 | | Report (issue) |
| Bridge. From this point, a trail leads down the north bank of the Tonsina to a road house on the Copper...the Chitina and the snow-capped mountains to the north in an interrupted and irregular belt, with a general...below this horizon in the Carboniferous farther north contain interbedded igneous material, it is assigned...conspicuqus stratum throughout the entire region north of the Chitina. It varies in thickness from 200...overlying Triassic beds and on the fi~ding of fossils north of Skolai Pass by Messrs. Hayes and Brooks in similar |
 | | Book |
| Ball (UK), I. Benkovics (Hungary), F. Bianconi (Switzerland), J. R. Blaise (Spain), A. V. Boytsov (Russia)...120 123 127 127 128 x Table of Contents 3.8 North-Bohemian Cretaceous Basin . . . . . . . . . . ..... . . . . . . . . . . . . . 3.8.1 StráL Block, North Bohemian Basin . . . . . . . . . . . . . . . . ...Mountains, West Carpathians . . . . . . 14.1.1 North Gemer Zone . . . . . . . . . . . . . . . . . . .... . . 17.5 Arjeplog-Arvidsjaur-Sorsele Region, North Sweden . . . . . . . . 17.5.1 Arjeplog District |
 | | Journal (article/letter/editorial) |
| elevation of 11,600 feet and is situated on the north slope of Stony Mountain just south of Sneffels Creek...nature lovers. HISTORY In 1860, prospectors ventured north from the territory of New Mexico into the San Juan...prospectors were entering the San Juan Mountains from the north, following the Uncompahgre River south to its headwaters...crystallized quartz and dolomite. Figure 14 (above). Chalcopyrite partially encrusting a 1-mm pseudohexagonal...sphalerite is partially coated with a thin film of chalcopyrite. The crystals are perched on a matrix of dolomite |
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| . . . . . . . . . . . . . . . . . . . . . . . North Star mine. . . . . . . . . . . . . . . . . . . ...Hill mine. Horizontal plan of mine workings of North Star mine. Plan of mine workings of Merchant mine...and 50' north, and longitude Hll O and 30' west, in the valley of the Skykomish, where the north and south...creek north of Galena are a part of the Silver Creek Mining District, and those still farther north belong...line; the western boundary is a line extending north and south through a point two and one-fourth miles |
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| ..............- 14 Figure 3—The Leadville Mine north of Gerlach........................... 15 Figure...Reservoir Fountain north of Gerlach.................. 53 Figure 8—Petrified Tree Trunk north of Gerlach......instance, the large subangular granitic rock on the north side of the highway just east of Verdi weighs in...formation several miles up the Truckee River Canyon. North of Lake Tahoe the Sierra Nevada Range trends north...west to meet the Cascade Range, so that the region north of this point and east of the 120th meridian is |
 | | Report (issue) |
| _______________ _ Northwestward-trending faults __________ _ North-northeastward-trending faults _____ _ Fn.ults of...lenn. ___________________________________ _ Chalcopyrite __________ - _____ --- _----- _____ _ Marcasite...Tertiary igneous rocks ; these strikes northwest and north-northeast, nn...common metallic minerals are pyrite, sphalerite, chalcopyrite, tennantite, and galena ; minerals of more restricted... but locally contain variable quantities of chalcopyrite, tennantite, enargite, sphalerite, and galena |
 | | Report (issue) |
| west of the glacier. The main outcrop is in the north wall of the gulch that has been eroded by Discovery...Chistochina, a gold-placer district on the south slope of the Alaska Range about 20 miles east of the Richardson...Maclaren Glacier. The prospect is about 9 miles north of the proposed route of the Denali Highway between...River area is a part of the rugged glaciated south slope of the Alaska Range. The altitudes range from about...29-30): Several quartz veins bearing bornite and chalcopyrite with malachite surface alteration occur in the |
 | | Report (issue) |
| portions of stopes 7 and 8 ____________ vertical north-south section through stopes 7 and 8 _________ ~...body____________________________ 76 18. Ferris-Haggarty mine; north-south sketeh section througJ: Bonanza stope at first..._____ Ferris-Haggarty mine; idealized vertical north-south section across the ore body_______ Ferris-Haggarty...USTR.ATIONS. Page "Fm. 25. Ferris-Haggarty mine; north-south diagrammatic section through stope on first..._........... _........ _. . Geologic section on north side of Continental Divide through Creede claim |
 | | Report (volume) |
