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2CaO.SiO acid Al.O amount analcite analysis anorthite anorthosite appears basalt binary system birefringence bone boundary curve cent character chemical chloride clinoenstatite components composition compound connellite cooling Creek cristobalite crystallization curve delta deposits determined diabase diagram diameter equilibrium Escarpment ester etching eutectic fauna feet feldspars field forsterite fossil Geol Geological grains gram Grand Gorge granite gravel heat hydracrylic hydrochloric acid indicated lake lawsonite liquid lower material melting point melting temperatures method miles minerals mixtures morainic Mylodon observed obtained olivine optical original oxide pebbles plagioclase plane plates portion present pressure primary phase pyroxene quartz quintuple point radiation ratio Refractive indices region represented River rocks sand Schoharie Schoharie Creek sediments separated shore shows silica sinking sodium solid phases solution species specimen strands stream surface syenite Table ternary system tion trachyte triangle tridymite valley
Page 14 - As the components of a system there are to be chosen the smallest number of independently variable constituents by means of which the composition of each phase participating in the state of equilibrium can be expressed in the form of a chemical equation.
Page 696 - For specifications and other particulars address STANDARD OIL COMPANY OF NEW YORK Road Oil Department 26 Broadway, New York 43 and 45 East 19th Street, NEW YORK CITY London, CHAPMAN & HALL, Ltd. Montreal, Can., RENOUF PUB. CO. ELECTRIC FURNACES IN THE IRON AND STEEL INDUSTRY Bv DIPL.
Page 14 - The number of degrees of freedom of a system is the number of data which must be given in order completely to determine its position.
Page 14 - We shall therefore define the number of degrees of freedom of a system as the number of the variable factors, temperature, pressure, and concentration of the components, which must be arbitrarily fixed in order that the condition of the system may be perfectly defined.
Page 14 - Findlay ('04, pp. 8-18) will assist in gaining some of the general ideas involved in this subject: A heterogenous system is made up of different portions, each in itself homogeneous, but marked off in space and separated from the other portions by bounding surfaces. These homogeneous, physically distinct and mechanically separable portions are called phases.
Page 333 - The nngual phalange selected for description has its basal sheath developed on one side only; its place is taken on the opposite side by a prominent rim, which is tuberculate and notched. The rim is low on the superior part of the proximal extremity, and is separated from the articular cotylus by a concave subvertical surface, wider than long. The basal tendinous insertion is subdiscoid and flat, with a lateral projecting rim, which is pierced at the base by the arterial foramina. The general form...
Page 333 - These are five and a half inches long, and four and a half inches in circumference about the middle.
Page 211 - Bumelia with about a score of species is confined to America in the existing flora, ranging from the southern United States through the West Indies and Central America to Brazil. It has numerous fossil species, the oldest coming from the Upper Cretaceous (Dakota sandstone) of the western interior. In addition to the six Wilcox species, which are prototypes of still existing forms, there are two Eocene species (Ypresian) in southern England. There are about a dozen Oligocene species, ten of which...
Page 328 - The grim wolf of the tar pits; the great extinct wolf [Cam's dirus} from the asphalt deposits at Rancho La Brea near Los Angeles [California] : Am. Mus. Jour., vol. 16, no. 1, pp. 45-47, 2 ligs., January, 1916. 724. A reptilian aeronaut; a new skeleton of Pteranodon, the giant flying reptile of the Cretaceous period : Am. Mus. Jour., vol, 16, no. 4, pp. 251-252, 1 fig., April, 1916. 725. Methods of correlation by fossil vertebrates: Geol.
Page 66 - MgO always consists of three solid phases whose fields are adjacent. The same three solid phases will be the final product of crystallization from any solution whose composition lies within the triangle formed by lines joining the compositions of these three phases.