2026 Frank S. Spear: Earth Science Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Earth Science	75	698	617	336	286	193	24042

Research.com Recognitions

2007 - Fellow of American Geophysical Union (AGU)
Fellow of the Geological Society of America
Fellow of the Geological Society of America

Overview

Frank S. Spear is affiliated with Rensselaer Polytechnic Institute in the United States and has focused their research primarily in the field of Earth and Planetary Sciences. Their scholarly work spans 33 publications, predominantly in the subfield of Geophysics, alongside contributions to Artificial Intelligence, Mechanical Engineering, Mechanics of Materials, and Inorganic Chemistry.

Their main topics of study include:

Geological and Geochemical Analysis
High-pressure geophysics and materials
Earthquake and tectonic studies
Geochemistry and Geologic Mapping
Hydrocarbon exploration and reservoir analysis
Metallurgical Processes and Thermodynamics
Radioactive element chemistry and processing

Frank S. Spear's contributions have appeared in scientific venues such as:

Contributions to Mineralogy and Petrology (5 publications)
Abstracts with programs - Geological Society of America (5 publications)
Journal of Metamorphic Geology (4 publications)
Geochimica et Cosmochimica Acta
Journal of Petrology

Their recent papers include:

"Iron, magnesium, and titanium isotopic fractionations between garnet, ilmenite, fayalite, biotite, and tourmaline: Results from NRIXS, ab initio, and study of mineral separates from the Moosilauke metapelite," 2021, Geochimica et Cosmochimica Acta
"Regional Quartz Inclusion Barometry and Comparison with Conventional Thermobarometry and Intersecting Isopleths from the Connecticut Valley Trough, Vermont and Massachusetts, USA," 2020, Journal of Petrology
"Revaluation of 'equilibrium' P-T paths from zoned garnet in light of quartz inclusion in garnet (QuiG) barometry," 2020, Lithos
"Deciphering late Devonian-early Carboniferous P-T-t path of mylonitized garnet-mica schists from Prins Karls Forland, Svalbard," 2020, Journal of Metamorphic Geology
"Pronounced and rapid exhumation of the Connecticut Valley Trough revealed through quartz in garnet Raman barometry and diffusion modelling of garnet dissolution-reprecipitation reactions," 2021, Journal of Metamorphic Geology

Frequent collaborators in their research include Oliver M. Wolfe, John T. Cheney, Jay B. Thomas, Eric M. Hasegawa, and Adrian E. Castro.

Frank S. Spear has been recognized with fellowships from professional societies:

Fellow of American Geophysical Union (AGU), 2007
Fellow of the Geological Society of America

Best Publications

Metamorphic phase equilibria and pressure-temperature-time paths

Frank S. Spear

3199
Citations
Experimental calibration of the partitioning of Fe and Mg between biotite and garnet

J. M. Ferry;F. S. Spear

2206
Citations
Geothermometry, geobarometry and the Al2SiO5 triple point at Mt. Moosilauke, New Hampshire

K. V. Hodges;Frank S. Spear

1043
Citations
A petrogenetic grid for pelitic schists in the system SiO 2 -Al 2 O 3 -FeO-MgO-K 2 O-H 2 O

Frank S. Spear;John T. Cheney

758
Citations
P -T paths from anatectic pelites

Frank S. Spear;Matthew J. Kohn;John T. Cheney

750
Citations
Apatite, Monazite, and Xenotime in Metamorphic Rocks

Frank S. Spear;Joseph M. Pyle

694
Citations
Two new geobarometers for garnet amphibolites, with applications to southeastern Vermont

Matthew J. Kohn;Frank S. Spear

680
Citations
An experimental study of hornblende stability and compositional variability in amphibolite

Frank S. Spear

605
Citations
TitaniQ under pressure: the effect of pressure and temperature on the solubility of Ti in quartz

Jay B. Thomas;E. Bruce Watson;Frank S. Spear;Philip T. Shemella

531
Citations
Quantitative P-T paths from zoned minerals: Theory and tectonic applications

Frank S. Spear;Jane Selverstone

505
Citations
Monazite–Xenotime–Garnet Equilibrium in Metapelites and a New Monazite–Garnet Thermometer

Joseph M. Pyle;Frank S. Spear;Roberta L. Rudnick;William F. McDonough

486
Citations
Retrograde net transfer reaction insurance for pressure-temperature estimates

Matthew J. Kohn;Frank Spear

422
Citations
Pre-eruption recharge of the Bishop magma system

D.A. Wark;W. Hildreth;F.S. Spear;D.J. Cherniak

386
Citations
On the interpretation of peak metamorphic temperatures in light of garnet diffusion during cooling

F. S. Spear

369
Citations
Thermobarometry in granulites: pitfalls and new approaches

Frank S. Spear;Frank P. Florence

334
Citations
Petrology and Cooling Rates of the Valhalla Complex, British Columbia, Canada

Frank S. Spear;Randall R. Parrish

317
Citations
Four generations of accessory-phase growth in low-pressure migmatites from SW New Hampshire

Joseph M. Pyle;Frank S. Spear

315
Citations
A model for garnet and plagioclase growth in pelitic schists: implications for thermobarometry and P‐T path determinations

F. S. Spear;M. J. Kohn;F. P. Florence;T. Menard

299
Citations
Effects of diffusional modification of garnet growth zoning on P-T path calculations

Frank P. Florence;Frank S. Spear

289
Citations
Yttrium zoning in garnet: Coupling of major and accessory phases during metamorphic reactions

Joseph M. Pyle;Frank S. Spear

288
Citations
NaSi⇌CaAl exchange equilibrium between plagioclase and amphibole

Frank S. Spear

283
Citations

Frequent Co-Authors

Matthew J. Kohn Boise State University

Jane Selverstone University of New Mexico

David R. M. Pattison University of Calgary

Douglas Rumble Carnegie Institution for Science

E. Bruce Watson Rensselaer Polytechnic Institute

T. Mark Harrison University of California, Los Angeles

John M. Ferry Johns Hopkins University

Gerhard Franz Technical University of Berlin

Simon M. Peacock University of British Columbia

Kip V. Hodges Arizona State University

External Links

Personal website of Frank S. Spear

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