N. Beukes

发表

The geology and genesis of high-grade hematite iron ore deposits

J. Gutzmer, N. Beukes, J. Mukhopadhyay, 2003 .

A. Bekker, Pei-Ling Wang, N. Beukes, 2004, Nature.

Origin of two distinct multiple-sulfur isotope compositions of pyrite in the 2.5Ga Klein Naute Formation, Griqualand West Basin, South Africa

N. Beukes, D. Rumble, S. Ono, 2009 .

Rapid oxygenation of Earth’s atmosphere 2.33 billion years ago

R. Summons, G. Luo, N. Beukes, 2016, Science Advances.

The Bivalve Megadesmus from the Permian Volksrust Shale Formation (Karoo Supergroup), northeastern Karoo Basin, South Africa: implications for late Permian Basin development

B. Cairncross, N. Beukes, L. Coetzee, 2005 .

Ancient geochemical cycling in the Earth as inferred from Fe isotope studies of banded iron formations from the Transvaal Craton

N. Beukes, B. Beard, C. Johnson, 2003 .

Cause and timing of the thermal over-maturation of hydrocarbon source rocks of the Ecca Group (Main Karoo Basin, South Africa)

J. Kramers, N. Beukes, M. D. Kock, 2018 .

Iron isotopes constrain biologic and abiologic processes in banded iron formation genesis

E. Roden, N. Beukes, B. Beard, 2008 .

Trace element and Nd isotope composition of shallow seawater prior to the Great Oxidation Event: Evidence from stromatolitic bioherms in the Paleoproterozoic Rooinekke and Nelani Formations, South Africa

N. Beukes, M. Bau, C. Münker, 2018, Precambrian Research.

Organotemplate structures in sedimentary manganese carbonates of the Neoproterozoic Penganga Group, Adilabad, India

J. Gutzmer, N. Beukes, J. Mukhopadhyay, 2005 .

Modern rather than Mesoarchaean oxidative weathering responsible for the heavy stable Cr isotopic signatures of the 2.95 Ga old Ijzermijn iron formation (South Africa)

N. Beukes, M. Babechuk, R. Schoenberg, 2018 .

Fe, C, and O isotope compositions of banded iron formation carbonates demonstrate a major role for dissimilatory iron reduction in ~2.5 Ga marine environments

E. Roden, J. Valley, N. Beukes, 2010 .

A multiple sulfur and organic carbon isotope record from non-conglomeratic sedimentary rocks of the Mesoarchean Witwatersrand Supergroup, South Africa

A. J. Kaufman, J. Gutzmer, M. Fogel, 2012 .

Molybdenum isotopes in late Archean carbonate rocks: Implications for early Earth oxygenation

T. Nägler, N. Beukes, J. P. Lacassie, 2010 .

Evidence for a gradual rise of oxygen between 2.6 and 2.5 Ga from Mo isotopes and Re-PGE signatures in shales

J. Kramers, T. Meisel, T. Nägler, 2006 .

Chemostratigraphy of the Paleoproterozoic Duitschland Formation, South Africa: Implications for Coupled Climate Change and Carbon Cycling

A. J. Kaufman, A. Bekker, N. Beukes, 2001 .

Bulk and grain-scale minor sulfur isotope data reveal complexities in the dynamics of Earth’s oxygenation

R. Summons, J. Valley, G. Luo, 2022, Proceedings of the National Academy of Sciences of the United States of America.

Light-driven anaerobic microbial oxidation of manganese

N. Tamura, V. Klepac-Ceraj, T. Bosak, 2019, Nature.

A redox-stratified ocean 3.2 billion years ago

N. Beukes, Weiqiang Li, B. Beard, 2015 .

Isotopic evidence for iron mobilization during Paleoproterozoic lateritization of the Hekpoort paleosol profile from Gaborone, Botswana

J. Gutzmer, H. Ohmoto, N. Beukes, 2007 .

Atmospheric oxygenation three billion years ago

D. Canfield, S. Crowe, N. Beukes, 2013, Nature.

Banded Iron Formation-Related High-Grade Iron Ore

J. Gutzmer, N. Beukes, C. Rosière, 2008 .

Chapter 10 Proterozoic Iron-Formations*

N. Beukes, C. Klein, 1992 .

Precambrian Iron-Formations of Southern Africa

N. Beukes, 1973 .

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

H. M. Rajesh, N. Beukes, R. Armstrong, 2013 .

Facies relations, depositional environments and diagenesis in a major early Proterozoic stromatolitic carbonate platform to basinal sequence, Campbellrand Subgroup, Transvaal Supergroup, Southern Africa

