 | Ladenburger, Sara, Marks, Michael A.W., Upton, Brian, Hill, Peter, Wenzel, Thomas, Markl, Gregor (2016) Compositional variation of apatite from rift-related alkaline igneous rocks of the Gardar Province, South Greenland. American Mineralogist, 101 (3) 612-626 doi:10.2138/am-2016-5443 | Journal (article/letter/editorial) | | alkaline igneous rocks of the Gardar Province, South Greenland Sara Ladenburger1, Michael A.W. Marks1,*, Brian...of the Mid-Proterozoic Gardar Province (South Greenland) are presented and compared to apatite compositions...AmMin/special-collections.html. The Gardar Province in South Greenland represents an uplifted and eroded continental...of a large anorthosite body underlying South Greenland (Bridgwater 1967; Bridgwater and Harry 1968)....complexes consist of syenites, nepheline syenites, alkali granites, gabbros, syenogabbros, and carbonatites |  | | Journal (issue) | | 3 PETROLOGY OFTHEPUKLEN SYENITEALKALI GRANITE COMPLEX, NUNARSSUIT, SOUTHGREENLAND BY IAN PARSONS WITH...3 PETROLOGY OFTHEPUKLEN SYENITEALKALIGRANITE COMPLEX, NUNARSSUIT, SOUTHGREENLAND BY IAN PARSONS WITH...FORLAG BOGTRYKKERI 1972 A/S Abstract The Puklen complex (PuLVERTAFT,1963} has been studied with a view...syenites and quartz-poor granites, a relatively large alkali granite body, and cross-cutting microgranites....The potassium-rich phase in the microperthitic alkali feldspars varies from dominant orthoclase in the |  | | Journal (article/letter/editorial) | | igneous complexes (syenites and granites) in South Greenland reflect evolving magma composition as well as...incorporate these elements and the effects of prolonged feldspar fractionation on the melt composition. Eu and...The crystallization history of the rocks is very complex so that trace element partitioning cannot be expressed...The Gardar Igneous Province (Fig. 1) in South Greenland represents a failed rift structure of MidProterozoic...igneous Gardar Province, South Greenland, with the three igneous complexes Puklen, Ilı́maussaq and Grbnnedal-Ika |  | | Journal (article/letter/editorial) | | Elsonian layered basic intrusions of the Nain Complex. One of these, a crudely layered mass which ranges...correlated with Gardar igneous activity in south Greenland. The petrogenesis of the peralkaline suite is...thermal event, and which subsequently experienced feldspar fractionation during crystallization. Introduction...been recognised in the Gardar Province of South Greenland (Emeleus and Upton 1976; Blaxland et al. 1978)...major plutonic association, termed the Nain Complex. This complex has intruded both Proterozoic (ca. 1,700-1 |  | | Journal (article/letter/editorial) | | VOL. 38, PP. 295-311 Distribution of potassium feldspar polymorphs in intrusive sequences IAN PARSONS...College, Aberdeen, AB9 IAS, Scotland SUMMARY. K-feldspar variation is described for four salic plutonic...Loyal), a peralkaline syenite and soda granite complex (Puklen), and a calc-alkaline pluton (Foyers). Additional...of the rock suites, the bulk composition of the alkali feldspars, grain size, or field relations. Early...minor bodies of microcline-bearing rocks. The K-feldspar variation may reflect increasing water content |  | Marks, Michael, Vennemann, Torsten, Siebel, Wolfgang, Markl, Gregor (2004) Nd-, O-, and H-isotopic evidence for complex, closed-system fluid evolution of the peralkaline Ilı́maussaq intrusion, south Greenland. Geochimica et Cosmochimica Acta, 68 (16) 3379-3395 doi:10.1016/j.gca.2003.12.008 | Journal (article/letter/editorial) | | 2003.12.008 Nd-, O-, and H-isotopic evidence for complex, closed-system fluid evolution of the peralkaline...peralkaline Ilı́maussaq intrusion, South Greenland MICHAEL MARKS,1 TORSTEN VENNEMANN,2 WOLFGANG SIEBEL,1 and...intrusion, South Greenland, indicate a closed system evolution of this igneous complex and support a mantle...anatexis. The Gardar