Orogeny

Mountain building usually involves compres-sional deformation of the crust. Studies of the physics of orogeny suggest that there is a feedback between the nature of the building process and denudation rates. Suppe (1981), Davis et al. (1983), and Dahlen et al. (1984) have modeled the effects of brittle deformation in accretionary fold-thrust mountain belts such as Taiwan and the Andes. The basis of their model is the hypothesis that rock deformation is governed... 

Isozaki, Y. and Maruyama, S. (1991) Studies on orogeny based on plate tectonics in Japan and new geotectonic subdivision of the Japanese Islands. J. Geography, 100, 697-761 (in Japanese). 

Berman, R.G., Davis, W.J., Pehrsson, S., 2007. Collisional Snowbird tectonic zone resurrected Growth of Laurentia during the 1.9 Ga accretionary phase of the Hudsonian orogeny. Geology, 35, 911-914. 

The Wawa subprovince is a volcano-plutonic assemblage of 2.88-2.72 Ga rocks (Percival et al. 2006) accreted to the southern part of the Superior Province during the end of the Kenoran Orogeny, ca. 2.69 Ga. Extending approximately 1000 km from NE Minnesota to just south of James Bay, the Superior Province is... 

The BSC (part of the Dunnage tectonic Zone) formed in Late Ordovician to Early Silurian (i.e., during the Salinic Orogeny), and contains the accreted and subducted remnants of the Middle to Late Ordovician Tetagouche-Exploits back-arc basin. Consequently, the rocks of the BSC have... 

The Wollaston and Mudjatik domains form two of the major subdivisions of the Cree Lake Zone (Lewry Sibbald 1977), and also the eastern part of the western foreland of the Paleoproterozoic Trans-Hudson Orogen (i.e., part of the Hearne Province Hoffman 1989, 1990 Bickford et al. 1990 Lewry Collerson 1990). The present tectonic configuration resulted from the oblique collision of the Superior Province into the accreted Reindeer Zone and Hearne Province during the Hudsonian Orogeny (Fig. 2). 

Hydrothermal euhedral quartz (blue-green/red CL colors), of Type II veins exhibit growth textures and are related to sulfide mineralization during early Salinic Orogeny. 

The microbrecciation and dissolution of primary quartz in Type II and IV veins and subsequent overprinting by metamorphic quartz (red-brown CL), is attributed to the ongoing Salinic Orogeny and exhumation of the Brunswick Subduction Complex. 

Ganguly J., Chakraborty S., Sharp T.G., and Rumble D. (1996) Constraint on the time scale of biotite-grade metamorphism during Acadian orogeny from a natural garnet-garnet diffusion couple. Am. Mineral. 81, 1208-1216. 

Willett S (1999) Orogeny and orography The effects of erosion on the structure of mountain belts. J Geophys Res 104(B12) 28,957-28,981... 

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