 | | Book (edition) | | materials of which the earth's crust is built A rock may be defined as a mineral aggregate, possessing...mode of aggregation of the constituent minerals, or rock- structure . In classifying rocks, we must allow...of the minerals since the first formation of the rock.¹ The three rocks made use of in our example, may...whether the interior of the earth is occupied by rock in the molten condition, or by solid material at...eruption the pressure is relieved and the liquid rock injected in the direction of least resistance. According |  | | Book (edition) | | BOOK OF PETROLOGY CONTAINING A DESCRIPTION OF THE ROCK-FORMING MINERALS AND A SYNOPSIS OF THE CHIEF TYPES...materials of which the earth's crust is built up. A rock may be defined as a mineral aggregate, possessing...mode of aggregation of the constituent minerals, or rock-structure. In classifying rocks, we must allow...of the minerals since the first formation of the rock.1 The three rocks made use of in our example, may...whether the interior of the earth is occupied by rock in the molten condition, or by solid material at |  | | | | area (Ontario, Canada) for sodalite, and Wolf Rock, Cornwall, UK, Laacher See, the Eifel District (Germany)...TABLE 1. Label, species, locality and concise host rock petrographic description. Label Species Locality..., Howie, R.A., Wise W.S. and Zussman, J. (2004) Rock-Forming Minerals. Volume 4B. Framework Silicates:...sodalite (sample LM11) with a = 8.889(2) Å, to haüyne (sample HR3S) with a = 9.1265(2) Å. The specimens...content. Singlecrystal FTIR spectroscopy shows that haüyne and nosean typically contain enclathrated CO |  | | Book (edition) | | THEORIES OF PETRO GENESIS , A DESCRIPTION OF THE ROCK-FORMING MINERALS , AND A SYNOPSIS OF THE CHIEF...separation of the part treating of the classification of rock types from that dealing with their dis tribution...ROCKS Chapter Page 67 I. CLASSIFICATION OF THE ROCK-FORMING MINERALS 73 73 II. APPEARANCE UNDER THE...Double Refraction 79 III . DESCRIPTION OF THE ROCK - FORMING MINERALS 81 The Silica Group The Felspar...Determination of Rock -form ing Minerals, translated from the German by F. H. Hatch . J. P. Iddings. Rock Minerals |
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