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R. Bolhar · SciRah

Researcher profile · Semantic Scholar

R. Bolhar

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R. Bolhar — researcher profile on SciRah

h-index: 30
Works: 110
Citations: 3,721

Most-cited papers

A non-marine depositional setting for the northern Fortescue Group, Pilbara Craton, inferred from trace element geochemistry of stromatolitic carbonates
R. Bolhar, M. Van Kranendonk
2007341 citations
Semantic Scholar
A trace element study of siderite-jasper banded iron formation in the 3.45 Ga Warrawoona Group, Pilbara Craton - Formation from hydrothermal fluids and shallow seawater
R. Bolhar, M. Van Kranendonk, B. Kamber
2005179 citations
Semantic Scholar
Sources and evolution of arc magmas inferred from coupled O and Hf isotope systematics of plutonic zircons from the Cretaceous Separation Point Suite (New Zealand)
R. Bolhar, S. Weaver, M. Whitehouse, J. Palin +2 more
2008137 citations
Semantic Scholar
Chemical characterization of earth’s most ancient clastic metasediments from the Isua Greenstone Belt, southern West Greenland
R. Bolhar, B. Kamber, S. Moorbath, M. Whitehouse +1 more
2005113 citations
Semantic Scholar
Carbonaceous Cherts in the Barberton Greenstone Belt and Their Significance for the Study of Early Life in the Archean Record
A. Hofmann, R. Bolhar
2007Astrobiology102 citations
Semantic Scholar
An integrated zircon geochronological and geochemical investigation into the Miocene plutonic evolution of the Cyclades, Aegean Sea, Greece: Part 1: Geochronology
R. Bolhar, U. Ring, C. Allen
2010100 citations
Semantic Scholar
Extensional faulting on Tinos Island, Aegean Sea, Greece: How many detachments?
S. Brichau, U. Ring, A. Carter, P. Monié +3 more
200794 citations Open access
Semantic Scholar
Seismic cycles recorded in late Quaternary calcite veins: Geochronological, geochemical and microstructural evidence
I. Uysal, Yue-Xing Feng, Jian-Xin Zhao, R. Bolhar +4 more
201186 citations
Semantic Scholar
A trace element and Pb isotopic investigation into the provenance and deposition of stromatolitic carbonates, ironstones and associated shales of the 3.0 Ga Pongola Supergroup, Kaapvaal Craton
R. Bolhar, A. Hofmann, M. Siahi, Yue-Xing Feng +1 more
201582 citations
Semantic Scholar
Timing, slip rate, displacement and cooling history of the Mykonos detachment footwall, Cyclades, Greece, and implications for the opening of the Aegean Sea basin
S. Brichau, U. Ring, A. Carter, R. Bolhar +3 more
2008Journal of the Geological Society81 citations
Semantic Scholar
Microbial remains in some earliest Earth rocks: Comparison with a potential modern analogue
M. Glikson, L. Duck, S. Golding, A. Hofmann +4 more
200881 citations
Semantic Scholar
Systematics of zircon crystallisation in the Cretaceous Separation Point Suite, New Zealand, using U/Pb isotopes, REE and Ti geothermometry
R. Bolhar, Steve D. Weaver, J. Palin, J. Cole +1 more
200870 citations
Semantic Scholar
Cook Island artifact geochemistry demonstrates spatial and temporal extent of pre-European interarchipelago voyaging in East Polynesia
M. Weisler, R. Bolhar, Jinlong Ma, E. st Pierre +5 more
2016Proceedings of the National Academy of Sciences of the United States of America55 citations Open access
Semantic Scholar
U-Th-Pb fractionation in Archaean lower continental crust: Implications for terrestrial Pb isotope systematics
R. Bolhar, B. Kamber, K. Collerson
200754 citations
Semantic Scholar
CHERTS OF THE BARBERTON GREENSTONE BELT, SOUTH AFRICA: PETROLOGY AND TRACE-ELEMENT GEOCHEMISTRY OF 3.5 TO 3.3 GA OLD SILICIFIED VOLCANICLASTIC SEDIMENTS
A. Hofmann, R. Bolhar, B. Orberger, F. Foucher
201348 citations
Semantic Scholar
The Archaean geological history of the Singhbhum Craton, India – a proposal for a consistent framework of craton evolution
A. Hofmann, J. Jodder, Hang-Qiang Xie, R. Bolhar +2 more
2022Earth-Science Reviews44 citations
Semantic Scholar
Clinopyroxene and Garnet Mantle Cargo in Kimberlites as Probes of Dharwar Craton Architecture and Geotherms, with Implications for Post-1·1 Ga Lithosphere Thinning Events Beneath Southern India
