 | | Report (issue) | | Elk Lake, Minnesota Evidence for Rap d Climate Changein the North-Central United States Edited b y J...q siedX dAIBA, 10 11 276 yy) 4mm Elk Lake, Minnesota: Evidence for Rapid Climate Change in the...Congress Cataloging-in-Publication Data Elk Lake, Minnesota : evidence for rapid climate change in the... West. 3. Elk Lake Region (Clearwater County, Minn.)āClimate. 4. VarvesāMinnesotaāElk Lake Region (Clearwater...(Clearwater County) 5. Sedimentology I. Bradbury, J. Platt (John Platt) II. Dean, Walter E. III. Series: |  | | Report (volume) | | Meromictic Lakes and Varved Lake Sediments in North America By Roger Y. Anderson, Walter E. Dean, j...in Publication Data Meromictic lakes and varved lake sediments in North America. iii, 19 p. (U.S. Geological...Bibliography: p. 14-18. Supt. of Docs. no.: 119.13:1607 1. Lake sediments-North America. 2. Geology-Periodicity...Oligocene Florissant Lake Beds, Colorado 2 3. Varve laminae from the Rita Blanca lake beds (early Pleistocene)...from Green Lake, Fayetteville, New York 3 5. Varve laminae from the central plain of Lake Zurich, Switzerland |  | Wittkop, Chad, Teranes, Jane, Lubenow, Brady, Dean, Walter E. (2014) Carbon- and oxygen-stable isotopic signatures of methanogenesis, temperature, and water column stratification in Holocene siderite varves. Chemical Geology, 389. 153-166 doi:10.1016/j.chemgeo.2014.09.016 | Journal (article/letter/editorial) | | Dean c a Department of Chemistry and Geology, Minnesota State University, Mankato, MN 56001, United States...Varves Stable isotopes Iron formation Ferruginous lake a b s t r a c t Manganoan siderite ([Fe,Mn]CO3)...organic-rich, varved sediments from freshwater Otter Lake (OL), Michigan. Radiocarbon dating and varve counts...precipitated in oxygen isotopic equilibrium with modern lake water, but are Ī“13C enriched relative to modern...Ī“18O depleted relative to equilibrium with modern lake water. These data suggest that abundant siderite |  | Wittkop, Chad, Swanner, Elizabeth D., Grengs, Ashley, Lambrecht, Nicholas, Fakhraee, Mojtaba, Myrbo, Amy, Bray, Andrew W., Poulton, Simon W., Katsev, Sergei (2020) Evaluating a primary carbonate pathway for manganese enrichments in reducing environments. Earth and Planetary Science Letters, 538. 116201 doi:10.1016/j.epsl.2020.116201 | Journal (article/letter/editorial) | | Katsev c,f a Department of Chemistry and Geology, Minnesota State University, 241 Ford Hall, Mankato, MN 56001...America c Large Lakes Observatory, University of Minnesota Duluth, 2205 East 5th Street, Duluth, MN 55812...Watershed Research Station, Science Museum of Minnesota, 16910 152nd St North, Marine on St. Croix, MN...9JT, UK f Department of Physics, University of Minnesota Duluth, 1049 University Drive, Duluth, MN 55812...manganese carbonates carbon isotopes ferruginous lake redox-stratiļ¬ed a b s t r a c t Most manganese |  | Dean, Walter E., Bradbury, J.P., Anderson, R.Y., Bader, L.R., Dieterich-Rurup, K. V. (1994) A high-resolution record of climatic change in Elk Lake, Minnesota for the last 1500 years. Open-File Report Vol. 1994 (94-578) US Geological Survey doi:10.3133/ofr94578 | Report (issue) | | HIGH-RESOLUTION RECORD OF CLIMATIC CHANGE IN ELK LAKE, MINNESOTA FOR THE LAST 1500 YEARS by Walter E. Dean*..............................................32 Elk Lake Phytoplankton...................................Diatoms in Elk Lake for the Past 1550 Years.........46 Diatom Paleolimnology of Elk Lake for the Past...Charcoal Analyses and Fire History Recorded by Elk Lake....................46 REFERENCES CITED..........Figure 1. Maps of vegetation in Minnesota, Itasca State Park, and Elk Lake ...................2 Figure 2 |  | | Journal (article/letter/editorial) | | compositions (d13CDIC) in small hardwater lakes in Minnesota and Montana A. Myrbo *, M.D. Shapley Limnological...Geophysics, University of Minnesota, 310 Pillsbury Drive SE, Minneapolis, MN 55455, USA Received 14 October...were not readily correlated to parameters such as lake stratiļ¬cation, algal productivity, hydraulic residence...between lakes with similar d13CDIC compositions. Each lake thus initially appears idiosyncratic, but when the...carbonate mineral equilibria, microbial activity, and lake residence time are viewed in terms of the magnitude |  | | Report (issue) | | ........ 