 | | Book | | known in 1887 as the Yale Farm, about two miles northeast of the town of Litchfield, where a mass of white...near the Portuguese coast about 155 km north-northeast of Lisbon, is now closed and flooded, but produced...Maderanertal drainage flows west-southwest from a mountain massif to join the Reuss River at the town of Amsteg,...RHODESIA] Mwinilunga. See this entry for Rutile. Khibiny massif, Kola Peninsula. Excellent ilmenite crystals...crystals are found at several sites in the Khibiny massif. At Marchenko Peak, lustrous, flattened ilmenite |  | | Book | | to the northwest, the names K\anefjeld and Taseq Slope (Fig. 7) are equally familiar, but have not been...middle background, Kvanefjeld (left) and the Taseq Slope (right) (H. S0rensen photo). 8 '.,l l';Llli\L...pipe may be a small apophysis off a larger granite massif. An intrusion breccia, up to 75 m wide, consisting...a southwest-northeast direction directly underneath the siderite-cryolite mass. A fluorite-cryolite unit...west of and beneath the body of pure cryolite. Fluorite and topaz, which amount to only a few percent |  | | Journal (article/letter/editorial) | | FLUORITE-RARE EARTH MINERAL PEGMATITES OF CHAFFEE AND FREMONT COUNTIES, COLORADO* E. Wu. HuNnrcn, Universityof...Colorado, is characterized by the association of fluorite with the rare earth minerals, euxenite, monazite...minerals are the result of hydrothermal modification. Fluorite and rare earth minerals are associated in 19 oi...pegmatite districts in North America from which fluorite has been teported This geochemical relationship...of this paper is to describe a small group of fluorite and rare earth mineral pegmatites in Chaffee and |  | | Report (issue) | | in number and simple in chemical composition. Fluorite, calcite, barite, and quartz are the chief primary...occur. Specularite was observed at one deposit. Fluorite is found as a gangue mineral in a wide variety...minerals as are associated with deposits in which fluorite is the principal economic mineral are here considered...text book on mineralogy.¹ FLUORITE Physical and Chemical Properties.—Fluorite, also called fluorspar or...in fig. la. Each face of a cleavage fragment of fluorite usually forms an equilateral triangle. Crystals |  | | Journal (article/letter/editorial) | | THE FLUORITE DEPOSITS OF WESTMORELAND, N. H. •y MRS. JULIAN WETHERBEE 22 Wheelock Street, Keene, N. H...H. Fluorite is a mineral of considerable commercial importance because of its wide use in the chemical...making steel. The only deposits that have produced fluorite in New Hampshire are located in the towns of Westmoreland...veins bearing fluorite have been discovered in the gneiss and seven have produced fluorite at one time...crystals of clear quartz. Other minerals present are fluorite, barite, calcite, kaolin, sericite, and streaks |  | | Report (issue) | | Simmons and Alexander Falster Page 49 Gem Beryl from Russia and Ukraine Peter Lyckberg Friedrich August Breithaupt's...United States; Canada (page 40); pegmatites in Russia and the Ukraine (page 49); as well as numerous...with granitic rocks, especially in the central massif of Switzerland (Rotondo granite and Fibbia granite...Crippa of Giubiasco. In September 1992, on the northeast flank of the Fibbia, in the uppermost Tremola...root, and the beryls have been distributed down-slope from the weathered pocket by tree roots and frost |  | | Journal (article/letter/editorial) | | bandsof silicatemineralsand finely crystalline fluorite. Concentricbandingaboutfluorite-richpod-likemasses...Hedenbergite and hematiteoccurin localabundance,and fluorite,apatite,diopside,iron-richamphibole,quartz, feldspar... Feldspar ................................... Fluorite ................................... --Tr Tr ...Discovery Gulch. 3--Composite chip sample, northeast slope of North Peak. 4--Systematic five-foot channelsample...later periodof mineralization is representedby fluorite-richshearandbrecciazonesin whichberyllium, manganese |  | | Book | | the Rocky Mountain Front to possibly the North Slope of Alaska. In New Mexico and Colorado, this rift...Prospect La Garita San Juan Mountains Mines Near Sawpit Mt. Sneffels-Telluride District Red Mountain District...G.S., P.P. 726-c, 1972. fluorspar, the impure fluorite of commerce, occurs consistently along continental...be of secondary or remelted crustal material. Fluorite occurs with many of the African carbonatites,...thorium and the rare-earth minerals. Other than fluorite—barium, titanium, strontium, zirconium, iron, |  | | Report (volume) | | .......................... Goethite, dickite, fluorite, and barite .............................. White...minerals are bromargyrite, goethite, dickite, fluorite, barite, and minor amounts of chalcophanite, todorokite...Jniried rhyolite dome located a short