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| ....................................... .. 389 Canada........................................................................................... 401 District of Columbia................................................................. 407 Maryland and District of Columbia............................................................................... 452 Chert and flint.................................................................................... 462 Lake terraces (old)................................. |
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| Printer, Ottawa, from the Geological Survey of Canada, 601 Booth St., Ottawa, and at the following Canadian...available for reference in public libraries across Canada. Price $1.30 Catalogue No. M41-8/8-1 Price subject...Queen's Printer and Controller of Stationery Ottawa, Canada 1964 Page 1 e INTRODUCTION 2 3 4 4 5 6 6 7 11...general equipment Care of specimens Collecting in Canada Mineral and rock sets Abbreviations used in references...ALBERTA SASKATCHEWAN MANITOBA APPENDICES Additional reading Amateur clubs in Canada Addresses INDEX TO |
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| Marquette Range Super~oup in the . G0gebic Iron District, Michigan and Wisconsin GEOLOGICAL SURVEY Prepared...Marquette Range Supergroup in the Gogebic Iron District, Michigan and Wisconsin By ROBERT GORDON SCHMIDT...Marquette Range Supergroup in the Gogebic iron district, Michigan and Wisconsin. (Geological Survey bulletin... 9. Generalized geologic map of the Gogebic district in Michigan and Wisconsin--------------------...origin within chert granules, base of Anvil Member, Ironwood Iron-formation--------------4. Chert granule containing |
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| ... Slates and graywackes of the Kachemak Bay district............ Distribution........................correlation......................................... 59 Chert...................................................conglomerate. ............ Graywacke and slate, with chert, limestone, and volcanic material. Un metamorphosed........ 29 Timber on Alaska Northern Railway near Snow River summit... 30 XI. Map showing distribution...bushes, and light timber in high valley near Summit Lake; B, Light scattered and burned timber with new undergrowth |
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| City zinc district, the Bumpass Cove iron-zinc-manganese district, the Sweetwater barite district, and the...deposits. The Ducktown copper district represents the most complex mining district and contains the largest...of Bull Run Steam Plant, in road cuts: quartz (chert, jasper, agate). Spring Hill Saltpeter Cave, 8.7...and Aronson 1987). Benton County “Benton cut,” on CSX railroad 3 miles ENE of Big Sandy: kaolinite, pyrite...sphalerite (Swingle 1959). Hambright mine, Red Hills district, 5 miles SSW of Cleveland: hausmannite, lithiophorite |
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| fault system is the central Kentucky fluorspar district. Dominated by veins containing barite, calcite...large amounts. The western Kentucky fluorspar district lies between the intersection of the New Madrid...part of the larger Illinois-Kentucky fluorspar district. Cenozoic sediment, weathering, and vegetation...than 3,000 feet. The first mine in the Kentucky district was opened by Andrew Jackson and others in 1835...typically mined from open pits. Mining in the district has been inactive since 1973, although exploration |
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| northerly trending belt that runs from the Ohio River to Lake Erie (Monroeville and Spargursville sites). Dr....hematite, quartz caleiie Pennsylvanian red shales chert quartz quartz, sphaierite Silurian, Devonian...Figure 5. Hematite nodules (largest 6 cm high), road cut near Canaanville, Athens County. shales and carbonate...veins of coarsely granular calcite. Chert Nodules: Nodules of chert are abundant in carbonate rocks such...by them may stand above the surrounding terrain. Chert nodules are white to gray, frequently flattened |
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| Center, Rm. 1C402, 12201 Sunrise Valley Dr. • SALT LAKE CITY, Utah-2222 West 2300 South, 2d floor • SPOKANE...first-order level nets of both the United States and Canada, formerly called Sea Level Datum of 1929. Revised...throughout the region and into southwestern Ontario, Canada. A revision of Niagaran Provincial Series stratigraphic...from the Rochester, N.Y., area to Hamilton, Ont., Canada. The escarpment continues northwestward across...McKendree, 1977.) Niagara Escarpment 80° 2 • CANADA NEW YORK PENNSYLVANIA 50 50 100 MILES 100 KILOMETERS |
