Robert L. Folk

22.8k total citations · 6 hit papers
99 papers, 12.8k citations indexed

About

Robert L. Folk is a scholar working on Earth-Surface Processes, Paleontology and Atmospheric Science. According to data from OpenAlex, Robert L. Folk has authored 99 papers receiving a total of 12.8k indexed citations (citations by other indexed papers that have themselves been cited), including 28 papers in Earth-Surface Processes, 22 papers in Paleontology and 22 papers in Atmospheric Science. Recurrent topics in Robert L. Folk's work include Geology and Paleoclimatology Research (22 papers), Paleontology and Stratigraphy of Fossils (16 papers) and Geological formations and processes (14 papers). Robert L. Folk is often cited by papers focused on Geology and Paleoclimatology Research (22 papers), Paleontology and Stratigraphy of Fossils (16 papers) and Geological formations and processes (14 papers). Robert L. Folk collaborates with scholars based in United States, Ukraine and India. Robert L. Folk's co-authors include W Ward, Peter B. Andrews, Douglas W. Lewis, F. Leo Lynch, Charles E. Weaver, Salvatore Valastro, Anna Siedlecka, Francès Westall, Robert McLean and Brenda L. Kirkland and has published in prestigious journals such as Science, Journal of the American College of Cardiology and The Journal of Clinical Endocrinology & Metabolism.

In The Last Decade

Robert L. Folk

94 papers receiving 11.5k citations

Hit Papers

align trajectories sort by overperformance

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.

Brazos River bar [Texas]; a study in the significance of grain size parameters

1957 5.8k citations Robert L. Folk, W Ward Journal of Sedimentary Research profile →
The Distinction between Grain Size and Mineral Composition in Sedimentary-Rock Nomenclature

1954 1.1k citations Robert L. Folk The Journal of Geology profile →
Practical Petrographic Classification of Limestones

1959 871 citations Robert L. Folk AAPG Bulletin profile →
A REVIEW OF GRAIN‐SIZE PARAMETERS

1966 682 citations Robert L. Folk Sedimentology profile →
Pebbles in the Lower Colorado River, Texas a Study in Particle Morphogenesis

1958 641 citations Robert L. Folk et al. The Journal of Geology profile →
Detrital sedimentary rock classification and nomenclature for use in New Zealand

1970 631 citations Robert L. Folk, Peter B. Andrews et al. New Zealand Journal of Geology and Geophysics profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author						Papers	Cites
Robert L. Folk	5.4k	4.7k	2.7k	2.1k	1.9k	99	12.8k
Kenneth Pye	6.7k 1.2×	6.0k 1.3×	3.3k 1.2×	1.1k 0.5×	1.4k 0.7×	149	13.4k
Jef Vandenberghe	6.1k 1.1×	10.4k 2.2×	2.3k 0.8×	1.6k 0.8×	1.4k 0.7×	276	13.0k
Daniel Jean Stanley	4.0k 0.7×	4.3k 0.9×	1.7k 0.6×	1.0k 0.5×	1.6k 0.8×	193	7.9k
I Nick McCave	6.3k 1.2×	9.3k 2.0×	4.2k 1.5×	1.5k 0.7×	3.7k 1.9×	186	13.8k
William B. F. Ryan	3.0k 0.6×	5.2k 1.1×	1.2k 0.4×	1.4k 0.7×	2.4k 1.2×	148	12.6k
Andrew D. Miall	9.5k 1.8×	7.4k 1.6×	2.5k 0.9×	3.3k 1.6×	333 0.2×	129	14.0k
David J. W. Piper	6.8k 1.3×	6.6k 1.4×	1.5k 0.6×	1.2k 0.6×	1.1k 0.6×	370	12.7k
Flavio S. Anselmetti	3.0k 0.6×	5.9k 1.3×	1.6k 0.6×	1.5k 0.7×	750 0.4×	252	9.5k
J. R. L. Allen	5.8k 1.1×	3.8k 0.8×	3.0k 1.1×	1.2k 0.5×	378 0.2×	155	8.3k
Douglas W. Burbank	4.4k 0.8×	10.6k 2.3×	2.9k 1.1×	958 0.5×	617 0.3×	162	21.7k

Countries citing papers authored by Robert L. Folk

Since Specialization

Citations

This map shows the geographic impact of Robert L. Folk'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 Robert L. Folk with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Robert L. Folk more than expected).

Fields of papers citing papers by Robert L. Folk

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Robert L. Folk. 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 Robert L. Folk. The network helps show where Robert L. Folk may publish in the future.

