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  •   SEAFDEC/AQD Institutional Repository Home
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Petrographic analysis of rocks and sediments around the seven lakes of San Pablo City, Laguna: Implications to sulfate distribution and provenance

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Date
2013
Author
Claveria, Rene Juna R.
Perez, Teresita R.
Tesorero, Jona Kristel V.
Pasaporte, Benica Joy D.
Bayugo, Gillian Mari S.
Page views
2,180
ASFA keyword
petrology ASFA
sediment ASFA
rock ASFA
sulphates ASFA
lakes ASFA
volcanoes ASFA
Volcanism
anthropogenic factors ASFA
sewage ASFA
algicides ASFA
fungicides ASFA
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Abstract
The seven lakes of San Pablo City are among the 20 small monogenetic volcanoes found at the Macolod Corridor of the Southwestern Luzon Volcanic Field. This study evaluated the relationship of sulfate distribution and provenance in sediments to the volcanic geology and origin of the lakes. Rock and sediment mineralogy indicated the absence of sulfursulfate bearing minerals. This is supported by the very low sulfate values in rocks from previous analyses. The elevated sulfate values (Fig. 1) previously noted in sediments, however, are not related to volcanism but are attributed to anthropogenic sources. Considered possible sources of sulfate are sewage, fertilizers, algicides, and fungicides.
URI
http://hdl.handle.net/10862/5863
Suggested Citation
Claveria, R. J. R., Perez, T. R., Tesorero, J. K. V., Pasaporte, B. J. D., & Bayugo, G. M. S. (2013). Petrographic analysis of rocks and sediments around the seven lakes of San Pablo City, Laguna: Implications to sulfate distribution and provenance. In M. L. C. Aralar, A. S. Borja, A. L. Palma, M. M. Mendoza, P. C. Ocampo, E. V. Manalili, & L. C. Darvin (Eds.), LakeCon2011: Building on the pillars of Integrated Lake Basin Management (Second National Congress on Philippine Lakes) (p. 308). Los Baños, Laguna, Philippines: PCAARRD-DOST.
Type
Conference paper
ISSN
1656-8099
Series
Summary of Proceedings No. 1/2013;
Collections
  • LakeCon2011 [30]


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