Search Results - "Nichols, Claire I. O."

A New Depositional Framework for Massive Iron Formations After the Great Oxidation Event by Athena Eyster, Latisha A. Brengman, Claire I. O. Nichols, Zoe Levitt, Julia Wilcots, Kristin D. Bergmann

“…Abstract The oldest recognized proxies for low atmospheric oxygen are massive iron‐rich deposits. Following the rise of oxygen ∼2.4 billion years ago (Ga),…”
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The end of the lunar dynamo by Mighani, Saied, Wang, Huapei, Shuster, David L, Borlina, Cauȇ S, Nichols, Claire I O, Weiss, Benjamin P

“…Magnetic measurements of the lunar crust and Apollo samples indicate that the Moon generated a dynamo magnetic field lasting from at least 4.2 until <2.5…”
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Using Meteorite Magnetism to Understand the History of Our Solar System: A Decade of Progress and Upcoming Challenges by Nichols, Claire I. O.

“…Key Points High spatial and magnetic moment sensitivity microscopy techniques have revolutionized meteorite paleomagnetism in the last decade Fu et al. (2021)…”
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Variations in the Magnetic Properties of Meteoritic Cloudy Zone by Claire I. O. Nichols, James F. J. Bryson, Roberts Blukis, Julia Herrero‐Albillos, Florian Kronast, Rudolf Rüffer, Aleksandr I. Chumakov, Richard J. Harrison

“…Abstract Iron and stony‐iron meteorites form the Widmanstätten pattern during slow cooling. This pattern is composed of several microstructures whose…”
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A dynamic planet by Duarte, João C., Fakhraee, Mojtaba, Gürer, Derya, Kwiecien, Ola, Nichols, Claire I. O.

“…Processes within the Earth shape and influence the surface environment and the emergence and evolution of life. Our Editorial board members outline recent…”
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Paleocene latitude of the Kohistan–Ladakh arc indicates multistage India–Eurasia collision by Martin, Craig R., Jagoutz, Oliver, Upadhyay, Rajeev, Royden, Leigh H., Eddy, Michael P., Bailey, Elizabeth, Nichols, Claire I. O., Weiss, Benjamin P.

“…We report paleomagnetic data showing that an intraoceanic Trans- Tethyan subduction zone existed south of the Eurasian continent and north of the Indian…”
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Tetrataenite’s magnetic personality by Nichols, Claire I. O.

“…Following on from insights gleaned from iron meteorites, Claire Nichols explains why tetrataenite, with its unique magnetic properties, could be key for future…”
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A unified intensity of the magnetic field in the protoplanetary disk from the Winchcombe meteorite by Bryson, James F. J., Nichols, Claire I. O., Mac Niocaill, Conall

“…One key feature of our protoplanetary disk that shaped its transformation into a system of planetary bodies was its vast magnetic field. Unique constraints on…”
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Long-lived magnetism from solidification-driven convection on the pallasite parent body by Bryson, James F. J., Nichols, Claire I. O., Herrero-Albillos, Julia, Kronast, Florian, Kasama, Takeshi, Alimadadi, Hossein, van der Laan, Gerrit, Nimmo, Francis, Harrison, Richard J.

“…Nanomagnetic imaging has been used to obtain a palaeomagnetic time series of two pallasite meteorites, revealing that their convection was driven by core…”
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Pallasite paleomagnetism: Quiescence of a core dynamo by Nichols, Claire I.O., Bryson, James F.J., Herrero-Albillos, Julia, Kronast, Florian, Nimmo, Francis, Harrison, Richard J.

“…Recent paleomagnetic studies of two Main Group pallasites, the Imilac and Esquel, have found evidence for a strong, late-stage magnetic field on the parent…”
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Possible Eoarchean Records of the Geomagnetic Field Preserved in the Isua Supracrustal Belt, Southern West Greenland by Nichols, Claire I. O., Weiss, Benjamin P., Eyster, Athena, Martin, Craig R., Maloof, Adam C., Kelly, Nigel M., Zawaski, Mike J., Mojzsis, Stephen J., Watson, E. Bruce, Cherniak, Daniele J.