N. Beukes, 1987 .

Provenance and reconnaissance study of detrital zircons of the Palaeozoic Cape Supergroup in South Africa: revealing the interaction of the Kalahari and Río de la Plata cratons

E. Nakamura, N. Beukes, U. Zimmermann, 2011 .

Nitrogen fixation sustained productivity in the wake of the Palaeoproterozoic Great Oxygenation Event

R. Summons, G. Luo, N. Beukes, 2018, Nature Communications.

Early evolution of atmospheric oxygen from multiple-sulfur and carbon isotope records of the 2.9 Ga Mozaan Group of the Pongola Supergroup, Southern Africa

M. Fogel, N. Beukes, D. Rumble, 2006 .

Paleoarchean sulfur cycling: Multiple sulfur isotope constraints from the Barberton Greenstone Belt, South Africa

H. Strauss, U. Schwarz-Schampera, N. Arndt, 2015 .

1 Sulfur Sources of Buckshot Pyrite in the Auriferous Conglomerates of the Mesoarchean Witwatersrand 1 and Ventersdorp Supergroups , South Africa 2 3

J. Gutzmer, N. Beukes, S. Ono, 2015 .

Sulfur sources of sedimentary “buckshot” pyrite in the Auriferous Conglomerates of the Mesoarchean Witwatersrand and Ventersdorp Supergroups, Kaapvaal Craton, South Africa

J. Gutzmer, N. Beukes, S. Ono, 2014, Mineralium Deposita.

Sulfur sources of buckshot pyrite in the Auriferous Conglomerates of the Mesoarchean Witwatersrand and Ventersdorp Supergroups, South Africa

J. Gutzmer, N. Beukes, S. Ono, 2014 .

Lithofacies control on multiple-sulfur isotope records and Neoarchean sulfur cycles

A. J. Kaufman, D. Sumner, J. Farquhar, 2009 .

Isotopic Constraints on the Late Archean Carbon Cycle from the Transvaal Supergroup along the Western Margin of the Kaapvaal Craton, South Africa

A. Knoll, D. Schrag, H. Strauss, 2009 .

Sedimentology and geochemistry of the glaciogenic late Proterozoic Rapitan Iron-Formation in Canada

N. Beukes, C. Klein, 1993 .

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.

A. J. Kaufman, J. Hayes, N. Beukes, 1990, Economic geology and the bulletin of the Society of Economic Geologists.

Geochemistry and sedimentology of a facies transition — from microbanded to granular iron-formation — in the early Proterozoic Transvaal Supergroup, South Africa

N. Beukes, C. Klein, 1990 .

Geochemistry and sedimentology of a facies transition from limestone to iron-formation deposition in the early Proterozoic Transvaal Supergroup, South Africa

N. Beukes, C. Klein, 1989 .

Geochemical stratigraphy, sedimentology, and Mo isotope systematics of the ca. 2.58–2.50 Ga-old Transvaal Supergroup carbonate platform, South Africa

N. Beukes, M. Wille, R. Schoenberg, 2015 .

Deposition, Diagenesis, and Secondary Enrichment of Metals in the Paleoproterozoic Hotazel Iron Formation, Kalahari Manganese Field, South Africa

N. Beukes, H. Tsikos, C. Harris, 2003 .

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

E. Dantas, N. Beukes, M. Bau, 2015 .

Life on a Mesoarchean marine shelf – insights from the world’s oldest known granular iron formation

J. Gutzmer, A. Czaja, F. de Beer, 2020, Scientific Reports.

Modern weathering in outcrop samples versus ancient paleoredox information in drill core samples from a Mesoarchaean marine oxygen oasis in Pongola Supergroup, South Africa

B. Kamber, N. Beukes, R. Schoenberg, 2019, Geochimica et Cosmochimica Acta.

A lithostratigraphic-sedimentological reference profile for the late Archaean Mozaan Group, Pongola Sequence; application to sequence stratigraphy and correlation with the Witwatersrand Supergroup

