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| THEUIVFAQDIKEANDRELATED HYBRID DIKESFROMSOUTHERN DISKO, WESTGREENLAND FJELD RELATIONS BY ERLING FUNDAL...THEUIVFAQDIKEANDRELATED HYBRID DIKESFROMSOUTHERN DISKO, WESTGREENLAND FIELD RELATIONS BY ERLING WITH...geological and magnetic study of the Uivfaq locality in southern Disko, which is known for its large boulders...closely related to the Uivfaq dike. The dike has the same strike and dip as the Uivfaq dike and also contains...exposed at several places in southern and central Disko, leaves the gneiss at Kitdlit and continues northwards |
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| 1966 PLAGIOCLASE-SPINEL-GRAPHITEXENOLITHS IN METALLIC IRON-BEARING BASALTS, DISKO ISLAND, GREENLAND Wrr...C. Ansrnac:t Tertiary basalt flows from west Greenland commonly contain metallic iron and graphite. They...(Lovering, 1964). Xenoliths composed mainly of plagioclase (Anzo-zu), graphite, rose-colored spinel and...rarely corundum are included in these basalts on Disko Island. The xenoliths are remarkably similar to reconstituted...graphite, particularly in an environment such as Disko, where active reduction of ferrous iron to iron |
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| SCHREIBERSITE, AND SULPHIDES FROM TERTIARY BASALTS ON DISKO, GREENLAND By HANS PAULY* Abstract. In a short historic...the essential features of the iron occurrences on Disko. Tiny grains of iron are found scattered through..."white cast iron nature" of the massive iron from Uivfaq so often described in the literature. From the...for more than 100 years from the west coast of Greenland (BØGGILD, 1953). FORCHHAMMER (1854) described...It was collected at Niakornak, east of Disko, on the Greenland mainland (see map fig. 1). FORCHHAMMER |
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| maeses found in bsatSc rocks at Uivfrsq, Disko Island, West Greenland, Electron microprobe studies have shown...in the basic igneous rocks at Uivfaq, on Disko Island, West Greenland, large cohenite grains were identified...carbide (cementite) in the metallic masses from Disko Island but it would appear that the most recent workers...9 75.6 65-7 50-6 Tewe&rid cohenite {U&&q, Disko Island) Aaicnlar f Fe Ni co c P MI3 cr V Ti...setting of metallic iron-bearing rocks of Disko Island, West Greenland was given by STEENSTRUP(1884). $lore |
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| incIusions in natural ironing alloy, Risk0 Island, Greenland Department ofC&ological S&en- Corndl University...reduced by teixstrial standards occur on Disko Island, West Greenland. These IQ& arc the products of SFaction...iron-carbon alloy, from Uivfaq, In b&k composition the intragranular s&ate inebrsions Disko, was kindly loaned...10 represents 1.2.4.6.8 composition 9 minus plagioclase end ulvospinet. liquids in which phosphoran olivine...of intragranular silicate inclusions in the 5 kg Uivfaq iron boulder. The inclusions contain dendritic |
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| elements in natural metallic iron from Disko Island, Greenland* W. Kli~ck 1, H. Palme 1, and H.J. Tobsehall...natural metallic iron on Earth is on the island of Disko, Greenland. Metallic iron is found there in a variety...upper mantle of the Earth, a mantle origin for the Disko metals can also be ruled out. This supports earlier...meteorites. Since Nordenski61d's expedition to Greenland in 1870, the existence of large lumps (several... tons) of metallic iron is known from the island of Disko (Nordenski61d 1872). Metallic iron is also |
 | Robin, Eric, Swinburne, Nicola H.M., Froget, Laurence, Rocchia, Robert, Gayraud, Jérôme (1996) Characteristics and origin of the glass spherules from the Paleocene flood basalt province of western Greenland. Geochimica et Cosmochimica Acta, 60 (5) 815-830 doi:10.1016/0016-7037(95)00433-5 | Journal (article/letter/editorial) |
| the Paleocene flood basalt province of western Greenland ROBIN,’ NICOLA H.M. SWINBURNE,*.* LAURENCE FROGET...Paleocene sandstone beds in central Nuussuaq, western Greenland. These beds are a mixture of glass, smectite,...associated with resorbed silicate crystals (plagioclase, pyroxene, and olivine) and partly oxidized metal-sulphide...Fe-bearing basalts and andesites in the Nuussuaq and Disko area. This origin is further supported by the high...particularly striking unit within the sequence of lavas on Disko, the Asuk Member of the Vaigat Formation. The Asuk |
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| case study of the Hanekammen Complex on Disko Island, West Greenland FINN ULFF-M.~LLER Geologisk Museum,...DISCOVERY cast (NORDENSIUOLD, 1872) the native iron Disko Island, West much attention. ironbearing volcanic rocks...types of metallic iron from a dyke at Uivfaq on south Disko Island petrographically and by microprobe....trace element study of Ni-rich iron spherules from Uivfaq and of two andesitic rocks with dispersed Ni-poor...contaminant in many other contaminated sequences on Disko Island. which represent equilibrated shale (PEDERSEN |
