Nicolas J Beukes - Publications

Geology University of Johannesburg 
Economic Geology, Iron and manganese deposits, Precambrian geology, Sedimentology and basin analyses

68 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2020 Smith AJB, Beukes NJ, Gutzmer J, Johnson CM, Czaja AD, Nhleko N, de Beer F, Hoffman JW, Awramik SM. Life on a Mesoarchean marine shelf - insights from the world's oldest known granular iron formation. Scientific Reports. 10: 10519. PMID 32601306 DOI: 10.1038/S41598-020-66805-0  0.88
2019 Albut G, Kamber BS, Brüske A, Beukes NJ, Smith AJB, Schoenberg R. Modern weathering in outcrop samples versus ancient paleoredox information in drill core samples from a Mesoarchaean marine oxygen oasis in Pongola Supergroup, South Africa Geochimica Et Cosmochimica Acta. 265: 330-353. DOI: 10.1016/J.Gca.2019.09.001  0.48
2017 Smith AJB, Beukes NJ, Gutzmer J, Czaja AD, Johnson CM, Nhleko N. Oncoidal granular iron formation in the Mesoarchaean Pongola Supergroup, southern Africa: Textural and geochemical evidence for biological activity during iron deposition. Geobiology. PMID 28846192 DOI: 10.1111/Gbi.12248  0.88
2017 Satkoski AM, Beukes NJ, Li W, Beard BL, Johnson CM. Corrigendum to “A redox-stratified ocean 3.2 billion years ago” [Earth Planet. Sci. Lett. 430 (2015) 43–53] Earth and Planetary Science Letters. 460: 317-319. DOI: 10.1016/J.Epsl.2016.12.013  0.48
2016 Smith AJB, Beukes NJ. Palaeoproterozoic Banded Iron formationhosted High-Grade Hematite Iron Ore Deposits of the Transvaal Supergroup, South Africa Episodes. 39: 269-284. DOI: 10.18814/Epiiugs/2016/V39I2/95778  0.48
2016 Czaja AD, Beukes NJ, Osterhout JT. Sulfur-oxidizing bacteria prior to the Great Oxidation Event from the 2.52 Ga Gamohaan Formation of South Africa Geology. 44: 983-986. DOI: 10.1130/G38150.1  0.88
2016 Alebouyeh Semami F, de Kock M, Söderlund U, Gumsley A, da Silva R, Beukes N, Armstrong R. New U–Pb geochronologic and palaeomagnetic constraints on the late Palaeoproterozoic Hartley magmatic event: evidence for a potential large igneous province in the Kaapvaal Craton during Kalahari assembly, South Africa Gff. 1-19. DOI: 10.1080/11035897.2015.1124917  0.48
2016 Kurzweil F, Wille M, Gantert N, Beukes NJ, Schoenberg R. Manganese oxide shuttling in pre-GOE oceans – evidence from molybdenum and iron isotopes Earth and Planetary Science Letters. 452: 69-78. DOI: 10.1016/J.Epsl.2016.07.013  0.48
2015 Montinaro A, Strauss H, Mason PRD, Roerdink D, Münker C, Schwarz-Schampera U, Arndt NT, Farquhar J, Beukes NJ, Gutzmer J, Peters M. Paleoarchean sulfur cycling: Multiple sulfur isotope constraints from the Barberton Greenstone Belt, South Africa Precambrian Research. 267: 311-322. DOI: 10.1016/J.Precamres.2015.06.008  0.48
2015 Eroglu S, Schoenberg R, Wille M, Beukes N, Taubald H. Geochemical stratigraphy, sedimentology, and Mo isotope systematics of the ca. 2.58-2.50Ga-old Transvaal Supergroup carbonate platform, South Africa Precambrian Research. 266: 27-46. DOI: 10.1016/J.Precamres.2015.04.014  0.48
2015 Viehmann S, Bau M, Smith AJB, Beukes NJ, Dantas EL, Bühn B. The reliability of ∼2.9 Ga old Witwatersrand banded iron formations (South Africa) as archives for Mesoarchean seawater: Evidence from REE and Nd isotope systematics Journal of African Earth Sciences. 111: 322-334. DOI: 10.1016/J.Jafrearsci.2015.08.013  0.48
2015 Satkoski AM, Beukes NJ, Li W, Beard BL, Johnson CM. A redox-stratified ocean 3.2 billion years ago Earth and Planetary Science Letters. 430: 43-53. DOI: 10.1016/J.Epsl.2015.08.007  0.48