8 Chemical classification of surface lake waters....................... 9 Concentrations...of atmospheric precipitation in northeastern Minnesota, compared with the composition of the four most...logarithmic intervals for 1,133 lakes in Wisconsin, Minnesota, and the Dakotas.................... Figure ... 4. 11 The geographical distribution (by county) of lakes in the north-central United States, grouped...specific conductivity in lakewaters of western Minnesota........................................ Figure |  | | Journal (article/letter/editorial) | | UniĆersity of Nebraska-Lincoln, Lincoln, NE 68583-0844, USA Received 13 December 1999; accepted 13 June 2000...Keywords: Kerogen; Hydrogen isotopes; Carbon isotopes; Lake sediment 1. Introduction In lacustrine sediments...D variations of lacustrine kerogen extracts from lake sediments to interpret paleotemperature. However...Swan Lake and to assess the causeŽs. of d D variations during the last 5000 years. 2. Swan Lake Swan...Swan Lake ŽFig. 1. is an interdune basin in the western part of the Sandhills region of Nebraska, USA. In |  | | Journal (article/letter/editorial) | | of Swan Lake Basin in the Nebraska Sandhills, USA: Large 13 C enrichment in sediment-calcite records...Dietzel Keywords: Nebraska Sandhills Lakes Kerogen Calcite Stable isotopes Carbon-13 enrichment a b s t r...samples and core sediments collected from the Swan Lake Basin. Water analyses include the dissolved methane...core sediments ā sandy muds containing inorganic calcite, organic matter, and opal phases Ā± ostracods ā...wt% organic nitrogen, wt% organic matter, wt% calcite, ı13 C of bulk-sediment insoluble organic matter |  | | Journal (article/letter/editorial) | | ores of the Erzgebirge, Cornwall and Great Bear Lake is particularlynoteworthy. Mercury as cinnabar,the...is absent.The deposits occurinterruptedly from Elk Lake on the north to South Lorraine on the south--a...southwest as the Bruce Mines area on the north shore of Lake Huron. Unlikethoseof manyof the Europeandistrictsthe...beenmeasuredfrom 3Ćø to 75 and even 55Ćø feet (Cobalt Lake fault). It is noteworthythat in the Cobalt and South...pink aplitesor granophyresfound mainly in the Elk Lake and Gowgandadistrictsand ā¢0 Knight, C. W.: Cobalt |  | | Journal (article/letter/editorial) | | 2005 Copyright Ā© 2005 Elsevier Ltd Printed in the USA. All rights reserved 0016-7037/05 $30.00 ā«¹ .00 doi:10...Geophysics, University of Minnesota, 310 Pillsbury Drive SE., Minneapolis, Minnesota 55455 USA Department of Geology...425 White Hall, Morgantown, West Virginia 26506 USA (Received December 23, 2003; accepted in revised...lakes may otherwise be scarce. Where groundwater and lake composition are favorable, carbonate mineral precipitation...precipitation, evaporative concentration of lake water, and microbial processes can combine to strongly |  | | Journal (article/letter/editorial) | | Record of redox status in laminated sediments from Lake Titicaca: A sulfur K-edge X-ray absorption near...in sulfur speciation of lamination couplets from Lake Titicaca, South America using X-ray absorption near...is present as inorganic sulfate substituted in calcite. The differences in speciation likely reflect changes...During the warm, productive summer months, micritic calcite precipitation was induced in oxidized surface waters...changes induced by consumption of dissolved CO2āthis calcite incorporates dissolved sulfate and forms the light-colored |  | | Journal (article/letter/editorial) | | of the late glacial and postglacial sediments in Lake Ontario CHARLES M. CARMICHAEL Department of Geophysics...Received May 1, 1989 Revision accepted July 21, 1989 Lake Ontario is divided by two ridges of glacial till...central, and eastern parts, respectively, of the lake. Piston and benthos cores