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| sedimentcontaminated Tertiary volcanics from Disko Island, Greenland Cyrena Anne Goodrich* and P. Jonathan Patchett...sedimentcontaminated Tertiary volcanics from Disko Island, Greenland. Lithos, 27:13-27. Nd and Sr isotopic data...for metallic iron-bearing volcanics from Disko Island, Greenland. These rocks are the products of contamination...the earliest contaminated sequences in the West Greenland basalt province, can be modelled as a simple mixture...Introduction The Tertiary volcanic province of Disko Island, West Greenland, which is one of the provinces of plateau |
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| Sulphide Liquids from a Basaltic Dyke on Disko, Central West Greenland by FINN ULFF-M0LLER Geologisk Museum...ledge in the sediment-contaminated Kitdlit dyke on Disko. The lens displays a mineralogical diversity and...implications. INTRODUCTION The Lower Tertiary West Greenland Basalt Province (Clarke & Pedersen, 1976) is famous...iron-bearing volcanic rocks on Disko island. Theories for the origin of the 'Disko iron' include (a) meteorite...et al, 1981). The extensive literature on the 'Disko iron' (reviewed by Sjogren, 1916; B0ggild, 1953; |
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| graphite andesite volcano, Nuussuaq, central West Greenland Asger Ken Pedersen a,⁎, Lotte Melchior Larsen...Copenhagen K, Denmark Geological Survey of Denmark and Greenland, Øster Voldgade 10, DK 1350 Copenhagen K, Denmark...chemically similar subaerial lavas and breccias from Disko and Nuussuaq contain less graphite and more iron...Graphite; Volcano; Paleocene; Nuussuaq Basin; Greenland 1. Introduction ⁎ Corresponding author. Tel...Nuussuaq Basin in central West Greenland and in particular the island of Disko is known for its large and |
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| pyrrhotite, chalcopyrite, olivine, pyroxene, biotite, plagioclase, apatite. Distribution: A few localities for...kimberlite pipe, Sakha, Russia. On Disko Island, near Uivfaq and Kitdlı̂t, Greenland. At the Mooihoek Farm, Lydenburg |
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| mudstone xenoliths with native iron from Disko, central West Greenland A.K. Pedersen a and J.G. Ronsbo 2 1...with native iron from the A s u k M e m b e r on Disko contain Ti oxides which are oxygen deficient relative...recorded a m o n g native iron bearing rocks from Disko. The extremely reducing conditions were met in rocks...heretofore been reported as a mineral. On the island o f Disko rutile is widespread in the iron metal bearing...within the native iron bearing volcanic rocks on Disko. This p a p e r describes the p e t r o g r a p |
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| of These Assemblages in Basalts from Ovifak, Greenland, and Biihl, Federal Republic of Germany Olaf Medenbach...Kassel (West Germany) and Ovifak on Disko Island (West Greenland). The typical assemblage of these xenoliths...cohenite, ulv6spinel, ilmenite, olivine, and plagioclase, as well as silicate glass containing droplets...near Kassel, West Germany, and Ovifak (Disko Island), West Greenland. The origin of these iron xenoliths...native-ironbearing acid volcanic rocks from the NW Disco island, approximately 100 km north of the classical Ovifak |
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| and Native Iron in a Lava From Asuk, Disko, Central West Greenland Asger Ken Pedersen Geologisk Museum...enclosed in basalt in a native iron bearing lava from Disko is similar in chemistry, apart from volatile components...Tertiary carbonaceous shale sediments from West Greenland, believed to have been the major contaminant and...formation of the native iron in the volcanic rocks on Disko. The shale buchite has preserved original sedimentary...an assemblage of cordierite, low Ca-pyroxene, plagioclase, ilmenite, ferropseudobrookite-rich armalcolite |
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| basalts and magnesian andesites from Di ko, West Greenland by Asger Ken Pedersen KØBENHAVN 1985 Grønlands...kr.12O.00 Greenland. 1980 by J. M. Hurst. O. 139 Triassic Iithostratigraphy of ast Greenland between Scoresby...and faunas on the north coast of Ogssuaq, West Greenland. 1981 by Leifur A. Sfmonarson. D.kr. 160.00 o...graptolites from Washington Land, we tem orth Greenland. 1981 by M. Bjerreskov. D.kr. 11200 o. 143 Stratabound...mineralisation in the Permo-1iiassic af central Bast Greenland. 1982 by B. Thomassen, L. B. Oemmensen & H. K |
 | TREIMAN, Allan H., LINDSTROM, David J., SCHWANDT, Craig S., FRANCHI, Ian A., MORGAN, Matthew L. (2002) A “mesosiderite” rock from northern Siberia, Russia: Not a meteorite. Meteoritics & Planetary Science, 37. doi:10.1111/j.1945-5100.2002.tb00898.x | Journal (article/letter/editorial) |