“…Recovering ancient records of Earth's magnetic field is essential for determining the role of the magnetosphere in protecting early Earth from cosmic radiation…”
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A Time‐Resolved Paleomagnetic Record of Main Group Pallasites: Evidence for a Large‐Cored, Thin‐Mantled Parent Body by Nichols, Claire I. O., Bryson, James F. J., Cottrell, Rory D., Fu, Roger R., Harrison, Richard J., Herrero‐Albillos, Julia, Kronast, Florian, Tarduno, John A., Weiss, Benjamin P.

“…Several paleomagnetic studies have been conducted on five Main Group pallasites: Brenham, Marjalahti, Springwater, Imilac, and Esquel. These pallasites have…”
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The palaeoinclination of the ancient lunar magnetic field from an Apollo 17 basalt by Nichols, Claire I. O., Weiss, Benjamin P., Getzin, Brenna L., Schmitt, Harrison H., Béguin, Annemarieke, Rae, Auriol S. P., Shah, Jay

“…Palaeomagnetic studies of Apollo samples indicate that the Moon generated a magnetic field for at least 2 billion years 1 , 2 . However, the geometry of the…”
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Pb diffusion in magnetite: Dating magnetite crystallization and the timing of remanent magnetization in banded iron formation by Watson, E. Bruce, Cherniak, Daniele J., Nichols, Claire I.O., Weiss, Benjamin P.

“…The ferrimagnetic mineral magnetite (Fe3O4) is abundant in banded iron formation (BIFs), and has the potential to provide UPb or PbPb age information on these…”
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Early and elongated epochs of planetesimal dynamo generation by Sanderson, Hannah R., Bryson, James F.J., Nichols, Claire I.O.

“…Accreting in the first few million years (Ma) of the Solar System, planetesimals record conditions in the protoplanetary disc and are the remnants of planetary…”
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Unlocking planetesimal magnetic field histories: A refined, versatile model for thermal evolution and dynamo generation by Sanderson, Hannah R., Bryson, James F.J., Nichols, Claire I.O., Davies, Christopher J.

“…The thermal and magnetic histories of planetesimals provide unique insights into the formation and evolution of Earth’s building blocks. These histories can be…”
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Reappraisal of purported ca. 3.7 Ga stromatolites from the Isua Supracrustal Belt (West Greenland) from detailed chemical and structural analysis by Zawaski, Mike J., Kelly, Nigel M., Orlandini, Omero Felipe, Nichols, Claire I.O., Allwood, Abigail C., Mojzsis, Stephen J.

“…•Claimed ca. 3.7 Ga Isua stromatolites are instead granoblastic quartz + dolomite boudins.•Absence of internal convex upward laminae precludes classification…”
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Microstructural and paleomagnetic insight into the cooling history of the IAB parent body by Nichols, Claire I.O., Krakow, Robert, Herrero-Albillos, Julia, Kronast, Florian, Northwood-Smith, Geraint, Harrison, Richard J.

“…The IABs represent one of only two groups of iron meteorites that did not form by fractional crystallization of liquid Fe-Ni in the core of a differentiated…”
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Reply: The Isua (Greenland) “relict stromatolites” cannot be confidently interpreted as original sedimentary structures by Zawaski, Mike J., Kelly, Nigel M., Orlandini, Omero Felipe, Nichols, Claire I.O., Allwood, Abigail C., Mojzsis, Stephen J.

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Unlocking planetesimal magnetic field histories: a refined, versatile model for thermal evolution and dynamo generation by Sanderson, Hannah R, Bryson, James F. J, Nichols, Claire I. O, Davies, Christopher J

“…Icarus 116323 (2024) The thermal and magnetic histories of planetesimals provide unique insights into the formation and evolution of Earth's building blocks…”
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