 | | Report (issue) | | AND STRUCTURE OF THE MESABI RANGE, MINNESOTA UNIVERSITY OF MINNESOTA MINNESOTA GEOLOGICAL SURVEY GEORGE...THE Mesabi Range, Minnesota BY DAVID A. WHITE MINNEAPOLIS • 1954 THE UNIVERSITY OF MINNESOTA PRESS...Card Number: A54-8933 FOREWORD The Mesabi range of Minnesota, because of its great economic importance...on the geology of the Mesabi district, only recently has development of the range proceeded far enough...indicated the desirability of a new study of the Mesabi iron-formation; such a study would use modern concepts |  | | Book | | Mineralogy and Geology of tlie Mesabi Range ., JOHN W. GRUNER I Minnll!ola GecbgirJI s, LIBR11R...by OFFlCE OF THE COll-1!1-DSSIONER of the IRON RANGE RESOURCES AND REHABILITATION R. E. WILSON, C0111MISSIONER...OF THE TACONITES AND ffiON ORES OF THE MESABI RANGE, MINNESOTA By JOHN W. GRUNER, Ph.D . • Professor...l'llineralogy University of Minnesota Geologist of the Minnesota Geological Survey Minnesota Gea1agical St11f11...IRON RANGE RESOURCES AND REHABILITATION St. Paul, l\linn. 1946 In cooperation with the Minnesota Geological |  | | Journal (article/letter/editorial) | | to extend to the sea-coast at the north of the county. Although the subdivisions are not piled up, one...which crops out for some miles along the coast at Lamberton . . . But in the Upper Coquet district (Mid-Northumberland)...there is little doubt that the horizon of the Lamberton or Dun Limestone is above the Harbottle Grits...relics of the rocks from the Weald, Gault Clay, Chert, Greensand, Sand and Limestone, etc., lying on the |  | | Journal (article/letter/editorial) | | Wensleydale section is mainly that proved in Keld Heads Mine between Leyburn and Kedmire. It will be noticed...calcareous, thin beds of argillaceous limestone and chert, and a few buff magnesian limestones. Stigmaria...they are generally in Northumberland. The Dun or Lamberton Limestone may be followed along the coast-for...Scremerston Coals, which were formerly worked at Lamberton, but were found to be poor and thin in comparison |  | | Journal (article/letter/editorial) | | Wensleydale section is mainly that proved in Keld Heads Mine between Ley burn and Redmire. It will be noticed...calcareous, thin beds of argillaceous limestone and chert, and a few buff magnesian limestones. Stigmaria...they are generally in Northumberland. The Dun or Lamberton Limestone may be followed along the coast for...Scremerston Coals, which were formerly worked at Lamberton, but were found to be poor and thin in comparison |  | | Book | | UNIVERSITY OF MINNESOTA. A REPORT ON THE GEOLOGICAL AND NATURAL HISTORY SURVEY OF MINNESOTA MADE IN ...SURVEY OF MINNESOTA. N. H. WINCHELL. STATK GEOLOGIST. 1872-1882. THE GEOLOGY OF MINNESOTA. VOL I...Secretary of State, on behalf of the people of Minnesota GEOLOGICAL SCIENCES in the TABLE OF CONTENTS...and Surveys in Minnesota. CHAPTER The By N. general physical features of Minnesota. building-stones...building-stones of Minnesota. By N. II. of Houston county. By N. II . of of Fillmore county. By N. II |  | | Book | | deposits have a characteristic and wide spread range of sedimentary structures, including graded bedding...pseudomorphs after orthopyroxene. Olivine contents range up to 1 2 per cent ( S 51 795 ) . The lowest flows...exposed 1n a crag [9588 5786] 1 100 m SSW of Lamberton Shields. Farther south, the higher flows are olivine-microphyric...quartz-diorite (S 48226). A small granitic intrusion at Lamberton [968 590] (Walker, 1925) is exposed in the stream...ap proximately N 0 1 0 ° . The Stoneshiel and Lamberton granites may belong to the Tweeddale batholith |  | | Journal (article/letter/editorial) | | lakes studied. The trophic status of these lakes range from oligotrophic to eutrophic. Otsuki et al. (1981)...analyses. Carbon and nitrogen contents are in the range of 21.0-79.0 and 2.29--9.23 mg/g dry sediment, respectively...strong odd/even predominance (CPI: 3.13--5.81 for a range of C~7--C3s). Similar distribution patterns have...present in cutin and suberin of higher plants (Lamberton, 1961; Eglinton and Hunneman, 1968; Holloway,... Limnol. Oceanogr., 5: 29--33. Gschwend, P.M., Chert, P.H. and Hites, R.A., 1983. On the formation of |  | | Report (edition) | | faunas of graptolites and inarticulate brachiopods. Chert occurs amongst the lavas and in a series of beds...volcanic rocks, been made in this area. In places the chert appears to be devoid of radiolaria, and it is probable...localities the relationship between the lava and the chert is uncertain and the age of the former cannot be...frequent occurrence of chert between