Search Results - "Southam, G"

Bacterial influence on storage and mobilisation of metals in iron-rich mine tailings from the Salobo mine, Brazil by Henne, A., Craw, D., Gagen, E.J., Southam, G.

“…In this study we investigated the potential effects of promoting bacterial activity on tailings from the Salobo iron-oxide copper‑gold (IOCG) mine, Brazil. In…”
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Platinum in Earth surface environments by Reith, F., Campbell, S.G., Ball, A.S., Pring, A., Southam, G.

“…Platinum (Pt) is a rare precious metal that is a strategic commodity for industries in many countries. The demand for Pt has more than doubled in the last…”
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Biomineralization of Gold in Biofilms of Cupriavidus metallidurans by Fairbrother, L, Etschmann, B, Brugger, J, Shapter, J, Southam, G, Reith, F

“…Cupriavidus metallidurans, a bacterium capable of reductively precipitating toxic, aqueous gold(I/III)-complexes, dominates biofilm communities on gold (Au)…”
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Characterizing the effect of carbon steel exposure in sulfide containing solutions to microbially induced corrosion by Sherar, B.W.A., Power, I.M., Keech, P.G., Mitlin, S., Southam, G., Shoesmith, D.W.

“…► Compares inorganic sulfide and sulfate reducing bacteria (SRB) on steel corrosion. ► Mackinawite was the dominant iron sulfide phase. ► SRBs can form…”
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Supergene gold transformation: Biogenic secondary and nano-particulate gold from arid Australia by Fairbrother, L., Brugger, J., Shapter, J., Laird, J.S., Southam, G., Reith, F.

“…Biofilms on Au grains from sub-tropical and tropical sites promote the dispersion of gold (Au) by continuously recycling coarse Au and releasing…”
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The geomicrobiology of ore deposits by Southam, G, Saunders, James A

“…Bacterial metabolism, involving redox reactions with carbon, sulphur, and metals, appears to have been important since the dawn of life on Earth. In the…”
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Metal Mobilization From CO2 Storage Cap-Rocks: Experimental Reactions With Pure CO2 or CO2 SO2 NO by Pearce, J. K., Dawson, G. W., Southam, G., Paterson, D., Kirste, D., Golding, S. D.

“…CO 2 geological storage will be needed as part of the transition to lower greenhouse gas emissions. During CO 2 storage, the mobilization of metals from…”
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The influence of hydrogeological disturbance and mining on coal seam microbial communities by Raudsepp, M. J., Gagen, E. J., Evans, P., Tyson, G. W., Golding, S. D., Southam, G.

“…The microbial communities present in two underground coal mines in the Bowen Basin, Queensland, Australia, were investigated to deduce the effect of pumping…”
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high-resolution chemical and structural study of framboidal pyrite formed within a low-temperature bacterial biofilm by MACLEAN, L.C.W, TYLISZCZAK, T, GILBERT, P.U.P.A, ZHOU, D, PRAY, T.J, ONSTOTT, T.C, SOUTHAM, G

“…A novel, anaerobically grown microbial biofilm, scraped from the inner surface of a borehole, 1474 m below land surface within a South African, Witwatersrand…”
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Modern carbonate microbialites from an asbestos open pit pond, Yukon, Canada by POWER, I.M, WILSON, S.A, DIPPLE, G.M, SOUTHAM, G

“…Microbialites were discovered in an open pit pond at an abandoned asbestos mine near Clinton Creek, Yukon, Canada. These microbialites are extremely young and…”
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The preservation and degradation of filamentous bacteria and biomolecules within iron oxide deposits at Rio Tinto, Spain by PRESTON, L. J., SHUSTER, J., FERNÁNDEZ-REMOLAR, D., BANERJEE, N. R., OSINSKI, G. R., SOUTHAM, G.

“…One of the keys to understanding and identifying life on other planets is to study the preservation of organic compounds and their precursor micro‐organisms on…”
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Photosynthetic isotope biosignatures in laminated micro-stromatolitic and non-laminated nodules associated with modern, freshwater microbialites in Pavilion Lake, B.C by Brady, A.L., Slater, G.F., Omelon, C.R., Southam, G., Druschel, G., Andersen, D.T., Hawes, I., Laval, B., Lim, D.S.S.

“…The influence of microbial activity on carbonate precipitation was investigated within micro-stromatolitic nodules associated with modern, freshwater…”
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Microscopic characterization of the bacterial cell envelope of Planococcus halocryophilus Or1 during subzero growth at −15 °C by Mykytczuk, N. C. S., Lawrence, J. R., Omelon, C. R., Southam, G., Whyte, L. G.

“…Microbial psychrophiles continue to expand our understanding of the adaptations required to thrive in cold environments. Planococcus halocryophilus strain Or1,…”
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Structural and Chemical Characterization of a Natural Fracture Surface from 2.8 Kilometers Below Land Surface: Biofilms in the Deep Subsurface by Wanger, G., Southam, G., Onstott, T. C.

“…A freshly intersected water-bearing fracture zone from the Mponeng Au mine located in the Witwatersrand Basin, Republic of South Africa was sampled, providing…”
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Multi-technique investigation reveals new mineral, chemical, and textural heterogeneity in the Tagish Lake C2 chondrite by Izawa, M.R.M., Flemming, R.L., McCausland, P.J.A., Southam, G., Moser, D.E, Barker, I.R.

“…The Tagish Lake meteorite, an ungrouped C2 chondrite that is related to CI and CM chondrites, is a heterogeneous accretionary breccia with several distinct…”
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Mobile hydrocarbon microspheres from >2-billion-year-old carbon-bearing seams in the South African deep subsurface by Wanger, G., Moser, D., Hay, M., Myneni, S., Onstott, T. C., Southam, G.

“…By ~2.9 Ga, the time of the deposition of the Witwatersrand Supergroup, life is believed to have been well established on Earth. Carbon remnants of the…”
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Caves in caves: evolution of post-depositional macroholes in stalagmites by Shtober-Zisu, N, Schwarcz, H P, Chow, T, Omelon, C R, Southam, G

“…In a previous paper (Shtober-Zisu et al., 2012), the authors described millimeter to centimetersized fluid-free holes within the interiors of stalagmites of…”
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Stars of the terrestrial deep subsurface: A novel 'star-shaped' bacterial morphotype from a South African platinum mine by WANGER, G, ONSTOTT, T.C, SOUTHAM, G

“…We study structure and function. Credit of course, goes to TJB, for it is from him that I inherited the habit of personifying bacteria and attempting to think…”
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Alterations in Urine Metabolomics Following Sport-Related Concussion: A 1H NMR-Based Analysis by Wanner, Zachary R., Southam, Cormac G., Sanghavi, Prachi, Boora, Naveenjyote S., Paxman, Eric J., Dukelow, Sean P., Benson, Brian W., Montina, Tony, Metz, Gerlinde A. S., Debert, Chantel T.

“…Objective: Millions of sport-related concussions (SRC) occur annually in North America, and current diagnosis of concussion is based largely on clinical…”
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The Geology and Habitability of Terrestrial Planets: Fundamental Requirements for Life by Southam, G, Rothschild, L J, Westall, F

“…The current approach to the study of the origin of life and to the search for life elsewhere is based on two assumptions. First, life is a purely physical…”
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