87Sr/86Sr ratios in thermal water from the southern Upper Rhine Graben, Germany

被引：0

作者：

Schmidt, Gerhard ^{[1
]}

Al Najem, Sami ^{[1
]}

Isenbeck-Schroeter, Margot ^{[1
]}

Freundt, Florian ^{[2
]}

Kraml, Michael ^{[3
]}

Aeschbach, Werner ^{[2
]}

机构：

[1] Heidelberg Univ, Inst Earth Sci, D-69120 Heidelberg, Germany

[2] Heidelberg Univ, Inst Environm Phys, D-69120 Heidelberg, Germany

[3] GeoThermal Engn GmbH, D-76133 Karlsruhe, Germany

来源：

15TH WATER-ROCK INTERACTION INTERNATIONAL SYMPOSIUM, WRI-15 | 2017年 / 17卷

关键词：

Rhine Graben; Thermal water; Deep fluids; Groundwater; Strontium isotopic ratios; GROUNDWATER;

D O I：

10.1016/j.proeps.2016.12.092

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

The present study of thermal water from Bad Bellingen, Steinenstadt, Bad Krozingen, Mooswald, and Weinheim located in the southern part of the Upper Rhine Graben was undertaken in the framework of a multidisciplinary hydrogeochemical research project and concerns Sr-87/Sr-86 isotope investigation. The aquifer lithologies of thermal waters are Triassic Upper Muschelkalk, Jurassic Hauptrogenstein and Tertiary Miocene sediments. The Sr-87/Sr-86 ratios (N=9) range from 0.70912 to 0.71096. The Sr isotopic composition of thermal water is controlled by the fault system of the Rhine Graben rift. Fluids from Upper Muschelkalk aquifers ascent along the Eastern Boundary fault zone. The deep-water ascent most likely reaches into the crystalline basement. (C) 2017 The Authors. Published by Elsevier B.V

引用

页码：364 / 367

页数：4

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