 | | Journal (article/letter/editorial) | | interest. In several of the muscovite and quartz schist outcrops which occur in Rock Creek Park (in D. C.) are...thick, in a dark grayish-black fine grained mica schist, have been received from Ernest H. Fisk, West Chesterfield...magnesium. These small crystal groups associated with aragonite are approx., 4 " x 5"— this is the first known..."Blue Celestite with pink dolomite crystals, aragonite sometimes lining the cavities also. "The orange...recently received from Mr. Graf. SPAIN—A nice loose 6-sided translucent aragonite xl has been received from |  | | Book (volume) | | areaAlmandite garnet; (g) harmony Church, area pegmatite outcropsBeryl; (h) Hickory Flat, 2 mi. NE on rd. to OrangeCorundum;...smoky). ATLANTA, Emory University, area pegmatite outcropsQuartz crystals (clear, BARNESVILLE, THOMASTON...quarriesBeryl, Feldspar, Hyalite opal; area granite outcrops, in jointsUranophane (thinly coated with Hyalite...COUNTY AREA: stream beds, loose soil of fields, schist exposures, rd. cuts and banks, etc.Staurolites;...areaStaurolite; ½ mi. SE of Union, from where a schist outcrop crosses Mill Cr.Staurolite; 1½ mi. NW |  | | Journal (article/letter/editorial) | | Superior de Investigaciones Científicas, 28040 Madrid, Spain State Key Lab for Geological Processes and Mineral...subduction beneath Wrangellia. The Liberty Creek HP-LT schist belt is the oldest and the innermost section of...and Chugach terranes. These include the Raspberry Schist on Kodiak Afognak, Shuyak, and several small islands...blueschist on the Kenai Peninsula, and the Liberty Creek schist in the Chugach Mountains (Carden and Decker, 1977;...blueschists from the Liberty Creek belt. schist, epidote–chlorite–albite schist, glaucophane/riebeckite–epidote–chlorite |  | | Book | | constituents. Quartzite consists of quartz only, mica schist of quartz and mica, and eclogite of garnet and...higher degree of symmetry, as is the case in aragonite or chrysoberyl (Pl. 12, (p. 64). In both cases...it may also occur as the orthorhombic mineral, aragonite. Strictly speaking these are two different mineral...usually below 5 mm. in diameter, of calcite, aragonite, lirnonite, pyrolusite, or other minerals. Tabular...minerals and are named accordingly: garnet-mica-schist, feldspar augen gneiss, sillimanite or cordierite |  | | Book (volume) | | town on Crystal Glen Creek⎯geodes (lines with Aragonite, Barite, Calcite, Chalcopyrite, pink Dolomite...minerals⎯Alstonite, Barite, Strontianite. ELIZABETHTOWN, area⎯Aragonite (fluorescent) ROSICLARE: c area mines, especially...fossils. There are no igneous or metamorphic rock outcrops in Indiana. The four great periods of glaciations...prismatic crystals of Marcasite, or 155 Indiana Aragonite crystals on Quartz crystals. (In some geodes,...R. country⎯Aragonite, Calcite, travertine. MARENGO, NE edge roof of Marengo Cave⎯Aragonite, Hydromagnesite |  | | Book (volume) | | town on Crystal Glen Creek⎯geodes (lines with Aragonite, Barite, Calcite, Chalcopyrite, pink Dolomite...minerals⎯Alstonite, Barite, Strontianite. ELIZABETHTOWN, area⎯Aragonite (fluorescent) ROSICLARE: c area mines, especially...fossils. There are no igneous or metamorphic rock outcrops in Indiana. The four great periods of glaciations...prismatic crystals of Marcasite, or 155 Indiana Aragonite crystals on Quartz crystals. (In some geodes,...R. country⎯Aragonite, Calcite, travertine. MARENGO, NE edge roof of Marengo Cave⎯Aragonite, Hydromagnesite |  | | Report (chapter) | | -bearing blueschists