B. Cairncross, N. Beukes, 1991 .

The Composition and Depositional Environments of Mesoarchean Iron Formations of the West Rand Group of the Witwatersrand Supergroup, South Africa

J. Gutzmer, N. Beukes, A. J. Smith, 2013 .

From BIF to red beds: Sedimentology and sequence stratigraphy of the Paleoproterozoic Koegas Subgroup (South Africa)

J. Gutzmer, N. Beukes, S. Schröder, 2011 .

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

K. Konhauser, J. Gutzmer, F. Blanckenburg, 2010 .

Introduction: Initial Investigations of a Neoarchean Shelf Margin-Basin Transition (Transvaal Supergroup, South Africa)

A. Knoll, N. Beukes, 2009 .

Low-latitude glaciation in the Palaeoproterozoic era

J. Kirschvink, N. Beukes, D. Evans, 1997, Nature.

Filamentous microfossils in the early proterozoic transvaal supergroup: their morphology, significance, and paleoenvironmental setting

J. Schopf, N. Beukes, C. Klein, 1987 .

Correlating multiple Neoarchean–Paleoproterozoic impact spherule layers between South Africa and Western Australia

D. Sumner, J. Gutzmer, N. Beukes, 2009 .

Sequence stratigraphic development of the Neoarchean Transvaal carbonate platform, Kaapvaal Craton, South Africa

D. Sumner, N. Beukes, 2006 .

Pb, O, and C isotopes in silicified Mooidraai dolomite (Transvaal Supergroup, South Africa): implications for the composition of Paleoproterozoic seawater and `dating' the increase of oxygen in the Precambrian atmosphere

R. Romer, N. Beukes, V. Lüders, 1999 .

The manganese adventure: The South African manganese fields

J. Gutzmer, B. Cairncross, N. Beukes, 1997 .

Sedimentology of the Kuruman and Griquatown Iron-formations, Transvaal Supergroup, Griqualand West, South Africa

N. Beukes, 1984 .

First detection of extraterrestrial material in ca. 2.49 Ga impact spherule layer in Kuruman Iron Formation, South Africa

N. Beukes, B. Simonson, S. Goderis, 2015 .

Nature and origin of the protolith succession to the Paleoproterozoic Serra do Navio manganese deposit, Amapa Province, Brazil

J. Gutzmer, N. Beukes, J. Huizenga, 2012 .

Tropical laterites, life on land, and the history of atmospheric oxygen in the Paleoproterozoic

J. Gutzmer, H. Ohmoto, N. Beukes, 2002 .

Environmental control on diverse stromatolite morphologies in the 3000 Myr Pongola Supergroup, South Africa

D. Lowe, N. Beukes, 1989 .

The paleoenvironmental implications of pre-Great Oxidation Event manganese deposition in the Mesoarchean Ijzermijn Iron Formation Bed, Mozaan Group, Pongola Supergroup, South Africa

N. Beukes, A. J. Smith, A. J. Smith, 2023, Precambrian Research.

The Geochemistry of Banded Iron Formation-Hosted High-Grade Hematite-Martite Iron Ores

J. Gutzmer, N. Beukes, J. Mukhopadhyay, 2008 .

Supergene Ferromanganese Wad Deposits Derived from Permian Karoo Strata along the Late Cretaceous–Mid-Tertiary African Land Surface, Ryedale, South Africa

S. Hoernes, J. Gutzmer, N. Beukes, 2000 .

Geochemistry and ion microprobe (SHRIMP) age of a quartz porphyry sill in the Mozaan Group of the Pongola Supergroup: implications for the Pongola and Witwatersrand Supergroups

J. Gutzmer, N. Beukes, M. Barley, 1999 .

Mineralogy and mineral chemistry of oxide-facies manganese ores of the Postmasburg manganese field, South Africa

J. Gutzmer, N. Beukes, 1997, Mineralogical Magazine.

A volcanic-exhalative origin for the world's largest (Kalahari) manganese field

J. Gutzmer, N. Beukes, 1996 .

Fault-controlled metasomatic alteration of early Proterozoic sedimentary manganese ores in the Kalahari manganese field, South Africa

J. Gutzmer, N. Beukes, 1995 .

Microbial sulphur-cycling and atmospheric signatures in the 2.52 Ga Gamohaan Formation, South Africa

N. McLoughlin, D. Wacey, Yanan Shen, 2023, Earth and Planetary Science Letters.

THE MANGANESE FORMATION OF THE NEOPROTEROZOIC PENGANGA GROUP, INDIA—REVISION OF AN ENIGMA—A REPLY

J. Gutzmer, N. Beukes, 1998 .

Iron formation carbonates: Paleoceanographic proxy or recorder of microbial diagenesis?

