Bulletin of the Philosophical Society of Washington, Volume 12co-operation of the Smithsonian Institution, 1895 Vols. 6-12 include the Proceedings of the society's Mathematical Section, 1883-1892. |
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Bulletin of the Philosophical Society of Washington, Volume 13 Philosophical Society of Washington (Washington, D.C.) Visualizzazione completa - 1900 |
Bulletin of the Philosophical Society of Washington, Volume 13 Philosophical Society of Washington (Washington, D.C.) Visualizzazione completa - 1900 |
Bulletin of the Philosophical Society of Washington, Volume 11 Philosophical Society of Washington (Washington, D.C.) Visualizzazione completa - 1892 |
Parole e frasi comuni
accompanied an area alkalies alumina analyses anatomy andesite appears area of low atmosphere augite August basalt body central character Chilhowee cloudy coast craters crystallization dacite density differentiation dikes Dolerite E. E. Howell earth eastern slope eastward Electric peak eruptive rocks feet feldspar geological gravity groups of rocks Haleakala heat hot winds igneous rocks inches iron July Kansas Kaupo Kersantite Knox lamprophyric lavas less leucite lime limestone low pressure area lunar craters magma magnesia magnetic mass meteoric meteorites miles Millers cove minerals Minette molecules molten magma monsoons moon moon's moonlets mountain moved needle Nephelinite occur origin oxide Pacific Pantelleria phenomena Phil plain plate portion Proc rain rainfall region result rhyolite sandstone silica southwest street surface temperature Texas theory tion Topographic trachyte velocity vertical volcanic rocks voluntary observer Wash Washington Whiston མི
Brani popolari
Pagina 428 - Myself when young did eagerly frequent Doctor and Saint, and heard great argument About it and about : but evermore Came out by the same door where in I went...
Pagina 554 - For we have heard him say, that this Jesus of Nazareth shall destroy this place, and shall change the customs which Moses delivered us. 15 And all that sat in' the council, looking steadfastly on him, saw his face as it had been the face of an angel.
Pagina 428 - As it is confessedly the beauty of man which is to be conceived under one general idea, so I have noticed that those who are observant of beauty only in women, and are moved little or not at all by the beauty of men, seldom have an impartial, vital, inborn instinct for beauty in art. To such persons the beauty of Greek art will ever seem wanting, because its supreme beauty is rather male than female.
Pagina 145 - The general succession is from a rock of average composition through less silicious and more silicious ones to rocks extremely low in silica and others extremely high in silica, that is, the series commences with a mean and ends with the extremes.
Pagina 552 - Where the blindest bluffs hold good, dear lass, And the wildest tales are true, And the men bulk big on the old trail, our own trail, the out trail, And life runs large on the Long Trail — the trail that is always new.
Pagina 143 - The constant recurrence of particular series of rocks, often with a certain order of eruption in different localities, and the frequent occurrence of such series at neighboring centers of volcanic activity, would be enough to justify the belief that there was a definite connection between the members of a group.
Pagina 129 - Bohemia, and was afterwards clearly expressed by him in denning petrographical provinces as districts "within which the rocks erupted during any particular geological period present certain well-marked peculiarities in mineralogical composition and microscopical structure, serving at once to distinguish them from the rocks belonging to the same general group, which were simultaneously erupted in other petrographical provinces.
Pagina 134 - Price 10 cents. 65. Stratigraphy of the Bituminous Coal Field of Pennsylvania, Ohio, and West Virginia, by Israel C. White. 1891. 8". 212pp. 11 pi. Price 20 cents. 66. On a Group of Volcanic Rocks from the Tewan Mountains, New Mexico, and on the occurrence of Primary Quartz in certain Basalts, by Joseph Paxson Iddings.
Pagina 112 - We know of no natural processes capable of separating the more acid parts of such a magma except the chemistry of the atmosphere acting at temperatures far below the meltingpoints of the silicates. We have the results of that process in the quartzites, granites, gneisses, and syenites among the silicious rocks: and the limestones and SESSIONAL PAPER No.
Pagina 551 - ... swell to the bursting of their barriers and settle down again on themselves, why the winter suns make such haste to dip in ocean, or what is the retarding cause which makes the nights move slowly ; — and then, after adverting to the humbler pleasures of a country life, commemorates the happiness of the man who has gained a knowledge of the causes of things, and so trampled under foot all fears, and fate's relentless decree, and the roar of insatiate Acheron. It is in Lucretius...