 | | Book (edition) | | • I I I t A DESCRIPTIVE CATALOGUE OF THE ROCK SPECIJ\fENS IN TIIE i\IUSEU~i OF PR1\.CTICAL GEOLOGY... ,. • • • A DESCRIPTIVE CATALOGUE OF THE ROCK SPECIMENS IN THE MUSEUM OF PRACTICAL GEOIJOGY,...• - NOTICE. THE following Catalogue of the Rock Specimens, by Professor Ramsay, the Local Director...SPECIMENS Introductory re:niarks Meraines; Lower Glacier of the Aar, with notes GLACIERS .AND DRIFT ICE:...Calcareous tufa, &c., witlt Gypsum (sulphate of lime) • Rock Salt, with note by A. C. Ramsay Sulphate of Strontian |  | | | | magical beliefs surrounded minerals. For example, rock crystal, a kind of quartz, was supposed to prevent toothache...sample to another. Sometimes, as in limestone, a rock is composed mostly of one mineral, but most rocks...crust. It may be composed, in part, of a heavy dark rock called peridotite, above. Above right: The diagram...11 Left: Tremendous forces in the Earth squeeze rock layers into folds. Opposite: The diagram shows that... the oceanic ridges form plate edges, where new rock is being added to the crust as molten magma rises |  | | Book | | magical beliefs surrounded minerals. For example, rock crystal, a kind of quartz, was supposed to prevent toothache...sample to a~other. Sometimes, as in limestone, a rock 1s composed mostly of one 1n1neral, but most rocks...crust. It may be composed, in part, of a heavy dark rock called peridotite, above. Above right: The diagram...11 Left: Tremendous forces in the Earth squeeze rock layers into folds. Opposite: The diagram shows that... the oceanic ridges form plate edges, where new rock is being added to the crust as molten magma rises |  | | Book (edition) | | instructors leads to the conclusion that here is an area of the widest divergence of opinion. The order adopted...and some may describe the geologic pattern of the area in which you live. The list of publications is free...Natural History. • I Contents I The Earth 3 Rock-forming Minerals 23 III Igneous Rocks and Volcanism...or of soil derived fron1 the breakdown of solid rock. Such materials are heavier than water; in fact...these immense mountains have "roots" consisting of rock that is lighter ( of lower density) than the average |  | | Book | | MECHANICAL AGENCIES. : ; ; ; , - - Frost. Talus. Rock Glaciers. Creep of Soils. Temperature. Mechanical...Weathering. Differential Weathering. Widening of Valleys. Rock Mantle and Soil. Kinds of Soil. Removal of Soil...Divides. Elevations Due to Unequal Hardness. Outliers. Rock Terraces. Stream Piracy. THE EROSION CYCLE. ...0 Rp Effect of Elevation Se eee and Depression area OO) on PENEPLANATION TA The Peneplain of Sduthern...Organic Deposite = Disvorte Marl. Peat. Playas. Salt Rock Salt. Extinct Lakes. Lakes. CHAPTER THE GENERAL |  | | Book (edition) | | • I • • • , A .. DESCRIPTIVE CATALOGUE • ROCK SPECilVIENS • IN THE ' MUSEUM OF PRACTICAL GEOLOGY...FIRST EDITION . • THE following Catalogue of the Rock Specimens, by Professor Ramsay, the Local Director...Lower Keuper Sandstones or W aterstones Keuper Marl, Rock Salt, Upper Keuper Sandstone Gypsum, Sulphate of...Great Oolite Forest ifarble Cornbrash .. Kellaways Rock .. • .. MIDDLE OoLITE. Oxford Clay Coral Ra.g ....}.{arble, &c. , MARLSTONE or Middle Lias ; Brown Rock, Iron Ore, &c. UPPER LIAS ; Clay, Limestone, Septaria |  | | Book | | Author forty years ago, and applies equally well to rock specimens. Do not attempt to describe new species...not invariably due to projecting headlands of hard rock. The spacious and beautiful Golden Bay in North...of longitudinal hollows along the softer zones of rock. The mere circumstance that the prominent ridges...same resistance to denudation, the harder bands of rock will obviously form a series of more or less parallel...same height. Do not select a single specimen of a rock for analysis and regard it as representative of |  | | Journal (volume) | | precipitated. These fluids often seep into cracks in crystal rocks such as marble, so that veins of minerals...by pyrite. FACT FILE PYRITE Group: Sulphides Crystal system: Cubic Habit: Cubes, pyritohedra, octahedra...titanium or manganese that are