 | | Journal (article/letter/editorial) |
| 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...graphite andesite volcano on Nuussuaq belongs to the Asuk Member of the Paleocene Vaigat Formation. It is...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 |
 | | Journal (article/letter/editorial) |
| 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...iron-bearing flow at Asuk, which is one of the earliest contaminated sequences in the West Greenland basalt province...Introduction The Tertiary volcanic province of Disko Island, West Greenland, which is one of the provinces of plateau |
 | | Journal (article/letter/editorial) |
| THS IN METALLIC IRON-BEARING BASALTS, DISKO ISLAND, GREENLAND Wrr,rrau G. MBr.soNeNo Gnoncp Swrrzrn Departmentof...C. Ansrnac:t Tertiary basalt flows from west Greenland commonly contain metallic iron and graphite. They...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...alloys which occur in some basalts from Disko rsrand, west Greenland. These basalts,in view of the abundanceof |
 | | Journal (article/letter/editorial) |
| AI-Armalcolite 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...ich armalcolite, iron metal, troilite and acid glass, and crystallized under higher oxygen fugacities |
 | | Journal (article/letter/editorial) |
| 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...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...grains disseminated in basalt from Asuk on the north coast of Disko, and his expedition of 1880 was even |
 | | Journal (article/letter/editorial) |
| 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 |
 | | Journal (article/letter/editorial) |
| 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 |
 | | Journal (article/letter/editorial) |
| Native Iron-Bearing Andesite at Asuk, Disko, Central West Greenland Asger Ken Pedersen* Research School...at the classical locality of Asuk (Fig. 1) on the north coast of Disko (Steenstrup, 1882). The sequence...gradation 1 Nicolau (1900) described a similar rock from Asuk as an andesite, and his nomenclature is continued...nomenclature of the native iron-bearing rocks from Disko will be discussed in a later paper 0010-7999/78/0067/0331/$02...o m Disko 332 Table 1. Chemical analyses of andesite and shale xenoliths from 5'3" ' ~ Asuk, northern |
 | 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) |
| 95)00433-5 of the glass spherules from the Paleocene flood basalt province of western Greenland ROBIN,’ NICOLA...in revised form November 30, 1995) Abstract-Glass spherules have been found in several Paleocene sandstone...in central Nuussuaq, western Greenland. These beds are a mixture of glass, smectite, and calcite with...with rare occurrence of graphite and metal. The glass varies from a basaltic to a basic-andesitic composition...correlated with Fe. The high Cu content of the glass and the nonmeteoritic IrlCu and Ir/Ni (or Ir/Co) |
 | | Journal (article/letter/editorial) |
| 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... olivine, and plagioclase, as well as silicate glass containing droplets of former Fe and troilite melt...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 |
 | Iacono-Marziano, Giada, Gaillard, Fabrice, Scaillet, Bruno, Polozov, Alexander G., Marecal, Virginie, Pirre, Michel, Arndt, Nicholas T. (2012) Extremely reducing conditions reached during basaltic intrusion in organic matter-bearing sediments. Earth and Planetary Science Letters, 357. 319-326 doi:10.1016/j.epsl.2012.09.052 | Journal (article/letter/editorial) |
| gas emissions carbon monoxide Siberian Traps Disko Island 1. Introduction Volcanic gases may have critically...carbonaceous rocks (crystallization 4.1. Disko Island, Greenland The first occurrences of native iron in...basaltic magmas were found at the island of Disko in central West Greenland (Nordenskjöld, 1872). Since then...native iron has been described in several basalts at Disko, associated with wustite, carbides and sulfides (Steenstrup...(Melson and Switzer, 1966; Pedersen, 1978, 1979b). Disko lavas belong to the Paleocene volcanic succession |
 | | Journal (article/letter/editorial) |
| 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 |
 | | Journal (article/letter/editorial) |
| 397407 (1979) 9 by Springer-Verlag 1979 Basaltic Glass With High-Temperature Equilibrated Immiscible Sulphide...Sulphide Bodies With Native Iron From Disko, Central West Greenland Asger Ken Pedersen Geologisk Museum...bodies show eutectic quench textures in a basaltic glass rock (rag=66) from a native iron-bearing dyke chilled...partition between olivine (rag = 83), silicate glass (rag--59) and sulphide blebs indicate that the phases...phases were equilibrated at 1,200~ Ovanadium(olivine/glass) is close to unity and reflect the reducing nature |
 | | Journal (article/letter/editorial) |
| Volcanic Rocks with Native Iron from Disko, Central West Greenland A.K. Pedersen Geologisk Museum, fOster...to daci~ic lavas from the Maligfit Formation on Disko contain an early phenocryst assemblage of plagioclase...ascent and solidification. Introduction The island of Disko is known for the largest and most varied occurrences...surface. Several iron-bearing volcanic rocks on Disko show evidence of a strong progressive reduction...solidus. However, recent field work in north-western Disko (Pedersen 1975, 1977a) has led to the discovery |
 | | Journal (volume) |
