 | | Report (issue) | | ................... .. ............. 27 Walrus Island, James Bay . . . . . . . . . . . . . . . . . ....one occurrence, on Rivii!re du Poste, Maskinonge county, Quebec, has been reported in Canada. Phenacite...pegmatite, as at the reported occurrence at Walrus Island, James Bay. Gadolinite is a rare constituent of...outside the lithium- and quartzrich core zones. Cleavelandite, the platy variety of albite feldspar, is commonly...(Ref. 1). According to information received by Johnston (1915) topaz was also found. ' Fly Hill, near |  | | Journal (article/letter/editorial) | | SHALLOW, HIGH-TEMPERATURE GRANT V. COUNTY, C. KELLEY AND PEGMATITES, NEW MEXICO O. T. BRANSON...of Tertiary age occurin the Black Range, Grant County,New Mexico. The pegmatites are small bodieswithin...quartz and sanidine with accessoryquantities of cleavelandite, biotite, sphene,magnetite,and ilmenite. The...Harley, G. T., The geologyand ore depositsof Sierra County,N.M.: of Mines, StateBur. of Minesand Min. Res...It is usuallyassociated with smokyquartz and cleavelandite. In the middle trench on the Rattlesnake claim |  | | Journal (article/letter/editorial) | | Pegmatites of the Crystal Mountain District LARIMER COUNTY, COLORADO MARK I. JACOBSON 1350 E . Easter Avenue...Index map of the Crystal Mountain district, Larimer County, Colorado. Location The Crystal Mountain district... HYAT T 34 contain intermediate units of cleavelandite (either as a zone or a replacement unit), and...Kitchen, H . L . Phillips, E d E . Wild, J . M . Johnston, Dan A . Beattie, A r Ā 234 ROCKS AND MINERALS...localities it is found associated with beryl, cleavelandite, and other phosphates such as triplite. Tan |  | | Journal (article/letter/editorial) | | PEGMATITES OF EIGHT MILE PARK, FREMONT couNTY, coLoRADO E. Wm. Heinrich, Deparlment of Mineralogy, Uniaersi...sugary, white albite. 3. White to light red cleavelandite, which occurs associated with small vugs, in...Lode core. In the Meyers Quarry pegmatite, cleavelandite (Type 3) occurs only in association with lepidolite...quartz, and beryl. In the School Section deposit cleavelandite, commonly coated by bright green sericite, is...Minute crystals project into cavities. Here cleavelandite also replacesblack tourmaline. Muscovite Primary |  | Beurlen, Hartmut, Da Silva, Marcelo R. R., Thomas, Rainer, Soares, Dwight R., Olivier, Patrick (2008) NbāTaā(TiāSn) oxide mineral chemistry as tracer of rare-element granitic pegmatite fractionation in the Borborema Province, Northeastern Brazil. Mineralium Deposita, 43 (2) 207-228 doi:10.1007/s00126-007-0152-4 | Journal (article/letter/editorial) | | production of beautiful specimens (Pough 1945; Johnston 1945; Rolff 1946) of āexoticā tantalates, being...or heterogeneous, often mineralized pegmatites (Johnston 1945). Later, Miner Deposita (2008) 43:207ā228...complete sequence of four zones of the model by Johnston (1945) is only observed in the median part of...followed by a zone of rosette-like aggregates of cleavelandite (Ab) and columnar lepidolite (lp), growing inwards...spodumene and lepidolite mineralization. According to Johnston (1945), in a typical āheterogeneousā (zoned) and |  | | Journal (article/letter/editorial) | | in Brazilian reports and journals (De Almeida, Johnston, Scorza, and Leonardos, 1943), but little has...descriptions of the scheelite and fluorite deposits (Johnston, 1944; Johnstur and de Vasconcelos, 1944; Scorza...are often fresh and are rarely altered by the cleavelandite type of albitization. In general this type of...of other obvious latephase minerals such as cleavelandite and light-colored