present within the crystal structure of the mineral. This rose-coloured variety...brittle. FACT FILE ROSE QUARTZ Group: Oxides Crystal system: Trigonal Chemical formula: Si0 2 Hardness:...impurities of titanium or manganese contained in the crystal structure. If there were no impurities, the quartz |  | | Book | | 3807 842 897 . LIST OF ILLUSTRATIONS Lepce oF RocK WITH NEARLY VERTICAL STRATA PLATE a 11 12 FACING...PINNACLES (Lower picture) . estas es DAVIDSON GLACIER, ALASKA, SHOWING “AcTION ON THE VALLEY’S WALLS...RETREATING GLACIER (Lower picture) .. aitver he Dieteeee Oe Swirt CURRENT VALLEY IN GLACIER NATIONAL Park...Park, FORMED BY STREAM AND GLACIER ACTION YOSEMITE VALLEY FROM WESTERN ENTRANCE. THE RESULT OF GLACIAL...GLACIAL ACTION LOOKING-GLASS ROCK, UTAH. STRATIFIED SANDSTONE SCULPTURED BY WIND EROSION (Upper picture) Taine |  | | Book (edition) | | present chapters on glaciation, lakes and swamps, and rock deformation and mountain building were prepared...IGNEOUS ROCKS AND ASSOCIATED ORES 108 Chapter 8 ROCK WEATHERING AND SOILS 126 Chapter 9 SEDIMENTATION... Chapter 16 LAKES AND SWAMPS 354 Chapter 17 ROCK DEFORMATION 370 AND MOUNTAIN BUILDING Chapter...Government Travel Bureau.) gypsum, potash, and phosphate rock. Ground-water geologists assist in locating supplies...and gravel, clays, salt, lime, sulfur, phosphate rock, potassium salts, and gypsum. In 1957, the mineral |  | | Book | | processes) and structural geology (the study of rock deformation). Fieldwork and geological mapping are...field observation. When studying the geology of an area, field observations, laboratory work and information...largely of iron-rich silicates. Silicates are common rock-forming substances consisting mostly of metals,...temperatures were much higher (about 300°C in the area in which the Earth formed). Volatile materials could...planets formed from dust grains. The gas in this area was probably swept outwards as the newly forming |  | | Book | | Crystals Unit cells and crystal systems Additional properties of minerals The rock-forming minerals The...Outline of the geological history of the British area The Pre-Caledonian basement Building the Caledonian...historical documents. 2. Rocks as Records Definition. A rock is a solid portion of the earth's crust which has...surface of the earth is rock of one sort or another. A particular kind of rock, such as clay, can be distinguished...primary characters which were acquired when the rock was originally formed from the secondary characters |  | | Book | | of Granite Tors Weathering Residues The Mantle of Rock Waste The Growth and Nature of Soils 74 74 76...Evaporites Co~ Petroleum and Gas North Sea Ga..; 47 5 ROCK WEATHERI NG AND SOILS 3 MATERIALS OF THE EARTH'S...of countered in disastrous quantities in mines. rock (the lithosphere). partly covered by ,vutcr Thus..." 3 Desert. From a conspicuous outcrop of this rock the Sphinx was carved, probably du ring the reign...density about 10-72). The surrounding zone of " heavy rock" (mean density 4-53) is known as the 111antle or |  | Harris, Norman, Fenton, Carroll Lane, Cooper, Chalmer L., Collins, Henry Hill, Haslau-Perry, Olivia V. - Eds. (1961) Larousse Encyclopedia of The Earth (1st ed.) Prometheus Press, New York. | Book (edition) | | Anomalies of the Upper Atmosphere 119 Formation of Glacier Ice 16 21 23 27 28 31 32 34 Atmosphere and...Vulcanism 139 Magma 141 Structure of Volcanoes of Glacier Ice of Glaciers Soil Wind Origin of Volcanoes...recently, a coarse in so doing, unfavourable rock, the tools natural glass obsidian, his Age man...get heat and energy from coal (a black rock) and petroleum (rock oil), as well as from gas, running water...beautiful view. The steep slope seems as firm as the rock of Gibraltar, yet plain geologic clues would warn |  | | Book (edition) | | Water IV. Work 117 140 Effects 369 : : Rock Contributions from Pressure, Earthquakes Originof...Orogenic Work, 89 Geology. General Remarks on Rock-making 351 fects 61 : III. . . Orographic...the ANIMAL KINGDOM, the PLANT KINGDOM, and the CRYSTAL KINGDOM. An individual in either kingdom has its...there is, hence, no proper development, as the crystal is perfect, however minute (5) it ends in simply...lifeless, there is no proper death or necessary crystal (1) a lifeless object, is ; ; ; ; ; dissolution |  | | Book (edition) | | Similarly a detailed discussion of the mechanics of glacier motion, which has inherent interest but is not...confidence and stimulate his interest. The cause of rock exfoliation has not yet been proved; we can not.... . . . . . . . . . . . . . . . . . . . . . 