Azhar M. Shaikh, S. Tappe, Y. Bussweiler, Suresh C. Patel +3 more
202039 citations
Semantic Scholar
Juvenile crust formation in the Zimbabwe Craton deduced from the O-Hf isotopic record of 3.8–3.1 Ga detrital zircons
R. Bolhar, A. Hofmann, A. Kemp, M. Whitehouse +2 more
201738 citations Open access
Semantic Scholar
Carbon dioxide-rich coals of the Oaky Creek area, central Bowen Basin: a natural analogue for carbon sequestration in coal systems
S. Golding, I. Uysal, R. Bolhar, C. Boreham +3 more
201338 citations
Semantic Scholar
CO2 degassing and trapping during hydrothermal cycles related to Gondwana rifting in eastern Australia
I. Uysal, S. Golding, R. Bolhar, Jian-Xin Zhao +3 more
201137 citations
Semantic Scholar
Light rare earth element systematics as a tool for investigating the petrogenesis of phoscorite-carbonatite associations, as exemplified by the Phalaborwa Complex, South Africa
L. Milani, R. Bolhar, D. Frei, D. Harlov +1 more
2017Mineralium Deposita36 citations Open access
Semantic Scholar
Enhanced terrestrial input into Paleoproterozoic to Mesoproterozoic carbonates in the southwestern South China Block during the fragmentation of the Columbia supercontinent
Wei Wang, R. Bolhar, Mei-Fu Zhou, Xin-Fu Zhao
2018Precambrian Research35 citations
Semantic Scholar
In situ LA–ICP-MS and EPMA trace element characterization of Fe–Ti oxides from the phoscorite–carbonatite association at Phalaborwa, South Africa
L. Milani, R. Bolhar, R. Cawthorn, D. Frei
2017Mineralium Deposita34 citations
Semantic Scholar
Trace element composition of near-surface silica deposits—A powerful tool for detecting hydrothermal mineral and energy resources
I. Uysal, M. Gasparon, R. Bolhar, Jian-Xin Zhao +2 more
201134 citations
Semantic Scholar
Atmospheric S and lithospheric Pb in sulphides from the 2.06 Ga Phalaborwa phoscorite-carbonatite Complex, South Africa
R. Bolhar, M. Whitehouse, L. Milani, N. Magalhães +4 more
2020Earth and Planetary Science Letters28 citations Open access
Semantic Scholar
The Nhlangano gneiss dome in south-west Swaziland – A record of crustal destabilization of the eastern Kaapvaal craton in the Neoarchaean
A. Hofmann, A. Kröner, Hang-Qiang Xie, E. Hegner +6 more
201526 citations
Semantic Scholar
An integrated zircon geochronological and geochemical investigation into the Miocene plutonic evolution of the Cyclades, Aegean Sea, Greece: part 2—geochemistry
R. Bolhar, U. Ring, A. Kemp, M. Whitehouse +4 more
2012Contributions to Mineralogy and Petrology23 citations
Semantic Scholar
Linking CO2 degassing in active fault zones to long-term changes in water balance and surface water circulation, an example from SW Turkey
I. Uysal, Ezgi Ünal-İmer, J. Shulmeister, Jian-Xin Zhao +3 more
2019Quaternary Science Reviews21 citations Open access
Semantic Scholar
Characterization of crustal xenoliths from the Bearpaw Mountains, Montana (USA), using U-Pb geochronology, whole-rock geochemistry and thermobarometry, with implications for lower crustal processes and evolution of the Wyoming Craton
Yashirvad Thakurdin, R. Bolhar, P. Horváth, A. Rocholl +1 more
2019Chemical Geology20 citations
Semantic Scholar
Oligocene/Early Miocene E/W‐Shortening in the Oman Mountains Related to Oblique Arabia‐India Convergence
A. Scharf, F. Mattern, R. Bolhar, I. Callegari +2 more
2022Tectonics19 citations
Semantic Scholar
Episodic subduction initiation triggered Jurassic magmatism in the Sanandaj–Sirjan zone, Iran
Reza Maghdour-Mashhour, B. Hayes, K. Pang, R. Bolhar +2 more
202118 citations
Semantic Scholar
Tilting, uplift, volcanism and disintegration of the South German block
U. Ring, R. Bolhar
202018 citations Open access
Semantic Scholar
The Great Falls Tectonic Zone after the assembly of Laurentia: evidence for long-term tectonic stability from xenolith apatite
G. O'Sullivan, Yashirvad Thakurdin, R. Bolhar, P. Horváth +2 more
202115 citations Open access
Semantic Scholar
Supplemental Material: Olivine in komatiite records origin and travel from the deep upper mantle
Allan M. Wilson, R. Bolhar