the pillows of lava, and by the fact that chert may succeed lava but...conditions favourable to the deposition of the chert can be expected to persist for only a short period | | | Report (edition) | | British Geological Survey sales offices The full range of St1rvey publications is available from the BGS...faunas of graptolites and inarticulate brachiopods. Chert occurs amongst the lavas and in a series of beds...them has yet been made in this area. In places the chert appears to be devoid of radiolaria, and it is probable...localities the relationship between the lava and the chert is uncertain and the age of the former cannot be...frequent occurrence of chert between the pillows of lava, and by the fact that chert may succeed lava but |  | | Report (edition) | | Phawhope Kips. (Length, two miles.) 2. Glenkiln chert. 2 1 . Glenkiln Shales. 3 11 . Lower Hartfell Shales...quarter.) 1B. Arenig volcanic rocks. C. Radiolarian chert. 2. Glenkiln Shales. 3. Lower Hartfell Shales. f... Intrusive basic rocks. 2 and 3 C. Radiolarian chert. 2. 'Tappins Beds.' 2 and 3. Caradocian and Ashgillian...between them are filled with limestone, shale or chert (Pl. III A). The associated beds of agglomerate...amygdaloidal diabase is associated with tuff and chert, but the largest exposure at Cowgill is now the |  | | Report (edition) | | 2Gvolcanic ;f,3L Shales ower Alenkiln CR1B rocks chert adiolarian renig 2--anarkshire GFIG Burn Clowgill...erpentine Ablack 1lava renig 1B 1 Ts .Tatinchar chert 'aRadiolarian 3CBeds Ashgillian ;2Kand ,SConglomerate...between them are filled with limestone, shale or chert ( Pl . III A) . 10 ORDOVICIAN 11 The associated...amygdaloidal diabase is associated with tuff and chert . Farther to the north-east the volcanic rocks...Burn, nearfoot ofLambfoot Linn. C, Radiolarian chert. 2 ', Glenkiln Shales. 31 , Lower Hartfell Shales |  | | Journal (article/letter/editorial) | | describing the different formations existing in this county, I shall treat of them, first, with reference to...Royal Soc. Trans I!din GEOLOGICAL MAP of tlie COUNTY or ROXBURGH in PI Instigation of M« I I I L X...that the thin strata are found anywhere in this county so hard as to produce roofing-slate; but the thicker...it is quarried. The greywacke strata are in this county, as in the rest of the British islands, almost...several hundred feet thick. The lowest parts of the county are, generally speaking, those in which the conglomerate | | | Report (edition) | | between them are filled with lime¬ stone, shale or chert (PI. IIIa). 10 J The South of Scotland (Geol...amygdaloidal diabase is associated with tuff and chert. Farther to the north-east the volcanic rocks are...Burn, near foot of Lambfoot Linn C, Radiolarian chert. 21, Glenkiln Shales. 311, Lower Hartfell Shales...black shales with thin layers of black radiolarian chert and ashy mudstones containing grey siliceous bands...lavas, gabbro, dolerite, granite, black shale, chert and greywacke, together with rocks of Highland aspect |  | | Journal (issue) | | their collections. This legrandite from the Ojuela mine (Mapimi, Durango) measures 5.6 cm high. (Jeff Scovil...MEMORIAM Kenneth Howard Rohn, 84, of Eveleth, Minnesota, passed away from cancer on Sunday, Dec. 22, 2013... surrounded by his family. Born in Virginia, Minnesota, on Feb. 5, 1929, Ken was an avid gemologist,...CALIFORNIA: Annual show; Monrovia Rockhounds; LA County Arboretum, 301 S. Baldwin Ave.; Sat. 9-4:30, Sun...Annual show; Ventura Gem & Mineral Society; Ventura County Fairgrounds; 10 W. Harbor Blvd.; Sat. 10-5, Sun |  | | Report (issue) | | illustration Blasting in the open pit at the Foss baryle mine, near Aberfeldy. The white dust comes from the baryte...1990 , BRITISH GEOLOGICAi. SURVEY The full range of Survey publications is available through the...of England, and the opening of the Whcal Jane tin mine in Cornwall. However, mining companies had little...has been multidisciplinary, drawing on the wide range of geochemical, geophysical and geological expertise...first, the size of the organisation, with the wide range of expertise that can be called upon to contribute |  | | Report (edition) | | is on a county basis, and the following authors are responsible for the most important county descriptions:...Limestone ... Stratigraphical Succession ... •. . Chert ... ••• Composition . . . .. . Distribution . ....96 VI, A Middleton Quarry and Mine, Gorebridge, Midlothian. The mine is developed in the lower part...the North Greens Limestone. B Interior view of the mine, illustrating the stoop and room (pillar and stall)...marl on the one hand and marble on the