| community, unlike similar metal-bearing basalts from Greenland (Goodrich and Bird, 1985; KlOck et al., 1986)...pigeonite Average augite Average plagioclase Most calcic plagioclase 33.79 0.04 0.01 0.01 46.25 0.42...microprobe). Abbreviations are 01, olivine; PI, plagioclase; Px, pyroxene (exsolved pigeonite); Au, augite;...silicate, here rich in olivine. (b) Basaltic clast. Plagioclase euhedra to 2 x 1 mm. Rounded olivine grains enclosed...oxides/ hydroxides. (c) Basaltic clast. Masses of plagioclase laths -200.um long by -50.um wide (dark). Spiky |
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| STRUCTURAL STUDIES IN THE PRE-CAMBRIAN OF WESTERN GREENLAND III SOUTHERN SUKKERTOPPE DISTRICT BY ASGER...STRUCTURAL STUDIES IN THE PRE-CAMBRIAN OF WESTERN GREENLAND III SOUTHERN SUKKERTOPPEN DISTRICT BY ASGER...Struetural Studies in the Pre·Cambrian of Western Greenland. 5 lite metamorphism ean be matched with the...under the auspicies of the Geological Survey of Greenland (GGU) within the Southern Sukkertoppen district...mapping on the behalf of the Geological Survey of Greenland (GGU). This mapping was continued in 1953 and |
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| apparently associated with basalts at Disko Island, West Greenland, Daubr6e took part in the subsequent...bronzite ((Mg,Fe)SiO3); and, although rare, (3) plagioclase feldspars, ranging in composition from anorthite...This view changed following an expedition to Greenland in May 1870, led by the Finnish geologist, mineralogist...(1832-1901). Since 1818 previous explorers of Greenland had noted that the indigenous population used...find at Fortune Bay on Disko Island (located off the west coast of Greenland at approximately latitude |
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| Sulphide Bodies With Native Iron From Disko, Central West Greenland Asger Ken Pedersen Geologisk Museum...occurrence of strongly Ni-depleted reduced basalts on Disko shows that fractionation of metal and sulphides...iron-bearing volcanic rock units in Disko and Nfigssuaq, Central West Greenland. Sulphide blebs with native iron...(Nichiporuk et al., 1967). The glassy dyke rock from Disko to be described below provides an example of basalt...dyke) a native iron-bearing basaltic dyke in South Disko (Fig. 1), and Pedersen (1977) made additional observations |
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| Volcanic Rocks with Native Iron from Disko, Central West Greenland A.K. Pedersen Geologisk Museum, fOster...Maligfit Formation on Disko contain an early phenocryst assemblage of plagioclase, low-Ca pyroxene(s) and...ascent and solidification. Introduction The island of Disko is known for the largest and most varied occurrences...occurrences at Hammers Dal (Ulff-Moller 1977) and Uivfaq (Nordenski61d 1870; Steenstrup 1875; L6fquist and...surface. Several iron-bearing volcanic rocks on Disko show evidence of a strong progressive reduction |
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| quantities of minerals have been sent home from Greenland. These minerals originate from different sources...material has naturally been collected in East Greenland by the numerous expeditions of later years, whereas...increase the size of the hook. As far as West Greenland is concerned, the geological conditions are rather...peninsulas of Svartenhuk and ugssuaq and the island of Disko, is built up of plateau basalt, several km...which chiefly occur in the southernmost part of Greenland. As elsewhere, the occurrences of minerals in |
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| Narssarssuk, Greenland. Photo by R. Bode. TITLE PAGE: The most common mineral in Greenland: ice —making...up the typical Arctic icebergs, ubiquitous in Greenland waters; photo by B. L. Nielsen. This special...AMMASSALIK (ANGMAGSSALIK) GEOLOGICAL MAP OF GREENLAND NUUK (GODTHAB) PAAMIUT (FREDERIKSHAB) ARSUK...Paleozoic and Mesozoic North Greenland platform and fold belt East Greenland Caledonian fold belt P rote...Archaean i 500 km i i i i PREFACE Throughout Greenland there are many interesting mineral localities |
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| (Ca,A1,Si), jadeite (Na) and orthoclase (K). Plagioclase was analysed with a 5 ~tm beam; all other phases...texture. Metallic Fe-Ni and troilite (white), plagioclase (dark gray), orthopyroxene and diopside (medium...bar at lower left is 10 ~tm in length, pl = plagioclase; ol = olivine; opx = orthopyroxene; di = diopside...10-20 ~tm size grains of olivine, pyroxene and plagioclase. Metallic Fe-Ni, troilite and chromite occur...principally of olivine, orthopyroxene, diopside and plagioclase, forming a hypidiomorphic-granular texture (Fig |
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| Paleocene Picrites and Flood Basalts on Disko and Nuussuaq, West Greenland LOTTE M. LARSEN1* AND ASGER K. PEDERSEN2...PEDERSEN2 1 GEOLOGICAL SURVEY OF DENMARK AND GREENLAND (GEUS), STER VOLDGADE 10, DK-1350 COPENHAGEN...rift-related Paleocene volcanic succession in West Greenland comprises voluminous picrites (the Vaigat Formation)...stratigraphy for the c. 3 km combined succession on Disko and Nuussuaq has been established that provides...similar to the source for the E-type lavas on Baffin Island may be present in the earliest rocks. Melting took |
