncovered intriguing geological patterns in Western Antarctica, hinting at the presence of a potential subduction zone near Campbell Plateau on New Zealand’s western coast. Despite this revelation, magnetic anomalies in the region did not disprove theories of a strike-slip along the Campbell Fault.

The scientists proposed that the Campbell Magnetic Anomaly System originated from the stretching of Gondwana as it underwent a process of fragmentation. This stretching ultimately led to a significant rupture, resulting in the creation of the ocean floor that now constitutes the lower portions of Zealandia.

More Sci-Tech News Here

 

 

Piyush Shukla

Recent Posts

Indian Oil Welcomes Arvindar Singh Sahney as New Chairman

Arvindar Singh Sahney has been appointed as the new chairman of Indian Oil Corporation (IOC),…

12 hours ago

List of Chief Justice of India from 1950-2024

Chief Justice of India The Chief Justice of India (CJI) is the highest-ranking judge and…

13 hours ago

MHA Greenlights CISF’s First All-Women Unit

The Ministry of Home Affairs (MHA) has approved the creation of the Central Industrial Security…

13 hours ago

Aravindh Chithambaram Clinches Masters Title at Chennai Grandmasters 2024

GM Aravindh Chithambaram made a remarkable late surge in the final rounds, winning the last…

13 hours ago

PM Modi’s Three-Nation Visit: G20 Summit in Brazil, Nigeria, and Guyana (Nov 16-21)

Prime Minister Narendra Modi is set to undertake a crucial three-nation tour from November 16-21,…

14 hours ago

New Bike Taxi Service by Delhi Metro Includes Women-Driven Rides

Delhi Metro has introduced a new bike taxi service, available for booking through the official…

14 hours ago