 | | Journal (issue) | | is a solid solution series between end members marialite (sodium chloride rich) and meionite (calcium carbonate...addition, scapolite, at times gemmy, is found in marble produced by contact metamorphism. At other times...violet crystal from the Marble Occurrence, Morogoro Region, Uluguru Mountains, Tanzania (Fig. 6). As best that...Metamorphism and thrust faulting left small patches of marble on older rocks (Fritz and others 2009). Fig. 6...uncertain, that the gem scapolite came from some of the marble units. Fig. 7. Gemmy, clear with yellow tint, |  | | Book | | skeletal forms and/or is altered to leucoxene. Occurrence: accessory mineral in most igneous rocks. It...clearly seen in altered than in fresh grains. Occurrence: it occurs together with magnetite as an accessory...very characteristic and different paragenesis. Occurrence: as a secondary mineral in igneous rocks (Fig...weathers easily, altering to limonite, etc. Occurrence: an accessory mineral in igneous rocks; an impregnation...Distinguishing features: from other ore minerals Occurrence: primary accessory mineral in mafic to ultramafic |  | | Journal (article/letter/editorial) | | few metasomatic occurrences. All spinel occurs in marble and calc-silicate/silicate-rich metacarbonate rocks...Keywords: gemstones, spinel, cobalt, Baffin Island, marble, calc-silicate rock. INTRODUCTION Interest in...a common constituent of marble and metasomatic rocks associated with marble, but it is seldom of gem... is mined at several localities worldwide: (1) marble-hosted and eluvial § deposits in karsts at Mogok...2008); (2) marble-hosted and eluvial deposits near Ipanko, Tanzania (Pardieu 2008); (3) marble-hosted and |  | | Book (edition) | | dealing with mode of origin and localities of occurrence have been thoroughly revised. The genesis of...general description of the associa¬ tion and occurrence of the minerals which it contains is given. Statistics...general physical characters, together with their occurrence, associations, uses, etc., are included under...Arranged According to Elements .... 124 326 Occurrence and Association of Minerals Rocks and Rock-making...lines A-B and A-C, would be the more common in occurrence. Law of the Constancy of Interfacial Angles. |  | | Book (edition) | | objects or replacing fibers of wooden supports. Occurrence up to 3 cm (1 .1 The 8 finest crystals of...mineral, either in ciated with calcite or e Occurrence The finest dendritic and wirelike crystals come...deposits, formed at high hydrothermal conditions. Occurrence The main gold-bearing temperature under districts...that miners are literally showered as they work. Occurrence Occasionally found at Idria (Yugoslavia), Almaden...section (Widmanstatten pattern; see opposite). Occurrence Terrestrial native iron with a low nickel content |  | | Report (issue) | | Meules Cap aux Meules calcite occurrence Cap aux Meules gypsum occurrence Cap au Taureau occurrences Fatima...Baie du Sud occurrence Île du Havre aux Maisons Anse à Damase occurrence Butte Ronde occurrence Chemin des...Head Île de la Grande Entrée Boudreau Island occurrence 26 26 27 27 27 28 30 30 Cap-aux-Meules to Havre-Aubert...Collines de la Demoiselle Collines de la Demoiselle occurrence 31 31 33 33 33 34 Sandy Hook Dune Île du Havre...amethyst occurrence Middle Cove, Outer Cove occurrences Torbay quarry Bauline Road occurrence Quidi Vidi |  | | Book (edition) | | a general description of the association and occurrence of the minerals which etc., it contains is...general physical characters, together with their occurrence, associations, uses, etc., are included under...115 MINERALS ARRANGED ACCORDING TO ELEMENTS. OCCURRENCE AND ASSOCIATION OF MINERALS LISTS OF . Rocks...lines A-B and A-C, would be the more common in occurrence. include a greater or less MANUAL OF MINERALOGY...of their faces. Perhaps the one most common in occurrence has the parameter relations la, 2b, c, the |  | | Book (edition) | | the electrochemical series, of interest in the occurrence and metallurgical treatment of ores, and chemical...crystal-symmetry is inserted. The chapter on the occurrence of minerals has been partly rewritten to include...180 183 184 185 187 189 192 197 CHAPTER V. THE OCCURRENCE OF MINERALS The Classification of Rocks I. Igneous...one mineral only. For example, a pure statuary marble consists of the single mineral calcite. PART...chemical phenomena which are of importance in the occurrence and treatment of minerals. The more active metals |  | | Report (issue) | | barite occurrence Pakenham quarry Cedar Hill soapstone occurrence Galetta celestine occurrence Kingdon...Kingdon (Fitzroy, Galetta) mine Stanton lead occurrence Bell’s mine Calabogie area Bluff Point mine Calabogie...Renfrew–McArthurs Mills area Hunt mine Dacre iron occurrence Keyfortmore mine Radnor mine Sunset mine Spain...molybdenite mine Easton Minerals quarry Two Island marble quarry Ruby mine McCoy mine v 41 42 44 44 45...79 80 81 82 82 83 85 86 86 87 89 89 90 vi Mayo marble quarry Renfrew–Madawaska area Renfrew County Road | | | Book (edition) | | the electrochemical series, of interest in the occurrence and metallurgical treatment of ores, and chemical...crystal-symmetry is inserted. The chapter on the occurrence of minerals has been partly rewritten to include...180 183 184 185 187 189 192 197 CHAPTER V. THE OCCURRENCE OF MINERALS The Classification of Rocks I. Igneous...one mineral only. For example, a pure statuary marble consists of the single mineral calcite. PART...chemical phenomena which are of importance in the occurrence and treatment of minerals. The more active metals |  | | Book (edition) | | Molyhdates 385 Silicates 389 371 6 . . . . OCCURRENCE AND ASSOCIATION OF MINERALS Rocks and Rock-Forming...in a garden has seen minerals in their natural occurrence. The rocks of the mountain, the sand on the beach...mineralogy are limited to materials of natural occurrence. Thus, steel, cement, plaster, and glass are...growt h if such irregularities are of common occurrence. Galena , for example, has a cubic habit , magnetite...or the indices of a face of a trapezohedron. Occurrence of isometric forms of the hexoctahedral class |  | | Book (edition) | | and general physical characters, together with occurrence, associations, and uses, are included in this...oneee we eer 131 243 254 266 A care 270 OccURRENCE AND ASSOCIATION OF MINERALS..............-eececeee0--...or the indices of a face of a trapezohedron. Occurrence of Isometric Forms of the HexocThe cube, octahedron...and nomenclature. Up to the present time the occurrence of ninety-two different elements has been established...this list also must be considered as rare in occurrence. The following table gives the names and the |
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Marble occurrence, Morogoro, Uluguru Mts, Morogoro Region, Tanzania