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GARY A. SMITH

Ph.D., Oregon State University, 1986. (Professor) (505) 277-2348; gsmith@unm.edu

Research and Academic Interests:

Sedimentology and physical volcanology. Paleogeomorphic studies of extensional-basin fills to integrate climatic effects with those caused by tectonism. Sedimentological characterization of aquifer heterogeneity. Tectonic and sedimentary history of the northern Rio Grande rift. Tectonics of the transition between Laramide compression and Neogene extension in northern New Mexico. Process sedimentology of Quaternary alluvium. Volcanic influences on sedimentation. Petrology of volcaniclastic sediment to reconstruct the nature and composition of eruptive products from eroded volcanic centers. Origins of volcanic breccias and construction of breccia-dominated composite volcanoes. Dynamics of small-volume pyroclastic flows and development of pyroclastic aprons around silicic- dome complexes.

Listing of Recent Publications:

Assessing roles of volcanism & basin subsidence in causing Oligo.-Lower Mio. sedimentation in the northern Rio Grande Rift, NM, USA

G.A. Smith, J.D. Moore, W.C. McIntosh, Journal of Sedimentary Research, v. 72, p. 836-848, 2002.

 

Sedimentologic and geomorphic evidence for seesaw subsidence of the Santo Domingo accommodation-zone basin, Rio Grande rift, New Mexico

G.A. Smith, W. McIntosh, A.J. Kuhle, Geological Society of America Bulletin, v. 113 p. 561-574, 2001

Ancient hillslope deposits: Missing links in the study of climate controls on sedimentation

J. Pederson, F. Pazzaglia, G. Smith, Geology, v. 28, p. 27-30, 2000.

Recognition and significance of streamflow-dominated piedmont facies in extensional basins

G.A. Smith, Basin Research, v. 12, p. 399-412, 2000.

Nature and origin of cone-forming volcanic breccias, Te Herenga Formation, Ruapehu Volcano, New Zealand

G.A. Smith, M.J. Grubensky, J.W. Geissman, Bulletin of Volcanology, v. 61, p. 64-82, 1999.

Hydrostratigraphic implications of new geological mapping in the Santo Domingo Basin

G.A. Smith and A.J. Kuhle, New Mexico Geology, v. 20, p. 21-27, 1998.

Eocene-Oligocene tectonics, volcanism and floral change near Gray Butte, central Oregon

G.A. Smith, S. Manchester, M. Ashwill, W. McIntosh, R. Conrey, Geological Society of America Bulletin, v. 110, p. 759-778, 1998.

Field classification and paleomagnetic characterization of lithic and scoriaceous breccias, Pleistocene Broken Top volcano, High Cascade Range, Oregon

M.J. Grubensky, G.A. Smith, and J.W. Geissman, Journal of Volcanology and Geothermal Research, v. 83, p. 93-114, 1998.

What factors control the composition of andesitic sands?

G.A. Smith and J.E. Lotosky, Journal of Sedimentary Research, v. A65, p. 91-98, 1995.

Intra-arc basins

G.A. Smith and C.A. Landis, Tectonics of Sedimentary Basins, C. Busby and R.V. Ingersoll, editors, London, Blackwell and Sons, p. 263-298, 1995.

Climatic influences on continental sedimentation during late-stage filling of an extensional basin, southeastern Arizona

G.A. Smith, Geological Society of America Bulletin, v. 106, p. 1212-1228, 1994.

 

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