| predominant ore minerals with lesser amounts of chalcopyrite in a few deposits. These deposits are at Tracy...Cornwallis Peninsula on Kuiu Island, the Keku Islets north of Kuiu Island, Cholmondeley Sound and Beaver Mountain...of Wrangell._____ Facing 28 6. View north from top of south slope of Glacier Basin._____ Facing 29 7....Forest Service trail begins a few hundred feet north of the mouth of this creek and extends for about...Virginia Lake. An old trail was cut out along the north side of the lake in 1942, but access to the east |
 | | Journal (issue) |
| Bochum-Querenburg, West Germany Eric Offermann Arlesheim, Switzerland Julius Weber Mamaroneck, New York circulation...ffice Box 7 8 3 , B ow ie, M aryland 2 0 7 1 5 T e le p h o n e :3 0 1 - 2 6 2 - 8 5 8 3 or 3 0 1 -2 6...KUNZ, G.F. (1892) Gem s and Precious Stones of North Am erica, Ed. E. Olsen, Dover Publications, Inc...located on Anvil M ountain approxim ately 3 miles north of Silverton, Colorado. This is the “type” locality...supplied by Mr. Fred Kraissl of Kraissl Associates, North Hackensack, New Jersey, a past presi dent of the |
 | | Report (issue) |
| time, glaciers are presently confined to a few north-facing cirques at elevations above 1,500 m (5,000...Pass (50 km to the east), Barrow (250 km to the north), Kotzebue (400 km to the southwest), and Fairbanks...and at the abandoned Killik No. 1 test well site north of Kikiktat Mountain; an unimproved, marginally...sulfide minerals (pyrite, sphalerite, galena, or chalcopyrite). The other two, informally named the Kady and...are galena, pyrite, and sphalerite, but minor chalcopyrite is also locally present. Detailed descriptions |
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| RICHARD R. CHAVEZ Assi tant Head Petroleum ROBERT M. NORTH Mineralogist MICHALL W. WOOLDRIDGE Chief Sci. Illustrator... Colorado-Justice claims ……………………………………………………… North Magdalena district …………………………………………………………… Copper...surrounding the Magdalena special quadrangle—Continued North Magdalena district—Continued Jack Frost and Night...lease, North Fork Canyon, Water Canyon district ………………………………………………………………………….. 40 North slope of Springtime... They are the Jones Camp deposit and a deposit north of Fairview. The descriptions of these two deposits |
 | | Report (issue) |
| mineral occurrences of gold, barite, sphalerite, chalcopyrite, galena, arsenopyrite, cinnabar, and pyrite...rocks older than any known rocks immediately to the north or south. The Doonerak Area is thought to represent...Subquadrangle boundaries of the 1:250.000 scale quadrangle North-south subquadrangle II. III. IV. I. Geocnefilcal...Triassic rocks are correlated with rocks in the North Slope subterrane (Silberling and Jones, 1984). The...The southernmost exposure of the North Slope subterrane is at the Doonerak fenster. GEOLOGY, LITHOLOGY, |
 | Hammarstrom, J.M., Meier, A.L., Jackson, J.C., Barden, Ryan, Wormington, P.J., Wormington, J.D., Seal, R.R. (1999) Characterization of mine waste at the Elizabeth Copper Mine, Orange County, Vermont. Open-File Report Vol. 1999 (99-564) US Geological Survey doi:10.3133/ofr99564 | Report (issue) |
| .............................................. North pit area (Tailings pile 3) .......................shown south of Copper Flat is at latitude 43°-50' north, longitude 72° 20' west. .........................south pit area. A, Flooded north end of the south pit and haulageway, looking north. B, Gypsum encrustation...................... 11 Figure 5. Photos of the north pit area (Tailings pile 3). A,. Center of subarea...6. Photos of tailings pile 2. A, Bare eroded north slope of TP2. Surface runoff from TP3 forms the headwaters |
 | | Book (edition) |
| Sandstone flags of Coal Measures, PtankShoal«, on North river, Tuscalousacounty. Thin.bedded limestonein...counties. l)ug near Millerville, Clay county ; north of Milltown, Chambers county ; and between Wedfowec...counties. Murphree's valley, from Village Springs north eastward on both sides of the valley, beds of ore...Carboniferous formation in the Tennessee valley in north ern Alabama carries limonite. Largest bank in Franklin...Not Mined. Asbestus . Barite CassiterUa .. Chalcopyrite Corundum . Covellite. Asbestus Near corundum |
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| • • . • . • . . • . . . . . . . . . • . • • . . North Trinity Mine . . . . . . . . . . . . . • . . . •...classe au troisieme rang dans le monde po:ir la production de l'or, soit le camp Kirkland Lake dont la production...depassee que par celle du camp Porcupine qui occupe le deuxieme rang, et celle du district aurifere Witwatersrand...Cette production, pour l'ensemble du pays, classe le Quebec immediatement apres l'Ontario. La region de...cet or au cours de leurs expeditions de chasse dans le Nord-Ouest quebecois (renvoi: 1 78, p. 25). La prospection |
 | | Report (issue) |