N. Beukes, B. Beard, C. Johnson, 2013 .

New evidence for thrust faulting in Griqualand West, South Africa; implications for stratigraphy and the age of red beds

N. Beukes, C. A. Smit, C. Smit, 1987 .

Phase relations of stilpnomelane, ferri-annite, and riebeckite in very low-grade metamorphosed iron-formations

T. Miyano, N. Beukes, 1984 .

Extending the paleogeographic range and our understanding of the Neoarchean Monteville impact spherule layer (Transvaal Supergroup, South Africa)

N. Beukes, B. Simonson, S. Biller, 2018, Meteoritics & Planetary Science.

Origin and Paleoenvironmental Significance of Major Iron Formations at the Archean-Paleoproterozoic Boundary

J. Gutzmer, N. Beukes, 2008 .

Chapter 4 Palaeoenvironmental Setting of Iron-Formations in the Depositional Basin of the Transvaal Supergroup, South Africa

N. Beukes, 1983 .

Ooids and Oolites of the Proterophytic Boomplaas Formation, Transvaal Supergroup, Griqualand West, South Africa

N. Beukes, 1983 .

Transition from siliciclastic to carbonate sedimentation near the base of the Transvaal supergroup, northern Cape Province, South Africa

N. Beukes, 1977 .

Depth-dependent δ 13 C trends in platform and slope settings of the Campbellrand-Malmani carbonate platform and possible implications for Early Earth oxygenation

E. Swanner, N. Beukes, M. Wille, 2017 .

Transvaal Supergroup carbonates: Implications for Paleoproterozoic δ18O and δ13C records

J. Veizer, N. Beukes, L. Coetzee, 2009 .

PALEOENVIRONMENTAL CONTROLS ON THE TEXTURE AND CHEMICAL COMPOSITION OF PYRITE FROM NON-CONGLOMERATIC SEDIMENTARY ROCKS OF THE MESOARCHEAN WITWATERSRAND SUPERGROUP, SOUTH AFRICA

J. Gutzmer, N. Beukes, B. Guy, 2010 .

Red Bed-Hosted Oncolitic Manganese Ore of the Paleoproterozoic Soutpansberg Group, Bronkhorstfontein, South Africa

J. Gutzmer, N. Beukes, M. Schaefer, 2002 .

Late Paleoproterozoic Mn-rich oncoids: Earliest evidence for microbially mediated Mn precipitation

J. Gutzmer, N. Beukes, M. Schaefer, 2001 .

Physicochemical environments for the formation of quartz-free manganese oxide ores from the early Proterozoic Hotazel Formation, Kalahari manganese field, South Africa

T. Miyano, N. Beukes, 1987 .

The pre-Karoo geology of the southern portion of the Kaapvaal Craton, South Africa

T. McCarthy, N. Beukes, R. Armstrong, 2018 .

Timing of supergene enrichment of low-grade sedimentary manganese ores in the Kalahari Manganese Field, South Africa

J. Gutzmer, N. Beukes, A. D. Plooy, 2012 .

Mineral transformations during thermal demagnetization of sideritic jasper mesobands in jaspilites of the ~3.25 Ga Fig Tree Group in the Barberton Greenstone Belt, Kaapvaal craton (South Africa)

N. Beukes, L. Maré, M. D. Kock, 2018, South African Journal of Geology.

Geochemistry of bedded barite of the Mesoproterozoic Aggeneys-Gamsberg Broken Hill-type district, South Africa

H. Strauss, J. Gutzmer, N. Beukes, 2007 .

Fluid inclusion studies in cogenetic hematite, hausmannite, and gangue minerals from high-grade manganese ores in the Kalahari manganese field, South Africa

J. Gutzmer, N. Beukes, V. Lueders, 1999 .

Cretaceous Karstic Cave-Fill Manganese-Lead-Barium Deposits of Imini, Morocco

J. Gutzmer, N. Beukes, J. Mukhopadhyay, 2006 .

Compositional variations in manganese carbonate micronodules from the Lower Proterozoic Nsuta deposit, Ghana: product of authigenic precipitation or post-formational diagenesis?

