Rosyida Azzahro, Siti Zulaikah, Markus Diantoro, Pranitha Septiana Budi
Mangrove sediment has a unique environmental absorption characteristics, as it has two sources of sediment which are from allocthonous sediment and authochtonous sediment. In this research, the mangrove sediment samples are taken from Clungup Mangrove Conservation in Malang, East Java, Indonesia. The samples are taken from four spots around the mouth of the river, and four spots around mangrove conservation. Those samples are analyzed based on the magnetic characteristics and the element composition to reveal the magnetic properties and element composition so in the future they can be used as indicators to trace the source of magnetic minerals that are precipitated in the mangrove ecosystem. The magnetic susceptibility value based on mass for mangrove sediment around the river area h as the range of (38,8-2130)×10-8m3kg-1, while for the conservation area has the range of (0,97-122,5)×10-8m3kg-1. Based on XRF analysis, the mangrove sediment both from the river area and mangrove conservation area has a non-metallic element S, Br, metallic element Ca, Si, Al, K, Ti, Sr, and heavy metallic element Fe, Ni, Cu, Cr, Zn, Zr, Mn, and V, with the highest concentration of Fe element followed by Ca, Al, Si, and Ti. © 2017 Author(s).
Departement of Physics, Faculty of Mathematics and Natural Sicences, Universitas Negeri Malang (State University of Malang), Jl. Semarang No. 5, Malang, 65145, Indonesia
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