distance northeast of Ben West Hill. This concept is important to...but the larger ones trend either northwest or northeast and are generally vertical. The veins range in...cryptomelane, brown and red goethite, brown and colorless fluorite, cloudy white barite, yellow dickite, and a very |  | | Journal (issue) | | street of Ouray en route to Telluride by way of the Mt. Sneffels range. Cloudless weather, not unusual after...and boxes of dynamite destined for a small mine on Mt. Potosi; these, with bulky packages that hid their...galena, chalcopyrite, chlorite, calcite, epidote, fluorite, milky quartz, pale pink rhodochrosite and manganocalcite...of Imogene basin. This pink spar he took to be fluorite, and because it re minded him of Cripple Creek...the hills where Ouray lay concealed; in the far northeast the dark mass of the Uncompahgre plateau loomed |  | Soulliere, S.J., Toth, M.I., Bankey, V.L., Smith, S.M., Pitkin, J.A., Cookro, T.M., Robinson, Roberts L.N., Molnia, C.L., Wandrey, C.J., Law, B.E., Spencer, C.W., Barker, C.E., Dersch, J.S. (1996) Resource potential and geology of the Routt National Forest and the Middle Park Ranger District of the Arapaho National Forest, Colorado. Open-File Report Vol. 1996 (96-82) US Geological Survey doi:10.3133/ofr9682 | Report (issue) | | Molybdenum Area ................................. Mt. Cumulus ..........................................production. The Northgate district, an important fluorite producer, is in the northeastern part of the Forest...-do-do- area was the second largest producer of fluorite in Colorado and accounted for approximately 32...Northgate, the Crystal district also produced fluorite until the 1970's. The Henderson Mine, located...lead, zinc, silver, copper, and gold. A large northeast-trending zone in the northern part of the Park |  | | Journal (article/letter/editorial) | | andradite, epidote, biotite, sericite, quartz, fluorite, and/or calcite (Seeger and Kisvarsanyi, 1992;...unnamed vein on the northeast slope and the “Janis vein” on the southwestern slope (Litton, 1855). The...m) down the southwestern slope (Crane, 1912). The vein on the northeast slope strikes N50°E and dips to...Knob, the Cedar Hill mine was opened on the west slope of the hill in 1872; the period of production is...mine produced approximately 1.6 million tons (1.45 Mt) of hematite ore from the upper orebody (Ryan, 1981) |  | | Journal (issue) | | aesthetic species have also been recovered, including fluorite, quartz, goethite pseudomorphs after siderite...the Erongo Mountains, together with aesthetic fluorite, quartz, goethite pseudomorphs after siderite...River from the northeast. Krantzberg Mountain stands out as the brown peak to the northeast. The thin, black...made. During mid-2005, beautiful emerald-green fluorite on white orthoclase was collected, adding to the...aesthetic specimens. In January 2006, stalactitic fluorite, vermiform schorl and stellate groups of opaque |  | | Report (issue) | | ............................................. Fluorite Ridge granodiorite porphyry ................................................................ Northeast-striking fault belts ..................................................................... 94 Fluorite Ridge mining district ..........................Recommendations for future prospecting in the Fluorite Ridge mining district ....................................................................... Fluorite Ridge area .................................. |  | | Book (edition) | | mineral identification. The writer wishes to thank Mt-. Dana c. Douglass (Douglass Mining Co., Bethel)...:partings intersecting on cleavage at 60° . Dip - slope downward from a horizontal surface ; perpendicular..." PA I NT M 1 N€ \ RUMFOR \ '' � !> RWD �,u. Mt 11 • ASI> MILL A " \ WMITtfl,IA\.L P"OS PECf ...M I LTO N / � �/\ \ \ \ < 'A \, / _.. _y' MT. �"ICO III uso· \ PERU • • · · ·s �•· • •r•... EL '-.-- { \' �( \\ \ \ \ Not,TN l\liN MT,c. \ ' \ .+t ff , A 6 �/ ,�� -J.\.1Y ., |  | | Report (volume) | | Peninsula, Alaska, approximately 58 miles east-northeast of Wales, at the extremity of the peninsula, and...The airfield at Ear Mountain, more than a mile northeast of the mountain front, Is about 1,000 feet long;...the steeper mountain slopes meet the more gentle slope of the surrounding low plateau at approximately...that flows from the conspiCuous gulch on the northeast side of East Peak. South Fork, another sn1all...MOUNTAIN, ALASKA 67 of tourmahne, or rarely fluorite, were found 1n granite d1kes cutting the hmestone |  | | Report (volume) | | Victorio Mountains ___________________________ Fluorite Ridge ____________..________________ Pony Hil...Mountains............. 84 10. Sections across Fluorite Ridge................................... 