2021Geology15 citations Open access
Semantic Scholar
Sill Intrusion into Pyroxenitic Mush and the Development of the Lower–Upper Critical Zone Boundary of the Bushveld Complex: Implications for the Origin of Stratiform Anorthosites and Chromitites in Layered Intrusions
Reza Maghdour-Mashhour, B. Hayes, R. Bolhar, H. Ueckermann
202015 citations
Semantic Scholar
Determining Geochemical Variability of Fine-Grained Basalt Sources/Quarries for Facilitating Prehistoric Interaction Studies in Polynesia
M. Weisler, R. Bolhar, Michel Charleux, J. Faith +2 more
201615 citations
Semantic Scholar
Nappe Imbrication Within the Phyllite‐Quartzite Unit of West Crete: Implications for Sustained High‐Pressure Metamorphism in the Hellenide Subduction Orogen, Greece
U. Ring, C. Fassoulas, I. Uysal, R. Bolhar +2 more
2022Tectonics14 citations Open access
Semantic Scholar
Post-obduction listwaenite genesis in the Oman Mountains inferred from structural analysis and U-Pb carbonate dating
A. Scharf, C. Bailey, R. Bolhar, F. Mattern +1 more
2022Earth and Planetary Science Letters14 citations
Semantic Scholar
Maghemite soil nodules reveal the impact of fire on mineralogical and geochemical differentiation at the Earth’s surface
S. Löhr, D. Murphy, L. Nothdurft, R. Bolhar +2 more
201713 citations
Semantic Scholar
Clay mineralogical, geochemical and isotopic tracing of the evolution of the Woodleigh impact structure, Southern Carnarvon Basin, Western Australia
I. Uysal, A. Mory, S. Golding, R. Bolhar +1 more
200512 citations
Semantic Scholar
Redox state of the Dharwar craton root as inferred from eclogite and peridotite sourced mantle cargo, with implications for kimberlite and lamproite magma formation
Azhar M. Shaikh, Y. Bussweiler, F. Viljoen, R. Bolhar +4 more
2023Contributions to Mineralogy and Petrology10 citations Open access
Semantic Scholar
An apatite trace element and Sr-Nd isotope geochemical study of syenites and carbonatite, exemplified by the Epembe alkaline‑carbonatite complex, Namibia
M. Tshiningayamwe, R. Bolhar, P. Nex, H. Ueckermann +1 more
2022Lithos10 citations
Semantic Scholar
A petrochronology window into near-surface fluid/rock interaction within Archaean ultramafic-mafic crust: Insights from the 3.25 Ga Stolzburg Complex, Barberton Greenstone Belt
R. Bolhar, S. Tappe, A. Wilson, T. Ireland +2 more
202110 citations Open access
Semantic Scholar
Mantle-like Hf Nd isotope signatures in ~3.5 Ga greenstones: No evidence for Hadean crust beneath the East Pilbara Craton
J. Tympel, J. Hergt, R. Maas, J. Woodhead +3 more
20219 citations
Semantic Scholar
Platinum-group and trace elements in Cu-sulfides from the Loolekop pipe, Phalaborwa: implications for ore-forming processes
L. L. Le Bras, R. Bolhar, G. Bybee, P. Nex +3 more
2020Mineralium Deposita9 citations
Semantic Scholar
Formation of lower to middle crust of the Wyoming Craton, Montana (USA), using evidence from zircon Hf-O isotopic and trace element compositions
Yashirvad Thakurdin, R. Bolhar, P. Horváth, M. Wiedenbeck +1 more
2019Chemical Geology9 citations
Semantic Scholar
The archaeological documentation and geochemistry of the Rua Tokitoki adze quarry and the Poike fine‐grain basalt source on Rapa Nui (Easter Island)
D. Simpson, M. Weisler, E. st Pierre, Yue-Xing Feng +1 more
20189 citations Open access
Semantic Scholar
Reproducibility of elemental analyses of basaltic stone artefacts by quadruple icp-ms using different sample sizes and digestion methods, with implications for archaeological research
Jinlong Ma, R. Bolhar, M. Weisler, Yue-Xing Feng +1 more
20119 citations
Semantic Scholar
The magmatic-hydrothermal transition recorded by trace elements in quartz: a case study from the Zaaiplaats Tin Field, South Africa
L. Vonopartis, P. Nex, J. Kinnaird, L. Robb +1 more
2025Mineralium Deposita8 citations Open access
Semantic Scholar
A craton-wide geochemical study of Neoarchaean carbonate rocks of Zimbabwe
A. Hofmann, R. Bolhar, A. Kuznetsov, J. Jodder +2 more
2023Chemical Geology8 citations Open access
Semantic Scholar

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