Masahiro Yamamoto, N. Beukes, F. Nyame, 2003 .

Mineral paragenesis of the Kalahari managanese field, South Africa

J. Gutzmer, N. Beukes, 1996 .

Fault-controlled metasomatic alteration of Early Proterozoic sedimentary manganese ore at Mamatwan Mine, Kalahari manganese field, South Africa

J. Gutzmer, N. Beukes, H. Yeh, 1997 .

Mineralogy and Petrology of the Contact Metamorphosed Amphibole Asbestos-bearing Penge Iron Formation, Eastern Transvaal, South Africa

T. Miyano, N. Beukes, 1997 .

Archean to early Paleoproterozoic iron formations document a transition in iron oxidation mechanisms

Lianchang Zhang, N. Planavsky, S. Lalonde, 2022, Geochimica et Cosmochimica Acta.

Paleomagnetic Constraints on Ages of Mineralization in theKalahari Manganese Field, South Africa

J. Kirschvink, J. Gutzmer, N. Beukes, 2001 .

Sole Marks and Combined-flow Storm Event Beds in the Brixton Formation of the Siliciclastic Archean Witwatersrand Supergroup, South Africa

N. Beukes, 1996 .

A paleoweathering profile from Griqualand West, South Africa: evidence for a dramatic rise in atmospheric oxygen between 2.2 and 1.9 bybp.

N. Beukes, H. D. Holland, 1990, American journal of science.

Paleomagnetism of a lateritic paleoweathering horizon and overlying Paleoproterozoic red beds from South Africa: Implications for the Kaapvaal apparent polar wander path and a confirmation of atmospheric oxygen enrichment

J. Kirschvink, N. Beukes, D. Evans, 2002 .

Precise SHRIMP U-Pb zircon age constraints on the lower Waterberg and Soutpansberg Groups, South Africa

J. Gutzmer, N. Beukes, R. Armstrong, 2006 .

Carbon isotope study of early paleoproterozoic interglacial carbonates in North America and South Africa: Implications for the earliest stages of the carbon isotope excursion

A. Bekker, N. Beukes, J. A. Karhu, 1998 .

Earliest laterites and possible evidence for terrestrial vegetation in the Early Proterozoic

J. Gutzmer, N. Beukes, 1998 .

Bar to bank flow convergence zones; a contribution to the origin of alluvial placers

N. Smith, N. Beukes, 1983 .

Detrital zircon U–Pb ages of the Palaeozoic Natal Group and Msikaba Formation, Kwazulu-Natal, South Africa: provenance areas in context of Gondwana

J. Kramers, N. Beukes, C. Vorster, 2015, Geological Magazine.

Life on a Mesoarchean marine shelf – insights from the world’s oldest known granular iron formation

J. Gutzmer, A. Czaja, F. de Beer, 2020, Scientific Reports.

Paleoproterozoic snowball earth: extreme climatic and geochemical global change and its biological consequences.

J. Kirschvink, E. Gaidos, J. Gutzmer, 2000, Proceedings of the National Academy of Sciences of the United States of America.

1170 Ma SHRIMP age for Koras Group bimodal volcanism, Northern Cape Province

J. Gutzmer, N. Beukes, M. Barley, 2000 .

Constraints on the development of Proterozoic basins in central India from 40Ar/39Ar analysis of authigenic glauconitic minerals

J. Hein, N. Beukes, J. Mukhopadhyay, 2011 .

Long-lived stable shelf deposition along Gondwana's southern margin during the Ordovician-Silurian: Inferences from U Pb detrital zircon ages of the Table Mountain Group (South Africa) and correlatives in Argentina and the Falklands/Malvinas Islands

J. Kramers, N. Beukes, C. Penn-Clarke, 2021 .

New insight into the tectonic setting of fault-bounded Indian Gondwana coal basins from U–Pb detrital zircon provenance ages of the Bokaro and Jharia basins, central east India

N. Beukes, J. Mukhopadhyay, C. Vorster, 2022, Geological Magazine.

Zoning of platinum group mineral assemblages in the UG2 chromitite determined through in situ SEM-EDS-based image analysis