Co-authorship network of co-authors of Robert L. Folk

This figure shows the co-authorship network connecting the top 25 collaborators of Robert L. Folk. A scholar is included among the top collaborators of Robert L. Folk 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 Robert L. Folk. Robert L. Folk is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Miller, Virginia M., George P. Rodgers, Brenda L. Kirkland, et al.. (2004). Evidence of nanobacterial-like structures in calcified human arteries and cardiac valves. American Journal of Physiology-Heart and Circulatory Physiology. 287(3). H1115–H1124. 122 indexed citations

Rasmussen, Todd E., Brenda L. Kirkland, Jon E. Charlesworth, et al.. (2002). Electron microscopic and immunological evidence of nanobacterial-like structures in calcified carotid arteries, aortic aneurysms, and cardiac valves. Journal of the American College of Cardiology. 39. 206–206. 9 indexed citations

Folk, Robert L. & L. A. Taylor. (2002). Nannobacterial alteration of pyroxenes in martian meteorite Allan Hills 84001. Meteoritics and Planetary Science. 37(8). 1057–1069. 13 indexed citations

Folk, Robert L. & E. Troy Rasbury. (2002). Nanometre‐scale spheroids on sands, Vulcano, Sicily: possible nannobacterial alteration. Terra Nova. 14(6). 469–475. 12 indexed citations

Folk, Robert L.. (1997). Nannobacteria and the oxidation of iron on Earth (and perhaps Mars). Abstracts with Programs - Geological Society of America. 29(6). 129.

Folk, Robert L.. (1996). In Defense of Nannobacteria. Science. 274(5291). 1288–1288. 1 indexed citations

Folk, Robert L. & Earle F. McBride. (1976). Possible pedogenic origin of Ligurian ophicalcite: A Mesozoic calichified serpentinite. Geology. 4(6). 327–327. 18 indexed citations

Fairchild, Thomas R., J. William Schopf, & Robert L. Folk. (1973). Filamentous algal microfossils form the Caballos Novaculite, Devonian of Texas. Journal of Paleontology. 47(5). 946–952. 13 indexed citations

Folk, Robert L.. (1973). Simple means of augmenting stereoscopic vision. Bulletin of the Psychonomic Society. 2(4). 242–242.

10.

Folk, Robert L.. (1971). Genesis of Longitudinal and Oghurd Dunes Elucidated by Rolling upon Grease. Geological Society of America Bulletin. 82(12). 3461–3461. 23 indexed citations

11.

Folk, Robert L., Peter B. Andrews, & Douglas W. Lewis. (1970). Detrital sedimentary rock classification and nomenclature for use in New Zealand. New Zealand Journal of Geology and Geophysics. 13(4). 937–968. 631 indexed citations breakdown →

12.

Folk, Robert L., et al.. (1968). Effect of Chorionic Gonadotropin on Urinary Testosterone and 17-Keto-steroids in Prepubertal Males and Males with Spermatic Maturation Arrest. The American Journal of the Medical Sciences. 255(4). 221–227. 2 indexed citations

13.

Wieland, Ralph G., et al.. (1967). Studies of Male Hypogonadism. I. Androgen Metabolism in a Male with Gynecomastia and Galactorrhea¹. The Journal of Clinical Endocrinology & Metabolism. 27(6). 763–767. 12 indexed citations

14.

Folk, Robert L.. (1966). A REVIEW OF GRAIN‐SIZE PARAMETERS. Sedimentology. 6(2). 73–93. 682 indexed citations breakdown →

15.

Folk, Robert L.. (1962). Spectral Subdivision of Limestone Types. 38. 62–84. 453 indexed citations

16.

Folk, Robert L.. (1962). Petrography and Origin of the Silurian Rochester and McKenzie Shales, Morgan County, West Virginia. Journal of Sedimentary Research. Vol. 32. 28 indexed citations

17.

Folk, Robert L.. (1959). Practical Petrographic Classification of Limestones. AAPG Bulletin. 43. 871 indexed citations breakdown →

18.

Folk, Robert L., et al.. (1958). Pebbles in the Lower Colorado River, Texas a Study in Particle Morphogenesis. The Journal of Geology. 66(2). 114–150. 641 indexed citations breakdown →

19.

Folk, Robert L. & W Ward. (1957). Brazos River bar [Texas]; a study in the significance of grain size parameters. Journal of Sedimentary Research. 27(1). 3–26. 5788 indexed citations breakdown →

20.

Folk, Robert L.. (1955). Note on the significance of “Turbid” feldspars. American Mineralogist. 40. 356–357. 17 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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