The Geology of Upper Baleh River, Kapit, Sarawak
DOI:
https://doi.org/10.33736/bjrst.1220.2018Abstract
Geological mapping of the proposed Baleh National Park, Sarawak was conducted during the Heart of Borneo Expedition in Mid November 2015 with Institute of Biodiversity and Environmental Conservation, Universiti Malaysia Sarawak. A geological map of the study area is compiled together with maps of the previous studies. The proposed Baleh National Park is made up of plateau and mountain chains. The topography of the study area is closely related to the geology. The plateau is underlain by the volcanic rocks which consists predominantly of tuff and dacitic rocks with scattered agglomerate, while the mountain chains are the ridges which striking east-west direction are underlain by slate interbedded with siltstone, sandstone and mud clast conglomerate of the Layar Member. The Layar Member of the Belaga Formation is suit of deep ocean marine deposits during the Late Cretaceous [100.5–66 million years ago (ma)]. The plateau of the Bukit Tiban was formed as a result of the volcanic eruption during the Late Miocene (11.6–5.3 ma). Several interesting geoheritage sites were observed in the study area.
Keywords: Bukit Tiban, columnar joints, dacite, geoheritage, Layar Member
References
Banda, R. M. (1990). The geology and planktic foraminiferal biostratigraphy of the northwest Borneo Basin, Sarawak, Malaysia. Thesis of PhD, University Tsukuba, Japan.
Banda, R.M. (1992). Progress Report: Geological Mapping, Bukit Batu Tiban Area. Proceeding of the 23rd Annual Geological Conference 1992, Technical Papers, Pp 118-125.
Brocx, M., & Semeniuk, V. (2007). Geoheritage and geoconservation: history, definition, scope and scale. Journal of the Royal Society of Western Australia, 90: 53-87
Geological Society of America. (2011). Geoheritage. http://www.geosociety.org. Downloaded 1 December 2018.
Haile, N.S., Lam, S.K., & Banda, R.M. (1994). Relationship of gabbro and pillow lavas in the Lupar Formation, West Sarawak; implications for interpretation for the Lubok Antu Melange and the Lupar Line. Bulletin of the Geological Society of Malaysia, 36: 1-9.
Hutchison, C.S. (2005). Geology of North West Borneo, Sarawak, Brunei and Sabah. UK: Elsevier, Pp 67-80.
https://doi.org/10.1016/B978-044451998-6/50007-7
Liechti, P., Roe, F.W., & Haile N.S. (1960). The Geology of Sarawak, Brunei and the western part of North Borneo, British Territories of Borneo, Geological Survey Department, Bulletin no. 3, Pp 360.
Tan, D. N. K., Kho, C. H., & Hon. V. (1980). Regional geology, Sarawak. Geological Survey Malaysia Annual Report 1979, Pp 97-118.
Downloads
Published
How to Cite
Issue
Section
License
Copyright Transfer Statement for Journal
1) In signing this statement, the author(s) grant UNIMAS Publisher an exclusive license to publish their original research papers. The author(s) also grant UNIMAS Publisher permission to reproduce, recreate, translate, extract or summarize, and to distribute and display in any forms, formats, and media. The author(s) can reuse their papers in their future printed work without first requiring permission from UNIMAS Publisher, provided that the author(s) acknowledge and reference publication in the Journal.
2) For open access articles, the author(s) agree that their articles published under UNIMAS Publisher are distributed under the terms of the CC-BY-NC-SA (Creative Commons Attribution-Non Commercial-Share Alike 4.0 International License) which permits unrestricted use, distribution, and reproduction in any medium, for non-commercial purposes, provided the original work of the author(s) is properly cited.
3) For subscription articles, the author(s) agree that UNIMAS Publisher holds copyright, or an exclusive license to publish. Readers or users may view, download, print, and copy the content, for academic purposes, subject to the following conditions of use: (a) any reuse of materials is subject to permission from UNIMAS Publisher; (b) archived materials may only be used for academic research; (c) archived materials may not be used for commercial purposes, which include but not limited to monetary compensation by means of sale, resale, license, transfer of copyright, loan, etc.; and (d) archived materials may not be re-published in any part, either in print or online.
4) The author(s) is/are responsible to ensure his or her or their submitted work is original and does not infringe any existing copyright, trademark, patent, statutory right, or propriety right of others. Corresponding author(s) has (have) obtained permission from all co-authors prior to submission to the journal. Upon submission of the manuscript, the author(s) agree that no similar work has been or will be submitted or published elsewhere in any language. If submitted manuscript includes materials from others, the authors have obtained the permission from the copyright owners.
5) In signing this statement, the author(s) declare(s) that the researches in which they have conducted are in compliance with the current laws of the respective country and UNIMAS Journal Publication Ethics Policy. Any experimentation or research involving human or the use of animal samples must obtain approval from Human or Animal Ethics Committee in their respective institutions. The author(s) agree and understand that UNIMAS Publisher is not responsible for any compensational claims or failure caused by the author(s) in fulfilling the above-mentioned requirements. The author(s) must accept the responsibility for releasing their materials upon request by Chief Editor or UNIMAS Publisher.
6) The author(s) should have participated sufficiently in the work and ensured the appropriateness of the content of the article. The author(s) should also agree that he or she has no commercial attachments (e.g. patent or license arrangement, equity interest, consultancies, etc.) that might pose any conflict of interest with the submitted manuscript. The author(s) also agree to make any relevant materials and data available upon request by the editor or UNIMAS Publisher.
