All Outputs (8)

What are the different styles of calcite precipitation within a hyperalkaline leachate? A sedimentological Anthropocene case study (2021)
Journal Article
Bastianini, L., Rogerson, M., Mercedes-Martín, R., Prior, T. J., & Mayes, W. M. (in press). What are the different styles of calcite precipitation within a hyperalkaline leachate? A sedimentological Anthropocene case study. The Depositional Record, https://doi.org/10.1002/dep2.168

This study aims to compare the fabrics of anthropogenic carbonates downstream of lime and steel disposal sites with models of carbonate precipitation from natural systems to elucidate potential drivers, precipitation mechanisms, morphological similar... Read More about What are the different styles of calcite precipitation within a hyperalkaline leachate? A sedimentological Anthropocene case study.

Towards a morphology diagram for terrestrial carbonates: evaluating the impact of carbonate supersaturation and alginic acid in calcite precipitate morphology (2021)
Journal Article
Mercedes-Martín, R., Rogerson, M., Prior, T. J., Brasier, A. T., Reijmer, J. J., Billing, I., …Pedley, M. (2021). Towards a morphology diagram for terrestrial carbonates: evaluating the impact of carbonate supersaturation and alginic acid in calcite precipitate morphology. Geochimica et cosmochimica acta, 306, 340-361. https://doi.org/10.1016/j.gca.2021.04.010

Ancient and recent terrestrial carbonate-precipitating systems are characterised by a heterogeneous array of deposits volumetrically dominated by calcite. In these environments, calcite precipitates display an extraordinary morphological diversity, f... Read More about Towards a morphology diagram for terrestrial carbonates: evaluating the impact of carbonate supersaturation and alginic acid in calcite precipitate morphology.

What Causes Carbonates to Form “Shrubby” Morphologies? An Anthropocene Limestone Case Study (2019)
Journal Article
Bastianini, L., Rogerson, M., Mercedes-Martín, R., Prior, T. J., Cesar, E. A., & Mayes, W. M. (2019). What Causes Carbonates to Form “Shrubby” Morphologies? An Anthropocene Limestone Case Study. Frontiers in Earth Science, 7, Article 236. https://doi.org/10.3389/feart.2019.00236

The South Atlantic Aptian “Pre-Salt” shrubby carbonate successions offshore Brazil and Angola are of major interest due to their potential hydrocarbon accumulations. Although the general sedimentology of these deposits is widely recognized to be with... Read More about What Causes Carbonates to Form “Shrubby” Morphologies? An Anthropocene Limestone Case Study.

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. M., 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

© 2019 The Authors 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 s... Read More about Constructed wetlands for steel slag leachate management: Partitioning of arsenic, chromium, and vanadium in waters, sediments, and plants.

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. https://doi.org/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 about A microbial role in the construction of Mono Lake carbonate chimneys?.

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. https://doi.org/10.1016/j.jenvman.2018.05.056

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 about Recovery of Al, Cr and V from steel slag by bioleaching: batch and column experiments.

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. https://doi.org/10.1016/j.gr.2017.04.007

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 about Are spherulitic lacustrine carbonates an expression of large-scale mineral carbonation? A case study from the East Kirkton Limestone, Scotland.

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. https://doi.org/10.1016/j.sedgeo.2016.02.008

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 about Growing spherulitic calcite grains in saline, hyperalkaline lakes: experimental evaluation of the effects of Mg-clays and organic acids.