tourmalines suggest that mineralization...do Giz the microlite characteristic of the cleavelandite-rich Amelia, Virginia, and Dixon, New Mexico |  | | Book | | HILL Dungannon cancrinite, sodalite, apatite, cleavelandite, molybdenite, magnetite, tourmaline 18 DAVIS...beryl, peristerite, amazonite, smoky quartz, cleavelandite, euxenite, tourmaline, fluorite 4 6 Table... Warwickite Occurrence, 'York River Skarn) cleavelandite T r i c l i n i c ; feldspar group; a platey...57; Johnson (1981) p. 6; Peterson (1978) # 66; Johnston (1968) p.36; Leach (1964) p. 56; Meen & Gorman...Moyd, Hogarth (1982) p. 197; Peterson (1978) #56; Johnston (1968) p. 36; Vokes (1963) p. 145; Hewitt (1954) |  | | Catalog/List | | colorless areas, ensconced upon the remains of a Cleavelandite and Mica matrix. The crystals are quite transparent...bid online, visit HA.com/6150 ITALY ELBA The Island of Elba, famed retirement home of the Emperor Napoleon...the size and availability of material from this island locality. Coloration tends to be vary from light...QUARTZ San Piero in Campo, Campo nellāElba, Elba Island, Livorno Province, Tuscany, Italy San Piero has...nellāElba, Elba Island, Livorno Province, Tuscany, Italy As noted before, the Island of Elba got into |  | | Report (edition) | | American mineralogy (Mitchell, 1987). The "cleavelandite" variety of albite feldspar, which was named...much information on collecting sites in Oxford County. Numerous other collectors of Maine minerals also...suggestions and information on localities. Robert Johnston prepared the maps for the first two editions....Railroad : multiple track .. State. Bridge ...... county, parish, municipio .... Power transmission line...a platy white variety of al bite feldspar (cleavelandite) may contain good specimens of colored tounnaline |  | | Book | | of Saratoga in Now York, by Doct. John H. Steel. county A (Steel.') 1822." (N. G.) " New Farmer and...and Rubellite, in granite with W. W. 1.190.; Cleavelandite. (J. Emerald, in six sided prisms, frequently...of Iron, at Rumford Falls, (J. P.) PARKER'S ISLAND. (In the Kennebeck.) Schorl, sometimes translucent...crystals are very abundant in granite on a small island a few feet above the bridge, imperfect. Prehnite...a vein of granite in Silicious Feldspar, or Cleavelandite. mica slate, with Common Feldspar, abundant |  | | Journal (article/letter/editorial) | | S. Dak., and the Hyatt Beryl pegmatite,Larimer County, Colo.; and to JamesJ. Page,who furnishedmostof...1. Cross section,Hyatt Beryl pegrnatite,Larimer County, Colo. Fracture-filling units are tabular or veinlike...(zone 4). The Hyatt Beryl pegmatite, * Larimer County, Colo. (Fig. 1) is an exo Cameron, E. N., Jahns....l Fro. 2. Plan of the Pidlite pegmatite,Mora County, N. Mex. the inner part of the perthite-quartz-plagioclase...microliteoccursin the core. At the Pidlite pegmatite,Mora County, N. Mex. (Fig. 2) microlitealso is presentin the |  | | Report (issue) | | Zone 4: Quartz-cleavelandite-microcline-amblygonite pegmatite and quartz-cleavelandite* pegmatite-. __...Quartz-microcline pegmatite. ____ _________ Zone 7: Cleavelandite-microcline-lithia mica pegmatite. _________...__________________ Cleavelandite-microcline-lithia mica replacement Cleavelandite-quartz-lithia mica...__________-_____--___-___---_--------------Cleavelandite-microcline-lithia mica replacement unit where...where it replaces zone 5.