 | | Report (volume) | | PEGMATITES AND ASSOCIATED ROCKS OF MAINE INCLUDING FELDSPAR, QUARTZ, MICA, AND GEM DEPOSITS BY EDSON................................... Origin of the Maine pegmatites........................................Larsen............................. Application to Maine pegmatites............................... Eutectics.............................. 1.... Androscoggin County................................................................................................ Maine Feldspar Company quarry and mill............... |  | | Book (volume) | | Mineralogy by Vandall T. King and Eugene E. Foord Maine Geological Survey DEPARTMENT OF CONSERVATION Walter...Resources Information, Maine Geological Survey Walter A. Anderson, State Geologist Maine Geological Survey...DEPARTMENT OF CONSERVATION 1994 Copyright ©1994 by the Maine Geological Survey, Department of Conservation. All...photograph: Fluorapatite, Pulsifer quarry, Auburn, Maine (2.2 cm specimen), Harvard Mineralogical Museum...Wendell E. Wilson, ©1985. The laws and policies of Maine and the United States prohibit discrimination in |  | | Book (volume) | | 0 n101ercai o of Maine j f·~ ....__ :,,. . - .._"' ..;. .. ~ L-- -~ \. • .J_..::.; I Volume...History, Gems, and Geology edited by Vandall T. King Maine Geological Survey DEPARTMENT OF CONSERVATION Robert...Robert G. Marvinney, State Geologist of Maine Volume 2: Mining History, Gems, and Geology Edited by...Resources Information, Maine Geologi,cal Survey Robert G Marvinney, State Geologist Maine Geological Survey...DEPARTMENT OF CONSERVATION 2000 Copyright ©2000 by the Maine Geological Survey, Department of Conservation. All |  | | Journal (article/letter/editorial) | | the Sebago granite–pegmatite system, southern Maine, USA Michael A. Wise*, Cathleen D. Brown Department...two-mica granite situated in the Oxford pegmatite field, southwestern Maine. Surrounding the pluton is an...chemistry, petrology, geochemistry, Sebago, southern Maine Received: 1 October 2009; accepted: 30 March 2010;...Introduction The granitic pegmatites of southern Maine represent one of several major pegmatite regions...Unfortunately, very little geochemical data exist for the Maine pegmatites despite their popularity among mineral |  | | Journal (article/letter/editorial) | | MA Y-JUNE, ORIGIN 1910 OF THE PEGMATITES OF MAINE' EDSON S. BASTIN U.S. Geological Survey During...study in some detail the pegmatite deposits of Maine, and at intervals during succeeding years have been...this work. The pegmatite deposits in the state of Maine all belong to the type commonly known as granite... the dominant ORIGIN OF THE PEGMATITES OF MAINE 299 pegmatite minerals are those characteristic...characteristic also of the normal granites; namely, quartz, orthoclase and microcline, albite or oligoclase, muscovite |  | | Journal (issue) | | Alves Mineralogy of the Bennett pegmatite, Oxford County, Maine ..........................................located 12 km north, on the other side of the mountain, from the famous Muzo mine (see the article on.../# 6 C alifornia Issue B enitoite, G old, L .A . County M useum , H im alaya m ine $7 Circulation Manager...search of mineral specimens, primarily tourmalinated quartz crystals and “ cleavelandite” albite groups. By...length and di] Figure 3. A large tourmalinated quartz crys tal on the dumps, 1981. Cassedanne photo |  | | Journal (issue) | | mineral specimens of the trip, quartz geodes Lined with small quartz crystals with some of the fossils...themselves with hollow interiors lined with small quartz crystals. Good calcite crystals were also found...Iville, Kansas, to Den- west side of North Table Mountain sp ver, Colorado, a distance of 410 miles, a road...little of geological interest other the top of the mountain. When we w than the scenery. Stayed in a tourist...of Loo the interesting mtneral-ltned cav1t1es. Mountain at Golden to see Buffalo Bilrs However we obtained |  | | Report (issue) | | _______________________ _ Geology of the pegmatite districts of Maine __ :. . _____ _ Metamorphic rocks _________________________...__________________ _ Maine ________________________________________ _ Androscoggin County ______________________...Cumberland County _______________________ _ LaChance mines _______________________ _ Oxford County ______...Black Mountain area ___________________ _ Black Mountain ___________________ _ South Twin Mountain ______________...