Dirk Schumann
Dirk Schumann
Fibics Incorporated (Ottawa, ON)
Geverifieerd e-mailadres voor fibics.com
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An Appalachian Amazon? Magnetofossil evidence for the development of a tropical river‐like system in the mid‐Atlantic United States during the Paleocene‐Eocene thermal maximum
RE Kopp, D Schumann, TD Raub, DS Powars, LV Godfrey, ...
Paleoceanography 24 (4), 2009
852009
Magnetofossil spike during the Paleocene‐Eocene thermal maximum: Ferromagnetic resonance, rock magnetic, and electron microscopy evidence from Ancora, New Jersey, United States
RE Kopp, TD Raub, D Schumann, H Vali, AV Smirnov, JL Kirschvink
Paleoceanography 22 (4), 2007
852007
Gigantism in unique biogenic magnetite at the Paleocene–Eocene Thermal Maximum
D Schumann, TD Raub, RE Kopp, JL Guerquin-Kern, TD Wu, I Rouiller, ...
Proceedings of the National Academy of Sciences 105 (46), 17648-17653, 2008
722008
The growth and concentration of uranium and titanium minerals in hydrocarbons of the Carbon Leader Reef, Witwatersrand Supergroup, South Africa
S Fuchs, D Schumann, AE Williams-Jones, H Vali
Chemical Geology 393, 55-66, 2015
352015
A mineralogical characterization of biogenic calcium carbonates precipitated by heterotrophic bacteria isolated from cryophilic polar regions
J Ronholm, D Schumann, HM Sapers, M Izawa, D Applin, B Berg, P Mann, ...
Geobiology 12 (6), 542-556, 2014
312014
Formation of replicating saponite from a gel in the presence of oxalate: Implications for the formation of clay minerals in carbonaceous chondrites and the origin of life
D Schumann, H Hartman, DD Eberl, SK Sears, R Hesse, H Vali
Astrobiology 12 (6), 549-561, 2012
142012
Applications of synchrotron X-ray techniques to orogenic gold studies; examples from the Timmins gold camp
JM Stromberg, LL Van Loon, R Gordon, A Woll, R Feng, D Schumann, ...
Ore Geology Reviews 104, 589-602, 2019
122019
A problematic tyrannosaurid (Dinosauria: Theropoda) skeleton and its implications for tyrannosaurid diversity in the Horseshoe Canyon Formation (Upper Cretaceous) of Alberta
JC Mallon, JR Bura, D Schumann, PJ Currie
The Anatomical Record 303 (4), 673-690, 2020
102020
Gold and uranium concentration by interaction of immiscible fluids (hydrothermal and hydrocarbon) in the Carbon Leader Reef, Witwatersrand Supergroup, South Africa
SHJ Fuchs, D Schumann, AE Williams-Jones, AJ Murray, M Couillard, ...
Precambrian Research 293, 39-55, 2017
102017
The influence of oxalate-promoted growth of saponite and talc crystals on rectorite: Testing the intercalation-synthesis hypothesis of 2: 1 layer silicates
DS Chumann, H Hartman, DD Eberl, SK Sears, R Hesse, H Vali
Clays and Clay Minerals 61 (4), 342-360, 2013
72013
Expansion behavior of octadecylammonium-exchanged low-to high-charge reference smectite-group minerals as revealed by high-resolution transmission electron microscopy on …
D Schumann, R Hesse, SK Sears, H Vali
Clays and Clay Minerals 62 (4), 336-353, 2014
62014
The early Neoproterozoic Chandindu formation of the fifteenmile group in the Ogilvie Mountains
M Kunzmann, GP Halverson, FA Macdonald, M Hodgskiss, PD Sansjofre, ...
Yukon Exploration and Geology 2013: Yukon Geological Survey, 93-107, 2014
52014
Silicocarbonatitic melt inclusions in fluorapatite from the Yates prospect, Otter Lake, Québec: Evidence of marble anatexis in the central metasedimentary belt of the Grenville …
D Schumann, RF Martin, S Fuchs, J De Fourestier
The Canadian Mineralogist 57 (5), 583-604, 2019
42019
A Silicocarbonatitic Melt and Spinel-Bearing Dunite of Crustal Origin at the Parker Phlogopite Mine, Notre-Dame-du-Laus, Quebec, Canada
RF Martin, D Schumann
Minerals 9 (10), 613, 2019
32019
Combining Terapixel-Scale SEM Imaging and High-Resolution TEM Studies for Mineral Exploration.
D Schumann, S Fuchs, J Stromberg, A Laquerre, D Mayer, MW Phaneuf, ...
Microscopy and Microanalysis 20 (S3), 1008-1009, 2014
32014
Geochemical signatures of transgressive shale intervals from the 811 Ma Fifteenmile Group in Yukon, Canada: Disentangling sedimentary redox cycling from weathering alteration
TM Gibson, M Kunzmann, A Poirier, D Schumann, NJ Tosca, ...
Geochimica et Cosmochimica Acta 280, 161-184, 2020
22020
Trace metal distributions in sulfide scales of the seawater-dominated Reykjanes geothermal system: Constraints on sub-seafloor hydrothermal mineralizing processes and metal fluxes
HLJ Grant, MD Hannington, V Hardardóttir, SH Fuchs, D Schumann
Ore Geology Reviews 116, 103145, 2020
22020
Origin of spherulitic and cone-in-cone concretions in Cambro-Ordovician black shales, St Lawrence Estuary, Quebec, Canada
R Hesse, C Fong, D Schumann
Geological Magazine 156 (10), 1793-1804, 2019
22019
The incipient flash melting of scapolite and plagioclase megacrysts in alkali basalts of the Olot suite, Catalunya, Spain, and at Chuquet Genestoux, Puy-de-Dôme, France
L Torró, RF Martin, D Schumann, J Cox, S Galí Medina, ...
European Journal of Mineralogy 30 (1), 45-59, 2018
22018
A multi-proxy geochemical record from a late Neoproterozoic volcano-sedimentary basin, eastern Arabian Shield
GP Halverson, GM Cox, L Théou-Hubert, M Schmitz, JW Hagadorn, ...
McGill Univesity, Canada, unpublished poster, 2013
22013
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Artikelen 1–20