J. Gutzmer, N. Beukes, R. J. Voordouw, 2010 .

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

G. Ghosh, N. Beukes, J. Mukhopadhyay, 2008, The Journal of Geology.

The onset of oxidative weathering traced by uranium isotopes

A. Hofmann, T. Nägler, N. Beukes, 2020 .

Ancient sub-seafloor alteration of basaltic andesites of the Ongeluk Formation, South Africa: implications for the chemistry of Paleoproterozoic seawater

J. Gutzmer, D. Banks, N. Beukes, 2003 .

Fractionation between inorganic and organic carbon during the Lomagundi (2.22–2.1 Ga) carbon isotope excursion

A. Bekker, W. Patterson, C. Holmden, 2008 .

Palaeoproterozoic Banded Iron formationhosted High-Grade Hematite Iron Ore Deposits of the Transvaal Supergroup, South Africa

N. Beukes, A. J. Smith, A. J. Smith, 2016 .

Manganese Deposits of Africa

N. Beukes, H. Wabo, Edward P.W. Swindell, 2016 .

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

Richarde Marques da Silva, M. de Kock, N. Beukes, 2016 .

Petrography and geochemistry of a 2000–2200-Ma-old hematitic Paleo-alteration profile on Ongeluk basalt of the Transvaal supergroup, Griqualand West, South Africa

H. Wiggering, N. Beukes, 1990 .

Intrusive origin for Upper Group (UG1, UG2) stratiform chromitite seams in the Dwars River area, Bushveld Complex, South Africa

J. Gutzmer, N. Beukes, R. J. Voordouw, 2009 .

Alteration and metasomatism of the UG2 melanorite and its stratiform pegmatoids, Bushveld Complex, South Africa –characteristics, timing and origins.

N. Beukes, R. J. Voordouw, 2009 .

Stratabound magnetite deposits from the eastern outcrop belt of the Archaean Iron Ore Group, Singhbhum craton, India

J. Gutzmer, N. Beukes, J. Mukhopadhyay, 2008 .

Constraining the Chronology of the Mashishing Dykes from the Eastern Kaapvaal Craton in South Africa

N. Beukes, L. Maré, M. D. Kock, 2018, Springer Geology.

Evidence for free oxygen in the Neoarchean ocean based on coupled iron-molybdenum isotope fractionation

E. Roden, T. Nägler, A. Czaja, 2011 .

Biofilm Growth and Fossil Form

D. Rothman, T. Bosak, A. Petroff, 2013 .

Biofilm Growth and Fossil Form Citation

D. Rothman, T. Bosak, N. Beukes, 2013 .

Evidence for oxygenic photosynthesis half a billion years before the Great Oxidation Event

Christopher T. Reinhard, Timothy W. Lyons, Noah J. Planavsky, 2014 .

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.

J. Gutzmer, N. Beukes, T. Kakegawa, 2006 .

Formation of jasper and andradite during low-temperature hydrothermal seafloor metamorphism, Ongeluk Formation, South Africa

J. Gutzmer, N. Beukes, V. Lüders, 2001 .

DEPOSITIONAL ENVIRONMENT AND LITHOSTRATIGRAPHY OF THE PALEOPROTEROZOIC MOOIDRAAI FORMATION, KALAHARI MANGANESE FIELD, SOUTH AFRICA

M. Kunzmann, J. Gutzmer, N. Beukes, 2014 .

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

N. Beukes, R. Armstrong, M. D. Kock, 2012 .

Paleomagnetism of a Neoarchean-Paleoproterozoic carbonate ramp and carbonate platform succession (Transvaal Supergroup) from surface outcrop and drill core, Griqualand West region, South Africa

J. Kirschvink, N. Beukes, M. D. Kock, 2009 .

Effects of mass transfer, compaction and secondary porosity on hydrothermal upgrading of Paleoproterozoic sedimentary manganese ore in the Kalahari manganese field, South Africa

J. Gutzmer, N. Beukes, 1997 .

Paleomagnetism and chronology of B-1 marginal sills of the Bushveld Complex from the eastern Kaapvaal Craton, South Africa