______________ _ Whitecap Mountain ________________ _ Howe and Farmers Hills----~-------Black Mountain quarries __ |  | | Journal (issue) | | chest worth its weight in gold, of Balliol College, Oxford. Thompson he settled in Alder Gulch, Montana "What...blooms were made from carnelian, chalcedony, rose quartz and amethyst with accents of lapis lazuli, amber...childhood efforts, was an attractive but ordinary quartz geode from Amethyst Ridge, Yellowstone National...National Park (AMNH 37445).16 The myriad varieties of quartz are strongly represented in the collec tion. There...petrified woods, jaspers, smoky quartz, rock crystal, and amethyst. Thompson's finest quartz specimen undoubtedly |  | | Book | | commercial ores and secondary minerals by state, county, township, and geologic range. For easy identification...cities, and many of today’s prosperous western county seats began as mining-boom camps. trating sand...Whether you such as those listed alphabetically by county, township, and range in Part II of this book. Where...in his work, that he may know first of all what mountain or hill, what valley or plain, can be prospected...examples of all rock types. Most so-called rocks are mountain-building materials; they are massive, colored |  | | Book (volume) | | Jadeite (Chloromelanite) Quartz . A. Crystallised Quartz . Rock-crystal .... Smoky-quartz .... Amethyst ........ Citrine ..... Rose-quartz .... Prase .... Sapphire-quartz Quartz with enclosures . . . . 420 420...Cat’s-eye . . . . Tiger-eye. . . 491 493 B. Compact Quartz Hornstone .... Wood-stone .... Chrysoprase ......: Elba . and . green . .... enclosures Smoky-quartz, crystals ,. .35, c. „ 4a, 5. „ „ cut...356, 357 Piedmont „ 11. 418 472, 474, 476 QUARTZ (AND GARNET). cut. [See also PI. XVIII., Fig |  | | Book (edition) | | acid. Monoclinate, 33. Monometric, 32. salt Mountain limestone. containing A limestone of the lower...pure ore. Ore, 202. ; Oxyd, 73. XI Containing quartz aa Quartzose. a principal ingredient. Radiated...Consisting Siliceous. of, or con- taining silex, or quartz. Silky, 56. A Silurian. term applied to the...(feldspar) will be easily distinguished from others (quartz) that have a glassy appearance. It is a popular...no such nourishing fluid. is as perfect as the mountain mass. only by additions to the surface from some |  | | Book (edition) | | ] a lye, by allowing water earthy or alkaline Mountain limestone. limestone stand upon to material, and...pure ore. Ore, 202. ; Oxyd, 73. XI Containing quartz Quartzose. a principal ingredient. Radiated, 53...Silicate, 74. Consisting of, taining silex, or quartz. Silky, 56. Siliceous. A Silurian. fossiliferous...(feldspar) will be easily distinguished from others (quartz) that have a glassy appearance. It is a popular...no such nourishing fluid. is as perfect as the mountain mass. only by additions to the surface from some |  | | Book (edition) | | SILICA III. l. AND SILICATES. SILICA. 253 Quartz Opal 259 2. SILICATES. General Remarks.- 262...sometimes called a quartzoid, because it occurs in quartz. (3) Twelve-sided double pyramids. Two planes of...rhombohedrons. They are combined in Figs. 20, 21, forms of quartz. Ehombohedrons vary greatly in the length of the...hemihedrism and common in crystals of tetarto- quartz, and when existing, the crystals are said to... CRYSTALLOGRAPHY. 56 Some examples are given under quartz. Some systems. rhombohedral species, as dolomite |  | | Book (edition) | | acid. Monoclinate, 33. Monometric, 32. salt Mountain limestone. containing A limestone of the lower...Oxydating flame, 68. XI Quartzose. Containing quartz as a principal ingredient. Radiated, 53. Rake-vein...Siliceous. Consisting of, or con- taining silex, or quartz. Silky, 56. A term applied to the fossiliferous...