were taken by the Canada...curves of declination, inclination, and NRMIARM for Lake Ontario have been produced. Le lac Ontario est divisC...sequences in Lake Ontario and to provide chronostratigraphic correlation in different parts of the lake based |  | | Journal (article/letter/editorial) | | Temporal variations in lake water temperature: Paleoenvironmental implications of lake carbonate d18O and...Sciences, University of Michigan, Ann Arbor, MI 48109, USA a r t i c l e i n f o abstract Article history:...195 TWater 12.607; R2 Ā¼ 0.96) independent of lake size, with consistently higher mean water temperatures...than air. N. Hemisphere Spring (AprilāJune) mean lake surface temperatures (MAAT Ā¼ 0.0097 T2Water...proxy constraints (i.e., fossil leaves) to estimate lake temperature and calculate water d18O thus requires |  | Henderson, Anna K., Nelson, David M., Hu, Feng Sheng, Huang, Yongsong, Shuman, Bryan N., Williams, John W. (2010) Holocene precipitation seasonality captured by a dual hydrogen and oxygen isotope approach at Steel Lake, Minnesota. Earth and Planetary Science Letters, 300 (3) 205-214 doi:10.1016/j.epsl.2010.09.024 | Journal (article/letter/editorial) | | hydrogen and oxygen isotope approach at Steel Lake, Minnesota Anna K. Henderson a,ā, David M. Nelson b, Feng...Center, Department of Geology, University of Minnesota, Minneapolis, MN, 55455, United States University...derive lake-water isotopic values during the Holocene at Steel Lake in north-central Minnesota. In combination...input-waters to lake. Variations in evaporation are used as a proxy for aridity and lake-water input isotopic...the expansion of the prairie-forest border in Minnesota as well as regional variations in grassland community |  | | Report (issue) | | Cobalt to Temagami Northland mine Net Lake (Barton) mine Cedar Lake (Trebor, Cuniptau) mine Little Dan mine...McKinley-Darragh mine Cobalt Lake mine Seneca Superior (Cart Lake) mine Peterson Lake mine Nipissing 407 mine...Cleopatra) mine Nipissing 404 mine Mines along Brady Lake Road Right of Way (North) mine LaRose mine Chambers-Ferland...mine Foster mine Lawson mine, Conisil mine Kerr Lake (Jacobs) mine Drummond mine Hargrave mine Rochester...mine Mines along Cross Lake Road Mentor mine Nerlip mine Deer Horn (Cross Lake OāBrien) mine Smith Cobalt |  | | Journal (issue) | | separated the Elk Lake formation from the Sardine Formation on the basis of exposures in the Elk Lake area southeast...southeast of the mining area. They placed the Elk Lake formation as overlying and separated from the Sardine...dates for rocks of the Sardine Formation and the Elk Lake formation about 8 km southeast of the Ruth Mine...andesite dominates) f----,--",.~:-cT.'~~c-1 '.: 10 Elk Lake fm. (basalt to hornblende-pyroxene andesite) ...minerals chlorite, calcite, and epidote; and (2) plagioclase by albite and epidote or calcite. It is widespread |  | | Report (edition) | | UNIVERSITY OF MINNESOTA Minnesota Geological Survey PAUL K. SIMS, DIRECTOR BULLETIN 37 PHOTOGRAPH...University of Minnesota Press, MinncajJolis Copyright 195.4,19138 by the UNIVERSITY OF MINNESOTA All rights...Departments of Botany and Geology of the UniveTsity of "Minnesota Preface THIS volume has been prepared in an...attempt to make available to the citizens of Minnesota a general summary of the major geological features...Yet how many of the thousands of citizens of Minnesota employed in these enterprises understand the geological |  | Ortega, Beatriz, Caballero, Margarita, Lozano, Socorro, Vilaclara, Gloria, RodrĆguez, Alejandro (2006) Rock magnetic and geochemical proxies for iron mineral diagenesis in a tropical lake: Lago Verde, Los Tuxtlas, EastāCentral Mexico. Earth and Planetary Science Letters, 250 (3) 444-458 doi:10.1016/j.epsl.2006.08.020 | Journal (article/letter/editorial) | | proxies for iron mineral diagenesis in a tropical lake: Lago Verde, Los Tuxtlas, EastāCentral Mexico Beatriz...Increased erosion, higher evaporation rates, lower lake levels, anoxia and reductive diagenesis in non-sulphidic...sulphidic conditions and higher lake levels after A.D. 850. Higher lake levels in Lago Verde broadly coincide...rights reserved. Keywords: environmental magnetism; lake sediments; Los Tuxtlas; mineral diagenesis ā Corresponding...