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| and Ashville areas are in the Northeast Alabama district near the south end of the Valley and Ridge province...widely separated areas of the Northeast Alabama district, which are described in this report, are of minor...center of greatest concentration of deposits in the district the Rock Run and Goshen Valley areas (Cloud, 1966)...called to the author's attention by R. W. Smith, district engineer, U.S. Bureau of Mines. Mr. J. C. Hebble...Ridge province in the Northeast Alabama bauxite district (fig. 1). The area mapped covers 10 square miles |
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| distribution of heavy minerals, clay minerals, and chert should also be valuable in any further stratigraphic...iron, phosphorus, alumina, and silica. Secondary chert and aluminum phosphate zones form where the parent...The presence of a substantial amount of secondary chert in a weathered section .is believed to be evidence...residue. The presence of weathering products such as chert and aluminum phosphate below beds of virtually unleached...ROCKS IN PART OF WEST-CENTRAL FLORIDA and much chert. Material weathered from the Tampa limestone typically |
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| CENTRAL MINNESOTA INCLUDING THE CUYUNA IRON-ORE DISTRICT BY E. C. HARDER AND A. W. JOHNSTON MINNEAPOLIS...Cuyuna iron-ore district. ................................. 94-135 Location of the district. . . . . . ..... . . . . . . . . . . . . . 94 History of the district. . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . ¢ General geology of the district. . . . . . . . . . . . . . . . . . . . . . .....ILLUSTRATIONS Plate 1. Relief map of the Lake Superior district showing the location of the iron-ore districts |
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| ·Geology and Paleontology of the Santa Maria District California By W. P. WOODRING and M. N. BRAMLETTE...4. 5. 6. 7. 8. 9. Geologic map of Santa Maria district, Santa Barbara County, Calif. (5 sheets)_____..._ In pocket Structure sections of Santa Maria district, Santa Barbara County, CaliL _ _ _ _ _ _ _ _ _...________________ 38 Sketch map of Santa Maria district showing structural features and oil fields___... GEOLOGY AND PALEONTOLOGY OF THE SANTA MARIA DISTRICT, CALIFORNIA BY W. P. WooDRING AND ABSTRACT |
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| been correlated with the Grand Forks Schist in Canada and with other high-grade metamorphic rocks in...lesser amounts of limestone, argillite, graywacke, chert, and conglomerate. The metamorphic grade lies in...flows. The Sanpoil Volcanics and older rocks are cut by Eocene or Oligocene intrusions. The Scatter Creek...by logs cut from the large stands of timber nearby. INTRODUCTION 120° BRITISH COLUMBIA CANADA Pend...Rivers (fig. 1). This area and its extension into Canada was called the Columbia System by Daly (1912, p |
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| minerals can be found. In recent years the largest Lake Superior agate ever reported was found in Minnesota...Minnesota is a Lake Superior State. Wisconsin has shoreline on both Lake Superior and Lake Michigan. Michigan...these vast inland fresh water seas, with waters of Lake Superior, Michigan and Huron virtually surrounding...Indiana are bordered in part by Lake Michigan, and Ohio hugs the edge of Lake Erie. These states were all...states are all subject to sudden extremes; rainfall, snow, and winds are common along the lakes. Summers are |
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| McMichael Member of the Buttermilk Falls Limestone 11. Chert and limestone in the Stroudsburg Member of the Buttermilk...Esopus and Schoharie were called the "Bowmanstown Chert," but that name has been abandoned (Epstein and...part of the Schoharie Formation along abandoned railroad grade on north side of Brodhead Creek, 1,500 feet...and along bluffs north of the Erie-Lackawanna Railroad, 1,000 feet (305 m) southwest of the quarry, Stroudsburg...Formation (measured section 3) along ErieLackawanna Railroad, 5,000 feet (1,524 m) south of the East Stroudsburg |
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| are a few names whose type localities a..·e in Canada and Mexico. These names were listed but not defined...Dutchtown, Cape Girardeau County, Mo. Type section cut by northtrending fault with downthrow of about 55...STATES Clasts are red and green andesites and some chert. Interbedded with red conglomerate are green tuffaceous...including shale and siltstone, dolomitic sandstone, chert, and limestone. West of Adam Peak, where section...dolomitic sandstone; middle, about 950 feet thick, chert, dolomite, and dolomitic sandstones. True thickness |
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| province. The Michigan Basin is an oval area of cuesta, lake, and glacial plain, rimmed around by an almost complete...part of the Lockport often contains considerable chert. The Guelph of Ontario is a granular saccharoidal...per cent of silica, depending on the amount of chert. It is low in magnesium car bonate. The rock is...furnished much building stone to the local market. The chert, always present, varies considerably in quantity...concrete. The white chert fairly fills the rock. Toward the base, however, the chert nodules are less numerous |
