The evolution of the Caribbean plate has resulted in formation volcanic arcs, Large Igneous Province (CLIP) and micro-plates across boundary zones. northern with North American been particularly segmented transition from oblique subduction to collision moving east west. However, there are few constraints on seismic structure upper mantle boundary. Here we use S-to-P receiver functions map veloc...

By the H-к stacking of receiver functions and splitting Pms phases, using seismic data from Regional Seismic Network Huanan Array, a high-resolution temporary array deployed for 2 years in study area. This revealed strong lateral heterogeneity crustal structures central South China block. Crustal thickness reduces northwest to southeast, with significant differences across boundary sub-blocks. ...