| the c~untry. Cobaltite and the copper mineral. chalcopyrite, the principal ore minerals are ssociated w~th...between the Blackbird and Haynes Stellite blocks north ot Blackbird Creek and in Little Deer Creek is probably...sufficiently, b) the "porphyroblastic gneiss" at the north end of' plate 1 was misidentified as igneous rock...almost due west and leaves the quadrangle just north of' Clear Creek. The suggested changes in the report...chloritoid or both minerals, are present in the north part of the Blackbird and Lookout blocks. To the |
 | | Report (issue) |
| Observations of this sort were made along the north shore of Chichagof Island and the west coast of...intrusive from Windham Bay to a point 10 miles north of Berners Bay, where it enters Lynn Canal, a total...Admiralty Island mineral zone starts at a point just north of Mole Harbor on the west side of Seymour Canal...district; on the west coast of Chichagof Island, north of Sitka; at Helm Bay and Dolomi near Ketchikan;...few exceptions, irregular lenses or masses of chalcopyrite ore, many of them rich in magnetite, and occur |
 | | Journal (article/letter/editorial) |
| Turkey. Sommaire La tourmaline est le borosilicate le plus répandu dans le milieu magmatique-hydrothermal...trouvent le gisement mésothermal argentifère à Pb–Zn–Cu de Kadıkalesi (Bodrum–Muğla) et le gisement aurifère...dans le domaine de la buergerite. Le mécanisme de substitution principal serait exprimé par le vecteur...compositions dévient de la série idéale schorl–dravite selon le vecteur d’échange de l’uvite. Les spectres de Mössbauer...contain Cu–Au–Mo mineralization. Although present in North American and some Australasian deposits, breccia |
 | | Journal (volume) |
| Geology of Romania, Technical Univ. Cluj-Napoca – North Center Baia Mare Editor in Chief: Conf. Dr. Sorin...Cluj-Napoca – North Center Baia Mare, Floarea Damian, Technical Univ. Cluj-Napoca – North Center Baia Mare...a quartz -sphalerite paragenese containing “chalcopyrite disease” microtexture at Cavnic (Pintea, 2015...galena, as well as common sulfides (pyrite, chalcopyrite, and sphalerite). The calculated chemical formula...Bucuresci-Rovina ore deposit, Ge minerals being related to chalcopyrite. According to Socolescu et al. (1963) the presence |
 | | Report (Issue volume) |
| Stones of N. J\mer.-Gcms and Precious Stones of North America by G. F. Kunz (The Scientific Publishing...York, 1890 ). Gemstones of N. Amer.-Gemstones of North America by John Sinkankas (D. Van Nostrand Company...boulders in the gravels of various streams in the North. The black pebbles are the more desirable for jewelry...35 mil es northeast of Mayo, and about 220 miles north of \ Vhitehorse to which it is connected b y an...gold are: Dawso n area-Kl ondike Ri ver, Sixty-mi le River; Eldorado, Bea r, Hunker, Quartz, Dominion |
 | | Report (issue) |
| cropiiinirs and 41 '.". Copper .Mines from the north Shasta County, show r.ully Hill. ' 's'.i inniiej...-onnti-s of Siskiyon. D.l Norte. assistant. in thr north, ana Ins Trinitv. Shasta, ana ll.nnhoiat h. work...the Sieri'a sions: while Foi' and in the north-central paii of th<' is that of Shasta State...State rivaled of copper dei)osits stretching north miles. this in belt in In former THE COPPER...that this great mineral region will include protitat)le copper mines among its developt'il tlie most superficial |
 | | Report (issue) |
| Comb," reaches a height of 5,886 feet. Farther north, toward the main axis of the range, the peaks become...mountain but by an ice stream which came from the north and almost if not completely submerged Ellamar Mountain...along the north side of the area here considered. They form much of the Chugach Range to the north and are...around Port Valdez and Jack Bay. A short distance north of the mouth of Galena Bay they come into contact...Bligh Island are much less metamorphosed than those north of Galena Bay, and they also appear certainly to |
 | | Report (volume) |
| area ; two major systems bound the district on the north and west. Quartz veins in the area are grouped into...is .asymmetrical in cross section. The eastward slope is more irregular and at places more abrupt than...than the generally unbroken front of the western slope. Glacial cirques are prominent on the east side of...and steep ridges that are heavily timbered on the north-facing slopes and also in shaded canyons. Yellow...in many of the ranges of western Montana; to the north, they crop out over much of northern Idaho, western |
 | | Report (volume) |
| area....................... 64 Topographic map of north-central part of area....................... 68 Topographic...The geological features of the gold production in North America. Trans. Am. Inst. Min. Eng., vol. 33, 1902...from the valleys between the north-south ranges on both sides. The north third of the area is drained...has been found at White's ranch, about 20 miles north of Beowawe, and was described by Hall and Whitfield...at Lone Mountain, and at Railroad Canyon, on the north end of the Diamond Range, which is about 15 miles |
