 | | Report (issue) | | OF THE KOTSINA AND CHITINA VALLEYS, COPPER RIVER REGION. BY FRED H. MOFFIT and A. G. MADDREN. INTRODTJCTION...Kasaan Peninsula region of southeastern Alaska, the Prince William Sound region, the region included within...drainage area of Kotsina and Chitina rivers, and the region of upper Copper, Tanana, and White rivers. Of these...which is sometimes referred to as the Copper River region, although the name is more often applied to the...patents has been done. The whole of the interior region may be said to be still in the prospecting stage |  | | Report (volume) | | 374 MINERAL RESOURCES OF THE KOTSINA-CHITINA REGION, ALASKA BY FRED PL MOFFIT AND A. G. MADDREN ...__ Chalcopyrite _______________"____________ Malachite _____________:_____1_________ Azurite _______...__ Chit-stone River basin______________________ Main stream _________________________ Glacier Creek ...reconnaissance map of Chitina River and Copper River region, Alaska.________________________ In pocket. II...81 6. Form of ore body exposed in the main or northern tunnel at the Bonanza mine___________________________ |  | | Book (volume) | | DEPOSITS. 341 Besides the cobalt-nickel veins, the region also contains veins of carbonate spars free from...district of Schneeberg, in Saxony, a mountainous region 1,300 to 1,600 feet (400 to 500 m.) above the sea...communications by H. Trb'ger, are divided into two main groups, an older and a younger. The older veins...the pitchblende. ores extend for 850 foot cross-cut, although the vein itself had, above the level...Haileybury, in Ontario, Canada, in 1903, while a railway cutting was being excavated. 2 22. VEINS OF HYDROSILICATE |  | | Journal (issue) | | Behnke Northbrook, IL Werner Lieber Heidelberg, W. Germany Eric Offermann Arlesheim, Switzerland Jeffrey A...worked as a government employee in the Wallonien Region, and at the Ministry of Transport in Brussels and...to believe. The photo showed gold wires in a malachite matrix. After telephoning Zaire he was convinced...clusters of cobaltoan calcite crystals, some with malachite matrix; cobaltoan calcite with native copper (two...excellent cuprite specimens (of which several are on malachite matrix); a small but superb cuprosklodowskite |  | | Report (volume) | | ILLUSTRATIO S Page 10 1. ketch map of the Ozark region _______ _____________ _____ __ 18 2. Generalized...pocket 5. Map of norther n Arkan a-s lead and zin c region showi ng location of min s and pro pects __________________...mining in the region bas closely pa ralleled that of zinc. The production f r om the region ince 1907, a...Everton. Stnwt1tre.- Th e rocks of the lead-zinc region app ar to be horizontnl, bu t when tudied 01·er...liz d r ortion of blank t Y in , formed alon" the main channel of circul nting or solutions. The vicinity |  | | Report (issue) | | 12E 09 32-18-234 111-07-1bw P8 CUV MU AGV OMEGA TUNNEL PdV PImA ZN AUV 185 15E 24 31-51-224 11U-4b-lOw...CU MAIN COMMOD A AU OCCURRENCES) OR POTENTIAL PRODUCTISI: Nt AG PAGE 0002 POTENTIAL A MO MAIN ORE...MINERALS: MOLYODENITE WOLFRAMITE. LIMONITE. GALENA MALACHITE• CERUSSITE, VANADINITE HEMATITE EXPLORATION AND...SCHALLER, W.T., 1936, MINERAL RESOURCES OF THE REGION AROUND BOULDER DAM: U.S. GEOL. SURVEY BULL. B71...OF K-A AGES OF TERTIARY ROCKS FROM THE LAKE MEAD REGION, NEVADA-ARIZONA: GEOL. SOC. AMERICA BULL., V. 83 |  | | Journal (article/letter/editorial) | | Magnetite Hematite. Chalcocite. Native silver. Malachite, azurite, and chrysocolla Bismutite. . . . Beyerite...Native bismuth(-/) Covellite DnscnrprtoN Boours Malachite Azurite Chrysocolla Beyerite Bismutite Limonite... quartz, beryl, apatite, and tourmaline, and is cut by garnet vein- E. WM. EEINRICH lets. Thin fi...among the last componentsto crystallize, for they cut sharply acrossthe fabric of the zone. Muscovite rimmed...with quartz and red oligoclase in late veins that cut across the core. Blades as much as 6 feet Iong and |  | | Journal (article/letter/editorial) | | also have been obtained. E. WM. HEINRICH The main workings, which are about 150 feet above a gulch...southwest slope of a 250-foot hill, consist of an open cut. 100 feet long, 40 feet in maximum width, and 35...Two trenches serve as entryways and a small narrow cut branches from one side. Near the top of the hill...strikes N. 60o E. and dips 60' N.W. In the open cut it is about 70 feet wide, but it narrows toward the...pegmatite is also exposed below the dumps from the main cut and can be followed into the gulch where it is |  | | Report (issue) | | ... ... .. . .. . . .. (5) The Folding of the Region in Late Silurian or Devonian Time ..... , (6) The...the Emu Bay Railway line. . Mt. Farren is situated north and a few points eastward of the main West Coast...present is by the Emu Bay Railway line. A horae tramway connects with the