Igneous Province in South Greenland is characterized by the occurrence of a number...studies on the silica-saturated to oversaturated Puklen complex in the western part of the Gardar Province |  | | Journal (article/letter/editorial) | | agpaitic dyke rock from the Gardar Province, South Greenland (contribution to the mineralogy of Il|¨ maussaq...similar to that of the neighbouring Ilõ´maussaq complex. Various mineral assemblages were used to reconstruct...The early magmatic phenocryst assemblage is alkali feldspar + nepheline + augite + olivine + magnetite...as a small equivalent of the larger Ilõ´maussaq complex, in which identical differentiation processes proceeded...agpaitic, closed-system fractionation, Ilõ´maussaq, Greenland. Introduction BASED on their molar (Na+K)/Al |  | | Journal (article/letter/editorial) | | chemistry of riebeckites of Massachusetts and Rhode Island PAUL C. LYONS t Boston University, College of Basic...hypersolvus granites of Massachusetts and Rhode Island. Riebeckites of southern New England are enriched...analyses 2, 6, 7, and 8) for riebeckites from the alkali granites of southern New England. Although early...granites of Massachusetts and Rhode Island is shown in fig. I. The alkali granite plutons of this area are...955). The alkali granites to the south are riebeckite granites; the Quincy Granite and the alkali granite |  | | Journal (article/letter/editorial) | | GEOLOGY OF TUGTUTOQ AND NEIGHBOURING ISLANDS, SOUTH GREENLAND PART I BY B. G. J. UPTO WlTH 21 FIGURES IN...GEOLOGY OF TUGTUTOQ AND NEIGHBOURING ISLANDS, SOUTH GREENLAND PART I BY B. G. J. UPTON WITH 21 FIGUR ES... . . . . . . . . . . . . . . . .. The Central Complex . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . .. Intrusion of Quartz Syenites and Alkali Granites of the Eastern Centre. . . .. The Perthositic...Microsyenite Dykes associated with the Central Complex . . . . . . . . . . . . . . . . .. Later Dykes |  | | Journal (article/letter/editorial) | | Alkaline series 1, composed of amphibolebearing alkali feldspar syenites with varied mafic mineralogy and quartz...quartz contents, from alkali feldspar syenites with calcic amphibole, clinopyroxene, olivine and allanite...allanite to alkali feldspar quartz syenites with sodic–calcic amphibole and chevkinite–perrierite and to...to alkali feldspar granites with sodic amphibole; (2) Alkaline series 2, characterized by amphibole-bearing...amphibole-bearing alkali feldspar granites, with limited modal variations but amphibole compositions also varying |  | Upton, B. G. J., Macdonald, R., Odling, N., Rämö, O. T., Bagiński, B. (2013) Kûngnât, revisited. A review of five decades of research into an alkaline complex in South Greenland, with new trace-element and Nd isotopic data. Mineralogical Magazine, 77 (4) 523-550 doi:10.1180/minmag.2013.077.4.11 | Journal (article/letter/editorial) | | decades of research into an alkaline complex in South Greenland, with new trace-element and Nd isotopic... The Kûngnât Complex (12751.8 Ma) in the Gardar Alkaline Province, South Greenland, cuts Archaean... The syenites are orthocumulates (cumulus alkali feldspar, olivine, pyroxene, titanomagnetite and apatite;...apatite; intercumulus phases include alkali amphibole, biotite, quartz and calcite). In the well dissected...layered sequence displays graded modal layering, feldspar lamination and cryptic layering. Modal layering |  | | Journal (article/letter/editorial) | | granites of the Papanduva Pluton, Morro Redondo Complex, one of the most important granitic occurrences...through more oxidizing (close to the FMQ buffer), alkali- (i.e. peralkaline), fluorine-, and 18O-rich conditions...granites of the Papanduva Pluton, Morro Redondo Complex, Graciosa Province (southernmost Brazil). These...186–199 2. Geological background The Morro Redondo Complex (Fig. 1) includes the Papanduva Pluton (~60 km2)...km2), made up of peralkaline alkali-feldspar granites, and the larger Quiriri Pluton, which consists of |  | Donoghue, E., Troll, V. R., Harris, C. (2010) Fluid-Rock Interaction in the Miocene, Post-Caldera, Tejeda Intrusive Complex, Gran Canaria (Canary Islands): Insights from Mineralogy, and O- and H-Isotope Geochemistry. Journal of Petrology, 51 (10) 2149-2176 doi:10.1093/petrology/egq052 | Journal (article/letter/editorial) | | in the Miocene, Post-Caldera, Tejeda Intrusive Complex, Gran Canaria (Canary Islands): Insights from Mineralogy...Gran Canaria host an 12 km diameter intrusive complex comprising a peralkaline, trachytic to phonolitic...mineral phases (e.g. aegirine, alkali-amphibole, analcime), (2) turbid alkali feldspars, and (3) hydrothermal...sheets from the central part of the intrusive complex, suggesting enhanced infiltration of relatively...immediately following solidification of the intrusive complex; (3) retrograde alteration related to the influx |  | | Journal (article/letter/editorial) | | of peralkaline granite dykes of the Straumsvola complex, western Dronning Maud Land, Antarctica Chris Harris1...and granite dykes formed by partial melting of alkali-metasomatised gneiss that surrounds the nepheline...be said to be agpaitic; such rocks contain rare alkali silicate minerals are much rarer than miaskitic...granites are the result of assimilation of crust by alkali basalt magma that starts off enriched in incompatible...same pressure; (3) fractional crystallization of alkali to transitional basalts, at high pressure (7–10 |  | | 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 |  | | Book | | org/details/geologyofgreenla0000unse Geology of Greenland ™~ i ~ j : . . — ; i ~ - : Arthur Escher...Geological Survey of Greenland 1976 Copyright © The Geological Survey of Greenland, Available from...from The Geological Survey of Greenland @Mster Voldgade 10 DK-1350 Copenhagen Denmark or through your bookseller...ae A/S, Odense 1976 Preface Geology of Greenland aims to provide a concise modern account of...geology. A large part of the exposed bedrock in Greenland is formed of Precambrian crystalline rocks with | | | Book | | org/details/geologyofgreenla0000unse Geology of Greenland = ~ Geology of sreenland Arthur Escher ...Geological Survey of Greenland 1976 Copyright © The Geological Survey of Greenland, Available The from...DK-1350 Denmark or through ISBN 1976 Survey of Greenland 10 Copenhagen your bookseller 87-980404—0-5S... Fabrik A/S, Odense Preface Geology of Greenland aims to provide a concise modern account...geology. A large part of the exposed bedrock in Greenland is formed of Precambrian crystalline rocks with |  | | Book | | history of the Adirondacks as an anorogenic magmatic complex J. McLelland 287 An essay on metamorphic path...Institute, No.41, 1935), ‘Petrology of the Archean Complex of the Aldan Platform’ (Trans. Central Geological...Ilm: enstatite epidote eastonite forsterite alkali feldspar gedrite graphite garnet hematite hydromica...magnetite—ilmenite (Lindsley, 1963), two-feldspar (Ryabchikov, 1965) and nepheline-feldspar (Perchuk, 1965) geothermometers...has not been widely applied to petrology due to complex techniques of mass-spectrometric analyses and mineral |  | | Report (issue) | | Massachusetts. Three papers deal with the geology of alkali plutonic-volcanic areas in Massachusetts and New... Lyons and Harold W. Krueger Ayer Crystalline Complex at Ayer, Harvard, and Clinton, Massachusetts ee...R.) Re-evaluation of the Salem gabbro-diorite complex, Mass. [abs.]: Geol. Soc. America Spec. Paper 76...alkalic granite of eastern Massachusetts and Rhode Island and another on a chemically related volcanic sequence...of the structural evolution of the Blue Hills complex. Two papers deal with recent biostratigraphic work |
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