2014 Petroff AP, Beukes NJ, Rothman DH, Bosak T. Biofilm growth and fossil form Physical Review X. 3. DOI: 10.1103/Physrevx.3.041012  0.48
2014 Planavsky NJ, Asael D, Hofmann A, Reinhard CT, Lalonde SV, Knudsen A, Wang X, Ossa Ossa F, Pecoits E, Smith AJB, Beukes NJ, Bekker A, Johnson TM, Konhauser KO, Lyons TW, et al. Evidence for oxygenic photosynthesis half a billion years before the Great Oxidation Event Nature Geoscience. 7: 283-286. DOI: 10.1038/Ngeo2122  0.48
2014 Guy BM, Ono S, Gutzmer J, Lin Y, Beukes NJ. Sulfur sources of sedimentary "buckshot" pyrite in the Auriferous Conglomerates of the Mesoarchean Witwatersrand and Ventersdorp Supergroups, Kaapvaal Craton, South Africa Mineralium Deposita. DOI: 10.1007/S00126-014-0518-3  0.48
2013 Smith AJB, Beukes NJ, Gutzmer J. The Composition and Depositional Environments of Mesoarchean Iron Formations of the West Rand Group of the Witwatersrand Supergroup, South Africa Economic Geology. 108: 111-134. DOI: 10.2113/Econgeo.108.1.111  0.48
2013 Johnson CM, Ludois JM, Beard BL, Beukes NJ, Heimann A. Iron formation carbonates: Paleoceanographic proxy or recorder of microbial diagenesis? Geology. 41: 1147-1150. DOI: 10.1130/G34698.1  0.48
2013 Rajesh HM, Chisonga BC, Shindo K, Beukes NJ, Armstrong RA. Petrographic, geochemical and SHRIMP U-Pb titanite age characterization of the Thabazimbi mafic sills: Extended time frame and a unifying petrogenetic model for the Bushveld Large Igneous Province Precambrian Research. 230: 79-102. DOI: 10.1016/j.precamres.2013.02.002  0.48
2012 Guy BM, Ono S, Gutzmer J, Kaufman AJ, Lin Y, Fogel ML, Beukes NJ. A multiple sulfur and organic carbon isotope record from non-conglomeratic sedimentary rocks of the Mesoarchean Witwatersrand Supergroup, South Africa Precambrian Research. 216: 208-231. DOI: 10.1016/J.Precamres.2012.06.018  0.48
2012 De Kock MO, Beukes NJ, Armstrong RA. New SHRIMP U-Pb zircon ages from the Hartswater Group, South Africa: Implications for correlations of the Neoarchean Ventersdorp Supergroup on the Kaapvaal craton and with the Fortescue Group on the Pilbara craton Precambrian Research. 204: 66-74. DOI: 10.1016/j.precamres.2012.02.007  0.48
2012 Czaja AD, Johnson CM, Roden EE, Beard BL, Voegelin AR, Nägler TF, Beukes NJ, Wille M. Evidence for free oxygen in the Neoarchean ocean based on coupled iron-molybdenum isotope fractionation Geochimica Et Cosmochimica Acta. 86: 118-137. DOI: 10.1016/J.Gca.2012.03.007  0.48
2010 Steinhoefel G, Blanckenburg Fv, Horn I, Konhauser KO, Beukes NJ, Gutzmer J. Deciphering formation processes of banded iron formations from the Transvaal and the Hamersley successions by combined Si and Fe isotope analysis using UV femtosecond laser ablation Geochimica Et Cosmochimica Acta. 74: 2677-2696. DOI: 10.1016/J.Gca.2010.01.028  0.48
2010 Heimann A, Johnson CM, Beard BL, Valley JW, Roden EE, Spicuzza MJ, Beukes NJ. Fe, C, and O isotope compositions of banded iron formation carbonates demonstrate a major role for dissimilatory iron reduction in ~2.5Ga marine environments Earth and Planetary Science Letters. 294: 8-18. DOI: 10.1016/J.Epsl.2010.02.015  0.48
2010 Voordouw RJ, Gutzmer J, Beukes NJ. Zoning of platinum group mineral assemblages in the UG2 chromitite determined through in situ SEM-EDS-based image analysis Mineralium Deposita. 45: 147-159. DOI: 10.1007/S00126-009-0265-Z  0.48
2009 McClung CR, Gutzmer J, Beukes NJ. A new chronostratigraphic paradigm for the age and tectonic history of the mesoproterozoic bushmanland ore district, south africa-a discussion Economic Geology. 104: 1277-1281. DOI: 10.2113/gsecongeo.104.8.1277  0.48