-----------------------Cleavelandite-microcline-lithia mica replacement unit where |  | | Journal (article/letter/editorial) | | described in some detail by several authors: W. D. Johnston, Jr., P. M. A. Rolff, S. C. de Almeida, L. J....Guimaraes,H. C. A. De Souza, F. H. Pough and others. Johnston (1945), gives an extensive bibliography on these...the accompanying key map (Fig. 1). According to Johnston, (1945) p. 1040 these pegmatites have been formed...have been able to accomplish my task; Dr. W. D. Johnston, Jr. for invaluable aid in infor- PHOSPHATEMINERALS...microcline, with lessermuscovite and albite (cleavelandite). The minor minerals include beryl, tantalite |  | | Journal (article/letter/editorial) | | symbol to promote outstanding aspects of their county or state. Approval is usually not difficult because...explored for copper in the Cerbat Mountains, Mohave County. They acquired mineral rights to two sections of...approved mining operations the copper-bearing (Johnston 1964). Duphosphate mineral val started copper...Cochise County, and earned the nicksurrounding Mineral name of āTurquoise Park, Mohave County, Kingā (Arizona...from the King(Blake 1858; Johnston Turquoise company man district, Mohave County, Arizona. John Betts photo |  | | Journal (article/letter/editorial) | | Drurfilommon mine. Occurrencesnear Haystack Stock, Park County,were mentionedby Emmons(5). Pegmatitesassociated...none are zoned. In the JardineDistrict in Park County,Sea. ger (40) has describedsomewhat lessmetamorphosed...by Spaenhauer(41) for kyanite-quartzveinson the island of Unst, Shetland Islands, and at Silvretta, Switzerland...Highland, in the Tobaccorange of mountainsā¢Madison County; in BeaverheadCounty, Montana .... " s Private...amethyst pegmatite near19-milepicnicgrounds, Jefferson County, Montana.A-ā¢ quartzcore,B: wallzoneof medium-grained |  | | Report (issue) | | quarter of a century later , in 1915 , R . A . A. Johnston attempted to bring together in Geological Survey...llage ofActinolite in Elzevir Township, Hastings County . 31 F /1 5 Chemi cal analysis of a light greenish...actino l ite from Westmeath Township , Renfrew County: Si0 2 56 . 70 , Al 0 3 1. 62 , Fe o 3 . 06 , FeO...Township of St . Francis (Beauceville ) , Beauce County : Si0 52 . 30 , Al 2 o 1 . 30 , FeO 6 . 75, 2 3...syenites near Montreal in H oche laga County, and Beloeil in Rouville County (G. C . Hoffmann, 1 888 - 9 : Geol |  | | Report (volume) | | Pegmatites of the Crystal Mountain District, Larimer County, Colorado GEOLOGICAL SURVEY BULLETIN 1011 Pegmatites... Pegmatites of the Crystal Mountain District, Larimer County, Colorado By WILLIAM R. THURSTON GEOLOGICAL SURVEY... PEGMATITES OF THE CRYSTAL MOUNTAIN DISTRICT, LARIMER COUNTY, COLORADO "By WILLIAM R. THURSTON ABSTRACT The...study of the Crystal Mountain district, Larmier County, Colo., is but one phase of this post-World War...miles west of Loveland and Fort Collins, Larimer County, Colo. The northern part of the district, near |  | | Journal (issue) | | and includes numerous foreign specimens from the USA, India, Morocco and other locations. Principally...highly dangerous conditions under which Chris Johnston and his team were working. But before that let's...workings are being developed. We met up with Chris Johnston who was working orebody A with a small team of... ,We made a brief stop at Omaruru where Chris Johnston has recently Ā·opened a new gift shop. The number...all embedded in a very pale blue matrix of cleavelandite. Samples of gemmy green and blue tourmaline |  | | Book (volume) | | Duane L. Leavitt The Bennett Pegmatite, Oxford County, Maine . ........................................permanent photographic exhibits in the northeastern USA. The Shaubs have been active in ornithological research...tourmalinebearing Himalaya pegmatite at Mesa Grande, San