 | | Book | | Professor Dr. R. T. LUBALA Laboratoire de Petrologie Universite de Lubumbashi, B. P. 1825 Lubumbashi - Zaire...individual chapters: i) the carbonatitic-alkaline province outcropping on the Kenya-Uganda border which have...Petrogenesis of the volcanic rocks of the Karoo Province edited by ERLANK (1984). In addition, a review...review paper related to this volcanic province appeared in the book devoted to the Flood Basalts Provinces...same applies to the Oceanic volcanism (except the Canary Is.). The book is subdivided into four parts centring |  | Nabyl, Zineb, Massuyeau, Malcolm, Gaillard, Fabrice, Tuduri, Johann, Iacono-Marziano, Giada, Rogerie, Grégory, Le Trong, Emmanuel, Di Carlo, Ida, Melleton, Jérémie, Bailly, Laurent (2020) A window in the course of alkaline magma differentiation conducive to immiscible REE-rich carbonatites. Geochimica et Cosmochimica Acta, 282. 297-323 doi:10.1016/j.gca.2020.04.008 | Journal (article/letter/editorial) | | alkaline provinces (East African Rift, Canary and Cape Verde Islands) and show that REE concentrations of...GPa) at the ISTO laboratory (Institut des Sciences de la Terre d’Orléans, France). The experimental pressures...SXFive electron microprobe (Institut des Sciences de la Terre d’Orléans, France) equipped with a WDS detector...intracontinental rifting compositions, and the Canary and Cape Verde Islands representing hotspot settings on an...oceanic lithosphere (data from GEOROC database and De Moor et al., 2013, Mattsson et al., 2013 and Mana |  | Amstutz, G. C., Goresy, A. El, Frenzel, G., Kluth, C., Moh, G., Wauschkuhn, A., Zimmermann, R.A. - Eds. (1982) Ore Genesis. Springer Berlin, Heidelberg. doi:10.1007/978-3-642-68344-2 | Book | | entirely to "the state of the art", because the flow of new genetic ideas must, in many cases, be allowed...the heat. Heat flow is not necessarily identical with diffusional or migrational flow of "hot brines"...degree of alteration within one and the same lava flow. On such evidence a convection and leaching model...Vanadium Oxides in the Urcal Deposit, Argentina M.K. de Brodtkorb (With 6 Figures) . . . . . . . . . . .... . . . . .. 336 Plasticity of Cryolite and Brecciation in the Cryolite Deposit, Ivigtut, South Greenland |  | Amstutz, G. C., Goresy, A. EI, Frenzel, G., Kluth, C., Moh, G., Wauschkuhn, A., Zimmermann, R.A. - Eds. (1982) Ore Genesis - The State of the Art - A Volume in Honour of Professor Paul Ramdohr on the Occasion of His 90th Birthday With Special Reference to His Main Scientific Interests - Special Publication of the Society for Geology Applied to Mineral Deposits No. 2. Springer Berlin Heidelberg. | Book | | entirely to "the state of the art", because the flow of new genetic ideas must, in many cases, be allowed...the heat. Heat flow is not necessarily identical with diffusional or migrational flow of "hot brines"...degree of alteration within one and the same lava flow. On such evidence a convection and leaching model...Vanadium Oxides in the Urcal Deposit, Argentina M.K. de Brodtkorb (With 6 Figures) . . . . . . . . . . .... . . . . .. 336 Plasticity of Cryolite and Brecciation in the Cryolite Deposit, Ivigtut, South Greenland |  | | Book | | .. Placer de Guadalupe Puerto del Aire District Chihuahua .......................... Santa Eulalia District...Mine....... Cusihuiriachic District..... Barranca de Cobre (Copper Canyon) Batopilas District Strip Map...Durango ...................................... . Cerro de los Remedios District Sombreretc District .........El Sanlin Mine......................... San Miguel de Allende ........... Queretaro .....................National University .................... Comision de Fomento Minero .... Chapultepcc Park and Castle |  | | Journal (article/letter/editorial) | | Quebec, in silicocarbonatite sills with weloganite, cryolite, calcite, quartz, and other minerals; translucent...basement xenoliths ejected with leucite tephrite lava together with roedderite, as colourless or very...Orthorhombic, a 23.20, b 9.20, c 13.18 A, Z = 1; Bobs. 3.11, De,it. 3.11; optically biaxial negative, 2V 56-59 ~...Schoch, W. A. van der Westhuizen, L. D. C. Bok, and H. de Bruiyn, 1984. A.M. 69, 979. At a sillimanite quarry... 