 | | Journal (issue) | | Lengenbach Mineral Locality, Binna Valley, Valais, Switzerland............................................Imhof Famous Mineral Localities: Lengenbach, Switzerland 275 by Stefan Graeser Rare Earth Minerals in...Bochum-Querenburg, West Germany Eric Offermann Arlesheim, Switzerland photomicrography: Julius Weber Mamaroneck, New...g e n b a c h q u a rry , B in n a V a lle y , Valais, S w itz e rla n d (see a rtic le s in th is issue...KELLER-WILDI, W yhlenweg 40 CH 4 1 2 6 Bettingen, Switzerland ā
Cabinet specimens ā
Miniatures ā
Thumbnails |  | | Journal (article/letter/editorial) | | were later filled with clay, silt, sand, dolomite, calcite, gypsum and organic matter. Carbon-14 age...supratidal and lacustrine environments where Recent dolomite has been identified, e.g. Bonair Island, Netherlands...(VON DER BORCH, 1965). Recent and ancient calcite-dolomite pairs have been examined for oxygen and carbon...and laboratory work show that dolomite in isotopic equilibrium with calcite should 826 626 Notes be...EPSTEIN, 1966). The occurrence of coexisting calcite and dolomite with similar isotopic composition is apparently |  | | Report (chapter) | | Environmental Sciences, University of Geneva, Switzerland 2 Geological Institute, Bulgarian Academy of...Institute of Earth Sciences, University of Lausanne, Switzerland 4 Balkan Mineral and Mining EAD, Dundee Precious...Corresco AG, Gotthardstrasse 20, Level 3, 6304 Zug, Switzerland 6 Present address: Avala Resources doo, Bor...silicified zone, including adularia and silicified dolomite blades, diagnostic for boiling conditions during...and secondary fluid inclusions, respectively, in dolomite and barite yield homogenization temperatures ranging |  | | Report (volume) | | mercury in the Guilmette Formation and Simonson Dolomite of Devonian age in the Pequop Mountains and ff^ood..._____________________ 2. Float and outcrop samples, canyon at locality PQ-31. 3. Float and outcrop samples, canyon at...at locality PQ-65. 4. Float and outcrop samples, canyon at locality PQ-86. 5. Gossan and jasperoid, southeast...fillings and In small gossan pods in silicified dolomite and limestone. The strongest anomalies detected...Hills are in the Guilmette Formation and Simonson Dolomite of Devonian age. Small white barite pods and lenses |  | Rampilova, Maria, Doroshkevich, Anna, Viladkar, Shrinivas, Zubakova, Elizaveta (2021) Mineralogy of Dolomite Carbonatites of Sevathur Complex, Tamil Nadu, India. Minerals, 11 (4) 355 doi:10.3390/min11040355 | Journal (article/letter/editorial) | | minerals Article Mineralogy of Dolomite Carbonatites of Sevathur Complex, Tamil Nadu, India Maria Rampilova... A.; Viladkar, S.; Zubakova, E. Mineralogy of Dolomite Geological Institute, Siberian Branch of the...consists of dolomite carbonatite with a small number of ankerite carbonatite dikes. Calcite carbonatite...in a very minor amount as thin veins within the dolomite carbonatite. The age (207 Pb/204 Pb) of the Sevathur...NEāSW trending fault systems. Minor minerals in dolomite carbonatite are fluorapatite, phlogopite (with |  | | Journal (article/letter/editorial) | | Oman Peninsula, Arabia, is divided into the Bih Dolomite (Permian, 650 m.), Hagil Limestone (Permian, 260...to include them. The 1,600 m. of limestone and dolomite found to occur below the strata recorded by Lees...Lees were divided and named the Bih Dolomite, Hagil Limestone, and Ghail Limestone (Hudson et al., 1954)...108 m. 180 m. Sections Sampled.āThe outcrop of the Bih Dolomite which occupies the core of the Hagab...not possible to examine the central part of this outcrop so it is possible that there are lower beds exposed |  | | Journal (article/letter/editorial) | | veins and fissures of an extensively fractured dolomite south of Perth, Ontario, Canada. Total chemical...was found in eastern Ontario in a metamorphosed dolomite that also contained phlogopite. Whereas reports...rocks consists chiefly of diorite, gabbro, gneiss, dolomite, and marble (Jupe and Jackson, 1964). The marbles...the site, dolomite is exposed in a roadcut 135 m long and as much as 6 m high. The outcrop is extensively...extensively fractured. Phlogopite is common in this dolomite and occurs as millimeter-size crystals and as |  | Ricci, Giulia, Monti, Andrea Maurizio, Pagano, Renato, Martini, Marco, Caneve, Luisa, Artioli, Gilberto (2021) Unusual Luminescence of Quartz from La Sassa, Tuscany: Insights on the Crystal and Defect Nanostructure of Quartz. Minerals, 11 (12) 1345 doi:10.3390/min11121345 | Journal (article/letter/editorial) | | Ā© 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed...luminescent quartz was discovered in a calcite/dolomite outcrop near the town of La Sassa, Tuscany (Italy)...northern part includes an outcrop of calcite, with a minor amount of dolomite, quartz, traces of iron sulphides...is also found [15,20]. In particular, the calcite outcrop contains quartz as