Diego County, California. Most recently, Gene was gratified...Maine's treasure chest; Gems and minerals of Oxford County, second edition: Quicksilver Publications, West...New York Newport Historical Society, Newport, Rhode Island Northeastern University, Department of Geological |  | | Journal (article/letter/editorial) | | PEGMATITES OF EIGHT MILE PARK, FREMONT COUNTY, COLORADOXT E. Wrrr. HerNnrcu, Department of Mineralogy...three to twelve miles west of Canon City, Fremont County, Colorado, includes about 30 square miles that...a later, more intense, but more restricted cleavelandite-lepidolite type. The total number of minerals...pegmatites and geology of Eight Mile Park, Fremont County, Colorado. ft is an attempt to interrelate the...The earliest record of mica deposits in Fremont County, Colorado, was made by Albert Williams (1883),1but |  | | Journal (issue) | | S.: 80 Johnson, J . E.: 65 Johnston, A.: 97 Johnston, D.A.: 39 Johnston, S.: 97 Lancaster, K.: 28 Lawrence...Daylesford: 68 Dookie: 1 6, 2 1 Flinders: 2 Flinders Island: 7 6 Lake Boga: 44, 70 Maldon: 8 1 M t . Piper:.... Wills: 1 6 Narre Warren: 97 Omeo: 39 Phillip Island: 75 Tarnagulla: 1 6 Turritable Falls: 7 1 Wesiern...Chlorotile 5 Chromite 1 3 Chrysocolla 5, 69, 77 Cleavelandite 76 Clinoclase 5, 69 Clinoptilolite 75 Clinozoisite |  | | Journal (issue) | | bright octahedrons and pyritohedrons perched on cleavelandite in small vugs. Sphalerite crystals are rare...octahedrons, bright steel-gray, perched on cleavelandite in the vugs. It is highly suitable for micromounting...upon roscherite or light blue tourmaline in cleavelandite vugs, childrenite gives excellent micromounts...transparent to translucent, multicentimetric cleavelandite crystals associated with transparent, sometimes...translucent, elongated crystals are scattered on cleavelandite druses. Beryl. Opaque, in large crystals for |  | | Report (issue) | | LITHIUM-BEARING PEGMATITES OF THE PALA DISTRICT, SAN DIEGO COUNTY, CALIFORNIA By RICHARD H. JAHNS and LAUREN A...LITHIUM-BEARING PEGMATITES OF THE PALA DISTRICT, SAN DIEGO COUNTY, CALIFORNIA! By Richard H. Jahns* and Lauren...Pala pegmatite district, in northwestern San Diego County, California, has been a widely known source of...San Geologist, vol. 35, pp. 356-369, 1905. Diego County : Merrill, F. J. H., 706-708, 1914. 6 Schaller...lithia pegmatites of Pala and Mesa Grande, San Diego County, California: California Inst. Tech., unpubl. Ph |  | | Report (issue) | | Ouster County, South Dakota. Detailed map, plans, and sections, Ann mica mine, Ouster County, South Dakota...map and sections Beecher Lode pegmatite, Ouster County, South Dakota. Geologic map and sections, Beecher...Ouster County, South Dakota. Geologic map of the Bob Ingersoll mine, Keystone, Pennington County, South...workings, Bob Ingersoll mine, Keystone, Pennington County, South Dakota. Geologic map and sections, Buster...Buster Dike and Roosevelt mica mines, Ouster County, South Dakota. Geologic maps and sections of the underground |  | | Report (issue) | | Geologic map and sections, Fourmile quadrangle, Custer County, South Dakota. 22. Geologic map and sections of...ABSTRACT k., is on The Fourrnile quadrangle, Ouster County, S. Dak., the southwest side of the Black Hills...attitudes of pegmatites, Fourmile quadrangle, Custer County, S. Dsk. GEOLOGY OF FOURMILE QUADRANGLE, SOUTH...(usually platy variety, cleavelandite. Quartz and perthite are cleavelandite), amblygonite, spodumene...J. Norton (written communication, 1956). s Cleavelandite. may include tourmaline, apatite, beryl, l |
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