1 RocK WEATHERING AND ITs PART IN EROSION................without great difficulty to recognize most of t he rock masses he may see in the Alps, the Rocky Mountains...elsewhere in his travels. A study of variations in rock types or of the more detailed features in minerals |  | | Book (edition) | | Minerals and crystals Rock-forming minerals Crystal structures of the silicate minerals Rock-forming silicate...— exemplified by the eastern Scottish Highlands ROCK WEATHERING AND SOILS Weathering and climate 275...5 Weathering residues 284 15.6 The mantle of rock-waste 285 159 15.7 The growth and nature of...2 River erosion 312 20.6 The velocity of a glacier 411 17.3 Discharge and transporting capacity... 20.7 How structures in glaciers 411 20.8 Glacier—climate relationships 412 17.4 Rates of denudation |  | | Book (edition) | | Minerals and Crystals Rock-forming Minerals Crystal Structures of the Silicate Minerals Rock-forming Silicate...Granitisation : Granodiorite to Granophyre The Cycle of Rock Change 165 165 168 170 173 175 176 180 185 188...Fracture and Flow in Ice Rheidity : a Time Aspect of Rock Deformation Dip and Strike Folds Joints Faults Normal...Diapirs Diapirism True-to-scale Model Experiments Cap Rock Diapiric Roof Structures Other Sedimentary Intrusions...348 352 354 356 359 363 365 373 375 378 380 381 ROCK WEATHERING AND SOILS Weathering and Climate Disintegration |  | | Journal (volume) | | the Sometimes this portion of granite is mountain-rock which makes its appearance in all directions. ...agency after the formation and induration of the rock. When, however, we break a piece of granite bounded...with those by which the individuals of a twin crystal, or by which granular or columnar distinct concretions...which bound the individual concretions of which a rock is composed ; and that these angular pieces are...the formation of this "What has been already said rock, cannot be fully discussed in this place. is sufficient |  | | Book | | geology and its relevance to engineering work in rock and soil. This edition also provides a text which...that student engineers attend, such as those in rock and soil mechanics, ground-water flow, and urban...supplement the more extensive courses of soil and rock mechanics that the students will be attending at...appropriately dealt with by conventional courses of rock and soil mechanics. Chapters l O to 18 inclusive...Earthquakes /sostacy Continental drift Ocean ridges Rock magnetism Mechanics ofdrift Plate tectonics Earth |  | | Book (volume) | | I *i Author of Levelling and Geodesy; &c. Switzerland: Geography, W. A. B. C. Government, &c., History...Dauphins; and Tell, Guide to Grindelwald; Guide to Switzerland; The Alps in Nature and in Editor of the Alpine...under Joubert in the Tirol in that year, and in Switzerland under Brune in 1 797-98, were recognized by his...territory, but it is properly applied to the whole area indicated, which corresponds roughly to that portion...southwards at some points 1000 m., with a total area of over 2,000,000 sq. m., and a population, approximately |  | | Book (volume) | | in a considerable extension of the biographical area, even as regards individuals of British nationality...Lampeter, 1880-1881. Guide to Grindelwald; Guide to Switzerland; The Alps in Nature and L History; &c. Editor...navigable as far as St Omer; and a river of Switzerland, in the cantons of Lucerne and Aargau, which...river which both rises and ends entirely within Switzerland. Its total length (including all bends) from...ft., while its official. AARAU—AARHUS drainage area is 6804 sq. m. It rises in the great Aar |
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