and jadeitic pyroxene + aragonite metaclastics, and (3) relict albite + garnet amphibolites...quartz + lawsonite ± aragonite; and (3) jadeitic pyroxene + quartz + lawsonite ± aragonite. Nearly all mafic...temperatures lower than those attending glaucophane schist metamorphism in Shikoku. Tectonic blocks of amphibolite...solutions among grossular, almandine, and pyrope. Aragonite, nearly stoichiometric CaCO , is abundant in blueschists...lawsonite, sodic pyroxene, glaucophane-crossite and aragonite; in contrast, Sanbagawa schists contain in abundance |  | | Book (volume) | | Murphrees Valley, as a narrow strip of scattered outcrops about 5 mi. long⎯Manganese minerals. CALHOUN...area⎯Barite. CHEROKEE COUNTY CENTRE, area Miocene outcrops⎯tektites (dark green and dark blue tektites have...the Louisville and Nashville RR), area pegmatite outcrops⎯Muscovite mica; d SE Region: (a) B.T. Childers... R. 13 E, on S bank of a creek in the Hillabee schist⎯Arsenic, Arsenopyrite, Chalcopyrite, Copper, Gold...worked for gold.); d as minerals in a graphitic schist⎯Kyanite, Mica and Vanadium. 2 A Location Guide |  | | Book (volume) | | Murphrees Valley, as a narrow strip of scattered outcrops about 5 mi. long⎯Manganese minerals. CALHOUN...area⎯Barite. CHEROKEE COUNTY CENTRE, area Miocene outcrops⎯tektites (dark green and dark blue tektites have...the Louisville and Nashville RR), area pegmatite outcrops⎯Muscovite mica; d SE Region: (a) B.T. Childers... R. 13 E, on S bank of a creek in the Hillabee schist⎯Arsenic, Arsenopyrite, Chalcopyrite, Copper, Gold...worked for gold.); d as minerals in a graphitic schist⎯Kyanite, Mica and Vanadium. 2 A Location Guide |  | | Book (volume) | | Murphrees Valley, as a narrow strip of scattered outcrops about 5 mi. longManganese minerals. CALHOUN...areaBarite. CHEROKEE COUNTY CENTRE, area Miocene outcropstektites (dark green and dark blue tektites have...the Louisville and Nashville RR), area pegmatite outcropsMuscovite mica; SE Region: (a) B.T. Childers... R. 13 E, on S bank of a creek in the Hillabee schistArsenic, Arsenopyrite, Chalcopyrite, Copper, Gold...worked for gold.); as minerals in a graphitic schistKyanite, Mica and Vanadium. 3 Alabama 4 A |  | | Book (volume) | | also quarried a rough, porous flintstone from outcrops, especially around McArthur, Vinton Co., for making...Bolivar to Zoar Station, as nodules in limestone outcrops⎯flint. VINTON COUNTY AREA: c Swan Twp., on Upper...and 7 mi. N of jct. of Hwy. 283 with Hwy. 64⎯Aragonite. HUGHES COUNTY WETUMKA, area of Sec. 30, T. 8...Tri-State Dist. Mineral production⎯Anglesite, Aragonite, Barite, Calamine, Calcite, Chalcopyrite, chert...McCloud on Rte. 62 to Crater Lake: (a) area basalt outcrops⎯Natrolite; (b) draws, washes, slopes, etc.⎯Quartz |  | | Book (volume) | | also quarried a rough, porous flintstone from outcrops, especially around McArthur, Vinton Co., for making...Bolivar to Zoar Station, as nodules in limestone outcrops⎯flint. VINTON COUNTY AREA: c Swan Twp., on Upper...and 7 mi. N of jct. of Hwy. 283 with Hwy. 64⎯Aragonite. HUGHES COUNTY WETUMKA, area of Sec. 30, T. 8...Tri-State Dist. Mineral production⎯Anglesite, Aragonite, Barite, Calamine, Calcite, Chalcopyrite, chert...McCloud on Rte. 62 to Crater Lake: (a) area basalt outcrops⎯Natrolite; (b) draws, washes, slopes, etc.