Concepedia

Roger D. Congdon

RD

Statistics

Publications

7

Citations

293

H-Index

7

Active since

1988

Affiliations

United States Geological Survey(Current)

Johns Hopkins University

University of Utah

Roger D. Congdon is an author at United States Geological Survey specializing in petrology, geology, and engineering.

Top concepts

Publications per year

1988–2007

7

Publications

7

An Appalachian isochron: A kaolinized Carboniferous air-fall volcanic-ash deposit (tonstein)

Paul C. Lyons, William F. Outerbridge, Don M. Triplehorn et al. · Geological Society of America Bulletin · 1992 · 64 citations

, , +17

Hawaiian basalt and Icelandic rhyolite: Indicators of differentiation and partial melting

B. D. Marsh, Björn Gunnarsson, Roger D. Congdon et al. · International Journal of Earth Sciences · 1991 · 63 citations

, , +12

Eruptive pegmatite magma: Rhyolite of the Honeycomb Hills, Utah

Roger D. Congdon, W. P. Nash · American Mineralogist · 1991 · 48 citations

, , +13

Euramerican tonsteins: overview, magmatic origin, and depositional-tectonic implications

Paul C. Lyons, D. A. Spears, William F. Outerbridge et al. · Palaeogeography Palaeoclimatology Palaeoecology · 1994 · 42 citations

, , +5

High-fluorine rhyolite: An eruptive pegmatite magma at the Honeycomb Hills, Utah

Roger D. Congdon, W. P. Nash · Geology · 1988 · 37 citations

, , +15

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