vein-shaped, honey-yellow...honey-yellow quartz nodules, similar to a network of calcite and silica veins. The quartz presents a length-slow |  | | Journal (article/letter/editorial) | | within carbonateāevaporite sequences: The role of dolomite and anhydrite Marco M. Scuderi a,b,n, AndrĆ© R...properties of these rocks, which are dominated by dolomite and anhydrite and differ from typical quartzofeldspathic...and associated microstructures of anhydrite and dolomite fault rocks. We performed frictional sliding experiments...frictional instability at seismogenic depth within dolomiteāanhydrite sequences. & 2013 Elsevier B.V. All...Anhydrite (50%)+Dolomite (50%) Anhydrite (50%)+Dolomite (50%) Dolomite from core sample Dolomite from core |  | | Journal (article/letter/editorial) | | Mount Tabor ātwinsā (figs. 2 and 3). Additionally, calcite, ilmenite, pyrite, and goethite pseudomorphs after...shelter (fig. 5). Adjacent to this is a large outcrop about 50 feet high that a former state geologist...few rounded grains of zircon, 10 feet thick; ā¢ādolomite, 20 feet thick. The above rock layers strike N...20Ā°ā30Ā° E. Additionally, Perkins noted another dolomite outcrop 350 feet to the east and the ruins of an old...schist; biotite-muscoviteplagioclase-quartz schist; dolomite marble; and a magnetitemuscovite-plagioclase quartzite |  | | Report (volume) | | Member.______________________________ Pecatonica Dolomite Member__________________.___-__._ McGregor Limestone...________________________ Ion Dolomite Member.________________________________ Galena Dolomite._________________...comprises about 290 feet of siliceous and argillaceous dolomite that contains some rounded quartz sand, greenish-gray...from 49 to 55 feet in thickness, and consists of dolomite, limestone, and shale. It is divided as follows...in ascending order: Glenwood Shale, Pecatonica Dolomite, McGregor Limestone, and Quimbys Mill Members |  | | Report (issue) | | The Relation of Dolomite Associated with Faults to the Stratigraphy and Structure of Central Kentucky...Kentucky Geological Survey The Relation of Dolomite Associated with Faults to the Stratigraphy and...laboratory studies of newly discovered fault-associated dolomite bodies found as a result detailed geologic mapping...Publication Data Black, Douglas F B The relation of dolomite associated with faults to the stratigraphy and...___ Introduction ____________________________ Dolomite classification and features used in field identification |  | | Report (volume) | | in the present report was to ascertain whether dolomite of high commercial purity is available on a large...large scale, but restricted areas of high-grade dolomite have been proved. Ā· Ā· Geological examination of...STAINING METHODS FOR DISTINGUISHING BETWEEN DOLOMITE A."sD CALCITE . 27 LIST OF REFERENCES 28 INDEX 29...E. . ' LOCATION AND TOPOGRAPHY THE Cambrian outcrop in the Ord area is less than two square miles in...JOO ft. and 150 ft. in height; to the south the outcrop runs up the west face of the Tarskavaig hills to |  | | Journal (issue) | | greenstone outcrops fo rming steeper h ighlands The outcrop of rocks represent the most northerly extension...andrad1te. calcite and prehn ite. Some ve,ns also contain prehnite and datol1te enclosed by calcite. Actinolite...containing inclusions of garnet. are enclosed by calcite. Analysis of the garnet by m1croprobe shows that...forming around a nucleus of calcite which has since been removed. The white calcite, CaC0 3 ā¢ which generally... Brauman). In the tip quarry, a vein of white calcite encloses thin films of quartz which are covered |  | | Report (edition) | | . ..................................... . 145 Calcite (including travertine) ......... .................................. 8. Photo of Van port flint outcrop at Fl int Ridge State Memoria l ............ ....Photo of three generations of iron-r ich ferroan dolomite ......................................................... 19. Photo of crystals of dark-brown dolomite on early dolom ite ................... .. ......group of pale-ye llow dolomite crysta ls . 21. Photo of crystals of late brown dolomite on quartz 22. Photo |  | | Book | | rare-earth species found as small crystals in drusy dolomite-lined cavities. The extremely rare yttrium silicate-carbonate...transparent, tabular microcrystals on matrix of white dolomite, and rarely as doubly terminated crystals to I...excellent loose ilmenite crystal clusters from a calcite vein-dike digging site which they called the Bentley...finest ilmenite specimens have come from an unusual calcite vein-dike occurrence with an exposure very near...ilmenite crystals are found embedded in massive calcite. or, rarely, still attached to the feldspar/mica |  | | Report (issue) | | Eramosa dolomite at Wiarton ā¢ā¢ā¢ā¢ā¢ā¢ā¢ā¢ā¢ā¢ā¢ā¢ā¢ā¢ā¢ā¢ā¢ā¢ā¢ Portable diamond saw used to cut Eramosa dolomite near Wiarton... 