86 11...local resources in underground water and some fluorite deposits of considerable productiveness, Luna...EAST OF FLORIDA STATION, N. MEX. View looking northeast. Ridge of massive bedded agglomerate on left...Mountains form a high ridge extending through the northeast corner of the county and culminating in the well-known |  | | Report (Issue volume) | | exposed by stripping. The property is 10 miles northeast of Dryden and is reached by a side road which...on the west shore of Buttermilk Lake, 3 miles northeast of Banning. A similar exposure was seen 1400 feet...veins carry varying amounts of calcite, barite, fluorite (green and purple), quartz (colourless, smoky...vein which crosses Silver Falls Creek 800 feet northeast of the falls, in mining location Rll 0 (Silver...quarry-Amethyst is associated with calcite, barite, fluorite (purple and green ) , sphalerite and marcasite |  | | Book (volume) | | Mordenite, Natrolite and Mesolite, Thomsonite, Fluorite, Smithsonite, Malachite and Azurite, Shattuckite...form . An emerald crystal . Turner Emerald Mine . Mt. Antero aquamarine matrix specimen . Mesa Grande...Large single tourmaline crystal from Mt. Mica Largest crystal from Mt. Mica Eh Towne Quarry 180 Tourmaline...cabochons Twinned fluorite crystals Cleavages of fluorite A New Hampshire fluorite specimen A smithsonite...order of increasing hardness) Talc Gypsum Calcite Fluorite Apatite Feldspar Quartz BW AM OnTopaz N g Corundum |  | | Journal (article/letter/editorial) | | Sulfide/barite/fluorite mineral deposits, Guadalupe Mountains, New Mexico and west Texas Carol A. Hill...maintain order of facing pages. Sulfide/barite/fluorite Mountains, mineral deposits, Guadalupe NewMexicoandwestTexas...Albuquerque, NM87123 Geologist, Abstract Sulfide/barite/fluorite mineral deposits in the Guada.lupeMountains are...sphalerite, calcite, dolomite, and sometimes barite, fluorite, or galena);(2) most have sulfur-isotope values...t h e Guadalupe Mountains. The sulfide/barite/fluorite deposits around the Delaware Basin are considered |  | | Report (volume) | | collected__________ ________ II. Frost cracks in slope wash east of Lost River _ III. Surface features...The trend of the range is east-northeast. On the north the mountains slope gradually seaward and are represented...above their mouths, flow across a tundra plain. Northeast and east of California Elver the rugged, sharp-crested...feet. Ear Mountain is an isolated butte in the northeast corner of the area, separated from the outlying...BULLETIN '733 PLATE II A. B. FROST CRACKS IN SLOPE WASH EAST OF LOST RIVER. A, In foreground polygonal |  | | Report (issue) | | region showing the Mount Diablo area on the northeast and southwest flanks of Mount sections Diablo...accessible, being only about 40 miles by road east-northeast from San Numerous is explorers, and of Contra...1863 and 1864 cinnabar was discovered on the northeast slope of North Peak, near the future site of the...which occupies an area of about The mass of northeast flank of Division of Mines, during February of...row is divided into two parts by a nar- northeast-trending band of serpentine. South of this chert |  | | Report (issue) | | Jenks__ Sulfides. _ ___-________-_______--___-__ Fluorite... ___ ___ __ ______ _ _ . Qu_jrtz__ __ ____ ___..._________________________________________ 18 5. Section northeast of gully B, showing complex relations of uncompahgrite...Mesa, which borders the Iron Hill basin on the northeast, and remnants of the Potosi volcanic rocks, mostly...Deldorado Gulch, on the banks of Cebolla Creek northeast of the Hot Springs, and elsewhere. These rocks...hydrous alteration products of melilite. A little fluorite is present in some of the veins, as are also very |  | | Report (volume) | | southwest boundary of the study area. An area northeast of Cemetery Ridge and extending along the south...gold, copper, lead, and zinc. An area along the northeast side of the Eagletail Mountains has moderate potential...fault-controlled epithermal vein deposits. An area northeast of Cemetery Ridge and extending along the south...scarp that forms the northeast side of the Eagletail Mountains. Access to the northeast side of the study...Area having moderate mineral resource potential \mt EH Area having low mineral resource potential (L) |  | | Book | | Dome, Tennessee. Because t h e a l t i t u d e o f Mt. M i t c h e l l is o n l y 6,684 feet, people seed...'»P«TA?HrAN'" < SMOKEMON HEINTOOGA OVERLOOK 8A^M*MT. TO WAYNESVtLLE ft ASHEVILLE CHEROKEE QfP CREE...CATALOOCHE^iv* z' TREMONT z\ \ { MT. S GUYOT ✓ -N* s MT. LE CONTE ELKMONT ;ades cove at / ... \ / z' —" GATLINBURi \ v: MT. STERLING .CENTER— __ x' WEARS COVEJ V §1 3§ H, Wf' K {PITMAN...called Long Hill runs through this area from northeast to southwest, while another part of the Third |
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