 | | Report (issue) | | poor on north-facing slopes. Particularly troublesome are blanketing deposits of felsenmeer, 10 to 50...bedrock. Most of Spokane Mountain is underlain by felsenmeer, and on those steep slopes, it is not clear how...are most common of the calc-silicate hornfelses. Calcite is commonly not present, hence, Table 1 .--Lithology...of abundance. Abbreviations: Bi, biotite; Cc, calcite; Chl, chlorite; Di, diopside; Ep, epidote; Ga,...marble is medium to coarse grained and composed of calcite with lesser amounts of quartz, phlogopite, and |  | | Journal (article/letter/editorial) | | weaponsand utensils. The storiesof a mine in the north had piquedthe curiosityof the Hudson'sBay Companyfor...trip would not be possible,as ice conditionson the north coastare uncertainand the seasonvery short. CoronationGulf...minerals whichfill the vesicles are mostcommonly calcite,quartz,a dark chlorite,and epidote,lessfrequentlya...bythestructure of theindividual flows. The flows dip gently north, and as the dense traps resistweatheringmore effectivelythan...severalfeet of pure, coarse calcite,at another of a mixture of quartz, calcite,and brecciated trap, andat |  | | Report (issue) | | (0-3 m) above modern flood plains Equivalent to North Park Formation; may include cover o"f includes...sandstone and conglomerate; 150 ft (46 m) exposed FELSENMEER DEPOSIT (PLEISTOCENE?)--Thin rock field on high-...a groundmass of complexly intergrown secondary calcite 274 m) thick (may be tectonically thinned or thickened...biotite quartz monzonite with 1.7 b.y. granodiorite north of this area FINE-GRAINED GRANITE (PRECAMBRIAN |  | | Journal (issue) | | Joliet Jr. College Godehard Lenzen, Hamburg, Germany (Geologic Education) THE EARTH SCIENCE DIGEST is...geomorphologist. Many surface characteristics in north temperate regions proved unexplainable until the...what is known as felsenmeer, a rock sea. The most unique illustration of felsenmeer is that which develops...quarrying take place, and it is imagined that this felsenmeer developed when the continental glacier stood...Mt, Washington area. It is not necessary that felsenmeer be so coarse; it may as readily be almost soil-like |  | | Journal (article/letter/editorial) | | geology and petrology of the Preeambrian rocks to the north-east ol the fjord Qasssit, Frederiksbåb district...201,4). No. 114 Ferri-sepiolite in bydrotbermat calcite-quartz.cbalcedony veins OD Ntlpsuaq in West Oreenland...tbe petrographic study are marked. 7 Fig. 3. Felsenmeer over lower slopes of the Hurry Intet granile...confirms tbis; its dimensions exceed 30 km from north to south and 14 km from east to west (figs 1, 2)...recognised by Henriksen (personal communication) further north, where modem erosion of red beds is exposing a weathered |  | | Report (issue) | | (but has been reviewed for conformity with the North American Stratigraphic Code). Any use of trade,...simplified. An isolated mafic quartz-diorite dike north of Maurice Mountain (ne/mm) and adjacent to the...are from a single sample of a large dike at the north end of Keokirk Mountain. It is the oldest pluton...a string of prospect pits and at least one mine north of the Cherry Creek trail. However, the effect...as to smaller stepped-back cliffs north of a snow chute on the north side of the large cliff (Figure 6) |  | | Book | | Quaternary History and Research with Emphasis on North America and Northern Europe During the Last 2.5...passage from Beringia to the southern parts of North America. (Modified from D. Hopkins, 1967.) Introduction...Fig. 1-3. Europe, 21 000-18 000 years ago. The North European Ice Sheet reached as far south as Berlin...and over the pack ice that covered part of the North Atlantic. The illustration shows winter-ice conditions...conditions on the ocean. For the present North Sea area, the geographic reconstruction records conditions |  | | Journal (article/letter/editorial) | | western limits, but may have been confluent to the north with the icefield reconstructed by McDougall (2001)...blockfields and tors on high plateaux in Scandinavia and North America escaped glacial erosion during the LGM under...The glacial history and glacial deposits of the north and west Cumberland lowlands. In: Ehlers, J., Gibbard...Synchronisation of palaeoenvironmental events in the North Atlantic region during the Last Termination: a revised...Stockli, L., Macpherson, G., Finkel, R., 2004. Felsenmeer persistence under non-erosive ice in the Torngat |  | | Journal (article/letter/editorial) | | CanadaV6T 1W5 Abstract The Sustutcopperdepositof north-centralBritishColumbiaoccursin the upper member...geochemicalsamplingduring the remainderof the 875 km north of Vancouver,in the SwannellRange 1971 field season...were doneby the moss cover, scree, talus, and felsenmeer and has a firstauthorin the summerof 1977, duringwhich...posit; a northern bowl, the North zone, which exRegional Geology tendsfrom the North Cliffsto an easterlytrending...1, Geologyandlocationof