Often Cited Papers
- Armstrong, R.L.. 1966. K-ar dating of plutonic and volcanic rocks in orogenic belts: Age determination by potassium argon: Heidelberg, Springer-Verlag, p. 117-133.
- Armstrong, R.L.. 1968. A model for Pb and Sr isotope evolution in a dynamic earth: Reviews of Geophysics, v. 6, p. 175-199.
- Armstrong, R.L.. 1972. Low-angle faults, hinterland of the Sevier orogenic belt, eastern Nevada and western Utah: Geological Society of America Bulletin, v. 83, p. 1729-1754.
- Armstrong, R.L.. 1981. Radiogenic isotopes; The case for crustal recycling on a near-steady-state no-continental-growth Earth: Royal Society of London Philosophical Transactions, v. 301, p. 443-472.
- Armstrong, R.L, Parrish, R.. 1990. A geologic excursion across the Canadian Cordillera near 49°N (Highways 1 and 3 from Vancouver to southwestern Alberta and on to Calgary, Alberta): Geological Association of Canada Meeting, Vancouver, May, Field Trip Guidebook, 71 p.
- Harland, W.B.; Armstrong, R.L.; Cox, A.V.; Craig, L.E.; Smith, A.G.; Smith, D.G., 1990. A Geologic Time Scale, 1989 edition. Cambridge University Press: Cambridge, p. 1-263. ISBN 0-521-38765-5
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