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Decker, John
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Journal : Berita Sedimentologi

Hydrocarbon Generation and Seepage in an Emerging Fold-and-Thrust Belt, Cenderawasih Bay, Indonesia Baillie, Peter William; Decker, John; Gilleran, Paul; Johnstone, Tanya; Orange, Daniel L.; Teas, Philip A.
Berita Sedimentologi Vol 51, No 1 (2025)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51835/bsed.2025.51.1.465

Abstract

Cenderawasih Bay, a triangular embayment located at the western end of the island of New Guinea, lies within the Eastern Indonesia region of complex and rapid neotectonics. In Cenderawasih Bay, the Yapen Fault marks the boundary between the oceanic Pacific plate and continental material of the Australia tectonic plate. A fold-and-thrust belt is developing in response to left-lateral strike-slip movements on the Yapen fault system. Geochemistry from sea bottom core samples the presence of an active petroleum system within the emerging fold-and-thrust belt.
Enigmatic Sulawesi: The tectonic collage Baillie, Peter; Decker, John
Berita Sedimentologi Vol 48, No 1 (2022)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3063.669 KB) | DOI: 10.51835/bsed.2022.48.1.388

Abstract

Sulawesi has a complex tectonic history that is affected by major plate re-organisations during the Cenozoic resulting in an extension-dominated setting in an overall setting of convergence of the Indo-Australian, Pacific and Philippine Sea, and Eurasian plates. It is a complex collage of disparate tectonic terranes brought into juxtaposition by a variety of tectonic processes which have occurred at very fast rates. The island is subject to a variety of geohazards related to earthquake and volcanic activity.