 | | 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) |
| 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) |
| PLAGIOCLASE-SPINEL-GRAPHITEXENOLITHS IN METALLIC IRON-BEARING BASALTS, DISKO ISLAND, GREENLAND Wrr,rrau...C. Ansrnac:t Tertiary basalt flows from west Greenland commonly contain metallic iron and graphite. They... rose-colored spinel and rarely corundum are included in these basalts on Disko Island. The xenoliths...oI graphite and in the composition of the spinel. The spinel has n:1.747 +0.001, o:8'119+0.002 and D:3...gave Mg : 13 and Fe:8.9/6. These data indicate a spinel with composition about spzaHezz.This unusually |
 | | 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...Since the first major description of native iron on Disko by Nordenskj61d (1870) a large number of theories |
 | | 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) |
| Native Iron-Bearing Andesite at Asuk, Disko, Central West Greenland Asger Ken Pedersen* Research School...suggests that C r was a c c e p t e d into the spinel structure as C r 3 +, despite the r e d u c e d...s k o in W e s t G r e e n l a n d are rich in spinel xenocrysts * P e r m a n e n t address." Geologisk...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 |
 | | 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) |
| 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...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...Sample Description Ulv6spinel, F%TiO4, an inverse spinel, is a common mineral in strongly reduced magmatic |
 | 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,...Fe-bearing basalts and andesites in the Nuussuaq and Disko area. This origin is further supported by the high...the sequence of lavas on Disko, the Asuk Member of the Vaigat Formation. The Asuk Member is highly unusual...siderophile elements (K&k et al., 1986). The Abraham-Asuk correlation was made on the basis of the occurrence |
 | | 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 |
 | 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) |
| 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 |
 | | 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 (volume) |
| VAASJOKI, On Basalt Rocks with Native Iron in Disko, West Greenland . . MAUNU HÄ.RME, A Zoned Skarn Dike in...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...reddish spinel as an indieator of iron bearing basalts and related metalliferous formations in Disko area...emphasized. A new analysis on iron basalt of Asuk area, Disko, has b een represented. CONTENT Page INTRODUCTION |
 | | Journal (volume) |
| VAASJOKI, On Basalt Rocks with Native Iron in Disko, West Greenland . . MAUNU HÄ.RME, A Zoned Skarn Dike in...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...reddish spinel as an indieator of iron bearing basalts and related metalliferous formations in Disko area...emphasized. A new analysis on iron basalt of Asuk area, Disko, has b een represented. CONTENT Page INTRODUCTION |
 | | Report (issue) |
| 23/02/07 13:16 Page 1 The PGE potential in Greenland No. 8 - February 2007 GO_08.qxp 23/02/07 ...potential in Greenland The potential for Platinum Group Element (PGE) resources in Greenland is clear and...Palaeogene environments. The PGE potential in Greenland attracted interest already in the 1960s and has...1970s . The corporate interest in PGE targets in Greenland was initiated by Kryolitselskabet Øresund in the...and was related to a suite of norites in West Greenland. Platinomino A/S was established in 1968 to search |
 | | Journal (volume) |
| denne Bugt saae til som , forhindrede her ved Disko-Bugten ikke naae overalt nogen betydehg Højde...Bølgerne, at slaaes herfra tilbage i om og Disko Bugten er en stærk Bevægelse, og store Stykker...blevet kaldet «Island", fordi læiiderne benævne dette Steds Navn. det danske Island ed et Umn-...som f. og Isbedækning, og, ^) ^) «Danish Greenland, vil its kun paa enkelte sig Grønland, sees...blottet derved, Snelaget, 38.7, kun Steder paa Disko har jeg endvidere havt Lejlighed iagtttage Snelagets |
 | | Journal (article/letter/editorial) |
| mantle plume osmium isotope signature from West Greenland Tertiary picrites Bruce F. Schaefer *, Ian J....Nuussuaq Peninsula and Qeqertarssuaq (Disko) Island, West Greenland, preserve trace element and isotopic...Crustally contaminated basalts within the West Greenland sequences possess Os and Nd isotopic signatures...head compositions and two discrete types of West Greenland continental crust. One crustal component is of...Hawaiian magmatism. Therefore, portions of the West Greenland continental flood basalt province arguably represent |
 | | Journal (article/letter/editorial) |
| selvages of plagioclase, corundum and aluminous spinel. The plagioclase is highly calcic (up to An87)...likely to form the basement just to the south of the island. The Moine rocks are probably underlain by high-grade...by numerous tiny crystals of Fe-rich pleonaste spinel, ilmenite, and new biotite crystals set in K-feldspar-bearing...Garnet porphyroblasts are replaced by a mixture of spinel, magnetite–ilmenite and alkali feldspar. Such evidence...and biotite. Aggregates of ilmenite–magnetite and spinel may also represent sites of former garnet porphyroblasts |
 | | 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 (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 |
 | | Journal (article/letter/editorial) |
| Compositions from a database of close to 5000 chrome-spinel analyses show a broad range in chemistry. The major...post-deposition alteration processes. The Murray Basin chrome-spinel database has the potential to be used in interpreting...chrome-spinels from the ilmenite. K EY WORDS : chrome-spinel, Murray Basin, ilmenite concentrates, Australia...principle it should be possible to separate the chrome-spinel grains from the ilmenite grains by physical concentration...dif®cult because the physical properties of the chrome-spinel grains (e.g. speci®c gravity, conductivity and |
 | | Journal (issue) |
| 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 |
 | Lightfoot, Peter C., Hawkesworth, Christopher J., Olshefsky, Kevin, Green, Tony, Doherty, Will, Keays, Reid R. (1997) Geochemistry of Tertiary tholeiites and picrites from Qeqertarssuaq (Disko Island) and Nuussuaq, West Greenland with implications for the mineral potential of comagmatic intrusions. Contributions to Mineralogy and Petrology, 128 (2) 139-163 doi:10.1007/s004100050300 | Journal (article/letter/editorial) |
| picrites from Qeqertarssuaq (Disko Island) and Nuussuaq, West Greenland with implications for the mineral...basalts on Qeqertarssuaq and Nuussuaq in West Greenland contain 3 km of picrites and variably contaminated...Noril'sk, the contaminated (low Cu and Ni) West Greenland basalts are in isolated units with no evidence...of metals were scavenged by sulphides in West Greenland, the metal contents of the sulphides may not have...Qeqertarssuaq (formerly Disko Island) and Nuussuaq (the Nuussuaq Peninsula) in West Greenland Fig. 1 Tectonic |
 | | Journal (article/letter/editorial) |
| Wörner et al. (1982) noted a breakdown assemblage of spinel-cordierite-sillimanite on the basis of X-ray diffraction...diffraction analysis. Apart from the spinel, it is difficult to optically resolve the other phases that...biotite, chloritoid, tourmaline, zircon, apatite, spinel, ilmenite, rutile, and graphite. A colourless glass...cleavage planes and margins of muscovite contains spinel and needles of Al-silicate. Optically, biotite...presence of fine magnetite and possibly pleonaste spinel indicative of oxidation during dehydroxylation |