the Sustutcopperdeposit,north-central BritishColumbia(after Harper,1977, andMongerandChurch |  | | Book (edition) | | 134, adapted from "The Physiographic Provinces of North America" by Wallace W. Atwood, 1940; pages 182-183...increasingly es- Throughout large parts of Europe and North America, the more accessible ore bodies and oil...counter-clockwise as viewed from the direction of the North Star. The sun also rotates counter-clockwise on...direction of the magnetic meridians connecting the north and south magnetic poles, unless it is locally influenced...from time to vise that 25 A section through North America, showing variations in thickness of the |  | Mathieu, Jordan, Turner, Elizabeth C., Kontak, Daniel J., Fayek, Mostafa, Mathur, Ryan (2018) Atypical Cu mineralisation in the Cornwallis carbonate-hosted Zn district: Storm copper deposit, Arctic Canada. Ore Geology Reviews, 99. 86-115 doi:10.1016/j.oregeorev.2018.06.009 | Journal (article/letter/editorial) | | chalcopyrite, all of which are associated with calcite and dolomite gangue. Multiple in situ micro-analytical...shows elevated δ65Cu values from +1.31‰ in the north to +3.44 ‰ in the south, suggesting a probable southward...reservoir. Negative CeSN anomalies in main-stage calcite cement indicate an oxidised fluid, but the lack...precipitated. Prolonged meteoric fluid movement from the north, with intermittent episodes of basin-equilibrated...basinbounding faults in the nearby Borden basin (north Baffin Island; Fig. 1). There is no known record |  | | Journal (article/letter/editorial) | | Res., 21: 255--276. The Salal Creek area, at the north end of the main group of vents for the Quaternary...Publishers B.V. 256 more than 100 km long at the north end of the Cascade volcanic arc (Fig. 1). Major...in the Salal Creek area, and in one other area north and northeast of Bridge Glacier where the age of...subduction of the Juan de Fuca Plate under the North American Plate (Riddihough and Hyndman, 1976; Souther...Garibaldi Belt is coincident with the projection under North America of the Nootka Fault, which is the current |  | | Report (volume) | | deposits in Paleo2 zoic sedimentary rocks are on the north and west sides of the wilderness area. (2) Molybdenum...southeast part of the area: Streams to the west and north drain into the Colorado River system, whereas those...the southeast flow into the Arkansas River. The north-trending Sawatch Range includes many of Colorado's...area. GEOLOGIC SETTING The Sawatch Range is a north-trending anticline that is about 16 mi wide in the...sedimentary rocks flank the range on its west, north, and east sides. These units were at one time continuous |  | Hu, Yundi, Liu, Zaihua, Ford, Derek, Zhao, Min, Bao, Qian, Zeng, Cheng, Gong, Xiaoyu, Wei, Yu, Cai, Xianli, Chen, Jia (2020) Conservation of oxygen and hydrogen seasonal isotopic signals in meteoric precipitation in groundwater: An experimental tank study of the effects of land cover in a summer monsoon climate. Geochimica et Cosmochimica Acta, 284. 254-272 doi:10.1016/j.gca.2020.06.032 | Journal (article/letter/editorial) | | interest because 33 they may also be detected in calcite speleothems precipitated from groundwater in caves...of the infiltrating water. 18O/16O ratios in calcite speleothems, now a commonly used proxy for studying...and tropical regions, karren fields and 562 felsenmeer in arctic and alpine terrains) are better able...4 Comparisons with groundwaters precipitating calcite speleothems in natural caves. 569 The purpose...aggressive (undersaturated) or supersaturated wrt to calcite 23 577 and dolomite, at different times; i |  | | Book | | LOESS RECORDS/North America PALEOCEANOGRAPHY PALEOCEANOGRAPHY, RECORDS/Late Pleistocene North Atlantic ... PALEOCEANOGRAPHY, RECORDS/Postglacial North Atlantic PALEOCLIMATE RECONSTRUCTION/Pliocene Environments...SEDIMENTS/Overview POLLEN RECORDS, LATE PLEISTOCENE/Western North America No part of this publication may be reproduced...UK Jurgen Ehlers Universitat Hamburg, Hamburg, Germany Henry Schwarcz McMaster University, Hamilton,...Alfred-Wegener-institut fir Polar- und Meerforschung, oisdam., Germany J T Andrews University of Colorado, CO, USA P |  | | Book | | professor in the Academy of Mining at Freiburg in Germany. He was a great teacher who fired his students...sedimentary rocks are’ still preserved in the extreme north-west of the British Isles, e.g. the Torridonian...calcium and oxygen may unite to form the mineral calcite: four elements, potassium, aluminium, silicon ...or pure limestone which may consist wholly of calcite (carbonate of lime). ~ Most of the more commonly...chlorite, serpentine ; (ec) carbonate of lime (calcite and aragonite), with magnesia (dolomite) ; (f) |  | | Book (edition) | | 134, adapted from “The Physiographic Provinces of North America’ by Wallace W. Atwood, 1940; pages 184-185...for them. Throughout large parts of Europe and North America, the more accessible