⎯Quartz |  | | Book (volume) | | Sciences Universidad Complutense de Madrid Madrid, Spain José Tomás Oliveira LNEG Amadora, Portugal ISSN...recently published Geological Map of Portugal and Spain, 2015, scale 1:1,000,000. v vi Editors and Volume...Fernando Simancas teaches at the University of Granada (Spain). His main research interest is in the structural...Geociencias (UCM, CSIC), Universidad Complutense, Madrid, Spain C. Aguilar Centre for Lithospheric Research, Czech...Oviedo, Oviedo, Spain J. J. Álvaro Instituto de Geociencias IGEO (CSIC-UCM), Madrid, Spain Maider Armendáriz |  | | Journal (article/letter/editorial) | | (1939) as small grains within quartz-albite-jadeite schist from localized metamorphic zones of the Franciscan...the boulders found by Bolander were derived from outcrops along the slopes of Clear Creek. A preliminary...(2) Jadeite veins cross-cutting albite-crossite schist inclusions. In these veins jadeite coexists with...Ac+Di+He 25) coexists with low albite within the host schist. Albite schists are related to the pre-metamorphic...finer grained than typical California glaucophane schist facies rocks. Evidence for retrogressive metamorphism |  | | Book (volume) | | toward S end of the Pine Nut Mts., area pegmatite outcrops Thulite (pink Zoisite), Topaz; extreme SE corner...Platinum. ELKO COUNTY CARLIN: area pegmatite outcrops in surrounding hillsRose Quartz; nearby, at...Silver minerals; area gravels, surfaces and outcropsCitrine, Rose Quartz, wonderstone; NW 8 mi....until the 1950’sGold, Lead, Silver; area rock outcropsRose Quartz. This mining dist. was located with...Pegmatite outcropsAquamarine, Beryl, etc.; ENE 5 mi., Bassett Hill, area pegmatite outcrops, pits, etc |  | | Report (issue) | | Atacamite 1965] INTRODUCTION CARBONATES Aragonite Malachite Strontianite Bismutite Cerussite Azurite...mingtonite is found as a constituent of Precambrian schist at the Golden West mine about four miles southwest...Grunerite is found as a constituent of the amphibole schist exposed at the Beecher No. 3-Black Diamond pegmatite...DESCRIPTIONS 15 silicate ellipsoids in quartz-mica schist exposed 800 feet northeast of the Silver Top Lode...Hill in the SW ¼ sec. 29, T4N, RlE, and in the schist area south of the road at Bear Town in sec. 19 |  | | Journal (issue) | | Post-compactional calcitization of molluscan aragonite in a Jurassic limestone from titative study to...subdivided into four gi-oups: weakly durable marble and schist; moderately durable basalt, granodiorite, gneiss...Cretaceous conglomerates contain rock types that renect outcrops in the nearby Peninsular Ranges; clasts vary from...ultradurable rhyolite clasts that do not occur in bedrock outcrops in the Peninsular Ranges. Evidently the rhyolite...weakly durable division is comprised of micaceous schist collected from roof pendants in the Peninsular |  | | Book | | carbonate called aragonite, and its famous pseudohexagonal twins from the province in Spain that gave the...Twin Crystals. Calcite. 2 Aragonite, a pseudohex- agonal twin. Spain. 3 Sanidine feldspar. 4 Cassiterite...type of such as serpentines. 1 Chisel along the schist line 2 Then use rock, the chisel as a lever. 3...either by hammering or by the pressure of a Find the schist planes, where there vise Use a fine chisel to...manganite — CLASS 6 Carbonates CLASS — aragonite, azurite, calcite, dolomite, magnesite. sidente |  | | Report (issue) | | .............................................. Schist ................................................................... 103 Plate 13.-Dikes cutting schist near Keystone claim, Castle Dome Mts. 105 Plate................................... 182 Plate 26.