12 12 14 ā¢ā¢ā¢ā¢ā¢ā¢ā¢ 14 Mill blocks of Guelph dolomite at the Boat Lake quarry ā¢ā¢ā¢ā¢ 21 Hope Bay quarry...These formations also outcrop in the Ottawa - St, Lawrence basin. The Lockport dolomite forms the cap rock...escarpment and this dolomite together with the overlying Guelph dolomite outcrop in a wide band from...calcitic dolomite or dolomitic limestone overlain by 5 feet of brownish aphanitic Goat Island dolomite. Both |  | | Journal (article/letter/editorial) | | determination of soil e~rbonates a sample of dolomite, from the Ibis dolomite quarry, Mr. Flinders, Queensland,...with little direct information on the Flinders dolomite. David (5) refers to the area and describes the...about 400 feet.' I t seems, therefore, t h a t the dolomite found in the Ipswich area was deposited in fresh-water...QUEENSLAND 535 DESCRIPTION OF THE QUARRY. The Ibis dolomite quarry, Mt. Flinders (grid reference 857499, Flinders...upper portions of the hillocks are composed of dolomite, basalt occurring farther downhill. Basalt also |  | | Report (volume) | | contains large deposits of subeconomic limestone, dolomite, quartzite, sand and gravel, and stone resources...alluvium, uranium, geothermal energy, limestone, dolomite, and quartzite for industrial use and voluminous...sequence of Paleozoic sandstone, limestone, and dolomite is found at the higher elevations in the Providence...silver-lead, 1,300 tons; silica, 9,900 tons; and dolomite, approximately 12 million tons. Two properties...Voluminous subeconomic deposits of limestone, dolomite, sand and gravel, and stone within the study area |  | | Book (volume) | | Belgium-the Netherlands-Extreme Western Germany, Switzerland, and Italy. Volume V (or Volume III, Part III)...north-central Portugal in an area just south of the outcrop area of the Hercynian granitic complex but where...appears, plus two generations of dolomite and one of (late) calcite; other sulfides (most minor) also...quartz; (7) final fracturing and deposition of calcite. Cameron (1982) classified the UrgeiriĀ£a district...quartz; (5) fault breccias, kaolinization, and calcite deposition; (6) recent alteration to produce limonite |  | | Report (issue) | | showing: A) Outcrop area of limestone and dolomite in the Ohio River Valley; B) Outcrop/subcrop area...especially efficient; however, even small amounts of dolomite, clay minerals, and quartz diminished a stone's...Indiana contains abundant deposits of limestone and dolomite carbonate rocks, some of which afford good raw... He noted that well-crystallized Iceland spar calcite gave the lowest values and oolites and chalks gave...Magnesium in the crystal structure of the mineral dolomite (in which Mg ranges up to 48 percent MgO) is not |  | | Report (issue) | | showing: A) Outcrop area of limestone and dolomite in the Ohio River Valley; B) Outcrop/subcrop area...especially efficient; however, even small amounts of dolomite, clay minerals, and quartz diminished a stone's...Indiana contains abundant deposits of limestone and dolomite carbonate rocks, some of which afford good raw... He noted that well-crystallized Iceland spar calcite gave the lowest values and oolites and chalks gave...Magnesium in the crystal structure of the mineral dolomite (in which Mg ranges up to 48 percent MgO) is not |  | | Report (issue) | | mine C Photograph of solution-sculptured Vintage dolomite, Pequea mine C 71 73 74 74 24. Photograph ofquartz... 30. Photograph of quartz veins in brecciated dolomite. Fallen Tulip Poplar adit 77 31. Map of geology...Birmingham 38. Photograph ofsphalerite rimming calcite veins in Stonehenge limestone, Birmingham 39. Photograph...of algal stromatolites in Bellefonte Formation dolomite along Pa. Route 453 41. Map ofupperlevel ofthe...geochemical analyses near known prospects with poor outcrop. This technique, only briefly used, established |  | | Report (issue) | | Shale Clinton Group Fossil Hill Dolomite Albemarle Group Amabel Dolomite Bedrock Topography Pleistocene...Shale Queenston Shale Whirlpool Sandstone Amabel Dolomite Sand and Gravel - Ill - ā¢ v 1 6 6 7 8 8 9 9...drift. The caprock of the Escarpment is Amabel Dolomite, a reefy, irregularly to massive-bedded, light...fossiliferous, medium to coarsely crystalline dolomite. No rock is seen where the Escarpment is ascended...south of Caledon. There are limited outcrops of dolomite about three miles east of Caledon, near Sleswick |  | | Report (volume) | | individual lenses of the sandstone as viewed in outcrop are commonly as much as 200 feet (61 m) long, and...siltit~. The beds above the lenses are mostly dolomite and dolomitic siltit~; below the lenses, siltite...feet (3o-61 m) thick. The amount of limestone or dolomite decreases upward through the gradational zone... The Paleozoic rocks are mostly limestone and dolomite; they crop out in the northern and eastern parts...Pagoda, and Steamboat Limestones, and Devils Glen Dolomite). All landslide deposits in the Silver King area |
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