J. A. Grant

2.5k total citations · 1 hit paper
19 papers, 1.9k citations indexed

About

J. A. Grant is a scholar working on Geophysics, Mechanics of Materials and Geochemistry and Petrology. According to data from OpenAlex, J. A. Grant has authored 19 papers receiving a total of 1.9k indexed citations (citations by other indexed papers that have themselves been cited), including 12 papers in Geophysics, 3 papers in Mechanics of Materials and 3 papers in Geochemistry and Petrology. Recurrent topics in J. A. Grant's work include Geological and Geochemical Analysis (10 papers), High-pressure geophysics and materials (4 papers) and Geochemistry and Geologic Mapping (3 papers). J. A. Grant is often cited by papers focused on Geological and Geochemical Analysis (10 papers), High-pressure geophysics and materials (4 papers) and Geochemistry and Geologic Mapping (3 papers). J. A. Grant collaborates with scholars based in United States and Germany. J. A. Grant's co-authors include P. W. Weiblen, Carol D. Frost, E. Hoffer, Sakiko N. Olsen, Christopher P. McKay, M. T. Mellon and M. T. Mellon and has published in prestigious journals such as Science, Contributions to Mineralogy and Petrology and American Mineralogist.

In The Last Decade

J. A. Grant

19 papers receiving 1.7k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

The isocon diagram; a simple solution to Gresens' equation for metasomatic alteration

1986 1.1k citations J. A. Grant Economic Geology profile →

Peers

J. A. Grant

GEOPH

AI

GP

AS

MM

S. Hoernes Germany

James S. Beard United States

W. H. MacLean Canada

Raymond E. Smith Australia

Bruce E. Nesbitt Canada

Randall L. Gresens United States

M. Solomon Australia

P. Le Fort France

A. C. Barnicoat United Kingdom

Stephen M. Wickham United States

S. Hoernes Germany

J. A. Grant

1.8k ×1.1

GEOPH

715 ×0.8

AI

404 ×0.8

GP

245 ×1.5

AS

161 ×1.2

MM

Citations per year, relative to J. A. Grant J. A. Grant (= 1×) peers S. Hoernes

Countries citing papers authored by J. A. Grant

Since Specialization

Citations

This map shows the geographic impact of J. A. Grant's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by J. A. Grant with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites J. A. Grant more than expected).

Fields of papers citing papers by J. A. Grant

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by J. A. Grant. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by J. A. Grant. The network helps show where J. A. Grant may publish in the future.

Co-authorship network of co-authors of J. A. Grant

This figure shows the co-authorship network connecting the top 25 collaborators of J. A. Grant. A scholar is included among the top collaborators of J. A. Grant based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with J. A. Grant. J. A. Grant is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

19 of 19 papers shown

1.

Mellon, M. T., Christopher P. McKay, & J. A. Grant. (2015). The Thermal Conductivity of Soils with Bimodal Grain-Sizes at Mars Pressures. LPI. 2837. 1 indexed citations

2.

Mellon, M. T., Christopher P. McKay, & J. A. Grant. (2014). Thermal Conductivity of Coarse and Fine Grained Soil Mixtures: Measurements and Mars Applications. 1791. 1107. 1 indexed citations

3.

Grant, J. A.. (2009). Thermocalc and experimental modelling of melting of pelite, Morton Pass, Wyoming. Journal of Metamorphic Geology. 27(8). 571–578. 23 indexed citations

4.

Grant, J. A.. (2005). Isocon analysis: A brief review of the method and applications. Physics and Chemistry of the Earth Parts A/B/C. 30(17-18). 997–1004. 295 indexed citations

5.

Grant, J. A.. (2004). Liquid compositions from low‐pressure experimental melting of pelitic rock from Morton Pass, Wyoming, USA. Journal of Metamorphic Geology. 22(2). 65–78. 23 indexed citations

6.

Olsen, Sakiko N. & J. A. Grant. (1991). Isocon analysis of migmatization in the Front Range, Colorado, USA. Journal of Metamorphic Geology. 9(2). 151–164. 22 indexed citations

7.

Grant, J. A. & Carol D. Frost. (1990). Contact metamorphism and partial melting of pelitic rocks in the aureole of the Laramie anorthosite complex, Morton Pass, Wyoming. American Journal of Science. 290(4). 425–472. 80 indexed citations

8.

Grant, J. A.. (1986). Quartz-phlogopite-liquid equilibria and origins of charnockites. American Mineralogist. 71. 1071–1075. 21 indexed citations

9.

Grant, J. A.. (1986). The isocon diagram; a simple solution to Gresens' equation for metasomatic alteration. Economic Geology. 81(8). 1976–1982. 1104 indexed citations breakdown →

10.

Grant, J. A.. (1985). Decompression melting: an isothermal polybaric liquidus diagram for charnockites. Geol. Soc. Am., Abstr. Programs; (United States). 17. 1 indexed citations

11.

Grant, J. A.. (1985). Phase equilibria in low-pressure partial melting of pelitic rocks. American Journal of Science. 285(5). 409–435. 46 indexed citations

12.

Grant, J. A.. (1981). Orthoamphibole and orthopyroxene relations in high-grade metamorphism of pelitic rocks. American Journal of Science. 281(8). 1127–1143. 9 indexed citations

13.

Hoffer, E. & J. A. Grant. (1980). Experimental investigation of the formation of cordierite-orthopyroxene parageneses in pelitic rocks. Contributions to Mineralogy and Petrology. 73(1). 15–22. 44 indexed citations

14.

Grant, J. A.. (1977). Crystallographic projection of chemical potential relationships as an aid in the interpretation of metasomatic zoning. American Mineralogist. 62. 1012–1017. 4 indexed citations

15.

Grant, J. A.. (1976). Mineral assemblages in stereographic projection. American Mineralogist. 61. 1020–1024. 1 indexed citations

16.

Grant, J. A.. (1973). Phase equilibria in high-grade metamorphism and partial melting of pelitic rocks. American Journal of Science. 273(4). 289–317. 41 indexed citations

17.

Grant, J. A. & P. W. Weiblen. (1971). Retrograde zoning in garnet near the second sillimanite isograd. American Journal of Science. 270(4). 281–296. 92 indexed citations

18.

Grant, J. A.. (1968). Partial melting of common rocks as a possible source of cordierite-anthophyllite bearing assemblages. American Journal of Science. 266(10). 908–931. 44 indexed citations

19.

Grant, J. A.. (1964). Rubidium-Strontium Isochron Study of the Grenville Front near Lake Timagami, Ontario. Science. 146(3647). 1049–1053. 23 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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