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Guangdong China
Evolutionary history of the groundwater system in the Pearl River Delta (China) during the Holocene
Episodic magmatism in the Lianhuashan tectonic belt: Implications for late Mesozoic crustal reworking in SE South China
Seismic Monitoring of Machinery through Noise Interferometry of Distributed Acoustic Sensing
Nanostructure reveals REE mineral crystallization mechanisms in granites from a heavy REE deposit, South China
Holocene East Asian Summer Monsoon Variation Recorded by Sensitive Grain Size Component from the Pearl River-Derived Mud in the Northern South China Sea
Early Cretaceous ocean-island basalt-type magmatism in northern Guangdong: implications for lithospheric thinning in the South China Block
Heat Generation and Accumulation for Hot Dry Rock Resources in the Igneous Rock Distribution Areas of Southeastern China
FEASIBILITY OF VISIBLE SHORT-WAVE INFRARED REFLECTANCE SPECTROSCOPY TO CHARACTERIZE REGOLITH-HOSTED RARE EARTH ELEMENT MINERALIZATION
Site splitting at M 3 in allanite-(Ce)
Decoupled elastic least-squares reverse time migration and its application in tunnel geologic forward prospecting
A new alligatoroid (Eusuchia, Crocodylia) from the Eocene of China and its implications for the relationships of Orientalosuchina
Abstract Northern Hainan Island and the Leizhou Peninsula volcanic fields (Leiqiong), the southernmost continental Cenozoic volcanism in China, cover an area of c. 8000 km 2 with 177 volcanoes recognized. Far from the subduction areas, volcanoes in this area provide an ideal opportunity to study the geodynamics of intraplate volcanoes. Here, we review the geochronological and geochemical data of the volcanic rocks in Leiqiong volcanic fields, and discuss their magma sources and geodynamics on the basis of the geological and geophysical observations. Chronological data (34.78–0.01 Ma) show that the volcanic activities started approximately in the Miocene and continued to the Quaternary. These basalts show typical geochemical characteristics of oceanic island basalts, and tomographic images reveal that a mantle plume is situated beneath Hainan Island and extends down to the core–mantle boundary. Thus, we suggest that the Hainan mantle plume is responsible for the Cenozoic volcanism in Leiqiong volcanic fields and this plume is sourced from the lower mantle with additions of dehydrated slab fragments. These mixed plume materials were brought to the upper mantle and produce solid pyroxenites, which are the major source of Leiqiong magmas. Although there is no documental record of volcanic eruptions in Leiqiong volcanic fields, the volcanic danger cannot be neglected.