-Schist south of Fortuna mine, Gila Mts .................Colorado near Ehrenberg. . In 1767. the King of Spain expelled the Jesuits from Arizona, and replaced...Colorado. From 1822, when Mexico separated from Spain, until the Gadsden Purchase, in 1854, the Spanish |  | | Book | | found in veins, dikes, stream gravels and benches, outcrops, and as "float" over the widespread lower surfaces...differing types of mineralizations, not only surface outcrops but deeply buried concentrations. He is trained...the large external surf ace features-mountains, outcrops, intrusions, extrusions, veins, dikes, and all...dark brown Thick flows, sheer cliffs, jagged outcrops Porphyritic (Cf. basalt) Feldspar phenocrysts;...Plu Anorthosite (Cf. gabbro) Dark Resistant outcrops Coarsely granular Feldspar dominant Blue feldspar |  | | Journal (issue) | | Eight specim ens at $10.00 ea. ARAGONITE. Minglanilla, Cuenca, Spain. Extrem ely clean, violet hexagonal...2x3 to 3x3. $40.00-360.00. PYRITE. Ambassaguas, Spain. Very fine cubes of com plex twinned brilliant pyrite...react, and crystals of C a C 0 3 grow: calcite, aragonite, and vaterite all may form depending on conditions...epidote, diopside, spinel). c — gneiss and mica schist with Alpine cleft minerals (quartz, adularia, anatase...asbestos-filled lithoclases of the serpentinite outcrops in the central part of Val M alenco. Serpentinites |  | | Book | | empire to the other, but especially in northwestern Spain and Portugal, their techniques soon exhausted all...rough country you are more likely to encounter outcrops or other rock exposures with indications of values...vary considerably in size and appearance. Some outcrops may be residual bodies, even small mountains of...mineralization may be found at other indicated outcrops, though not necessarily in minable quantities... among peridotite, others. slate, phyllite, schist (glau- sericite, chlorite, muscovite, biotite |  | | Book (edition) | | minerals of Pennsylvania. Within mixtures of gneiss, schist and quartzite are red almandine garnets like those...some of Pennsylvania’s fine Ordovician fossils at outcrops near Antes Creek, about 16 miles southwest of...quarry “A” 58 Broken shale along the roadway in outcrops near Antes Creek. A typical fossil found along... site 22 MONTOUR FOSSIL PIT There are many outcrops of Middle Devonian fossils in Pennsylvania. The...sound at Ringing Rocks Park. 5 Sb x Garnet schist outcrops in theWissahickon Valley. 87 site 31 WISSAHICKON |  | | Book (volume) | | found by prospecting creeks, talus slopes and outcrops. 1.3.2 Sedimentary rocks Sedimentary rocks are...The chiastolite variety is common in the black schist of the hills near Armstrong. Crystals as large...rare. SG = 3.2, hardness = 7.5. Named after Andalusia in Spain. ANHYDRITE See Gypsum. Gemstones & Minerals...perfect basal cleavage and clean lines. ARAGONITE Aragonite is a type of hard (3.5 — 4), dense (SG =... For instance, oyster pearls are made out of aragonite, as is the bare skeleton of a coral. Found as |  | | Book | | randomly in a stone, i.e. not according to direction. schist foliated metamorphic rock presenting layers of...mica and talc are found. Emeralds from the mica schist deposits of the Habachtal in Austria contain tremolite...have tiny corroded flakes of mica from the mica schist in which they were formed. Emeralds from the Urals...in Zambian emerald; it is found throughout the schist in which the emeralds occur. Aquamarine and other...however). Fine rose-pink colours are shown by aragonite crystals from Girgenti, Sicily, when under long-wave |
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