| VAASJOKI, On Basalt Rocks with Native Iron in Disko, West Greenland . . MAUNU HÄ.RME, A Zoned Skarn Dike in...used for this purpose. And when he tried to held a glass in a shaking hand hirnself, he became still more...2 ON BASALT ROCKS WITH NATIVE IR ON IN DISKO, WEST GREENLAND 1) BY O. VAASJOKI Department 0/ Geology...eharaeteristie of basalt roeks eontaining native iron in Disko island. The aBsoeiation of anorthositie eomponent with...formations in Disko area has been emphasized. A new analysis on iron basalt of Asuk area, Disko, has b een |
 | | Journal (volume) |
| VAASJOKI, On Basalt Rocks with Native Iron in Disko, West Greenland . . MAUNU HÄ.RME, A Zoned Skarn Dike in...used for this purpose. And when he tried to held a glass in a shaking hand hirnself, he became still more...2 ON BASALT ROCKS WITH NATIVE IR ON IN DISKO, WEST GREENLAND 1) BY O. VAASJOKI Department 0/ Geology...eharaeteristie of basalt roeks eontaining native iron in Disko island. The aBsoeiation of anorthositie eomponent with...formations in Disko area has been emphasized. A new analysis on iron basalt of Asuk area, Disko, has b een |
 | | Book |
| MINERAL SPECIES FffiST DESCRIBED fron1 GREENLAND Ole V. Petersen & Ole Johnsen Also in this series... MINE. RAL ....... SPECIES FIRST DESCRIBED froin GREENLAND Ole V. Petersen & Ole Johnsen The Canadian Mineralogist...organizations: The Commission for Scientific Research in Greenland Geologisk Museums St0ttefond (Geological Museum's...document on the minerals first discovered in Greenland. After all, as they point out in the first sentence...Introduction, a mere 26 kilometers separates Greenland from Canada along Nares Strait; we are neighbors |
 | | Journal (volume) |
| Umanaks og Uperniviks Distrikter samt paa Øen Disko (Isbræer, Basalt og tellurisk Jern) i 1878—80 ved...Ш. Beretning om en Undersøgelsesrejse til-Øen Disko i Sommeren 1898 af К. J. V. Steenstrup. (Hertil...Narsarsuk on the Firth of Tunugdliarfik in Southern Greenland by Gust. Flink. Introduction. In the summer...make charged logical of 1897 I visited South Greenland in order mineralogical by the and investigations... conducting with the geo- exploration of Greenland («Commissionen for Ledelsen af geologiske og |
 | Storey, M, Duncan, R.A, Pedersen, A.K, Larsen, L.M, Larsen, H.C (1998) 40Ar/39Ar geochronology of the West Greenland Tertiary volcanic province. Earth and Planetary Science Letters, 160 (3) 569-586 doi:10.1016/s0012-821x(98)00112-5 | Journal (article/letter/editorial) |
| (1998) 569–586 Ar=39 Ar geochronology of the West Greenland Tertiary volcanic province M. Storey a,Ł , R.A...K, Denmark d Geological Survey of Denmark and Greenland, Thoravej 8, DK-2400 Copenhagen NV, Denmark Received...Abstract Paleocene volcanic rocks in West Greenland and Baffin Island were among the first products of the...study shows that volcanism commenced in West Greenland between 60.9 and 61.3 Ma and that ¾80% of the...(rift). The timing of onset of volcanism in West Greenland coincides with the opening of the northern Labrador |
 | | Report (chapter) |
| 41 Geology and petroleum potential of the West Greenland – East Canada Province CHRISTOPHER J. SCHENK US...undiscovered oil and gas resources of the West Greenland–East Canada Province as part of the USGS Circum-Arctic...province lies in the offshore area between western Greenland and eastern Canada and includes Baffin Bay, Davis...for this study – the Eurekan Structures AU, NW Greenland Rifted Margin AU, NE Canada Rifted Margin AU,...volumes of undiscovered resources for the West Greenland–East Canada Province are 10.7 109 barrels of |
 | | Journal (article/letter/editorial) |
| 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; |
 | | Journal (article/letter/editorial) |
| gradational portion of the Ricetto rock, the amount of glass increases toward the core (paralava), whereas quartz...from the paralava melt, and set in a deep-brown glass (NPM 8); (d) quartz and feldspar relics beside vesicles...vesicles filled with calcite and silica-rich glass in the clinker (sample NPM 9). Note the strong similarities...radial mineral clusters surrounded by deep brown glass (Fig. 1), indicating in situ crystallization (quenching)...core of Ricetto body (NPM 8) and its interstitial glass are wollastonite- and larnite-normative (Table 1) |
 | | Journal (article/letter/editorial) |
| 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...composition the intragranular s&ate inebrsions Disko, was kindly loaned to us by the Mine~~~~ are enriched...indication of amount of pore material. ANDERSON and GREENLAND (1969) measured P distribution coefficients, DP...be useful. pyroxene and olivine (ANDERSONand GREENLAND, 3) Possibly the most important factor that could |
 | | Report (issue) |
| Undiscovered Oil and Gas Resources of the West Greenland-East Canada Province, 2008 Chapter J of The 2008...Fishing boat in the Ilulissat Icefjord, Disko Bay, West Greenland, which is about 250 kilometers north of...called Jakobshavn Isbrae) is a major outlet of the Greenland ice sheet. Photo by Flemming G. Christiansen,... Geological Survey of Denmark and Greenland. Geology and Assessment of Undiscovered Oil and Gas Resources...undiscovered oil and gas resources of the West Greenland-East Canada Province, 2008, chap. J of Moore, |
 | | Journal (article/letter/editorial) |
| peraluminous xenoliths preserve a high percentage of fresh glass, and, as such, identification of their protoliths...likely to form the basement just to the south of the island. The Moine rocks are probably underlain by high-grade...pockets of silicic partial melts, now quenched to glass. Aluminous xenoliths The aluminous xenoliths are...of mullite (3Al2O3.2SiO2) needles set in a clear glass; (2) cordierite buchites, consisting of small crystals...clear glass; (3) plagioclase-rimmed mullite buchites, consisting of a core of mullite-rich glass surrounded |
