Research
publications.

Earth’s magnetic field remained weak for 40 million years after the Cambrian radiation.

Lloyd, S. J., Biggin, A. J., Hopkins, R., Tully, A., Cych, B., Paterson, G. A., & Trindade, R. I. F.

Science Advances · 12(30), eaeg2325

DOI: 10.1126/sciadv.aeg2325

1,596 downloads on Science Advances · as at 25 September 2026

Mantle heterogeneity influenced Earth’s ancient magnetic field.

Biggin, A. J., Davies, C. J., Mound, J. E., Lloyd, S. J., Engbers, Y. E., Thallner, D., Clarke, A. T., & Bono, R. K.

Nature Geoscience · 19(3), 345–352

DOI: 10.1038/s41561-025-01910-1

Stabilization of full-vector palaeosecular variation in the last 5 Myr: insights from a newly updated palaeointensity (PINT) data base.

Chen, X., Biggin, A. J., & Lloyd, S. J.

Geophysical Journal International · 244(2)

DOI: 10.1093/gji/ggaf490

Low Geomagnetic Paleointensity in the Mid-Part of the Kiaman Superchron.

Lloyd, S. J., Biggin, A. J., Domeier, M., Lundmark, A. M., & van der Boon, A.

Journal of Geophysical Research: Solid Earth · 130, e2024JB030314

DOI: 10.1029/2024JB030314

Weak paleointensities from 1.6 Ga Greenland dykes: Further evidence for a billion-year period of paleomagnetic dipole low during the Paleoproterozoic.

Lloyd, S. J., Biggin, A. J., Halls, H., & Denyszyn, S.

Earth and Planetary Science Letters · 648, 119110

DOI: 10.1016/j.epsl.2024.119110

The use of high frequency microwaves in absolute palaeomagnetic intensity experiments.

Lloyd, S. J., Biggin, A. J., Hill, M. J., de Groot, L., Suttie, N., Morris, J., Boehnel, H., & Shaw, J.

Frontiers in Earth Science · 11, 1188528

DOI: 10.3389/feart.2023.1188528

Extremely weak early Cambrian dipole moment similar to Ediacaran: Evidence for long-term trends in geomagnetic field behaviour?

Lloyd, S. J., Biggin, A. J., Paterson, G. A., & McCausland, P. J. A.

Earth and Planetary Science Letters · 595, 117757

DOI: 10.1016/j.epsl.2022.117757

The PINT database: A definitive compilation of absolute palaeomagnetic intensity determinations since 4 billion years ago.

Bono, R. K., Paterson, G. A., van der Boon, A., Engbers, Y. A., Grappone, J. M., Handford, B., Hawkins, L. M. A., Lloyd, S. J., Sprain, C. J., Thallner, D., & Biggin, A. J.

Geophysical Journal International · 229, 522–545

DOI: 10.1093/gji/ggab490

New Paleointensity Data Suggest Possible Phanerozoic-Type Paleomagnetic Variations in the Precambrian.

Lloyd, S. J., Biggin, A. J., & Li, Z.-X.

Geochemistry, Geophysics, Geosystems · 22(10), e2021GC009990

DOI: 10.1029/2021GC009990

Improvements to the Shaw-Type Absolute Palaeointensity Method.

Lloyd, S. J., Paterson, G. A., Thallner, D., & Biggin, A. J.

Frontiers in Earth Science · 9, 701863

DOI: 10.3389/feart.2021.701863

First Palaeointensity Data from the Cryogenian and their potential implications for Inner Core Nucleation Age.

Lloyd, S. J., Biggin, A. J., Halls, H., & Hill, M. J.

Geophysical Journal International · 226(1)

DOI: 10.1093/gji/ggab090