 | | Report (issue) | | associated with impurities in the form of secondary opal, qt1a1--tz sand, clay~ jr0;n oxide , carbonates...employed to a larg·e extent • P. A. Boeck, The Kieselguhr Industry, Met. Chem. Eng., 1914, 12, 109. t C...ea1~ths. are tho,se from N,ortl1er11 Irela.nd a.n d Algeria: the n1<}st expensive a.r e from CaJ.ifo,r nia...tha.t the1,e a1"e ma,ny s1naJl fJ1·oducers in Algeria, e•x act figt1re. for production i11 tl1at c..:ountr...Georgia) Spain • •• •• • •• Swtden •• • ••• • •• Algeria •• •• • • • ... United State~ ••• ,Japan •• • • |  | | Journal (issue) | | mmigration Ol ice. Opal Mines, Wbite Cllifs, New South Wales. Oourte8JI Special Opal Nuinber Granite and...1Iuseum. B y 1rilli<1m F. Foshag The Geology of Opal. By, Oilb rrt Hart.. . . . . . . . . . . . . . ...Quest of the Opal. B!I If. T. Strnng.. . ....................... . . ('(}Jor Play in Opal. B.11, Il. E... . . . . . . . . . . . . . . . . . . . . . 'fbe Opal. JJy E11,qe11e Jr. B1"11k..................... ...Nature, Oc·cune11ce anll U se. By ,John Jfe11111.sr Opal from the Columhin Plateau Basnlt F lows of ,vashington |  | | Journal (article/letter/editorial) | | abandoned Delude pegmatite quarry in his city. This quarry, located on Quarry Street ( near the hospital)...old reports the working was known as the Larrabee quarry. DELAWARE—Kaolin has been dug for pottery from...look like grains of oats, come from a limestone quarry in Winterset, Madison Co., Iowa. KANSAS—R. L. Sylvester...found in a road cut about 10 miles south of the District of Columbia." The gypsum clusters were dark gray...Co., Mich. LOUISIANA—There is a large limestone quarry near Alexandria, Rapides Parish, La. We hope some |  | | Journal (issue) | | Station, N. J., are me11tio11ul. Perhaps no other quarry in this State has yie!dc... Finer sp;..>cimeus I ha,·e not seen. Com111011 opal of dark colors, brown and red, and thin coatings...URBANA.CHAMPAIGN I THE MINERAL COLLECTOR. KIESELGUHR. A SILICEOUS EARTH. Tt-m Lueneburg Heath, in...in Hanover, Germany, is a poor, desolate district, almost without rettt:-ns for the modest heath farmer...large North German heath-and to day the same heath district forms the centre of numerous industries and is |  | Nesterov, Ivan I., Smirnov, Pavel V., Konstantinov, Alexandr O., Gursky, Hans-Jürgen (2021) Types, features, and resource potential of Palaeocene–Eocene siliceous rock deposits of the West Siberian Province: a review. International Geology Review, 63 (4) 504-525 doi:10.1080/00206814.2020.1719370 | Journal (article/letter/editorial) | | Palaeocene–Eocene siliceous rock deposits of the West Siberian Province: a review Ivan I. Nesterov, Pavel V. Smirnov,...Palaeocene–Eocene siliceous rock deposits of the West Siberian Province: a review, International Geology Review, DOI:...Palaeocene–Eocene siliceous rock deposits of the West Siberian Province: a review Ivan I. Nesterova, Pavel V. Smirnov...Taz Peninsula indicates that the West Siberian Province is one of the largest regions of these raw mineral... a new structural zoning of the West Siberian Province is proposed to include the Transuralian, Ob, and |  | | Book | | ....... Quartz and its varieties. Tridymite, Opal, Flint, Chalcedony, Agate, etc. Sands. Quartzite.......... ............ Diatomaceous earth, or Kieselguhr Fused silica and its applications Literature...absolutely compact. The transition from chalcedony to opal seems to be continuous, so that the last would be...Natural hydrated silica includes the varieties of opal. Opal is a natural colloidal silica, commonly occurring... "a its The proportion n or 2*5 per cent, to opal is almost entirely soluble 12 per cent. Unlike |  | | Journal (article/letter/editorial) | | of the phase. t664 ROBERT GREENWOOD from wood-opal. The silicic acid used was Baker "reagent grade"...have produced it in parallel experiments with wood-opal (disordered cristobalite), although no other peaks..."Zwischenzustende" material, obtained by heating Kieselguhr (diatomite) to 1035'C and then cooling it. In |  | | Journal (article/letter/editorial) | | bedeutendcn Rnum einneliniende, eingcdrungeiic, Opal erzcugende h a t c r i e hat sich einen mehr oder...wahre Holzopal, in welcheln tlic Holzsubstanz in Opal verwantlclt is&, m c h t die An- 460 sicht wahrscheinlicb...anzusellell : C e rgin e hl Neueslc Formalion Kieselguhr Polirschiefer Saugschiefer Tertizrgebilde. Die |  | | Book | | in the Jurassic Siliceous Rocks of the Inuyama District, Central Japan 181 Ryo Matsumoto 9 Chert-Hosted...phases, from opal-A (amorphous biogenic silica) to opal-A’ (amorphous inorganic silica) to opal-CT (disordered...silica (opal-A from diatoms in these deposits) is metastable and easily transformed to opal-CT under...accompanied by the mineralogic changes opal-A (biogenic silica) to opal-CT (disordered cristobalite-tridymite)...et al., 1978). Pure siliceous ooze transforms to opal-CT chert then to quartz chert. These transformations |  | | Book | | (Skey, Lab. var. of Epidote) : Westport 31). district, in diorite (G.S. 1913) Parapara (Thomson, Trans...silky form of Asbestos) : A common : Arrow district (Skey, Lab. 31). constituent of igneous rocks... Analcite (Aualcime Andalusite ; In : : district Parapara schist, (Bull. 3) Taramakau Valley...Trans. 15, and Skey, Lab. 10); Waitaki and Oamaru district East Cape, from hot springs (Skey, Lab. 5 and...(Hector) Banks Peninsula (Haast) Dun Mountain district, as gangue of copper-ore (Bull. 12); Dunedin and |  | | Book | | Coke, Kerosene Shale, Graphite, Diamonds, Precious Opal, Emeralds, Turquoise, Sapphires and other Gems,...the Lower Darling plant beds of the New England District. Eocene. , ; ( Upper Cretaceous (Desert Sandstone)...Sandstone). | f J Cretaceous ' "I I L Jurassic opal deposits. Middle Cretaceous. Auriferous alluvial...gold i rai 4.A. 184:«J-4:4. in the Wellington district in 1843-44. This matter is inferred to at considerable...mines, it may be stated that, in the Eutherglen district, one Company has already expended -£39*000 in |  | | Journal (article/letter/editorial) | | Sand, Schlamm, Productc des organischen Lebens , Kieselguhr uud Infusorienlager , Humusbilduog, Torfm,oore...Iudividuen von Hornstein u. s. w., oder auch der amorphe Opal nach und nach dieselben Gefiifse zwischen den organischen...einnimmt, wenn Holz damit durchdrungen wird. Warum sich Opal, warum sich Hornstein bilde, der amorphe oder 320...keiint man aucli i n zartcn Fliiumerii im edeln Opal eingcwachsen , zu Czerweiiitza. Ein merkwurdiges...das im Kern von Hornstein, an dcr Ailfsenscite von Opal verslcinert ist. Die Farbcn vou zufrillig anwcsendein |  | | Journal (issue) | | MINERALSRegular subscription . . . . . . . $1.00 The QUARRY MANAGERS JOURNAL- Regular s ubscription . . . ...1NERALS. The Quarry Afa11agcrs Jo11nwl is the only magazine in the world which is devoted to quarry management...management. written by quarry 1nanagers, edited by a quarry manager, and controlled by an Institute o f Quarrying...everything directly and indirectly relating to quarry management, and its readers are consequently kept...scattered masses a re also found throughout the district. There are all gradations in color from white |  | | Report (issue) | | mine water | a. de cal lime water | «. de cantera quarry water | a. de cohesion cohesive water | a. de consolidacion...aljez nm crude or natural gypsum aljezarnm gypsum quarry | gypsum deposit aljibe nm well | pool | [Col]...alum | a. potdsico potash alum alumbrera nf alum quarry alumbrico,-ca adj alum-bearing alumbroso,-sa adj...street gutters after a heavy rain | a. de cantera quarry spall astillarvfr to splinter astillarse vpr to...stratum | bank or bar of a river, etc. | bench (in a quarry or mine) | [Mexj horse (barren rock within or that |  | | Journal (article/letter/editorial) | | were present in nature, its existence would not Kieselguhr, after well washing them with strong be possible...tem subsequent stages. We have tried unprepared opal a solid body, which takes up comparatively little |  | | Journal (article/letter/editorial) | | were present in nature, its existence would not Kieselguhr, after well washing them with strong be possible...tem subsequent stages. We have tried unprepared opal a solid body, which takes up comparatively little |  | | Journal (article/letter/editorial) | | regarded as associated more particularly with the opal which has been reported by some investigators. Tarr...Tarr (1926) and Bosazza (1937) identified opal in English flint microscopically ; indeed, Bosazza reported...calcined prior to grinding and identification of opal therein must be discredited. The heating of flint...Oakley, 1939). This attack is not specifically on opal because fine-grained quartz is appreciably affected...Nagelsehmidt, 1933). The presence of well-distributed opal could explain the fact that the density and refractive |  | | Book | | Reconstructive Metamorphism . . . INDEX. • • • • DISTRICT 21 23 24 . 