M. de Kock, N. Beukes, M. Klausen, 2016 .

Reconciling discrepant minor sulfur isotope records of the Great Oxidation Event

R. Summons, N. Beukes, S. Ono, 2023, Nature Communications.

Asbestiform manjiroite and todorokite from the Kalahari manganese field, South Africa

J. Gutzmer, N. Beukes, 2000 .

Sources of Rare-Earth Elements and Iron in Paleoproterozoic Iron-Formations from the Transvaal Supergroup, South Africa: Evidence from Neodymium Isotopes

N. Beukes, P. Dulski, M. Bau, 1997, The Journal of Geology.

Sulfur-oxidizing bacteria prior to the Great Oxidation Event from the 2.52 Ga Gamohaan Formation of South Africa

A. Czaja, N. Beukes, J. Osterhout, 2016 .

The chemostratigraphy of a Paleoproterozoic MnF- BIF succession –the Voëlwater Subgroup of the Transvaal Supergroup in Griqualand West, South Africa

H. Strauss, J. Gutzmer, N. Beukes, 2006 .

Origin and Timing of Banded Iron Formation-Hosted High-Grade Hard Hematite Deposits—A Paleomagnetic Approach

J. Gutzmer, N. Beukes, M. D. Kock, 2008 .

Hydrogeological constraints on the formation of Palaeoproterozoic banded iron formations

Sean P. Funk, B. Rostron, D. Alessi, 2019, Nature Geoscience.

Decimeter-scale mapping of carbonate-controlled trace element distribution in Neoarchean cuspate stromatolites

P. Manning, R. Garwood, U. Bergmann, 2019, Geochimica et Cosmochimica Acta.

Organotemplate silica deposition in Neoproterozoic deep‐marine environments: evidence from the Penganga Group, Adilabad, India

J. Gutzmer, N. Beukes, J. Mukhopadhyay, 2004 .

Palaeomagnetism of Mesoproterozoic limestone and shale successions of some Purana basins in southern India

M. de Kock, N. Beukes, J. Mukhopadhyay, 2015, Geological Magazine.

Manganese mobility during metamorphism : An example from the 2 . 5 Ga Kuruman-Penge Formation

W. Fischer, N. Beukes, S. Webb, 2015 .

Stratigraphic and geochemical framework of the Agouron drill cores, Transvaal Supergroup (Neoarchean–Paleoproterozoic, South Africa)

Juan Pablo Lacassie, Stefan Schröder, N. Beukes, 2006 .

Karst-hosted fresh-water Paleoproterozoic manganese deposits, Postmasburg, South Africa

J. Gutzmer, N. Beukes, 1996 .

The Proterozoic Biosphere: Proterozoic Atmosphere and Ocean

J. Kasting, L. Kump, D. Lowe, 1992 .

Genesis of High-Grade Iron Ores of the Archean Iron Ore Group around Noamundi, India

Jens Gutzmer, J. Gutzmer, N. Beukes, 2008 .

Carbon and sulfur isotopic compositions of organic carbon and pyrite in sediments from the Transvaal Supergroup, South Africa

Harald Strauss, H. Strauss, N. Beukes, 1996 .

Oxygen isotope composition of hematite and genesis of high-grade BIF-hosted iron ores

Z. Sharp, J. Gutzmer, N. Beukes, 2006 .

Deflating the shale gas potential of South Africa’s Main Karoo basin

N. Beukes, A. Götz, D. Cole, 2017 .

Post-Gondwana pedogenic ferromanganese deposits, ancient soil profiles, African land surfaces and palaeoclimatic change on the Highveld of South Africa

J. Gutzmer, N. Beukes, H. Niekerk, 1999 .

The genetic significance of carbon and oxygen isotopic variations in Mn-bearing carbonates from the Palaeo-Proterozoic (∼2.2GA) Nsuta deposit in the Birimian of Ghana

N. Beukes, F. Nyame, 2006, Carbonates and evaporites.

Manganese oxide shuttling in pre-GOE oceans – evidence from molybdenum and iron isotopes

N. Beukes, M. Wille, R. Schoenberg, 2016 .

Open ocean vs. continentally-derived iron cycles along the Neoarchean Campbellrand-Malmani Carbonate platform, South Africa

