Magnetic susceptibility and heavy metals in guano from South Sulawesi caves

Rifai, H., Putra, R., Fadila, M.R., Erni, E., and Wurster, C.M. (2018) Magnetic susceptibility and heavy metals in guano from South Sulawesi caves. In: IOP Conference Series: Materials Science and Engineering (335) 012001. From: ICOMSET 2017: 2nd International Conference on Mathematics, Science, Education and Technology, 5-6 October 2017, Padang, Indonesia.

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Abstract

Measurement of some magnetic properties have been performed on vertical profile from South Sulawesi caves (Mampu and Bubau) by using low cost, rapid, sensitive and non destructive magnetic method. The aim is to attempt to use magnetic characters as a fingerprint for anthropogenic pollution in the caves. Guano samples were collected every 5 cm at a certain section of Mampu and Bubau cave, South Sulawesi, starting from surface through 300 cm in depth of mampu Cave and 30 cm of Bubau Cave. The magnetic parameters such as magnetic susceptibility and percentage frequency dependence susceptibility were measured using the Bartington MS2-MS2B instruments and supported by X-Ray Fluoroscence (XRF) to know their element composition. The results show that the samples had variations in magnetic susceptibility from 3.5 to 242.6 x 10(-8) m(3)/kg for Mampu Cave and from 8.6 to 106.5 x 10(-8) m(3)/kg for Bubau Cave and also magnetic domain. Then, the XRF results show that the caves contain several heavy metals. Magnetic and heavy metal analyses showing that the magnetic minerals in caves are lithogenic (Fe bearingminerals) in origin and anthropogenic (Zn content) in the caves.

Item ID: 54586
Item Type: Conference Item (Research - E1)
Copyright Information: Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
Date Deposited: 18 Jul 2018 07:45
FoR Codes: 04 EARTH SCIENCES > 0402 Geochemistry > 040299 Geochemistry not elsewhere classified @ 100%
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