The Nomenclature of Petrology: With References to Selected Literature |
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The Nomenclature of Petrology: With References to Selected Literature Arthur Holmes Visualização integral - 1920 |
The Nomenclature of Petrology: With References to Selected Literature Arthur Holmes Visualização de excertos - 1928 |
The Nomenclature of Petrology, with References to Selected Literature Arthur Holmes Pré-visualização indisponível - 2016 |
Palavras e frases frequentes
abundant action aggregates albite altered andesite anorthite appearance associated augite banded basaltic base biotite Brögger Bull cemented cent character characterised chemical clay coal composition consisting constituents containing crystalline crystals Daly deposits derived described developed diabase diorite distinguished dolerite dyke felspar formation formed fragments garnet Geol glass gneiss grains granite granular green groundmass Harker Holmes hornblende Iddings igneous rocks Inst inter intrusions Journ labradorite Lacroix latter lava less leucite leucocratic limestone mafic magma magnetite mass material meaning melanocratic metamorphic metamorphic rocks mica minerals nepheline occurring oligoclase olivine origin orthoclase phanerocrystalline phonolite plagioclase porphyritic present pressure Proc processes produced proportions pyroxene quartz referred rich rock composed rock containing Rosenbusch sand sandstone schist sericite shale siliceous small amounts solid solution sometimes stone structure suggested Surv term applied texture tion trachyte Trans variety volcanic whereby
Passagens conhecidas
Página 6 - When I use a word," Humpty Dumpty said in rather a scornful tone, "it means just what I choose it to mean— neither more nor less." "The question is," said Alice, "whether you can make words mean so many different things." "The question is," said Humpty Dumpty, "which is to be master— that's all.
Página 6 - I don't know what you mean by 'glory'," Alice said. Humpty Dumpty smiled contemptuously. "Of course you don't — till I tell you. I mean 'there's a nice knockdown argument for you' !" "But 'glory' doesn't mean 'a nice knock-down argument',
Página 80 - DACITE (qv) ie containing both orthoelaso and plagioclase (oligoclaseandesine). differentiation. A general term for the processes whereby different types of igneous rocks, which may or may not form parts of the same mass, are produced from a common magmatic source.
Página 84 - ... rounded extrusions of highly viscous lava squeezed out from a volcano, and congealed above and around the orifice instead of flowing away in streams. Portions of older lavas or ejectamenta may be elevated by the pressure of the new lava rising from beneath. The second type of dome is usually distinguished as a •volcanic dome.
Página 181 - A term applied to igneous rocks in which all the crystals of the essential minerals can be distinguished individually by the naked eye ; contrasted with aphanitic.
Página 28 - Alluvium is a general term for all detrital deposits resulting from the operations of modern rivers, thus including the sediments laid down in river beds, flood plains, lakes, fans at the foot of mountain slopes, and estuaries (Howell, et al., 1957, p.
Página 54 - A large transgressivo intrusion with steeply-inclined sides and no visible or determinable floor. cataclastic. A term used in reference to the structures produced in a rock by the action of severe mechanical stress during dynamic metamorphism, characteristic features being the deformation and granulation of the minerals. clastic. A term applied to rocks composed of fragments of pre-existing rocks. contact metamorphism. The alteration of rocks in contact with, or proximity to, a body of igneous rock....
Página 203 - Mineralogical varieties such as feldspathic and glauconitic sandstones are recognized, and also argillaceous, siliceous, calcareous, ferruginous and other varieties according to the nature of the binding or cementing material (AGI).
Página 27 - A term applied to those minerals of igneous rocks which are not bounded by their characteristic crystal faces. = Anhedral = Xenomorphic.
Página 178 - A term applied to the manganese nodules and concretions of deep-sea deposits - — HaloboTitc. " Challenger " Rep. (Deep Sea Deposits), iS91, p. 341. Pelite, Naumann. — A general term for clastic sediments composed of clay, minute particles of quartz, or rock-flour.
Informação bibliográfica
| Título | The Nomenclature of Petrology: With References to Selected Literature |
| Autor | Arthur Holmes |
| Editora | Thomas Murby & Company, 1920 |
| Original de | Universidade de Michigan |
| Digitalizado | 6 Jul 2007 |
| Número de páginas | 284 páginas |
| Exportar citação | BiBTeX EndNote RefMan |