S. Pascarelli, E. Swanner, N. Beukes, 2018, American Journal of Science.

Stratigraphy, Depositional Setting, and SHRIMP U-Pb Geochronology of the Banded Iron Formation–Bearing Bailadila Group in the Bacheli Iron Ore Mining District, Bastar Craton, India

J. Gutzmer, M. de Kock, N. Beukes, 2021, The Journal of Geology.

Geology and Genesis of the Major Banded Iron Formation-Hosted High-Grade Iron Ore Deposits of India

J. Gutzmer, N. Beukes, J. Mukhopadhyay, 2008 .

Discussion of metamorphic evidence for early post-Bushveld sills in the Penge Iron Formation, Transvaal Sequence, Eastern Transvaal. Reply

N. Beukes, D. D. Reenen, R. G. Cawthorn, 1988 .

A NEW CHRONOSTRATIGRAPHIC PARADIGM FOR THE AGE AND TECTONIC HISTORY OF THE MESOPROTEROZOIC BUSHMANLAND ORE DISTRICT, SOUTH AFRICA—A DISCUSSION

J. Gutzmer, N. Beukes, C. Mcclung, 2009 .

Precambrian Colluvial Iron Ores in the Singhbhum Craton: Implications for Origin, Age of BIF-Hosted High-Grade Iron Ores and Stratigraphy of the Iron Ore Group

G. Ghosh, J. Gutzmer, N. Beukes, 2007 .

Lithofacies and stratigraphy of the Kuruman and Griquatown iron-formations, Northern Cape Province, South Africa

N. Beukes, 1980 .

Biogeochemistry: early options in photosynthesis.

N. Beukes, 2004 .

AN 40AR/39AR AGE OF SUPERGENE K-MN OXYHYDROXIDES IN A POST-GONDWANA SOIL PROFILE ON THE HIGHVELD OF SOUTH AFRICA

Jens Gutzmer, J. Gutzmer, N. Beukes, 1999 .

Manganese carbonate-bearing mudstone of the Witwatersrand-Mozaan succession in southern Africa as evidence for bacterial manganese respiration and availability of free molecular oxygen in Mesoarchaean oceans

J. Gutzmer, N. Beukes, A. Smith, 2023, South African Journal of Geology.

Rapid oxygenation of Earths atmosphere 2.33 billion years ago

Roger E. Summons, Shuhei Ono, R. Summons, 2016 .

Fault-controlled hydrothermal alteration of Palaeoproterozoic manganese ore in Wessels Mine, Kalahari Managanese Field

J. Gutzmer, N. Beukes, A. Burger, 1995 .

Discovery of a Neoarchean impact spherule horizon in the Transvaal Supergroup of South Africa and possible correlations to the Hamersley Basin of western Australia

N. Beukes, B. Simonson, S. Hassler, 1997 .

Late Archean impact spherule layer in South Africa that may correlate with a Western Australian layer

N. Beukes, B. Simonson, S. Hassler, 1999 .

alidating the existence of Vaalbara in the Neoarchean ichiel

N. Beukes, D. Evans, O. D. Kock, 2009 .

Palaeomagnetism of the uppermost carbonate units of the Purana basins in southern India: new demagnetization results from the Kaladgi and Bhima basins, Karnataka

V. Hegde, M. de Kock, N. Beukes, 2020, Geological Magazine.

New interpretation of the origin of tiger ’ seye : Comment and Reply COMMENT

J. Gutzmer, B. Cairncross, N. Beukes, 2004 .

Suggestions towards a classification of and nomenclature for iron-formation

N. Beukes, 1980 .

Evidence for contemporaneous deposition of the Duitschland and Rooihoogte formations (Transvaal Supergroup): Implications for tempo and mode of Earth’s Great Oxidation

N. Beukes, B. Eickmann, S. Schröder, 2023, Precambrian Research.

Spatial and temporal distribution of microbially induced sedimentary structures: A case study from siliciclastic storm deposits of the 2.9 Ga Witwatersrand Supergroup, South Africa

R. Hazen, J. Gutzmer, N. Noffke, 2006 .

Isotopic evidence for iron mobilization during Paleoproterozoic lateritization of the Hekpoort paleosol profile from Gaborone, Botswana

J. Gutzmer, H. Ohmoto, N. Beukes, 2007 .

Validating the existence of Vaalbara in the Neoarchean

M. de Kock, N. Beukes, M. D. Kock, 2009 .