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| Fossils������������������������������������������56 11. Kangaroo Lake Wayside Park Silurian Fossils�����������������...�����������������������������82 21. Shullsburg Chert ����������������������������������������������...olf W 51 67 2 8 8 8 53 MICHIGAN ver 68 Lake Chippewa 41 2 60–66 11 9–10 Eau Claire 8 Rochester...13–15 151 41 51 14 25–26 18 45 33 32 12 63 Lake Winnebago Sheboygan 94 14 M I N N E S O TA I...��������������������������� 107 29. Plum Creek Chert����������������������������������������������� |
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| ................................... Enchantment Lake Formation .................................. Mesnard................................................. Chert conglomerate .............................................................................. Goose Lake Member of the Siamo Slate ................ Zone................................. Sulfides in the chert-magnetite iron-formation .... Base metals in Carp...... Photograph of folded and broken thin chert beds, chert breccia unit, Kona Dolomite ............. |
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| Santa Rosa railroad-cut section........................ Sunshine Mesa-State Route 156 road-cut section....of the line of measurement of the Santa Rosa railroad-cut section (pi. 1, locality 1) within the Santa...measurement of the Sunshine Mesa-State Route 156 road-cut section (pi. 1, locality 2) within the Sunshine 7...Route 256 section (pi. 1, locality 18) within the Lake Theo 7.5-minute topographic quadrangle, Briscoe...Falls secton (pi. 1, locality 19) within the Edgemon Lake 7.5-minute topographic quadrangle, Briscoe County |
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| :........'......... Cement rock of the Lehigh district.................... . Cement rock in other parts......................... Limestones of the Boone chert............................ Pitkin or "Archimedes".................................... 119 Bedding district....'...:.............................. 119 Portland-cement...................................' 284 Leh'igh district.......................:.........................PasePortland-cement industry Continued. Lehigh district Continued. Manufacturing methods Continued. Character |
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| districts·---------------------------------Columbus District·---------------------------------------------...--------------------------------------M·a con District.. -------------------------------------------...--------------------------------Milledgeville District..------------------------------~-------------...---------------'----------------------Augusta District----------------------------------------------...is now the ruins of his mansion and where his railroad was located. He stocked the plantation with horses |
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| uggestive stratigraphic relations _________ Railroad cut east of Tioga_ __________ White Earth River...Post-Mankato time_________________________ Jones cut, an exposure of multiple drifts.______________ Stratigraphy...Topographic map of Jones cut and vicinity-23. Stratigraphy of southeast face of Jones cut. _ 24. Stratigraphic...View west toward the coteau morainal belt; B, Railroad cut east of Tioga, N. Dak..------_ - ----- --27...____--------------_--__-___-____ 39. South face of railroad cut at White Earth, N. Dak.. ----- -----_----_-_--_____ |
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| .................... Production of the Lehigh district, 1890-1910.................... 3 150673 16 16...Limestone underlying the chert........................ Limestone overlying the chert............................ Limestones in the chert bed............................ Pitkin ("Archimedes") limestone........................................................ District near Dubuque, by E. F. Burchard...................... 273 Southeastern New York (Poughkeepsie district).............. 275 Limestones of Clinton age. |
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| permission of the publisher. Published simultaneously in Canada by Fitzhenry & Whiteside Limited, Toronto. Manufactured...California and the Sonoran desert of Arizona, the lake beaches of the Middle West, the broad plains and...beauty by cleaning and trimming them; some he will cut into jewels, and some he will use to enrich museums...to Maine and Florida. Still others are found in Canada and Mexico. Every state, as a glance at the list...sciences. Many men and women, children too, who cut gems, collect crystals or fossils testify that a |
