BIOZONA DELTA MAHAKAM MODERN BERDASARKAN KUMPULAN FORAMINIFERA BENTIK KECIL DAN POLEN KALIMANTAN TIMUR
Abstract
ABSTRAK
Lokasi penelitian terletak di Delta Mahakam, Kalimantan Timur. Sebanyak 83 sampel sedimen diambil dari 3 bagian delta, yaitu Delta Plain, Delta Front dan Distributary Channel. Analisis foraminifera bentik kecil dan polen dilakukan dengan metode kuantitatif. Selanjutnya, Analisis kluster digunakan dalam penentuan biozona Delta Mahakam. Hasil penelitian menunjukkan Delta Mahakam terbagi menjadi 4 biozona, yaitu Biozona I (Polen palmae) terletak di Delta Plain, Biozona II (Foraminifera “A”) dan Biozona III (Foraminifera “B”) terletak di Delta Front. Sementara itu, Biozona IV (Polen non mangrove) terletak di Delta Plain, Delta Front dan Distributary Channel. Berdasarkan pola penyebaran biozona, Bagian Utara Delta Mahakam mempunyai biozona yang lebih beragam dibandingkan dengan bagian Selatan Delta Mahakam.
Kata Kunci: Delta Mahakam, foraminifera bentik kecil, polen, biozona.
Keywords
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DAFTAR ACUAN
Bhattacharya, J.P. dan Walker, R.G.. 1992. Deltas. In Facies Models Response to Sea Level Change. Geological Association of Canada. Hal. 157.
Erdtman, G. 1966. Pollen Morphology and Plant Taxonomy. Hanfer Publishing Company, New York and London.
Huang dan Tseng-Chieng. 1972. Pollen flora of Taiwan. [Taipei] National Taiwan University, Botany Dept. Press.
Jurnaliah. L. dan Winantris. 2015. Distribusi Submikrofosil (Polen dan Foraminifera) Pada Delta Front Di Delta Mahakam, Kalimantan Timur. Vol. 13., No. 3. Desember 2015. Bulletin of Scientific Contribution. Hal. 169-181.
Lambert, B. 2003. Micropaleontological Investigations in The Modern Mahakam Delta, East Kalimantan (Indonesia). Notebooks on Geology: Article 2003/02. https: paleopolis.rediris.es/cg/CG2003_A02_B1/
Loeblich, A. R., dan Tappan, H., 1994. Foraminifera of the Sahul Shelf and Timor Sea. Special Publication no. 31. Cushman Foundation For Foraminiferal research Inc. Department of Invertebrate Paleontology. Harvard University. Cambridge, USA.
Murray, J. W. 2006. Ecology & Applications of Benthic Foraminifera. Cambridge University Press. UK; pp. 327-343.
Sowunmi, M.A. 1972. Pollen morphology of the palmae and its bearing on taxonomy. Review of Palaeobotany and Palynology,Volume 13, Issue 1, 1972, Pages 1-80, ISSN 0034-6667, https://doi.org/10.1016/0034-6667(72)90044-9.
Storms, J.E.A., Hoogendoorn, R.M., Dam, R.A.C., Hoitink, A.J.F., dan Kroonenberg, S.B. 2005. Late-Holocene evolution of the Mahakam delta, East Kalimantan, Indonesia.
Sun, Xiangjun, Li, Xun, Beug dan Hans-Jurgen. 1999. Pollen distribution in hemipelagic surface sediments of the South China Sea and its relation to modern vegetation distribution. Marine Geology, 156 (1). 211-226 doi:10.1016/s0025-3227(98)00180-7.
Supriatna, S., Sukardi dan Rustandi, E. 2011. Peta Geologi Lembar Samarinda, Kalimantan. Badan Geologi. Kementerian Energi dan Sumber Daya Mineral.
Van Marle, L.J., 1991. Eastern Indonesian Late Cenozoic Smaller Benthic Foraminifera. Amsterdam. Koninklijke Nederlandse Akademie van Wetenschappen (Afdeeling Natuurkunde, Eerste Reeks, No. 34).
Willard, D.A., Bernhardt, E.C., Weimer, L., Cooper, S.R., Gamez, D. dan Jensen, J. 2004. Atlas of pollen and spores of the Florida Everglades, Palynology, 28:1, 175-227, DOI: 10.1080/01916122.2004.9989597
Winantris, Syafri, I., dan Rahardjo, A.T. 2012. Oncosperma tigillarium Merupakan bagian Palino Karakter Delta Plain Di Delta Mahakam, Kalimantan. Bionatura-Jurnal Ilmu-Ilmu hayati dan Fisik. Vol. 14, No. 3, November 2012, hal. 228-236.
DOI: http://dx.doi.org/10.32693/jgk.19.2.2021.742
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