2009 Ono S, Kaufman AJ, Farquhar J, Sumner DY, Beukes NJ. Lithofacies control on multiple-sulfur isotope records and Neoarchean sulfur cycles Precambrian Research. 169: 58-67. DOI: 10.1016/J.Precamres.2008.10.013  0.48
2009 Fischer WW, Schroeder S, Lacassie JP, Beukes NJ, Goldberg T, Strauss H, Horstmann UE, Schrag DP, Knoll AH. Isotopic constraints on the Late Archean carbon cycle from the Transvaal Supergroup along the western margin of the Kaapvaal Craton, South Africa Precambrian Research. 169: 15-27. DOI: 10.1016/J.Precamres.2008.10.010  0.48
2009 Knoll AH, Beukes NJ. Introduction: Initial investigations of a Neoarchean shelf margin-basin transition (Transvaal Supergroup, South Africa) Precambrian Research. 169: 1-14. DOI: 10.1016/J.Precamres.2008.10.009  0.48
2009 Voordouw R, Gutzmer J, Beukes NJ. Intrusive origin for Upper Group (UG1, UG2) stratiform chromitite seams in the Dwars River area, Bushveld Complex, South Africa Mineralogy and Petrology. 97: 75-94. DOI: 10.1007/S00710-009-0072-3  0.48
2008 Beukes NJ, Mukhopadhyay J, Gutzmer J. Genesis of High-Grade Iron Ores of the Archean Iron Ore Group around Noamundi, India Economic Geology. 103: 365-386. DOI: 10.2113/Gsecongeo.103.2.365  0.48
2008 Mukhopadhyay J, Beukes NJ, Armstrong RA, Zimmermann U, Ghosh G, Medda RA. Dating the oldest greenstone in India: A 3.51-Ga precise U-Pb SHRIMP zircon age for dacitic lava of the southern Iron Ore Group, Singhbhum craton Journal of Geology. 116: 449-461. DOI: 10.1086/590133  0.48
2008 Johnson CM, Beard BL, Klein C, Beukes NJ, Roden EE. Iron isotopes constrain biologic and abiologic processes in banded iron formation genesis Geochimica Et Cosmochimica Acta. 72: 151-169. DOI: 10.1016/J.Gca.2007.10.013  0.48
2008 Bekker A, Holmden C, Beukes NJ, Kenig F, Eglingtone B, Patterson WP. Fractionation between inorganic and organic carbon during the Lomagundi (2.22-2.1 Ga) carbon isotope excursion Earth and Planetary Science Letters. 271: 278-291. DOI: 10.1016/J.Epsl.2008.04.021  0.48
2007 Yamaguchi KE, Johnson CM, Beard BL, Beukes NJ, Gutzmer J, Ohmoto H. Isotopic evidence for iron mobilization during Paleoproterozoic lateritization of the Hekpoort paleosol profile from Gaborone, Botswana Earth and Planetary Science Letters. 256: 577-587. DOI: 10.1016/J.Epsl.2007.02.010  0.48
2007 McClung CR, Gutzmer J, Beukes NJ, Mezger K, Strauss H, Gertloff E. Geochemistry of bedded barite of the Mesoproterozoic Aggeneys-Gamsberg Broken Hill-type district, South Africa Mineralium Deposita. 42: 537-549. DOI: 10.1007/S00126-007-0128-4  0.48
2006 Schneiderhan EA, Gutzmer J, Strauss H, Mezger K, Beukes NJ. The chemostratigraphy of a Paleoproterozoic MnF-BIF succession - The Voëlwater Subgroup of the Transvaal Supergroup in Griqualand West, South Africa South African Journal of Geology. 109: 63-80. DOI: 10.2113/Gssajg.109.1-2.63  0.48
2006 Coetzee LL, Beukes NJ, Gutzmer J, Kakegawa T. Links of organic carbon cycling and burial to depositional depth gradients and establishment of a snowball Earth at 2.3Ga. Evidence from the Timeball Hill Formation, Transvaal Supergroup, South Africa South African Journal of Geology. 109: 109-122. DOI: 10.2113/gssajg.109.1-2.109  0.48
2006 Gutzmer J, Mukhopadhyay J, Beukes NJ, Pack A, Hayashi K, Sharp ZD. Oxygen isotope composition of hematite and genesis of high-grade BIF-hosted iron ores Memoir of the Geological Society of America. 198: 257-268. DOI: 10.1130/2006.1198(15)  0.48
