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GeoRef Categories
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N.J. Beukes
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Journal Article
Atmospheric oxygenation at the onset of Earth’s Great Oxidation forced enhanced marine anoxia Open Access
Journal: South African Journal of Geology
Publisher: Geological Society of South Africa
Published: 01 June 2024
South African Journal of Geology (2024) 127 (2): 455–472.
Journal Article
Sedimentary and stratigraphic architecture of the Duitschland and Rooihoogte formations (Palaeoproterozoic, South Africa): implications for tempo of the Great Oxidation Event Available to Purchase
Journal: South African Journal of Geology
Publisher: Geological Society of South Africa
Published: 01 June 2024
South African Journal of Geology (2024) 127 (2): 433–454.
Journal Article
Late Mesoproterozoic iron and manganese deposition on a deep-water carbonate platform (Penganga Group), Adilabad, India: Constraints from C, O and Sr isotopes Available to Purchase
Journal: South African Journal of Geology
Publisher: Geological Society of South Africa
Published: 01 June 2024
South African Journal of Geology (2024) 127 (2): 521–536.
Journal Article
U-Pb detrital zircon age determination and provenance of the lower Karoo succession from the Karoo Research Initiative (KARIN) borehole KWV-1, Eastern Cape Province, South Africa Available to Purchase
Journal: South African Journal of Geology
Publisher: Geological Society of South Africa
Published: 01 June 2024
South African Journal of Geology (2024) 127 (2): 537–554.
Journal Article
Stratigraphy and Basin Analysis of the West Rand Group, Witwatersrand Supergroup Open Access
Journal: South African Journal of Geology
Publisher: Geological Society of South Africa
Published: 01 June 2024
South African Journal of Geology (2024) 127 (2): 239–270.
Journal Article
Mineralogy and mineral paragenesis of the Palaeoproterozoic manganese ores of the Avontuur deposit of the Kalahari Manganese Field, South Africa Available to Purchase
Journal: South African Journal of Geology
Publisher: Geological Society of South Africa
Published: 01 March 2024
South African Journal of Geology (2024) 127 (1): 31–54.
Journal Article
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 Available to Purchase
Journal: South African Journal of Geology
Publisher: Geological Society of South Africa
Published: 01 March 2023
South African Journal of Geology (2023) 126 (1): 29–48.
Journal Article
The Puduhush gabbro in Griqualand West, South Africa: extending ca. 1.89 to 1.83 Ga intraplate magmatism across the proto-Kalahari Craton Available to Purchase
Journal: South African Journal of Geology
Publisher: Geological Society of South Africa
Published: 01 March 2023
South African Journal of Geology (2023) 126 (1): 75–92.
Journal Article
A ~1.4 Ga alkaline mafic sill from the Carletonville area: connection to the Pilanesberg Alkaline Province? Available to Purchase
Journal: South African Journal of Geology
Publisher: Geological Society of South Africa
Published: 10 November 2020
South African Journal of Geology (2020) 123 (4): 597–614.
Journal Article
Geochemistry of Paleoproterozoic saprolite developed in diabase intruding the Hotazel Formation in the Avontuur deposit of the Kalahari Manganese Field, South Africa Available to Purchase
Journal: South African Journal of Geology
Publisher: Geological Society of South Africa
Published: 01 March 2020
South African Journal of Geology (2020) 123 (1): 1–18.
Journal Article
Effects of metamorphism and metasomatism on manganese mineralogy: Examples from the Transvaal Supergroup Available to Purchase
Journal: South African Journal of Geology
Publisher: Geological Society of South Africa
Published: 01 December 2019
South African Journal of Geology (2019) 122 (4): 489–504.
Journal Article
Revised definition/outline of the Kheis Terrane along the western margin of the Kaapvaal Craton and lithostratigraphy of the newly proposed Keis Supergroup Available to Purchase
Journal: South African Journal of Geology
Publisher: Geological Society of South Africa
Published: 01 June 2019
South African Journal of Geology (2019) 122 (2): 187–220.
Journal Article
The age and country rock provenance of the Molopo Farms Complex: implications for Transvaal Supergroup correlation in southern Africa Available to Purchase
Journal: South African Journal of Geology
Publisher: Geological Society of South Africa
Published: 01 March 2019
South African Journal of Geology (2019) 122 (1): 39–56.
Journal Article
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) Available to Purchase
Journal: South African Journal of Geology
Publisher: Geological Society of South Africa
Published: 01 June 2018
South African Journal of Geology (2018) 121 (2): 131–140.
Journal Article
The pre-Karoo geology of the southern portion of the Kaapvaal Craton, South Africa Available to Purchase
Journal: South African Journal of Geology
Publisher: Geological Society of South Africa
Published: 01 March 2018
South African Journal of Geology (2018) 121 (1): 1–22.
Journal Article
DEPOSITIONAL ENVIRONMENT AND LITHOSTRATIGRAPHY OF THE PALEOPROTEROZOIC MOOIDRAAI FORMATION, KALAHARI MANGANESE FIELD, SOUTH AFRICA Available to Purchase
Journal: South African Journal of Geology
Publisher: Geological Society of South Africa
Published: 01 December 2014
South African Journal of Geology (2014) 117 (2): 173–192.
Journal Article
PALEOENVIRONMENTAL CONTROLS ON THE TEXTURE AND CHEMICAL COMPOSITION OF PYRITE FROM NON-CONGLOMERATIC SEDIMENTARY ROCKS OF THE MESOARCHEAN WITWATERSRAND SUPERGROUP, SOUTH AFRICA Available to Purchase
Journal: South African Journal of Geology
Publisher: Geological Society of South Africa
Published: 01 September 2010
South African Journal of Geology (2010) 113 (2): 195–228.
Journal Article
Evidence for an early Archaean granite from Bastar craton, India Available to Purchase
Journal: Journal of the Geological Society
Publisher: Geological Society of London
Published: 01 March 2009
Journal of the Geological Society (2009) 166 (2): 193–196.
Journal Article
Alteration and metasomatism of the UG2 melanorite and its stratiform pegmatoids, Bushveld Complex, South Africa –characteristics, timing and origins. Available to Purchase
Journal: South African Journal of Geology
Publisher: Geological Society of South Africa
Published: 01 March 2009
South African Journal of Geology (2009) 112 (1): 47–64.
Journal Article
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. Available to Purchase
Journal: South African Journal of Geology
Publisher: Geological Society of South Africa
Published: 01 June 2006
South African Journal of Geology (2006) 109 (1-2): 109–122.
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