The influence of recharge water on fissure-filling minerals; a study from Klipperas, southern Sweden

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doi: 10.1016/0009-2541(89)90099-5
Authors:Tullborg, Eva-Lena
Author Affiliations:Primary:
Swed. Geol. Co., Goteborg, Sweden
Volume Title:Water-rock interaction
Volume Authors:Grönvold, Karl, editor
Source:Chemical Geology, 76(3-4), p.309-320; Fifth international symposium on Water-rock interaction, Reykjavik, Iceland, Aug. 8-17, 1986, edited by Karl Grönvold. Publisher: Elsevier, Amsterdam, Netherlands. ISSN: 0009-2541
Publication Date:1989
Note:In English. 20 refs.; illus. incl. 4 tables, charts, geol. sketch map
Summary:The area investigated can be subdivided into blocks with different hydraulic character and fracture frequency. A fissure-filling study has been carried out within the area. This includes identification of minerals, mineral frequency, textures within the fissures and isotope analyses of calcite. Several fracture zones have been re-activated. It is also suspected that relatively late movements have taken place, causing crushing of the rock. Only a slight cementation of the crushed material is visible. Some of the fracture zones correspond to mafic dikes. These zones exhibit lower hydraulic conductivity than other zones due to fracture sealing by clay minerals but also by chlorite and calcite. In accordance with this, the stable-isotope analyses of calcites show that fractures within the basic dikes are less affected by low temperature-meteoric water than fracture calcites in the surrounding rocks at Klipperas.—Modified journal abstract.
Subjects:Bedrock; C-13/C-12; Calcite; Carbon; Carbonates; Distribution; Engineering geology; Epidote; Epidote group; Fractures; Framework silicates; Geochemistry; Granites; Ground water; Hydraulic conductivity; Hydrochemistry; Igneous rocks; Isotopes; Mica group; Minerals; Movement; Muscovite; O-18/O-16; Orthosilicates; Oxygen; Paragenesis; Plutonic rocks; Precipitation; Processes; Quartz; Radioactive waste; Reactivation; Recharge; Sheet silicates; Silica minerals; Silicates; Sorosilicates; Stable isotopes; Surveys; Veins; Waste disposal; Europe; Scandinavia; Smaland; Sweden; Varmland Sweden; Western Europe; Klipperas; Southern Sweden
Record ID:1989081811
Copyright Information:GeoRef, Copyright 2018 American Geosciences Institute.
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