The American Journal of Science, Band 274,Ausgaben 6-10

amphibolite Aphebian Archean bars basalt basin beds belts bulk composition calcite calculated Cambrian Canadian Shield carbonate cataclasis chemical potential chlorite clasts CO₂ coefficients components computed conglomerate constant craton crust crustal curves deposition derived dolomite equation equilibrium assemblage erosion experimental facies figure fluid fold free energy fugacity Geol Geology Geosyncline Gibbs free energy glacial goethite granitic graywacke Group H₂O Helikian Hudson Bay ilmenite Jour Lake Late Precambrian layer limestone lower magnetite melt metamorphic mineral mixtite formations molal mole mudflow mudstone numerical dynamic analysis occur orogenic overlain overlying percent Phanerozoic plagioclase plane Precambrian Precambrian mixtites present pressure protocontinents quartz quartzite rankinite reaction recrystallization region Riphean ruptural deformation samples sandstone sedimentary sediments sequence shale slope solution phases spurrite strata striated stromatolites structures sulfide surface tectonic temperature thermodynamic thick tilleyite tillites tilloids tion turbidites unconformably upper values viscous volcanic rocks wollastonite zone