Ridgeward Flow of Compositionally Heterogeneous Mantle Produces Near-Ridge Seamount Chains in the South Pacific

Study on the Origin of Near-Ridge Seamount Chains in the South Pacific Academic Background Seamount chains in the ocean have long been considered products of mantle plume activity, such as the famous Hawaiian-Emperor seamount chain. However, most seamounts in the Pacific Ocean do not exhibit age progression and are relatively small in volume, sugge...

Opening of the North Atlantic Ocean and the Rise of Scandinavian Mountains

The Opening of the North Atlantic Ocean and the Rise of the Scandinavian Mountains Academic Background The Scandinavian Mountains (Scandes) are a significant geomorphological feature in northern Europe, but their formation mechanism has long remained a mystery. Traditionally, mountain formation is associated with convergent plate boundaries. Howeve...

Pulse of Intense Oxidative Weathering During the Latest Paleoproterozoic

Research Report on the Pulse of Intense Oxidative Weathering During the Latest Paleoproterozoic Academic Background The level of atmospheric oxygen on Earth has a profound impact on the ecology and biogeochemical functioning of marine ecosystems. The Great Oxidation Event (GOE), which occurred approximately 2.5 to 2.2 billion years ago, marked a si...

Phanerozoic Emergence of Global Continental Collision and Onset of Massive Crustal Eclogitization

The Emergence of Global Continental Collision and the Onset of Massive Crustal Eclogitization Academic Background The evolution of Earth’s crust is closely related to the development of plate tectonics, particularly the compositional changes in continental crust, which provide key evidence for understanding the evolution of plate tectonics. However...

Sediment Supply Variation Control on Lower Eocene Delta Sequences (Tremp Basin, Spain)

Control of Sediment Supply Variations on Lower Eocene Delta Sequences Academic Background In geological research, the formation of depositional sequences is often attributed to changes in accommodation space, while variations in sediment supply are frequently overlooked. However, changes in sediment supply may play a significant role in the formati...