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Constructed wetlands for steel slag leachate management: Partitioning of arsenic, chromium, and vanadium in waters, sediments, and plants (2019)
Journal Article
Gomes, H., Mayes, W., Whitby, P., & Rogerson, M. (2019). Constructed wetlands for steel slag leachate management: Partitioning of arsenic, chromium, and vanadium in waters, sediments, and plants. Journal of environmental management, 243, 30-38. https://doi.org/10.1016/j.jenvman.2019.04.127

Constructed wetlands can treat highly alkaline leachate resulting from the weathering of steel slag before reuse (e.g. as aggregate) or during disposal in repositories and legacy sites. This study aimed to assess how metal(loid)s soluble at high pH,... Read More

Mediterranean isolation preconditioning the Earth System for late Miocene climate cooling (2019)
Journal Article
Capella, W., Flecker, R., Hernández-Molina, F. J., Simon, D., Meijer, P. T., Rogerson, M., …Krijgsman, W. (in press). Mediterranean isolation preconditioning the Earth System for late Miocene climate cooling. Scientific reports, 9, https://doi.org/10.1038/s41598-019-40208-2

A global Neogene cooling trend culminated ~7 million years ago with the onset of 10 Greenland glaciation. Increased ocean-atmosphere interaction and low-to high-latitude 11 circulation are thought to be key factors in reorganizing late Miocene global... Read More

Handheld portable FTIR spectroscopy for the triage of micro and meso sized plastics in the marine environment incorporating an accelerated weathering study and an aging estimation (2019)
Journal Article
McCumskay, R., Tang, P. L., Mckumskay, R., Rogerson, M., Waller, C., & Forster, R. (2019). Handheld portable FTIR spectroscopy for the triage of micro and meso sized plastics in the marine environment incorporating an accelerated weathering study and an aging estimation. Spectroscopy, 34(2), 54-60

Debris in the marine environment can be either natural, such as floating vegetation or volcanic ash deposits, or man-made. The man-made human sources cover the whole gamut of material types, from sewage, glass, mineral, fabric and, of increasing conc... Read More

A window into Africa's past hydroclimates: the 2 SISAL_v1 database contribution 3 (2019)
Journal Article
Braun, K., Nehme, C., Pickering, R., Rogerson, M., & Scroxton, N. (2019). A window into Africa's past hydroclimates: the 2 SISAL_v1 database contribution 3. Quaternary, 2(1), https://doi.org/10.3390/quat2010004

Africa spans the hemispheres from temperate region to temperate region and has a long history of hominin evolution. Although the number of Quaternary palaeoclimatic records from the continent is increasing, much of the history of spatial and temporal... Read More

Leaching behaviour of co-disposed steel making wastes: Effects of aeration on leachate chemistry and vanadium mobilisation (2018)
Journal Article
Hobson, A. J., Stewart, D. I., Mortimer, R. J., Mayes, W. M., Rogerson, M., & Burke, I. T. (2018). Leaching behaviour of co-disposed steel making wastes: Effects of aeration on leachate chemistry and vanadium mobilisation. Waste Management, 81, 1-10. doi:10.1016/j.wasman.2018.09.046

Steelmaking wastes stored in landfill, such as slag and spent refractory liners, are often enriched in toxic trace metals (including V). These may become mobile in highly alkaline leachate generated during weathering. Fresh steelmaking waste was char... Read More

Options for managing alkaline steel slag leachate: A life cycle assessment (2018)
Journal Article
Gomes, H. I., Mayes, W. M., Baxter, H. A., Jarvis, A. P., Burke, I. T., Stewart, D. I., & Rogerson, M. (2018). Options for managing alkaline steel slag leachate: A life cycle assessment. Journal of cleaner production, 202, 401-412. doi:10.1016/j.jclepro.2018.08.163

Management of steel slag (a major by-product of the steel industry) includes the treatment of highly alkaline leachate (pH > 11.5) from rainwater infiltration of slag deposits to prevent adverse impact upon surface or ground waters. This study aims t... Read More

Behaviour and fate of vanadium during the aerobic neutralisation of hyperalkaline slag leachate (2018)
Journal Article
Hobson, A. J., Stewart, D. I., Bray, A. W., Mortimer, R. J., Mayes, W. M., Riley, A. L., …Burke, I. T. (2018). Behaviour and fate of vanadium during the aerobic neutralisation of hyperalkaline slag leachate. The Science of the total environment, 643, 1191-1199. doi:10.1016/j.scitotenv.2018.06.272

© 2018 Vanadium is a toxic metal present in alkaline leachates produced during the weathering of steel slags. Slag leaching can therefore have deleterious effects on local watercourses due to metal toxicity, the effects of the high pH (9–12.5) and ra... Read More