(Fig. 1). It is a semicircular, small, and shallow lake, ca. 4 m deep, nearly 0.8 km in diameter, and lies |  | | Report (edition) | | .i WM. R. JUDD UNIVERSITY OF MINNESOTA Minnesota Geological Survey GEORGE M. SCHWARTZ, DIRECTOR...Min1leapolis Copyright 1954 by the UNIVERSITY OF MINNESOTA All rights reserved. No part of this book may...attempt to make available to the citizens of Minnesota a general summary of the major geological features...Yet how many of the thousands of citizens of Minnesota employed in these enterprises understand the geological...foundation of our wellbeing, the hope of our future. Minnesota, though known as an agricultural state, has great |  | | Journal (article/letter/editorial) | | minorsilver-producing campsof Ontar{oā¢notably Gowgandaand Elk Lake. These two campswerevisitedby the writer in the...quartz, the crystals of which extend into the calcite which may occupythe center of the vein. This type...in the arrangement of the constituentparts, the calcite and ores often being irregularly distributed in...the aplite. The "aplites" of the Gowgandaand Elk Lake Districts occur as occasional dike- or vein-like...Bowen, N. L.: Diabase and Granophyre of the Gowganda Lake District, Ontario. Jour. of Geol., vol. ā¢8, pp. |  | | Report (issue) | | occurrences in Timagami a r e a Northland Mine Net Lake Mine Cedar Lake (Trebor. Cuniptau) Mine Little Dan Mine...McKinley-DarraghMine Cobalt Lake Mine Seneca Superior (Cart Lake) Mine Peterson Lake Mine Nipissing407 Mine...Nipissing404 Mine Road log to mines along the Cobalt-Brady Lake road Nipissing401Mine OtBrien Mine VioletMine ColonialMine...Mine Foster Mine Lawson Mine. Conisil Mine ICerr Lake (Jacobs)Mine Page ..................................................................... Miller Lake O'Brien Mine .................................. |  | Solotchina, E.P., Sklyarov, E.V., Solotchin, P.A., Vologina, E.G., Stolpovskaya, V.N., Sklyarova, O.A., Ukhova, N.N. (2012) Reconstruction of the Holocene climate based on a carbonate sedimentary record from shallow saline Lake Verkhnee Beloe (western Transbaikalia) Russian Geology and Geophysics, 53 (12) 1351-1365 doi:10.1016/j.rgg.2012.10.008 | Journal (article/letter/editorial) | | carbonate sedimentary record from shallow saline Lake Verkhnee Beloe (western Transbaikalia) E.P. Solotchina...the Holocene carbonate sediments of a small saline lake localized in the Borgoi dry-steppe region, western...dolomites, which are an indicator of a shallow (playa) lake. The studies showed that the lacustrine Mg-calcites...changes, we reconstructed the intricate evolution of Lake Verkhnee Beloe, which was controlled by the regional...modeling; stable isotopes; geochemistry; saline lake; paleoclimate; Holocene; western Transbaikalia |  | | Report (issue) | | Eisleben, Germany; remainder is gangue 1.66%. (3) Elk Lake, Canada; by electron microprobe. (4) Ni11 As8...(Eisleben, Germany); millerite, uvarovite, pyroxene, calcite (Orford, Canada). Distribution: In Germany, from...mine, Elk Lake, Timiskaming district, Ontario; in Quebec, at the Orford nickel mine, Brompton Lake, and...and at the Jeffrey mine, Asbestos. In the USA, at the Gem mine, northwest of Silver Cliff, Fremont Co. |  | | Report (issue) | | western Cascade Range. Part of the wilderness near Elk Lake was mapped by White (1980) as part of a doctoral...tributary of the Little North Santiam River, and Elk Lake, Dickey, Pansy, Hugh, and Nohorn Creeks, and the...well-maintained trails provide access to the wilderness from Elk Lake, Bagby Hot Springs, and from the ends of several...2). In places along the walls of the canyon of Elk Lake Creek, this sequence is dominated by several ash-flow...leonhardite, heulandite), secondary silica minerals, calcite, and chlorite. Throughout the region, where these |
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