The chart shows the distribution of publications by all Research.com ranked scientists in the field of Earth Science in 2026. The highlighted bar marks where John G. Spray sits on this spectrum.
This scientist: 236 publications — 74th percentile
74% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 603 publications or more.
The chart shows the D-index (discipline H-index) distribution of Earth Science scientists ranked by Research.com in 2026. The highlighted bar marks where John G. Spray sits on this spectrum.
This scientist: 53 D-Index — 70th percentile
70% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 106 D-Index or more.
John G. Spray is affiliated with the University of New Brunswick in Canada and conducts research primarily in Earth and Planetary Sciences, Physics and Astronomy, and Engineering. Their work spans multiple subfields, including Astronomy and Astrophysics, Geophysics, Mechanical Engineering, Atmospheric Science, and Economics and Econometrics.
The scientist has contributed to a range of topics centered on Planetary Science and Exploration, Geological and Geochemical Analysis, Astro and Planetary Science, Geology and Paleoclimatology Research, Additive Manufacturing Materials and Processes, High Entropy Alloys Studies, and High-pressure Geophysics and Materials.
Frequent publication venues for John G. Spray include:
Collaborations are common in their research, with frequent co-authors being:
Key recent publications include:
Douglas W. Ming;P. D. Archer;D. P. Glavin;J. L. Eigenbrode
John G. Spray
John G. Spray
Jerry F. Magloughlin;John G. Spray
J. G. Spray;J. Bébien;D. C. Rex;J. C. Roddick
John G. Spray
Allan H. Treiman;David L. Bish;David T. Vaniman;Steve J. Chipera
John G. Spray
John G. Spray
John G. Spray;Lucy M. Thompson
Patricia A. Flagler;John G. Spray
Gordon R. Osinski;John G. Spray;Pascal Lee
Gordon R Osinski;John G Spray
John G. Spray;Simon P. Kelley;David B. Rowley
John G. Spray;Simon P. Kelley;W. Uwe Reimold
James D. Hogan;Robert J. Rogers;John G. Spray;Suporn Boonsue
Gordon R. Osinski;Gordon R. Osinski;Pascal Lee;John Parnell;John G. Spray
Unknown
Gordon R. Osinski;Richard A. F. Grieve;John G. Spray
Gordon R. Osinski;Gordon R. Osinski;Pascal Lee;John G. Spray;John Parnell
John G. Spray;Hadyn R. Butler;Lucy M. Thompson
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