ore bodies and oil...counter-clockwise as viewed from the direction of the North Star. The sun also rotates counter-clockwise on...direction of the magnetic meridians connecting the north and south magnetic poles, unless it is locally influenced...Throughout large areas and for long A section through North intervals the external processes have been dominant |  | | Book | | of the Great Plains to the chill of the arctic north, ranging thousands of horizontal miles in just a...when great continent-wide glaciers covered much of North America and Eurasia and smaller glaciers crept down...Limestone A sedimentary rock composed of the mineral calcite (CaCOg) Rhyolite Light-colored, very fine-grained...itself — a long, narrow anticline that extends from north of the Wyoming border to the southern slope of Pikes...as a result of America’s break with Europe, when North America began to drift westward, overriding the |  | | Book (edition) | | which occur as bedrock several tens of kilometers north of the island (i.e., the stones have been transported...coast; Snowplow in the Bonneville Basin, Utah; North Hampton Beach, New Hampshire; and Corney Brook campground...from each side of the laccolithic mountains in north central Montana. When collecting glacial stones...Boulder fields and boulder pavements, also called felsenmeer (German. for "sea of rock"), consist of angular...desert and tundra regions such as those in northern North America (including the Arctic Archipelago of Canada) |  | | Report (issue) | | ancient mountain range, the Great Smoky Mountains, North Carolina and Tennessee: American Journal of Science...Stone, J.O.H., 2005, The first glacial maximum in North America: Science, v. 307, p. 222, doi: 10.1126/science...the Mammoth Cave National Park area: Wurtzburg, Germany, Bohler Verlag, 69 p. Nishiizumi, K., Imamura,...G., 1998, Cosmogenic chlorine-36 production in calcite by muons: Geochimica et Cosmochimica Acta, v. 62...cosmogenic radionuclides, has been determined in calcite and clinopyroxenes. The development of new chemical |  | | Journal (article/letter/editorial) | | EN Nanisivik Fm. RA B Fault Mafic Dike M NORTH BYLOT TROUGH a A et Boothia Uplift Victor Bay...with a southern limit that way probably 200 km north of the Milne Inlet graben’s exposure area. Although... CROSS-LAMINATION CARBONATE MOUND DISCOIDAL CALCITE CONCRETIONS BLACK SHAL E RIBBON OR PARTED CARBONATE...00 1201 1202 ELIZABETH C. TURNER 84°W 80°W NORTH BYLOT TROUGH N ECLIPSE TROUGH BYAM MARTIN HIGH...history. The Milne Inlet graben is bounded to the north by the White Bay fault zone, a >200-km-long normal |  | | Journal (article/letter/editorial) | | occupying the valley of Loch Langavat, extends in a north-north-westerly direction from Loch Finsbay on the east...the islets studding the waters between Harris and North Uist. The rocks described here are confined to the...description. The principal minerals found by them were calcite, dolomite, forsterite, phlogopite, and diopside...a discontinuous belt of outcrops extending in a north-westerly direction from the small island of Vallay...large wedge-shaped mass of limestone seen on the north-eastern side of the small peninsula of Stuaidh at |  | | Book | | Newfoundland and Labrador Mistaken Point 46° 38’ 6” North 53° 12’ 40” West Textual Description of the Boundary...province, Newfoundland and Labrador—is situated in the North Atlantic Ocean, where the Gulf Stream and the Labrador...areas of weathered bedrock and boulder-grade felsenmeer can be found. The ground is uneven underfoot...one of the keystone forage fish species of the North Atlantic, which mass in huge shoals offshore from...property, especially along the coast from The Drook north to Portugal Cove South. The Mistaken Point barrens | | | Book | | LOESS RECORDS/North America PALEOCEANOGRAPHY PALEOCEANOGRAPHY, RECORDS/Late Pleistocene North Atlantic ... PALEOCEANOGRAPHY, RECORDS/Postglacial North Atlantic PALEOCLIMATE RECONSTRUCTION/Pliocene Environments...SEDIMENTS/Overview POLLEN RECORDS, LATE PLEISTOCENE/Western North America No part of this publication may be reproduced...UK Jurgen Ehlers Universitat Hamburg, Hamburg, Germany Henry Schwarcz McMaster University, Hamilton,...Alfred-Wegener-Institut fur Polar- und Meerforschung, Potsdam, Germany JT Andrews University of Colorado, CO, USA University |  | | Report (issue) | | Stuhini Group, between the Saddle South and Saddle North deposits. See Greig, C.J., Dudek, N.P., ver Hoeve...Tatogga property: Geologic framework for the Saddle North porphyry Cu-Au deposit and the Saddle South epithermal...rushes of the mid-1800s drew prospectors from across North America and Europe, opening up significant parts...Geochronology of northern Hogem batholith, Quesnel terrane, north-central British Columbia .........................surficial geology of the northern Hogem batholith area, north-central British Columbia ...................... |
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