65 km west of Pofadder, Bushmanland, NW Cape Province, South Africa, as compact white masses of tabular |  | | Report (volume) | | North America and adjoining islands, also Panama and the Hawaiian Islands. Papers by American writers...Engineers: Transactions, vols. 66, 67. New York. Annales de Pale"ontologie, tomes 4, 5. Paris. Annales des mines...ge"ologique de Belgique: Annals, t. 36, liv. 4, t. 37, liv. 1-2. Liege, Belgium. Socie"t6 ge'ologique de France:...Dawson. 4. An experimental investigation into the flow of diabase. Abstract: Science, new ser., vol. 32...Geology of the Haliborton and Bancroft areas, Province of Ontario. Canada, Geol. Survey, Mem. no. 6, |  | | Book | | The Rock Cycle 24 Flow Igneous Rocks Form 26 Flow Sedimentary Rocks Form 28 Flow Metamorphic Rocks...Geological Maps 38 Reading the Landscape 40 Flow Minerals Form 42 Mineral Crystals 44 Mineral...Copper and gold were both too soft to geology book, De Re Metallica (On Landscape, Understanding Rocks...volcano on Isabela Island, one of the Galapagos Islands. Volcanoes are among the world's most important... must be denser than the crust. Meteorites and flow in much the same way. Fast core along the Core-Mantle |  | | Book | | The best lazurite crystals come from Badakhshan Province in Afghanistan, which is also the source of the...textures and structures, for example, lava can produce glassy rocks with flow structures. Types of Rock Examples...extrusive and form when lava solidifies; they may contain glass, gas bubbles, or show flow structure. interlocking...CUMULATE ROCK gas bubble holes VESICULAR BASALT flow structure BASALT METAMORPHIC ROCKS These rocks...clast mineral), volcanic breccia (occurs next to lava). 22 S E D I M E N TA R Y R O C K S Tillite |  | | Book | | silica-rich mineral that often fonns in volcanic lava, produced ultramarine pigment, and its natural association...geology book, the field to explore rocks and n1inerals De Re Metallica (On things metallic). and the story...volcano on lsabela Island, one of the Galapagos Islands Volcanoes are among the world's rnost 1n1portant...their 'rheology' is not - that is, they distort and flow in much the same way. Fast seismic waves show the...76-670km/1D--420 miles down is so warm it is soft enough to flow. In the asthenosphere layer, below the lithosphere |  | | Book (edition) | | ,. " . .,.\. . s. ' ",,C...O , •' 66. Cryolite (white) with chalybite (br own), galena and copper... 31 134. Heulandite ir1 amygdales in basaltic lava 135. Muscovite (white mica) 32 136. Lepidolite...Iceland Obsidian, Iceland Ropy Lava, Iceland Oxidized upper surface of Lava Flow, Iceland 163. Lapilli (volcanic...172 169. Fine-grajned porphyry, Sweden 170. 171. Flow-banded porphyry, Sweden 172. Porphyritic granite...•:•:•:•:•:•:•:•:•:•. ·-:-:-::::. Ocean Simo ~ Assumed flow • • 1n s1ma - ... - Greywacke w Limestone ••••••• |  | | Book | | photographs 125 identified minerals and rocks Rudo Hara de Digitized by the Internet Archive in 2022 with...mineral or gem society in almost every state and province, attend regular meetings, and go on conducted...Consider some more of them—pumice from the Lipari Islands to polish your teeth or from California to insulate...breaks through to the surface and wells out as a lava flow, or is blown out as volcanic fragments, the resulting...we refer to this sort of he) igneous