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All Journal Majalah Forum Teknik UGM Bulletin of Scientific Contribution : Geology Jurnal Ilmiah MTG Journal of Degraded and Mining Lands Management Journal of Geoscience, Engineering, Environment, and Technology Jurnal Penelitian Sains PROMINE Jambura Geoscience Review Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) BIOVALENTIA: Biological Research Journal Jurnal Universal Technic Journal of Geology Sriwijaya
Edy Sutriyono
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Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Mathematics Medicine & Pharmacology Physics Transportation

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Journal : Majalah Forum Teknik UGM

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Provenance Study and Tectonic Implications on Rock Sequences in The Lengguru Fold Belt of Western Papua: Constraints from Zircon Fission Track Thermochronology Edy Sutriyono
Forum Teknik Vol 27, No 2&3 (2003)
Publisher : Faculty of Engineering, Universitas Gadjah Mada

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Abstract

The present zircon fission track thermochronologt study reveals Triassic to Pliocene source terrains supplying clastic materials into the present successions in western Papua. The provenance of sedimentary rocks in the region appears to have associated with igneous activities, suggesting an episode of tectonic events in Mesozoic and Cenozoic. Importantly, the Pliocene Buru Formation in the Lengguru Fold Belt contains abundant Paleogene volcanic zircons, which might have been derived from erosion of the Weylond Terrane in the latest Miocene-Pliocene. This suggests the Weyland Terrane was part of the Paleogene 'Caroline Arc, that was eroded after Lute Miocene collision with the western Papua microcontinent. The main compressional pulse in the studied area occurred from -12-4 Ma. The deformation in the mountainous belt in western Papua from 4-0 Ma has been dominated by transpression. This transpressional regime continued in the fold belt, but with less convergence. Meanwhile, compression continued in the frontal part of the Lengguru Fold Belt, creating Pleistocene foldingfeatures such as the Buru Anticline, the Umar Anticline, and the Poronggo Anticline in the eastern Lengguru Fold Belt section. At the present day, transpression is occurring along theTarera'Aiduna Fault with ongoing uplift of the western Papua Fold Belt. However, extension and subsidence are occurring in the Lengguru Fold Belt southeast of Cendrawasih Bay.Keywords : sedimentary rocks, zircon fission, transpression
Co-Authors ambarisa, azizah okta Andrian, Fikri Astria Denita Budhi Setiawan Budhi Setiawan Devi Puspita Sari, Devi Puspita Eddy Ibrahim Gumanti, Johnnedy Gumanti, Johnnedy Gusti, Ugi Kurnia Harnani, Harnani Harnani, Harnani Heriani, Nova Lokon, Beskian Merri Jayanti Mochammad Malik Ibrahim Pebrianto, Rosihan Pramana, Alfaris Hadi Rahmadini, Sesaria Ramadhani, Jesica Nabilah Rastra, Rastra Yandra Satya Nugraha Rio Hanzra Adjie Pamungkas Salni Silaban, Ganda Tua Gilbert Suci Adelia Rahmawati Wioso, Yosaphat Bismo Zaid, Zaki Nurul Zainal, Pradana Arviano