【摘要】 跨越中央隆起区的深反射地震探测试验剖面,初步揭露出青藏高原羌塘地体中央隆起区的地壳结构.探测剖面表明,羌塘地体可能具有古老的结晶基底;中央隆起区上地壳变形主要以逆冲、褶皱为主,下地壳出现北倾与南倾"对冲"的反射,揭示出印度和欧亚两大板块前缘汇聚的深部过程.更多还原

【Abstract】 A test of deep seismic reflection profiling across the central uplift or metamorphic belt of the Qiangtang terrane,Tibet Plateau,provides a first image of the crustal structure.There may be old crystalline basements in the Qiangtang terrane;Complex reflection patterns in the upper crust are interpreted as a series of folds and thrusts,and bivergent reflections in the lower crust may represent a convergence between the Indian and the Eurasian plates.更多还原