railway at a point 21 mil .. BOuth...members of the aame rock types as occur along the main axis of the \Vest Coast range in an unbroken line...regard to the massive conglomerate which forms the main maas of the ridge of Mt. Farrell itself, Mr. Waller's |  | | Report (issue) | | Topographic maps are available for all of the Black Hills region and may be purchased from the United States Geological...Atacamite 1965] INTRODUCTION CARBONATES Aragonite Malachite Strontianite Bismutite Cerussite Azurite Dolomite...in length from the wall on the north side of the tunnel entrance to the Greene pegmatite three miles east-northeast...the most abundant amphibole of the Black Hills region. It is an especially important constituent of the...brownish red when viewed from the ends, have been cut from transparent andalusite found onefourth mile |  | | Report (issue) | | ----- ---------- - 19 General features of the region..........._._______._..._...---....---....-.--.................................... Spiritualist tunnel.................................................................................. Willow Spring tunnel..................................................Center tunnel................................................................ 258 Jubilee tunnel.......................................... 260 Franklin tunnel............................................... |  | | Report (issue) | | the Mineral Resources series for over 8 years. The main reason for this long interval between issues has...... No 5 shoot . . . . . . . . .... .... Devons Cut workings .... .... .... Mount Brockman group ......Mount Conspicuous Miscellaneous prospects within the main group .... . . . . . . . . General information ...... ................ .... Assay results. Devons Cut workings .... Assay results. M.C. 171. Braeside ...appendices of additional information not included in the main text. The geographic grouping into gold and mineral |  | Wrucke, C.T., Marsh, S.P., Raines, G.L., Werschky, R.S., Blakely, R.J., Hoover, D.B., McHugh, E.L., Rumsey, Clayton M., Gaps, R.S., Causey, J.D. (1984) Mineral resources and mineral resource potential of the Saline Valley and Lower Saline Wilderness Study Areas, Inyo County, California. Open-File Report Vol. 1984 (84-560) US Geological Survey doi:10.3133/ofr84560 | Report (issue) | | descriptions and production data for mines in the region around the study areas are included in summary...is the lowest place in the northern Death Valley region. The general topographic trend of the mountains...from this trend. Mining history Prospecting in the region of the Saline Valley and Lower Saline Wilderness...generalized geologic map of the Inyo Mountains region, which covers both study areas. Upper Proterozoic...(1970) in reports and maps of the Inyo Mountain region, the Cambrian rocks in the Saline Valley area are |  | | Book (volume) | | and discusses those species which are primarily cut as gemological curiosities with little or no regular...Alaska, provided data on gemstones found in that region; the Southern Onyx and Marble Company of San Diego...well-known Texas agate localities of the Alpine Region were described in detail by J. Frank Woodward...photographs illustrating scenes and gemstones of this region were generously provided by George Ashley and Roy...Mesolite, Thomsonite, Fluorite, Smithsonite, Malachite and Azurite, Shattuckite, Wollastonite, Lapis |  | | Report (issue) | | Geology—Lemhi Pass region, Idaho and Montana. 2. Thorium ores—Lemhi Pass region, Idaho and Mont. I....Creek, the area consists of two mountain masses. The main mountain mass rises to the east to the Continental...This separate mountain block is divided from the main part of the range by a broad lowland, whose northern...shallow-water features such as mud cracks, ripple marks, cut-and-fill structures, and mud-chip breccia are common...Little Dry Gulch. The upper part of the Gunsight is cut out by faulting. The greater part of the Gunsight |  | | Report (issue) | | Hiriart Mountain 23 6. Section through west tunnel, North Star mine 7. 8. 9. 10. 11. 12. 13. 14... 49 49 50 52 55 55 56 57 59 48-49 Spodumene, cut-stones A, Photo of fine-grained lepidolite. B, very...49 49 48-49 A, Tourmaline, cut stones. B, Tourmaline, bi-colored cut stones 10. 12. Fig. spodumene...geologist, California Division of Mines. map of main cut. Xaylor mine Photo of fracture-controlled replacement...Plan of main workings, Katerina mine Section through adit, 101 Molino mine 35. Geologic map of main workings |  | | Report (issue) | | of the Ozark region, showing the drainage and topography; B, Sketch map of the Ozark region, showing physiographic...___ .. ____ .... ___ ....... -- .. -----A, Open cut in barren ground near lola mine, showin15 jointed...24 34 48 50 52 54 56 58 60 (}2 66 XVIII. A, Open cut Big Elephant mine, Key sandstone in upper part of...