Związki chemizmu skał wulkanicznych i wód podziemnych w okolicach Sokołowska

Authors

  • Dariusz Dobrzyński xxxx

Abstract

Przy użyciu programu komputerowego WATEQF określono stan równowagi chemicznej wód wypływających ze skał wulkanicznych. Ustalono, iż rozpuszczalności pierwiastków są kontrolowane przez następujące fazy mineralne: glin - wodorotlenki (Al(OH)3 gibbsyt, bemit), illit, haloizyt, montmorillonit wapniowy, muskowit; krzem - kwarc oraz wymienione dla glinu krzemiany warstwowe; wapń - kalcyt, montmorillonit wapniowy; potas - illit, muskowit; żelazo - Fe(OH)3. Stwierdzono związki między składem chemicznym wodonośców (trachybazalty, tufy ryolitowe) a koncentracjami wapnia, sodu, potasu i krzemionki w wodach.. RELATIONS BETWEEN CHEMISTRY OF VOLCANIC ROCKS AND GROUNDWATER IN THE VICINITIES OF SOKOŁOWSKO The studies covered spring waters flowing out of Rotliegendes volcanic rocks (trachybasalts, latites, rhyolite tuffs, and ignimbrites) in the vicinities of Sokołowsko near Wałbrzych (Intra-Sudetic Basin).Chemical disequilibrium indices were calculated for the waters using computer program WATEQF.Subsequently, stability of minerals in subsurface zone and origin of individual components of the waters were determined on the basis of results of analyses of solubility of ions and petrographic studies on volcanic rocks.The studies showed solubility of elements to be controlled by the following mineral phases: aluminium-hydroxides Al(OH)3, gibbsite, boehmite), illite, halloysite, Ca-montmorillonite, muscovite;silica-quartz and the above mentioned layered silicates of aluminium; calcium-calcite, Ca-montmorillonite; potassium - illite, muscovite; iron - Fe( OH)3.Concentrations of calcium, sodium, potassium, and silica in the studied waters appeared clearly related to chemical composition of aquifers (trachybasalts, rhyolite tuffs). The waters are characterized by low mineralization and undersaturation in relation to the majority of the analysed mineral phases, which may be explained by a short contact of the waters and rock medium. 

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Published

2013-04-08

Issue

Vol. 30 No. 1 (1986)

Section

Articles

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