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Thenardite mineralizations of cayirhan sulfate occurrences in Ankara, Turkey: Investigation of paragenesis and formation mechanisms

  • T. Aykan Kepekli
  • , Mehmet Maral
  • , Didem Maral
  • , Ayla Karalar
  • , L. Seda Günaçgün
  • , Fikret Suner
  • Istanbul Technical University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Preliminary investigation of mineralizations of Thenardite associated with sulfate occurrences in Çayi{dotless}rhan - Beypazari{dotless}, Ankara is presented. Local geology consists of Paleozoic metamorphite schists, Permo-triassic granitic rocks, Middle Jurassic - Upper Cretaceous limestones and marls in flysch facies, Paleocene aged land sedimentaries and marine Eocene units, Miocene to Pliocene aged lacustrine units, which sodium sulfates are associated to. Thenardite, Glauberite and Mirabilite minerals have been detected by XRD analysis. Thenardite formations have precipitated in small lakes during Pliocene in middle Anatolia. Ten thenardite samples have been investigated for Ca, Mg, Sr, K and Na elements in order to determine the geochemical properties of the mineralization. Petrographical and geochemical analyses show varying cycles and phases of mineral paragenesis, indicating sudden changes of evaporate precipitation history.

Original languageEnglish
Title of host publication10th International Multidisciplinary Scientific Geoconference and EXPO - Modern Management of Mine Producing, Geology and Environmental Protection, SGEM 2010
Pages603-610
Number of pages8
Publication statusPublished - 2010
Event10th International Multidisciplinary Scientific Geoconference and EXPO, SGEM 2010 - Varna, Bulgaria
Duration: 20 Jun 201026 Jun 2010

Publication series

Name10th International Multidisciplinary Scientific Geoconference and EXPO - Modern Management of Mine Producing, Geology and Environmental Protection, SGEM 2010
Volume1

Conference

Conference10th International Multidisciplinary Scientific Geoconference and EXPO, SGEM 2010
Country/TerritoryBulgaria
CityVarna
Period20/06/1026/06/10

Keywords

  • Ankara
  • Evaporates
  • Paragenesis
  • Sulfates
  • Thenardite

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