____ . __ . ___ . _ 72 . XXIII. A, East end of main cut at Morning Star mi~e, showing fissure opposite...of rocks somewhat obscured by waste from the open cut. ___ . ____ .. __ . _________ _.. _. _. _- . ______ |  | | Report (issue) | | ______ - -- -- --- - --- - _____ $ I ,989, ooo Germany -------- _____________________________ _ 2,223...the tin ores of Cornwall. Germany. -The gold-producing localities of Germany occur in Saxony, near Freiburg...and silver. Sweden. -The principal gold-mining region of Sweden is found in I4 OCCURRENCE AND HISTORY...gold, practically in sight, on what is called the main reef, estimated to be worth $3,SOO,ooo,ooo, or,...located in the Department of Antioquia, a mountainous region, near the centre of the republic. All the political |  | | Report (issue) | | ______ - -- -- --- - --- - _____ $ I ,989, ooo Germany -------- _____________________________ _ 2,223...the tin ores of Cornwall. Germany. -The gold-producing localities of Germany occur in Saxony, near Freiburg...and silver. Sweden. -The principal gold-mining region of Sweden is found in I4 OCCURRENCE AND HISTORY...gold, practically in sight, on what is called the main reef, estimated to be worth $3,SOO,ooo,ooo, or,...located in the Department of Antioquia, a mountainous region, near the centre of the republic. All the political |  | | Book (edition) | | atrolite, Thomsonite, Fluorite, Smithsonite, Malachite and Azurite, Shattuckite, Lapis Lazuli, Fibrolite...of Arkansas crystal 3. Star of Arkansas marquise cut gem 4. Mounce diamond crystal 5. Gibson's Ruby mine...Spessanine garnet, rough and cut Chalcedony replacements of coral, Florida Rough and cut apatite, Durango, Mexico...faceted gems Polished thomsonite nodules, Minnesota Malachite-azurite stalactites, Arizona Chondrodite crystals...specimen: 11/2 x l inch (3 .8 x 2.5 cm). Bottom: cut gems from Rutherford Mine No. 2, Amelia, Virginia |  | | Report (issue) | | representation of salt outcrop .. .. Sketch-map of the main structural features of the district Sketch-map showing...showing the probable retreat-stages of the Main Irish-Sea glacier in the eastern half of the district...pair of confluent channels at about 780 ft O.D. cut in a thick sandstone series underlying the Old Lawrence...Lawrence Rock, during the retreat of the Main Irish Sea ice (Stage 4, Fig. 10). This torrent-deposit of...Clough during the early part of the retreat of the Main Irish Sea glacier. • Vl LIST OF SIX-INCH MAPS |  | | Report (issue) | | continuous pediment that forms extensive gravel plains cut only . locally by southwestern flowing wadies. South...from the migrating sand dunes. The positions of the main road systems of Oman are strongly influenced by...there any road crossing the Al Hajar Ash Shargi. The main access road to the interior is a graded gravel road...understood by dividing the rock units into three main groups: (I) The basement autochthonous rocks, represented...calcium carbonate, and characteristically canyons cut into them develop unusually steep walls. Placer deposits |  | | Report (issue) | | (western) occurrence Gill quarries Highway 507 road-cut Fraser quarry Nu-World uranium mine Dancey tremolite...Nemo quarry Nelson quarry Dundas area Clappisons Cut quarry Ofield Road quarry Dundas quarry Hamilton-Niagara...accessible to collectors. The Bancroft-Parry Sound region includes the world famous collecting localities...limes'tone and sandstone and rock exposures are the main collecting localities for minerals ,fossils and...ferents endroits de deux regions del' Ontario soit la region de Bancroft-Parry Sound et le sud de la province |  | | Journal (issue) | | spellings of both mineral names and localities in the main label strongly suggest the work of a Russian who...High in the mountain ranges of the Shigar Valley region of Pakistan, hundreds of mine tunnels pierce steep...Afghani and Pakistani minerals. He traveled to that region for minerals in the early 1970s (around the time...Sainte-Marie-auxMines Show in the amazing Alsace region of France. Marco is a bit of a genius: he is one...aquamarine, especially specimens from the Shigar region of Pakistan. During the 2010 Tucson Show, we were |  | | Journal (volume) | | ........ 172,216, 335 port on Tennessee Valley Region. Aluminum, Prices of.................. 565 Accident...... 639 Alice Mine, Wash. Ader Bell Mining and Tunnel Co. Alice, Mollie & Ida G Colo...... . . . . .... Co., Colo. . . . 192 Alkair Mine, Colo.. Adit Tunnel, Wald, Co 540 Alkali Exports, Un Advance Gold M...Sargent's Pau........ 360 Alsatian Petroleum Co., Germany.... 75 American Mine, Co.o...... 73, 337 Air Compressor................. ..... 2, 3, 537 Banner District Tunnel, Colo........ . 609 Bertha B. Mine, Colo.... - |
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