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Full-Text Articles in Physical Sciences and Mathematics
Consumed Tectonic Plates In Southeast Asia: Markers From The Mesozoic To Early Cenozoic Stratigraphic Units In The Northern And Central Philippines, Karlo L. Queaño, Graciano P. Yumul Jr, Edanjarlo J. Marquez, Jillian Aira Gabo-Ratio, Betchaida D. Payot, Carla B. Dimalanta
Consumed Tectonic Plates In Southeast Asia: Markers From The Mesozoic To Early Cenozoic Stratigraphic Units In The Northern And Central Philippines, Karlo L. Queaño, Graciano P. Yumul Jr, Edanjarlo J. Marquez, Jillian Aira Gabo-Ratio, Betchaida D. Payot, Carla B. Dimalanta
Environmental Science Faculty Publications
Tectonic reconstruction models of Southeast Asia all invoke in the early Cenozoic the collision of Mesozoic oceanic plates, which have been fragmented, consumed along subduction zones or emplaced onto the overriding plate. However, with marked variations in these models, we reinvestigate the tectonic evolutionary landscape of Southeast Asia through the lens of Philippine geology. In particular, we present revisions to the more recent models by adopting the unique approach of integrating data that we have gathered for the past 17 years from the Upper Mesozoic to Lower Cenozoic stratigraphic formations in northern and central Philippines. These formations, which resulted mainly …
Mesozoic Rock Suites Along Western Philippines: Exposed Proto-South China Sea Fragments?, Graciano P. Yumul Jr, Carla B. Dimalanta, Jillian Aira Gabo-Ratio, Karlo L. Queaño, Leo T. Armada, Jenielyn T. Padrones, Decibel V. Faustino-Eslava, Betchaida D. Payot, Edanjarlo J. Marquez
Mesozoic Rock Suites Along Western Philippines: Exposed Proto-South China Sea Fragments?, Graciano P. Yumul Jr, Carla B. Dimalanta, Jillian Aira Gabo-Ratio, Karlo L. Queaño, Leo T. Armada, Jenielyn T. Padrones, Decibel V. Faustino-Eslava, Betchaida D. Payot, Edanjarlo J. Marquez
Environmental Science Faculty Publications
An ancient oceanic crustal leading edge east of mainland Asia, the proto-South China Sea crust, must have existed during the Mesozoic based on tectonic reconstructions that accounted for the presence of subducted slabs in the lower mantle and the exposed oceanic lithospheric fragments strewn in the Philippine and Bornean regions. Along the western seaboard of the Philippine archipelago, numerous Mesozoic ophiolites and associated lithologies do not appear to be genetically associated with the younger Paleogene-Neogene ocean basins that currently surround the islands. New sedimentological, paleomagnetic, paleontological, and isotopic age data that we generated are presented here, in combination with our …