25 . 27 . 28 . THE ROOKS OF 1'HE...Brogger Collection of rocks of the Ohristiania district is also deposited in Hall H. This series is of...which have been recognised in the Christiania district, and the theoretical questions which have been...or it may assume the hydrated amorphous form of opal. Cavities in rocks are very often filled 11p with...knowi1 as agates, whicl1 consist of chalcedony, opal, etc., deposited in concentric layers, lining and |  | | Book (edition) | | the Aggeneys and Sutherland areas of the Cape Province, since descriptions of them had not appeared in...of some gold mines and prospects in the Letaba District..............cceccceeeues 82 Diagtammaticsection...133 Geological«mapiofithe: Namaqualand: copper district... ..../. 0c .ses 0 cosa ceevcece nosh eeure bes:...the tungsten deposits in the Namaqualand copper district..................0. 229 Section of the titaniferous-vanadiferous...x 629,72 metres), in any one magisterial district. An amount of R2 is payable for every such permit |  | | Journal (article/letter/editorial) | | impregnate porous cells (unglazed porcelain, burned kieselguhr) with an insol. ppt. produced, i. e., by the...zones: Brusia, Smyrna, Adana, and Konia. Brusia Province pfoduces 10,000 to 15,000 tons of high grade (44-55(&...oxides of Ti, Zr, Sn and T h ; the production of opal glasses; the manufacture of colored glasses; and |  | | Book (edition) | | Also try to obtain a more detailed map of the district where you live. These are usually obtainable from...of pure minerals have separated out. At Prospect Quarry, near Sydney, many interesting minerals are found...(right above) Weathered shale face in old brick quarry. (below) Three Sisters at Katoomba, New South Wales-pinnacles...revealed when the rock is cut across. Location: Albion Quarry (Q), Sydney (N), Stoneyfell (S), Knocklofty (T)...Quartz Plate 15 Rose Quartz, rough and polished Opal, cut and pol;shed Coralloid Calcite Felspar Plate |  | | Book | | jasper, agate, and other forms of quartz, as well as opal. Non-English terms commonly used in English-language...crystal structure, for example, some varieties of opal or liquids like water or native mercury, are sometimes...English have come from German: gneiss, greisen, kieselguhr, knotenschiefer, loess, meerschaum, schalstein...quartz and biotite altered to chlorite. [ Akenobe district, Tajima, Japan] (Kato in 1920) akerite ig. pluton...nepheline than the original melteigite. ] Algarve province, Portugal] (Lacroix in 1922) algon sed. Viscous |  | | Book | | arrangement of their constituent atoms is irregular (see Opal, Plate XIV.3). The majority of minerals are crystalline...Diagram Uses Formula Crystal Form nS Greece, Algeria, S.W. Africa zinc minerals Blowpipe: easily fused;...Permian), galena, Devonian of _ chlorite, Eifel district, talc efc., Dolomites (Italy); very extensive...Blowpipe: not fusible; soluble in HCl granular district, Alabama, quartz Sillimanite (Fibrolite) AI[AISiOs]...Blowpipe: not fusible; not soluble in acids chalk, opal outcrops: N. and S. Downs, Chilterns, Yorks. and |  | | Journal (issue) | | . . .. . . . . . . . . . . 99 CHIPS FROM THE QUARRY (Editorial Page ) .................. 100 USE OF...; in brown barrelshaped crystals in the Humbug district, Yavapai County. In the Cataract Canyon, Coconino...cyprodescloizite. In Idaho, in the Spring Mountain district of Lemhi County at the Iron Mask mine. In New...descloizite. 100 ROCKS and MINERALS CHIPS FROM THE QUARRY land, N.C.; J. L. Hicks, Highlands, N.C.; Prof...a cement block plant, a small abandoned gneiss quarry, and an abandoned gravel pit. A covered platform |  | | Journal (article/letter/editorial) | | Cement in theory and practice. HANSKum. Pit &f Quarry, 22 [ l l ] , 77 (1931); lor abstract see Ceram...AT:GUSTOBUES. Cemento, 3 [7], 225-33 (1931); Pit t 3 Quarry, 22 [lo], 70 (1931).-There is a widespread and...for production of fused cement. E. SCHIRM. Pit &+ Quarry, 22 [lo], 57-62 (1931); for abstract see Ceram...554 (1931). W.W.M. Rational production of flashed opal and colored glass. W. MEWES. Glashiitte, 60, 826...following hatches are given for the production of opal flashing and base glasses of linear thermal expansion |
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