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Minerals
Special Issues
Feature Papers in Environmental Mineralogy and Biogeochemistry
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Feature Papers in Environmental Mineralogy and Biogeochemistry

A special issue of Minerals (ISSN 2075-163X). This special issue belongs to the section "Environmental Mineralogy and Biogeochemistry".

Deadline for manuscript submissions: closed (31 December 2019) | Viewed by 5526

Special Issue Editors

Prof. Dr. Karen Hudson-Edwards

E-Mail Website
Guest Editor
Environment & Sustainability Institute and Camborne School of Mines, University of Exeter, Penryn Cornwall TR10 9DF, UK
Interests: mine waste characterization; management and remediation; environmental mineralogy; mineral-microbe interactions; mineral dissolution; sulfate minerals; biogeochemical cycles; economic geology
Special Issues, Collections and Topics in MDPI journals
Dr. Javier Sánchez-España

E-Mail Website
Guest Editor
Department of Planetology and Habitability, Astrobiology Center (CAB, CSIC-INTA), 28850 Madrid, Spain
Interests: environmental mineralogy; hydrogeochemistry; biogeochemistry; geomicrobiology; metal-mineral-microbe interaction; biomineralization; biogeochemical cycles; metal transport; metal sorption; mineral solubility; acid mine drainage; lake research
Dr. Ellen Moon

E-Mail Website
Guest Editor
School of Engineering, Deakin University, Waurn Ponds, VIC 3216, Australia
Interests: industrial sustainability; environmental geochemistry; mineral-water interface geochemistry; organo-mineral interactions; X-ray absorption spectroscopy

Special Issue Information

Dear Colleagues,

Environmental Mineralogy and Biogeochemistry is a broad and expanding field of research in Earth and Planetary Sciences. The field interfaces with a range of other disciplines including geology, chemistry, biology, soil science, materials science, archaeology, atmospheric science, nanoscience, medicine and engineering. In this Special Issue we celebrate the growth of this exciting field by publishing invited Feature Papers in key subject areas. We have attempted to cover the breadth of the field, including topics that are emerging and that have not been extensively researched (e.g., arsenic), as well as those that are established but growing rapidly. These topics include geomicrobiology, the environmental mineralogy of Mars, extreme soils and their remediation, mineral-organic interactions, mine waste geochemistry, mineralogy and microbiology, biomineralization, Mn and U geochemistry, and the geochemistry and mineralogy of emerging contaminants.

Prof. Dr. Karen Hudson-Edwards
Prof. Dr. Javier Sánchez-España
Dr. Ellen Moon
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Minerals is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • geomicrobiology
  • Mars
  • extreme soils
  • mineral-organic interactions
  • mine waste
  • biomineralisation
  • Mn and U geochemistry
  • emerging contaminants

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Published Papers (1 paper)

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Research

24 pages, 7266 KiB  
Article
Mineralogy and Zn Chemical Speciation in a Soil-Plant System from a Metal-Extreme Environment: A Study on Helichrysum microphyllum subsp. tyrrhenicum (Campo Pisano Mine, SW Sardinia, Italy)
by Maria Enrica Boi, Daniela Medas, Giuliana Aquilanti, Gianluigi Bacchetta, Giovanni Birarda, Giovanna Cappai, Ilaria Carlomagno, Maria Antonietta Casu, Alessandra Gianoncelli, Carlo Meneghini, Martina Piredda, Francesca Podda, Marco Porceddu, Valentina Rimondi, Lisa Vaccari and Giovanni De Giudici
Minerals 2020, 10(3), 259; https://doi.org/10.3390/min10030259 - 12 Mar 2020
Cited by 19 | Viewed by 5091
Abstract
Environmental contamination due to human activities is a worldwide problem that has led to the development of different remediation techniques, including biotechnological approaches such as phytoextraction and phytostabilization. These techniques take advantage of pioneer plants that naturally develop tolerance mechanisms to survive in [...] Read more.
Environmental contamination due to human activities is a worldwide problem that has led to the development of different remediation techniques, including biotechnological approaches such as phytoextraction and phytostabilization. These techniques take advantage of pioneer plants that naturally develop tolerance mechanisms to survive in extreme environments. A multi-technique and multi-disciplinary approach was applied for the investigation of Helichrysum microphyllum subsp. tyrrhenicum samples, bulk soil, and rhizospheres collected from a metal-extreme environment (Zn-Pb mine of Campo Pisano, SW Sardinia, Italy). Zinc, Pb, and Cd are the most abundant metals, with Zn attaining 3 w/w% in the rhizosphere solid materials, inducing oxidative stress in the roots as revealed by infrared microspectroscopy (IR). X-ray diffraction (XRD), scanning electron microscopy (SEM), and chemical analysis coupled with synchrotron radiation-based (SR) techniques demonstrate that quartz, dolomite, and weddellite biominerals precipitate in roots, stems, and leaves, likely as a response to environmental stress. In the rhizosphere, Zn chemical speciation is mainly related to the Zn ore minerals (smithsonite and hydrozincite) whereas, in plant tissues, Zn is primarily bound to organic compounds such as malate, cysteine, and histidine molecules that act as metal binders and, eventually, detoxification agents for the Zn excess. These findings suggest that H. microphyllum subsp. tyrrhenicum has developed its own adaptation strategy to survive in polluted substrates, making it a potential candidate for phytostabilization aimed at mitigating the dispersion of metals in the surrounding areas. Full article
(This article belongs to the Special Issue Feature Papers in Environmental Mineralogy and Biogeochemistry)
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