rock, but lava can issue quietly trom open fissures in the earth |  | | Book | | volcanoes, and volcanic Roman activity authors and de- earth- quakes. Strabo, the Greek geographer and...associated with Etna, Somma-Vesuvo and the Lippari Islands. He also suggested that volcanoes were natural...a belt of coarsely crystalline ultra-basic R. A. de Reaumur (1726), L. Spallanzani (1794) and George...significant. According to Brown (1982a: 150) heat-flow measurements at the surface of the Earth vary from...mean of 60 mW/m?. This gives an integrated heat-flow through the surface of the Earth of 107! J/a (joules |  | | Book | | to life. The location of salt springs guided the flow of traffic through many a country. Cassiterite,...Minerals earlier from the nearby Scilly Islands or the coast of Spain. Amber is an example of a nonessential...mines have indeed been uncovered by accident. Cerro de Potosi, the hill of silver in Bolivia, is said to...records how the underlying rocks conduct or resist the flow of electricity through them. Ores buried beneath...Superior region, manganese ore in Russia, pyrite in Spain, and other mineral products elsewhere. Sometimes |  | | Book | | (amosite of the Transvaal; crocidolite of the Cape Province, South Africa). (4) Serpentinized dolomitic limestone...massif (termed the ultrabasic sopka). This is im- Santa Rita, San Benito County, produces 35,000 to 40,000...200,000 tons/year, is controlled by S.A. Mineracdéo de Amianto (SAMA). The company operates the Cana Brava...the north- these (Cilliers, 1964). ern Cape Province (Figure 3). South Africa is the world’s only important...Precambrian Transvaal Supergroup, Northern Cape Province The Transvaal Super-Group, exposed in a broad |  | | Book | | the complexity of its materials, it is primarily de¬ crystallized on a surface scriptive. Nevertheless...beginning as a science, it would be the publication of De Re Metallica. cubic crystals of galena Written...can be expressed by a chemical formula. Agricola’s De Re Not only are the proportions of the various atoms...dimensions of the unit cell vary from mineral to mineral, de¬ Isometric pending on the kinds, number, size and...overlying rocks, exposing at the surface the intrusive lava observed in ordinary rock formed far below. light |  | | Report (issue) | | Probe analyses (1) and trace elements from Tenerife, Canary Islands. Arfvedsonite. AMPHIBOLE. Ferguson, Contrib...(1979). Riebeckite-arfvedsonite in pyrite belt, Spain. AMPHIBOLE. Nambu et al., (Tohoku Daigaku Senko...Probe analyses (1) and trace elements from Tenerife, Canary Islands. 22 APATITE. Fortey and Michie, Mineral...apatite of alkalic-ultrabasic rocks, Maimecha-Kotui province. AHHTHITALITE. Serafimova, Mineral. Vozgonov Vulkanov...75990 (1980). High-temp, transformations. BIOTITE. De Pieri et al., Neues Jahrb. Mineral., Abh. 132, 309-328 | | | Book (edition) | | Green crystal of fluorite in calcite 19 66. Cryolite (white) with chalybite 67. Rhombs of calcite...(lithia mica), pink flakes in feldspar altic lava 135. Lepidolite 137. Flakes of lepidolite in...Obsidian, Iceland 161. Ropy Lava, Iceland 162. Oxidized upper surface of Lava Flow, Iceland 163. Lapilli... Fine-grained porphyry, Sweden 170. 40 171. Flow-banded porphyry, Sweden 172. Porphyritic granite...Limestone Shale (i) Volcano c , iW Submarine Lava volcano Molten material forcing its way to the |  | | Journal (article/letter/editorial) | | size from 1 to 4 cm across, occur in a basaltic lava flow that is approximately 1100 Ma. This makes them...agates from Sidi Rahal and Kerrouchen (Khénifra Province, Meknés-Tafilalet Region), in the Atlas mountains...