2006 Wille M, Kramers J, Nägler T, Beukes NJ, Schröder S, Meisel T, Lacassie JP, Voegelin A. Evidence for a gradual rise of oxygen between 2.6 and 2.5 Ga from Mo isotopes and Re-PGE signatures in shales Geochimica Et Cosmochimica Acta. 71: 2417-2435. DOI: 10.1016/J.Gca.2007.02.019  0.48
2005 Mukhopadhyay J, Gutzmer J, Beukes NJ. Organotemplate structures in sedimentary manganese carbonates of the Neoproterozoic Penganga group, Adilabad, India Journal of Earth System Science. 114: 247-257. DOI: 10.1007/Bf02702948  0.48
2004 Bekker A, Holland HD, Wang PL, Rumble D, Stein HJ, Hannah JL, Coetzee LL, Beukes NJ. Dating the rise of atmospheric oxygen. Nature. 427: 117-20. PMID 14712267 DOI: 10.1038/Nature02260  0.48
2004 Gutzmer J, Beukes NJ, Cairncross B. New interpretation of the origin of tiger's-eye: Comment and Reply : REPLY Geology. 32. DOI: 10.1130/0091-7613-32.1.E44  0.48
2004 Mukhopadhyay J, Gutzmer J, Beukes NJ. Organotemplate silica deposition in Neoproterozoic deep‐marine environments: evidence from the Penganga Group, Adilabad, India Terra Nova. 16: 338-343. DOI: 10.1111/J.1365-3121.2004.00571.X  0.48
2003 Gutzmer J, Banks DA, Lüders V, Hoefs J, Beukes NJ, Bezing KLv. Ancient sub-seafloor alteration of basaltic andesites of the Ongeluk Formation, South Africa: implications for the chemistry of Paleoproterozoic seawater Chemical Geology. 201: 37-53. DOI: 10.1016/S0009-2541(03)00225-0  0.48
2003 Johnson CM, Beard BL, Beukes NJ, Klein C, O'Leary JM. Ancient geochemical cycling in the Earth as inferred from Fe isotope studies of banded iron formations from the Transvaal Craton Contributions to Mineralogy and Petrology. 144: 523-547. DOI: 10.1007/S00410-002-0418-X  0.48
2002 Gutzmer J, Schaefer MO, Beukes NJ. Red Bed-Hosted Oncolitic Manganese Ore of the Paleoproterozoic Soutpansberg Group, Bronkhorstfontein, South Africa Economic Geology. 97: 1151-1166. DOI: 10.2113/Gsecongeo.97.6.1151  0.48
2002 Beukes NJ, Dorland H, Gutzmer J, Nedachi M, Ohmoto H. Tropical laterites, life on land, and the history of atmospheric oxygen in the Paleoproterozoic Geology. 30: 491-494. DOI: 10.1130/0091-7613(2002)030<0491:Tllola>2.0.Co;2  0.48
2001 Evans DAD, Gutzmer J, Beukes NJ, Kirschvink JL. Paleomagnetic Constraints on Ages of Mineralization in theKalahari Manganese Field, South Africa Economic Geology. 96: 621-631. DOI: 10.2113/Gsecongeo.96.3.621  0.48
2001 Schaefer MO, Gutzmer J, Beukes NJ. Late Paleoproterozoic Mn-rich oncoids: Earliest evidence for microbially mediated Mn precipitation Geology. 29: 835-838. DOI: 10.1130/0091-7613(2001)029<0835:Lpmroe>2.0.Co;2  0.48
2001 Gutzmer J, Pack A, Lüders V, Wilkinson JJ, Beukes NJ, Niekerk HS. Formation of jasper and andradite during low-temperature hydrothermal seafloor metamorphism, Ongeluk Formation, South Africa Contributions to Mineralogy and Petrology. 142: 27-42. DOI: 10.1007/S004100100270  0.48
2000 Kirschvink JL, Gaidos EJ, Bertani LE, Beukes NJ, Gutzmer J, Maepa LN, Steinberger RE. Paleoproterozoic snowball Earth: Extreme climatic and geochemical global change and its biological consequences Proceedings of the National Academy of Sciences of the United States of America. 97: 1400-1405. PMID 10677473 DOI: 10.1073/Pnas.97.4.1400  0.48
2000 Pack A, Gutzmer J, Beukes NJ, Niekerk HSv, Hoernes S. Supergene Ferromanganese Wad Deposits Derived from Permian Karoo Strata along the Late Cretaceous–Mid-Tertiary African Land Surface, Ryedale, South Africa Economic Geology. 95: 203-220. DOI: 10.2113/Gsecongeo.95.1.203  0.48
2000 Gutzmer J, Beukes NJ. Asbestiform manjiroite and todorokite from the Kalahari manganese field, South Africa South African Journal of Geology. 103: 163-174. DOI: 10.2113/1030163  0.48