(feldspar) will be easily distinguished from others (quartz) that have a glassy appearance. It is a popular...no such nourishing fluid. is as perfect as the mountain mass. only by additions to the surface from The |  | | Book (edition) | | molybdie acid. Monoclinate, 33. Monometric, 32. Mountain limestone. containing A limestone of the lower...55. To gradually pass Quartzose. Containing quartz as a principal ingredient. Radiated, 53. Rake-vein...Siliceous. Consisting of, or con- taining silex, or quartz. Silky, 56. A Silurian. term applied fossiliferous...distinguished from others ticles {feldspar) (quartz) that have a glassy appearance. It is a popular...no such nourishing fluid. is as perfect as the mountain mass. only by additions to the surface from The |  | | Book (edition) | | point to a yard or more in diameA single crystal of quartz, now at Milan, is three and a quarter feet long...of quartz near the Tiefen Glacier, in Switzerland, discovered in has afforded 1867, smoky quartz crystals...the term crystal was applied only to crystals of quartz (f. 1), which the ancient philosophers believed...in the annexed figure (f. 155) of a crystal of quartz, in which there are only three planes, 2-2 at each...a top view of a crystal), and the prism *-2 in quartz. Both these forms properly belong to the Rhomboliedral |  | | Book (edition) | | SlX.K’A Ill, 1 . SiLDLVTLS. SILICA. TAGB Quartz 2 dd Opal 23 b * 2 Ceil oral . SILICATES...a quartzoid^ because it occurs Two planes of in quartz. (3) Twelve-sided double pyramids. such a i>yramid...rhombohedrons. They are combined in figs. 20, 21, forms of quartz, Hhombohedrons vary greatly in the length of the...hemihedrism and tetartohedrism are common in crystals of quartz, and when existing, the crystals are said to be...systems. Some examples are given under and there — quartz. Some rhombohedral species, as dolomite, have the |  | | Book (edition) | | part of the coal secalled also carboniferous Mountain limestone. ries ; limestone. Muffle, 317. Nacreous...Capable of combining with oxygen. Xt Containing quartz as Quartzose. a principal ingredient. . Oxydating...Silicate, 74. Consisting of, or containing silex, or quartz. Siliceous. Chequered. quered.) Silky, 56....(feldspar) will be easily distinguished from others (quartz) that have a glassy appearance. Yet the absence...no such nourishing fluid. is as perfect as the mountain mass. only by additions to the surface from some |  | | Book (edition) | | molybdic acid. Monoclinate, 33. Monometric, 32. Mountain limestone. A limestone of the lower part of the...oxygen. Oxydating flame, 68. Q.uartzose. Containing quartz as a principal ingredient. Radiated, 53. Rake-vein...Siliceous. Consisting of, or con• taining silex, or quartz. Silky, 56. Silurian. A term applied to the fossiliferous...(feldspar) will be easily distinguished from others ( quartz) that have a glassy appearance. It is a popular...fluid. The smallest particle is as perfect as the mountain mass. They increase in size only by additions |  | | Book (edition) | | point to a yard or more in diameA single crystal of quartz, now at Milan, is three and a quarter feet long...and seventy pounds. single cavity in a vein of quartz near the Tiefen Glacier, in Switzerland, discovered...discovered in a 1867, has afforded smoky quartz crystals weighing in the aggregate about 20,000 pounds considerable...the term crystal was applied only to crystals of quartz (f. I), which the ancient philosophers believed...in the annexed figure (f. 155) of a crystal of quartz, in which there are only three planes, 2-2 at each |  | | Book (edition) | | point to a yard or more in diameA single crystal of quartz, now at Milan, is three and a quarter feet long-...of quartz near the Tiefen Glacier, in Switzerland, discovered in 18fi7, has afforded smoky quartz crystals...the term crystal was applied only to crystals of quartz (f. 1), which the ancient philosophers believed...in the annexed figure (f. 155) of a crystal of quartz, in which there are only three planes, 2-2 at each...hemihedral in tourmaline (f. 156, prism ^-2 in quartz. Both these forms trical — 2. hedral division |  | | Book (edition) | | Monometric, 39. to &tand upon, earthy or alkaline : Mountain limestone. _A limestone material. and draining...INDEX OF TERMS. • .ll Q.ua.rtzose. Containing quartz u Also, by miners, a. dis-• a pri1noipal ingredient...Siliceous Consisting of, or .contaming mle:i, or quartz. Silky. 56. . Silurian. .A term applied, to the...(feldspar) will be easily distinguished from others ( quartz) that have n glassy appearance. _ It is a popular...fluid. The smallest particle is a.s perfect as the mountain mass. They increase in size only by additions |
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