other. The range in composition stretches from limestones with 95 |  | | Report (volume) | | is on a county basis, and the following authors are responsible for the most important county descriptions:...Limestone ... Stratigraphical Succession ... •. . Chert ... ••• Composition . . . .. . Distribution . ....96 VI, A Middleton Quarry and Mine, Gorebridge, Midlothian. The mine is developed in the lower part...the North Greens Limestone. B Interior view of the mine, illustrating the stoop and room (pillar and stall)...marl on the one hand and marble on the other. The range in composition stretches from limestones with 95 |  | | Report (volume) | | Hershey, H. G. , 2. scale: Spieker, E. M., 3. Iron-range rocks, origin: Tanton, Distribution in geologic...described. Div. Mines, 1; Jenkins, O. P., Choctaw County, Highway 17 area: 3. Toulmin, L. D., Jr., 3. Minor:...analysis: KelH. D., 5. ler, W. D., 3. Talladega County, hematiteOklahoma, potash agstone, granite magnetite...ground water: Powham, C. E. ell, W. J., 4. Marengo County: Newton, J. G., 1. Core-drilling program, ChattanooMica:...J.,4. Excursion, Tertiary type-localiMontgomery County: Reade, ties: Rainwater, E. H. , 1. H. L. , Jr |  | | Report (issue) | | approximate extent of deposits of sand and gravel in each county. Brief descriptions of the geology of the underlying... For ease of reference the description of each county is intended to be more or less self-contained and...included in the bibliographies at the end of each county section. g • 7 II) � ... • 0 General references...1965; 1967), and Table 2 shows the permissible range for some of the main types of mixture, based on...ft thick contains about 2 000 tons per acre each county section. Fuller general accounts are given by Macgregor |  | | Journal (article/letter/editorial) | | these places many blocks of the Arenig Radiolarian Chert, now altered into jasper; also blocks of the Haggis...forms. of Andesite; but these of the Pentlands range almost from basalts, or at least from basalt-andesites...them into a series of complex folds whose axes range in a general N.E. and S.W. direction. Professor...shaped, It is these, also, which form the striking range of cliffs of greater part of the Berwickshire coast...the atmosphere considerably reduced the diurnal range of temperature, and rock-weathering of the normal |  | | Report (issue) | | Nottingham 1995 BRITISH GEOLOGICAL SURVEY The full range of Survey publications is available from the BGS...Disused mines 36 37 HoardweelA1ine 37 Ellemford Mine 37 Discussion 39 GEOPHYSICS Regional aeromagnetic...Location of adits and sample sites at Hoardweel Mine Regional aeromagnetic data Regional gravity data...al., 1990) localised Au concentrations, in the range 1-3 ppm, occur in quartz-pyrite-arsenopyrite veins...there are no records of production. The Hoardweel Mine workings are the more extensive, with three main |  | | Report (issue) | | and impregnate the adjacent wallrock. Ore bodies range from small masses only a few feet across to those...in 1874 at Mauch Chunk (now Jim Thorpe), Carbon County, Pa. ('Genth, 1875, p. 144B). In 1898 a deposit...vanadiferous sandstone was found at Roc Creek, Montrose County, Colo. This deposit was soon exploited for the...ceitain other elements are common in most. Ore bodies range from small masses containing ·a few ~tons of ore...Uranium minerals Sources of data ARIZONA Apache County Jerome Chee prospect_ __________ Morrison 1_____ |  | | Report (volume) | | Canada THE MINES HANDBOOK Meeting tbe Needs of Mine and Smelter Hundreds of plants on both American...(all types) Crushers Crushing Rolls NEW YORK Mine Pumps Oil Engines Sampling Machinery Screens Stamp...all the metals, and a corresponding expansion of mine work. The MINES HANDBOOK will hereafter be published...Tuckahoe, N. Y., April, 1920. Vll THE MINES MINE HOISTS HANDBOOK AND Years of experience in building...Wellman- Send for our Bulletin F. 5, "Electric Mine Hoists," and get in closer touch with W-S-M equipment |  | | Report (volume) | | California. THE MINES HANDBOOK, 1922 MACHINERY FOR MINE • MILL SMELTER Embodying recent developments...Compressor NEW YORK Crushing Rolls Air Compressors Mine Pumps Ball Mills Blast Furnaces Oil Engines Screens...considered to be working the public and not the mine. Many suspicious promotions are however not positively...Chile, S. A. Cable: Howban, BANCROFT, Rowland, Mine Valuation, Apartado 264, Panama, R. P. . Panama...Elisabethville, Katanga, Congo Beige, Africa. Available for mine examinations America or Africa after July, 1923 |
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