2000 Gutzmer J, Beukes NJ, Pickard AL, Barley M. 1170 Ma SHRIMP age for Koras Group bimodal volcanism, Northern Cape Province South African Journal of Geology. 103: 32-37. DOI: 10.2113/103.1.32  0.48
1999 Lueders V, Gutzmer J, Beukes NJ. Fluid inclusion studies in cogenetic hematite, hausmannite, and gangue minerals from high-grade manganese ores in the Kalahari manganese field, South Africa Economic Geology. 94: 589-595. DOI: 10.2113/Gsecongeo.94.4.589  0.48
1999 Niekerk HSV, Beukes NJ, Gutzmer J. Post-Gondwana pedogenic ferromanganese deposits, ancient soil profiles, African land surfaces and palaeoclimatic change on the Highveld of South Africa Journal of African Earth Sciences. 29: 761-781. DOI: 10.1016/S0899-5362(99)00128-1  0.48
1998 Gutzmer J, Beukes NJ. The Manganese Formation Of The Neoproterozoic Penganga Group, India—Revision Of An Enigma—A Reply Economic Geology. 95: 239-240. DOI: 10.2113/Gsecongeo.95.1.239  0.48
1998 Gutzmer J, Beukes NJ. Earliest laterites and possible evidence for terrestrial vegetation in the Early Proterozoic Geology. 26: 263-266. DOI: 10.1130/0091-7613(1998)026<0263:Elapef>2.3.Co;2  0.48
1997 Gutzmer J, Beukes NJ. Effects of mass transfer, compaction and secondary porosity on hydrothermal upgrading of Paleoproterozoic sedimentary manganese ore in the Kalahari manganese field, South Africa Mineralium Deposita. 32: 250-256. DOI: 10.1007/S001260050090  0.48
1996 Gutzmer J, Beukes NJ. Karst-hosted fresh-water Paleoproterozoic manganese deposits, Postmasburg, South Africa Economic Geology. 91: 1435-1454. DOI: 10.2113/Gsecongeo.91.8.1435  0.48
1996 Gutzmer J, Beukes NJ. Mineral paragenesis of the Kalahari managanese field, South Africa Ore Geology Reviews. 11: 405-428. DOI: 10.1016/S0169-1368(96)00011-X  0.48
1996 Beukes NJ, Gutzmer J. A volcanic-exhalative origin for the world's largest (Kalahari) manganese field A discussion of the paper by D.H. Cornell and S.S. Schütte Mineralium Deposita. 31: 242-245. DOI: 10.1007/Bf00204031  0.48
1993 Klein C, Beukes NJ. Sedimentology and geochemistry of the glaciogenic late Proterozoic Rapitan Iron-Formation in Canada Economic Geology. 88: 542-565. DOI: 10.2113/Gsecongeo.88.3.542  0.44
1990 Holland HD, Beukes NJ. A paleoweathering profile from Griqualand West, South Africa: evidence for a dramatic rise in atmospheric oxygen between 2.2 and 1.9 bybp. American Journal of Science. 290: 1-34. PMID 11538688 DOI: 10.2475/Ajs.290.1.1  0.48
1990 Beukes NJ, Klein C, Kaufman AJ, Hayes JM. Carbonate petrography, kerogen distribution, and carbon and oxygen isotope variations in an early Proterozoic transition from limestone to iron-formation deposition, Transvaal Supergroup, South Africa Economic Geology. 85: 663-690. DOI: 10.2113/Gsecongeo.85.4.663  0.48
1990 Beukes NJ, Klein C. Geochemistry and sedimentology of a facies transition — from microbanded to granular iron-formation — in the early Proterozoic Transvaal Supergroup, South Africa Precambrian Research. 47: 99-139. DOI: 10.1016/0301-9268(90)90033-M  0.44
1989 Klein C, Beukes NJ. Geochemistry and sedimentology of a facies transition from limestone to iron-formation deposition in the early Proterozoic Transvaal Supergroup, South Africa Economic Geology. 84: 1733-1774. DOI: 10.2113/Gsecongeo.84.7.1733  0.44
1987 Klein C, Beukes NJ, Schopf JW. Filamentous microfossils in the early proterozoic transvaal supergroup: their morphology, significance, and paleoenvironmental setting Precambrian Research. 36: 81-94. DOI: 10.1016/0301-9268(87)90018-0  0.48
Show low-probability matches.