Detrital zircon provenance of the Late Triassic Songpan-Ganzi complex: Sedimentary record of collision of the North and South China blocks

Weislogel, A. L.; Graham, S. A.; Chang, E. Z.; Wooden, J. L.; Gehrels, G. E.; Yang, H.

Abstract:

Using detrital zircon geochronology, turbidite deposystems fed from distinct sediment sources can be distinguished within the Songpan-Ganzi complex, a collapsed Middle to Late Triassic turbidite basin of central China. A southern Songpan-Ganzi deposystem initially was sourced solely by erosion of the Qinling-Dabie orogen during early Late Triassic time, then by Qinling-Dabie orogen, North China block, and South China block sources during middle to late Late Triassic time. A northern Songpan-Ganzi system was sourced by erosion of the Qinling-Dabie orogen and the North China block throughout its deposition. These separate deposystems were later tectonically amalgamated to form one complex and then uplifted as the eastern Tibet Plateau. ?? 2006 Geological Society of America.

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Article

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70031136

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Weislogel, A. L.; Graham, S. A.; Chang, E. Z.; Wooden, J. L.; Gehrels, G. E.; Yang, H.

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100

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English

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Geology

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Detrital zircon provenance of the Late Triassic Songpan-Ganzi complex: Sedimentary record of collision of the North and South China blocks; 2006; Article; Journal; Geology; Weislogel, A. L.; Graham, S. A.; Chang, E. Z.; Wooden, J. L.; Gehrels, G. E.; Yang, H.