Special Issue "Geochemistry of Travertines and Calcareous Tufas"
Deadline for manuscript submissions: closed (30 April 2023) | Viewed by 11255
Interests: stable and radiogenic isotopes; environmental geochemistry
Travertine and calcareous tufa are lithological terms generally used to describe continental carbonates, forming in a subaerial environment by precipitation of calcite/aragonite from waters ranging in temperature from ambient to boiling, around groundwater seepages, springs, and along streams and rivers. These deposits exist across all continents, some of them are confined to small, local discharge aprons below spring emergences, whereas others cover extensive areas and form impressive structures (e.g., Tivoli in Italy, Pamukkale in Turkey, Mammoth Hot Springs in USA, Plitvice in Croatia). Travertine and calcareous tufa are complex systems, which are generally investigated using a multidisciplinary approach: geochemistry (elemental and isotope compositions, dating), meso- and macro-scale morphological observations, mineralogy, petrography, and sedimentology, analysis of biotic content, that aim to elucidate travertine and tufa formation processes, environments, depositional models, and their subsequent history (diagenesis). The active carbonates depositing systems are natural laboratories, where it is possible to study the geochemical characteristics of forming-travertine/tufa and their parent waters. Fossil deposits are important terrestrial archives that may record past climate, environmental changes, neotectonic activity, hydrological–hydrothermal circulations; and indicate possible locations of geothermal resources or contribute to define the carbon cycle.
For this Special Issue, we invite you to publish your contributions related to travertine, calcareous tufa and related sediments (e.g., lacustrine carbonates, calcrete), fossils, and/or active deposits, with special focus on their mineralogy, major and trace element compositions, stable isotopes (oxygen, carbon, strontium), and radioisotopes (radiocarbon, uranium series). Contributions related to geochemistry of waters from which carbonate precipitates are also welcome.
Dr. Francesca Giustini
Dr. Mauro Brilli
Manuscript Submission Information
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- continental carbonates
- calcareous tufa
- stable isotope
- elemental composition