(rutile) in agate nodules from Kerrouchen (Khénifra Province, Meknés-Tafilalet Region) in Morocco [27] were...coastal zone of the Avacha Bay. The cover phase unites lava flows, lavobreccia, and the tuff of developed in...coastal zone of the Avacha Bay. The cover phase unites lava flows, lavobreccia, and predominantly andesite/basalt |  | | Book | | to life. The location of salt springs guided the flow of traffic through many a country. Cassiterite,...much earlier from the near-by Scilly Islands or the coast of Spain. Amber is an example of a non-essential...mines have indeed been uncovered by accident. Cerro de Potosi, the hillof silver in Bolivia, is said to...records how the underlying rocks conduct or resist the flow of electricity through them. Ores buried beneath...is 1.48, recorded for oxammite from the Guanape Islands of Peru, and for crystals of sassolite, which is |  | | Book | | geophysics, and applied and economic geology. The flow chart on page 9 shows how these topics are inter-related...to be and the has been eroded away. oceanic islands appear to be mainly composed of sima. At a depth...magma which has solidified into volcanic basalt rock lava. Surtsey is still in the process of formation. ...solidifies as a large expanse of flat magma — a lava flow. The photograph on page 39 shows the first stages...at the surface are known by the general term of lava. Large amounts of gas are always released during | | | Book | | geophysics, and applied and economic geology. The flow chart on page 9 shows how these topics are inter-related...composed of sial; the ocean floor and the oceanic islands appear to be mainly composed of sima. At a depth...magma which has solidified into volcanic basalt rock lava. Surtscy is still in the process of formation. ...solidifies as a large expanse of flat magma - a lava flow. The photograph on page 39 shows the first stages...at the surface are known by the general term of lava. Large amounts of gas are always released during |  | | Journal (issue) | | because of its rapid movement and type. It is found in lava flows and contains extract chlorine, which is used...Above left Striped cubic crystals of pyrite (Soria, Spain). Above centre: 8sided cassiterite crystals (Mwaka...metres or 1£f9 metres}. • D S C O V E R Y 27 de Cl c:: :::0 )> cc r-l Left: Talc, the softest...magnetism. He recorded his findings in a treatise called De Magnete (Latin for 'Concerning The Magnet'), in which...examples Germany, Bellaver de Cerdena The main arsenate with a triin Spain and the Lewis Well in clinic |  | | Book | | flakes by a river. In the course of a river the flow velocity changes and particles transported in the...problematic since there are also transitions that flow here. Accordingly, there are countless approaches...Fig. 1.8 Honey-colored sphalerite from Santander (Spain) (photo © F. Neukirchen/Mineralogical Collections...leaks and to map the borate content in the Salar de Uyuni (Sect. 5.7.2). In addition to such passive...substances there are also particles transported by the flow (in particular, heavy minerals) in rivers. Large-scale |  | Zim, Herbert S., Shaffer, Paul R., Latimer, Jonathan P., Nolting, Karen Stray, Post, Jeffrey, Pohwat, Paul W. (2001) Rocks, Gems and Minerals - A Guide to Familiar Minerals, Gems, Ores and Rocks. St. Martin's Press, New York. | Book (edition) | | excavations expose fresh rocks. SURFACE FORM lava-capped butte ROCK ‘ made of rock— limestone ...toward the surface. The continents themselves are islands of granitic rock (p. 111) floating on the denser...mineral introduced into a flame will color the flame, de- pending on the metals it contains. Flame tests...and coast ranges, are more limited than those of Spain or China. Cinnabar forms hexagonal crystals but...unusual—4 to 5 along the crystal axis, but 7 across. Cryolite (Na,AlF,) is a rare mineral. Small amounts have |
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