What is he best known for?
The fields of study he is best known for:
- Plate tectonics
- Igneous rock
- Basalt
His primary areas of study are Paleontology, Terrane, Geochemistry, Ordovician and Laurentia.
In general Paleontology, his work in Gondwana, Magmatism and Precambrian is often linked to Parafusulina linking many areas of study.
His Terrane research is multidisciplinary, incorporating elements of Subduction, Forearc, Paleozoic, Geomorphology and Devonian.
His study involves Protolith, Provenance and Geochronology, a branch of Geochemistry.
J. Duncan Keppie works mostly in the field of Protolith, limiting it down to topics relating to Metamorphic facies and, in certain cases, Basement.
His work deals with themes such as Felsic, Mafic, Passive margin, Rift and Metamorphism, which intersect with Ordovician.
His most cited work include:
- Middle to late Paleozoic Acadian orogeny in the northern Appalachians: A Laramide-style plume-modified orogeny? (94 citations)
- A Grenvillian arc on the margin of Amazonia: evidence from the southern Oaxacan Complex, southern Mexico (80 citations)
- Tectonic Implications of Alternative Cenozoic Reconstructions for Southern Mexico and the Chortis Block (75 citations)
What are the main themes of his work throughout his whole career to date?
J. Duncan Keppie mostly deals with Paleontology, Geochemistry, Terrane, Zircon and Laurentia.
As part of his studies on Paleontology, J. Duncan Keppie frequently links adjacent subjects like Seismology.
His research in Geochemistry intersects with topics in Metamorphic facies and Petrology.
His Terrane research is multidisciplinary, incorporating perspectives in Rift, Magmatism, Geomorphology, Pluton and Devonian.
His Zircon study combines topics in areas such as Igneous rock, Clastic rock, Passive margin, Basement and Geochronology.
The study incorporates disciplines such as Paleomagnetism, Fold and Earth science in addition to Laurentia.
He most often published in these fields:
- Paleontology (49.53%)
- Geochemistry (47.66%)
- Terrane (36.45%)
What were the highlights of his more recent work (between 2012-2021)?
- Geochemistry (47.66%)
- Paleontology (49.53%)
- Zircon (23.36%)
In recent papers he was focusing on the following fields of study:
His main research concerns Geochemistry, Paleontology, Zircon, Terrane and Mafic.
In his study, Volcanic rock and Mantle is strongly linked to Subduction, which falls under the umbrella field of Geochemistry.
His Paleontology study often links to related topics such as Earth science.
His research integrates issues of Metamorphic facies and Clastic rock in his study of Metamorphism.
His Basalt study incorporates themes from Passive margin and Petrology.
The Ordovician study combines topics in areas such as Suture and Pluton.
Between 2012 and 2021, his most popular works were:
- Mid-Tertiary (25–21 Ma) lamprophyres in NW Mexico derived from subduction-modified subcontinental lithospheric mantle in an extensional backarc environment following steepening of the Benioff zone (22 citations)
- Ediacaran–Middle Paleozoic Oceanic Voyage of Avalonia from Baltica via Gondwana to Laurentia: Paleomagnetic, Faunal and Geological Constraints (19 citations)
- Arc plutonism in a transtensional regime: the late Palaeozoic Totoltepec pluton, Acatlán Complex, southern Mexico (19 citations)
In his most recent research, the most cited papers focused on:
- Plate tectonics
- Basalt
- Igneous rock
J. Duncan Keppie spends much of his time researching Paleontology, Geochemistry, Zircon, Back-arc basin and Subduction.
His is doing research in Tectonics, Gondwana, Island arc, Ordovician and Laurentia, both of which are found in Paleontology.
By researching both Geochemistry and Amphibole, J. Duncan Keppie produces research that crosses academic boundaries.
The various areas that he examines in his Zircon study include Paleomagnetism, Baltica, Metamorphic facies and Paleozoic.
His Back-arc basin research includes themes of Transtension, Sinistral and dextral and Plutonism, Pluton.
J. Duncan Keppie interconnects Dike swarm, Basalt, Ridge and Passive margin in the investigation of issues within Subduction.
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