 | | Report (volume) | | GEOLOGY OF THE PEGMATITES AND ASSOCIATED ROCKS OF MAINE INCLUDING FELDSPAR, QUARTZ, MICA, AND GEM DEPOSITS................................... Origin of the Maine pegmatites........................................Larsen............................. Application to Maine pegmatites............................... Eutectics.............................. 1.... Androscoggin County................................................................................................ Maine Feldspar Company quarry and mill............... |  | | Journal (issue) | | page 2) A Conglomerate Silver Cache From Keweenaw County, Michigan Tom Rosemeyer datolite@charter.net Even...One exception is at the Central mine in Keweenaw County where it widens to 24-36 inches and was mineralized...oxyplumboromeiteat UCLA. Only $30 - postpaid in the USA A vailab/e exclusively from: Excalibur Mineral Corporation...perfect bound for Just: $35.00 Postpaid in tl,e USA; add $18/or foreign. Excalibu1· Mineral Co1·p ...Mount Marie, Oxford County, Maine Dennis P. Durgin dennisd@megalink.net The Mineralogy of Maine (King and |  | | Report (issue) | | QUARTZ AND FELDSPAR. FELDSPAR AND QUARTZ DEPOSITS OF MAINE, By EDSON S. BASTIN. INTRODUCTION. The commercially...commercially important feldspar and quartz deposits, of Maine all belong to a single type of rocks known to the...subordinate amounts of other minerals. The pegmatites of Maine were studied by the writer during part of the summer... Cumberland, Androscoggin, and Oxford counties, in southwestern Maine, though occurring to some extent...for its gem minerals at Mount Mica, in Paris, Oxford County, is another example of the flatlying, sill-like |  | | 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) | | 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...normal granites; namely, quartz, orthoclase and microcline, albite or oligoclase, muscovite, biotite, and |  | | 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...richer in giant crystals of rose-colored microcline, green microcline (commonly surrounded by an albite rim)...present have not been determined. Microcline KAlSi30 8 Microcline, as the green variety “ am azonite |  | Bradley, Dwight, Shea, Erin, Buchwaldt, Robert, Bowring, Sam, Benowitz, Jeff, O'Sullivan, Paul, McCauley, Andrew (2016) Geochronology and Tectonic Context of Lithium-Cesium-Tantalum Pegmatites In the Appalachians. The Canadian Mineralogist, 54 (4) 945-969 doi:10.3749/canmin.1600035 | Journal (article/letter/editorial) | | Hampshire, at ca. 326– 294 Ma; and (4) Mount Mica, Maine, at ca. 264–260 Ma. The NYF pegmatites in the Appalachians...Appalachians must be of at least three ages: Topsham, Maine, dated at ca. 273 Ma (U-Pb monazite) by Tomascak...Morefield, Virginia, at ca. 253 Ma; and Hurricane Mountain, New Hampshire, which cross-cutting relations...that delimit the Connecticut Valley-Gaspe, Central Maine, and Merrimack basins, which were deformed and metamorphosed...Bronson Hill anticlinorium in New Hampshire and Maine (Moench & Aleinikoff 2003, Dorais et al. 2008) and |  | | Journal (issue) | | 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...about half-way up the south side of North Table Mountain. This may be reached from the highway going from...Many basalt boulders are scattered all over the mountain side and make climbing over and around them quite |  | | 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 __ |  | | 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 (edition) | | in the polysynthetic twinning of the feldspar, microcline, arising probably from the fact that the angle...near Clear Lake, in California; Inferno, Humboldt County, and Rabbit Hole Mines, Nevada; near Evanston,...been found. Lionite is an impure variety from Mountain Lion Mine. Tellurium is also a constituent of...Esmeralda Co., Nev. ; also 12 miles south of Battle Mountain, Nev.; in Utah, in Iron Co., on Coyote creek,...the west dy, in Ellore. The side of the Ratoos Mountain, with gold and platina. Brazilian mines were first |  | | Book (edition) | | near Borax Lake, in Califoinia ; Inferno, Humboldt County, Nevada, , abundant. The sulphur of commerce is...Cornish mines. In the United States it occurs in Maine at Blue Hill Bay, Camdage Farm, Brunswick, and Bowdoinham...region, and in the mines of Aurora, Esmeralda County, Nevada. Tins ore affords much of the antimony...they are obtained on the west side, of the Ratoos Mountain, with gold and platina. The Brazilian mines were...with in Rutherford County, North Carolina; Hall County, Georgia also Franklin County, North Carolina in |  | | Book (edition) | | described a similar occurrence from "Specimen Mountain," in the Yellowstone Park ; the form is shown...: pale blue with a little green ; it is called mountain line. blue by painters. E. GREEN. 1. Verdigris-green...(Chelities of talc and beryl. doniiun rnajus). 3. Mountain-green : green with much blue ; beryl. 4. Leek-green:...ordinarily referred. For example, see'Des Cloizeaux on microcline and milarite ; Rumpf on apophyllite (Min. Petr...hyalophane ; oligo3. albite ; 219 orthoclase (microcline). ; (7) SUBSILICATES. Q. ratio for bases to |  | | Book (edition) | | described a similar occurrence from '' Specimen Mountain," iu (Am. J. Sci., III., the Yellowstone Park;...Skrj-blae : pale bine with a little green it is called mountain blue by painters. E. (jrREEN. 1. Verdigris-green...(Chelities of talc and beryl. donium majus). 3. Mountain-green : green with much blue ; beryl. 4. Leek-green...to which it has been ordinarily referred. on microcline and milarite Rurnpf on apophyllite (Min. Petr...R R= : : clase ; albite ; orthoelase (microcline). ; (7) Sl'bsilicates. Touriiialiiie. (5) |  | | Book (edition) | | described a similar occurrence from " Specimen Mountain," in the Yellowstone Park ; the form is shown...Sky-blue: pale blue with a little green; it is called mountain blue by painters. E. G-REEN. 1. Verdigris-green...(Chelities of talc and beryl. doninm rnajus). 3. Mountain-green : green with much blue ; beryl. 4. Leek-green...= : clase ; : ; albite ; orthoclase (microcline). ; (7) SUBSILICATES. Q. ratio for bases to...and other parts of North Wales in Scotland in the county of Wicklow, Ireland ; in Sweden, at Edelfors. In |
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