A microbial role in the construction of Mono Lake carbonate chimneys? (2018)
Journal Article
Brasier, A., Wacey, D., Rogerson, M., Guagliardo, P., Saunders, M., Kellner, S., …Reijmer, J. (2018). A microbial role in the construction of Mono Lake carbonate chimneys?. Geobiology, 16(5), 540-555. doi:10.1111/gbi.12292

Lacustrine carbonate chimneys are striking, metre‐scale constructions. If these were bioinfluenced constructions, they could be priority targets in the search for early and extraterrestrial microbial life. However, there are questions over whether su... Read More

Recovery of Al, Cr and V from steel slag by bioleaching: batch and column experiments (2018)
Journal Article
Gomes, H. I., Funari, V., Mayes, W. M., Rogerson, M., & Prior, T. J. (2018). Recovery of Al, Cr and V from steel slag by bioleaching: batch and column experiments. Journal of environmental management, 222, (30-36). doi:10.1016/j.jenvman.2018.05.056. ISSN 0301-4797

Steel slag is a major by-product of the steel industry and a potential resource of technology critical elements. For this study, a basic oxygen furnace (BOF) steel slag was tested for bacterial leaching and recovery of aluminium (Al), chromium (Cr),... Read More

Hydration of dicalcium silicate and diffusion through neo-formed calcium-silicate-hydrates at weathered surfaces control the long-term leaching behaviour of basic oxygen furnace (BOF) steelmaking slag (2018)
Journal Article
Stewart, D. I., Bray, A. W., Udoma, G., Hobson, A. J., Mayes, W. M., Rogerson, M., & Burke, I. T. (2018). Hydration of dicalcium silicate and diffusion through neo-formed calcium-silicate-hydrates at weathered surfaces control the long-term leaching behaviour of basic oxygen furnace (BOF) steelmaking slag. Environmental science and pollution research international, 25(10), 9861-9872. doi:10.1007/s11356-018-1260-7

© 2018 The Author(s) Alkalinity generation and toxic trace metal (such as vanadium) leaching from basic oxygen furnace (BOF) steel slag particles must be properly understood and managed by pre-conditioning if beneficial reuse of slag is to be maximis... Read More

Hydraulic and biotic impacts on neutralisation of high-pH waters (2017)
Journal Article
Gomes, H. I., Mayes, W. M., Rogerson, M., Burke, I. T., & Stewart, D. I. (2017). Hydraulic and biotic impacts on neutralisation of high-pH waters. The Science of the total environment, 601-602, (1271-1279). doi:10.1016/j.scitotenv.2017.05.248. ISSN 0048-9697

The management of alkaline (pH 11–12.5) leachate is an important issue associated with the conditioning, afteruse or disposal of steel slags. Passive in-gassing of atmospheric CO2 is a low cost option for reducing Ca(OH)2 alkalinity, as Ca(OH)2 is ne... Read More

A depositional model for spherulitic carbonates associated with alkaline, volcanic lakes (2017)
Journal Article
Mercedes-Martín, R., Brasier, A. T., Rogerson, M., Reijmer, J. J., Vonhof, H., & Pedley, M. (2017). A depositional model for spherulitic carbonates associated with alkaline, volcanic lakes. Marine and Petroleum Geology, 86, (168-191). doi:10.1016/j.marpetgeo.2017.05.032. ISSN 0264-8172

The South Atlantic Aptian ‘Pre-salt’ reservoirs are formed by a combination of spherulitic carbonates and Mg-rich clays accumulated in volcanic alkaline lake settings with exotic chemistries. So far, outcrop analogues characterised by metre-thick suc... Read More

Are spherulitic lacustrine carbonates an expression of large-scale mineral carbonation? A case study from the East Kirkton Limestone, Scotland (2017)
Journal Article
Rogerson, M., Mercedes Martín, R., Brasier, A. T., McGill, R. A. R., Prior, T. J., Vonhof, H., …Pedley, H. M. (2017). Are spherulitic lacustrine carbonates an expression of large-scale mineral carbonation? A case study from the East Kirkton Limestone, Scotland. Gondwana Research, 48, (101-109). doi:10.1016/j.gr.2017.04.007. ISSN 1342-937X

Lacustrine carbonate deposits with spherulitic facies are poorly understood, but are key to understanding the economically important “Pre-Salt” Mesozoic strata of the South Atlantic. A major barrier to research into these unique and spectacular facie... Read More

Removal and recovery of vanadium from alkaline steel slag leachates with anion exchange resins (2016)
Journal Article
Gomes, H. I., Jones, A., Rogerson, M., Greenway, G. M., Lisbona, D. F., Burke, I. T., & Mayes, W. M. (2017). Removal and recovery of vanadium from alkaline steel slag leachates with anion exchange resins. Journal of environmental management, 187, 384-392. https://doi.org/10.1016/j.jenvman.2016.10.063

© 2016 The Author(s) Leachable vanadium (V) from steel production residues poses a potential environmental hazard due to its mobility and toxicity under the highly alkaline pH conditions that characterise these leachates. This work aims to test the e... Read More

Timing and causes of North African wet phases during the last glacial period and implications for modern human migration (2016)
Journal Article
Hoffmann, D. L., Osborne, A. H., Fello, N. M., Moseley, G. E., Spoetl, C., Rogerson, M., …Vance, D. (2016). Timing and causes of North African wet phases during the last glacial period and implications for modern human migration. Scientific reports, 6(1), doi:10.1038/srep36367

We present the first speleothem-derived central North Africa rainfall record for the last glacial period. The record reveals three main wet periods at 65-61 ka, 52.5-50.5 ka and 37.5-33 ka that lead obliquity maxima and precession minima. We find add... Read More

Vanadium removal and recovery from bauxite residue leachates by ion exchange (2016)
Journal Article
Jones, A., Gomes, H. I., Mayes, W. M., Rogerson, M., & Burke, I. T. (2016). Vanadium removal and recovery from bauxite residue leachates by ion exchange. Environmental science and pollution research international, 23(22), (23034-23042). doi:10.1007/s11356-016-7514-3. ISSN 0944-1344

Bauxite residue is an important by-product of the alumina industry, and current management practices do not allow their full valorisation, especially with regard to the recovery of critical metals. This work aims to test the efficiency of ion exchang... Read More

Growing spherulitic calcite grains in saline, hyperalkaline lakes: experimental evaluation of the effects of Mg-clays and organic acids (2016)
Journal Article
Mercedes-Martín, R., Rogerson, M., Brasier, A., Vonhof, H., Prior, T., Fellows, S., …Pedley, H. (2016). Growing spherulitic calcite grains in saline, hyperalkaline lakes: experimental evaluation of the effects of Mg-clays and organic acids. Sedimentary Geology, 335, (93-102). doi:10.1016/j.sedgeo.2016.02.008. ISSN 0037-0738

The origin of spherical-radial calcite bodies - spherulites - in sublacustrine, hyperalkaline and saline systems is unclear, and therefore their palaeoenvironmental significance as allochems is disputed. Here, we experimentally investigate two hypoth... Read More

Alkaline residues and the environment: a review of impacts, management practices and opportunities (2015)
Journal Article
Gomes, H. I., Mayes, W. M., Rogerson, M., Stewart, D. I., & Burke, I. T. (2016). Alkaline residues and the environment: a review of impacts, management practices and opportunities. Journal of cleaner production, 112(4), 3571-3582. https://doi.org/10.1016/j.jclepro.2015.09.111

Around two billion tonnes of alkaline residues are produced globally each year by industries such as steel production, alumina refining and coal-fired power generation, with a total production estimate of 90 billion tonnes since industrialisation. Th... Read More

A test of the biogenicity criteria established for microfossils and stromatolites on quaternary tufa and speleothem materials formed in the “Twilight zone” at Caerwys, UK (2015)
Journal Article
Mercedes-Martin, R., Rogerson, M. R., Brasier, A. T., Mercedes-Martín, R., Reijmer, J. J. G., & Vonhof, H. B. (2015). A test of the biogenicity criteria established for microfossils and stromatolites on quaternary tufa and speleothem materials formed in the “Twilight zone” at Caerwys, UK. Astrobiology, 15(10), (883-900). doi:10.1089/ast.2015.1293. ISSN 1531-1074

© 2015, Mary Ann Liebert, Inc. The ability to distinguish the features of a chemical sedimentary rock that can only be attributed to biology is a challenge relevant to both geobiology and astrobiology. This study aimed to test criteria for recognizin... Read More

Zinc Uptake from Circumneutral Mine Drainage in Freshwater Biofilms: New Insights from In Vitro Experiments (2015)
Journal Article
Jones, A., Rogerson, M., Greenway, G., & Mayes, W. M. (2015). Zinc Uptake from Circumneutral Mine Drainage in Freshwater Biofilms: New Insights from In Vitro Experiments. Mine Water and the Environment, 34(3), 295-307. https://doi.org/10.1007/s10230-015-0325-9

© 2015, Springer-Verlag Berlin Heidelberg. We present results from in vitro flask and flume experiments using freshwater biofilms sourced and cultivated from a mine-impacted stream in North Yorkshire, UK. Flask experiments showed rapid uptake of Zn f... Read More