 | | Journal (article/letter/editorial) | | thin basaltic intrusive sheets in south-eastern Iceland consist in cross-section of a porphyritic central...basaltic intrusive sheets in the Austurhorn area of southeastern Iceland (Fig. 1) are characterized in cross-section...form part of the Tertiary lava pile of eastern Iceland (Walker, 1964). On the east side of Vikurfjall...and a variety of hybrid rocks. This is the Austurhorn intrusion, first noted by Thoroddsen (1896), and described...rocks have been " baked " by the nearby Austurhorn intrusion (Blake, 1966). The porphyritic sheets are |  | | Journal (article/letter/editorial) | | Constraints from the Basal Complex of the Austurhorn Intrusion (SE Iceland) DEPARTMENT OF EARTH SCIENCES, INSTITUTE...ACCEPTED JULY 14, 2014 TheTertiary Austurhorn intrusive complex in SE Iceland represents an exhumed magma chamber...magma mixing and mingling.The basal part of the intrusion consists predominantly of granophyres that have...association of granophyres, basic and hybrid rocks at Austurhorn is referred to in the literature as a ‘net-veined’...formation of different generations of hybrid rocks at Austurhorn. The complexity of the mixing and mingling processes |  | Padilla, A. J., Miller, C. F., Carley, T. L., Economos, R. C., Schmitt, A. K., Coble, M. A., Wooden, J. L., Fisher, C. M., Vervoort, J. D., Hanchar, J. M. (2016) Elucidating the magmatic history of the Austurhorn silicic intrusive complex (southeast Iceland) using zircon elemental and isotopic geochemistry and geochronology. Contributions to Mineralogy and Petrology, 171 (8) doi:10.1007/s00410-016-1279-z | Journal (article/letter/editorial) | | magmatic history of the Austurhorn silicic intrusive complex (southeast Iceland) using zircon elemental...Heidelberg 2016 Abstract The Austurhorn intrusive complex (AIC) in southeast Iceland comprises large bodies...Roy M. Huffington Department of Earth Sciences, Southern Methodist University, Dallas, TX, USA model temperatures...constructed by multiple short-lived magmatic intrusion events occurring closely spaced in time, allowing...13 69 Page 2 of 21 Keywords Iceland · Silicic magmatism · Austurhorn · Zircon · Geochemistry · Isotopic |  | | Journal (article/letter/editorial) | | of Evolved Basalts and Rhyolites at Austurhorn, Southeastern Iceland: the Role of Fractional Crystallization...April 1992) ABSTRACT The Austurhorn intrusive complex in southeastern Iceland represents the evolved hypabyssal...volcano. The complex consists of a layered gabbro intrusion, a composite granophyric stock, and abundant mafic...the genesis of evolved basalts and rhyolites in Iceland that are difficult to infer from studies of only...Major and trace element variations throughout the Austurhorn suite are consistent with fractional crystallization |  | | Journal (article/letter/editorial) | | AMSTERDAM K-Ar AGES OF THE OLDEST EXPOSED ROCKS IN ICELAND S. MOORBATH Department of Geology and Mineralogy...The University Research Institute, Reyk/avik, Iceland and R. GOODWIN Department of Geology and Mineralogy...oldest exposed lavas in Iceland. The mean values are 12.5 + 0.2 m.y. for eastern Iceland and 16.0 4- 0.3 m...m.y. for northwestern Iceland, or Middle Miocene. The significance of these ages is discussed in relation...production. Several additional age determinations from Iceland are presented which supplement and confirm previously |  | | Journal (article/letter/editorial) | | Thirteen million years of silicic magma production in Iceland: Links between petrogenesis and tectonic settings...Institute of Earth Sciences, University of Iceland, 101 Reykjavik, Iceland a r t i c l e i n f o Article history:...Off-axis volcanism Iceland a b s t r a c t The origin of the Quaternary silicic rocks in Iceland is thought...consistent model for silicic magma formation in Iceland and to constrain the link between tectonic settings...Rift Zone, between 7 and 5.5 Ma. In the South Iceland Volcanic Zone (SIVZ), the intermediate Nd-signature |  | Batki, Anikó, Pál-Molnár, Elemér, Jankovics, M. Éva, Kerr, Andrew C., Kiss, Balázs, Markl, Gregor, Heincz, Adrián, Harangi, Szabolcs (2018) Insights into the evolution of an alkaline magmatic system: An in situ trace element study of clinopyroxenes from the Ditrău Alkaline Massif, Romania. Lithos, 300. 51-71 doi:10.1016/j.lithos.2017.11.029 | Journal (article/letter/editorial) | | Săndulescu, 1984) of the Alpine– Carpathian–Dinaric region (Fig. 1a) and intrudes the Variscan metamorphic...also occurs together with subordinate chlorite, epidote, magnetite and calcite, seldom CE clearly reflecting...of the Massif Central (Wass, 1979) and the Eifel region (Duda and Schmincke, 1985); from basanites of the...green-core clinopyroxenes in Pliocene basanite, southern Slovakia. Lithos 28/2, 133–150. Dobosi, G., Schultz-Güttler...of evolved basalts and rhyolites at Austurhorn, southeastern Iceland: the role of fractional crystallization |  | Sami, Mabrouk, Adam, Munir M. A., Lv, Xinbiao, Lasheen, El Saeed R., Ene, Antoaneta, Zakaly, Hesham M. H., Alarifi, Saad S., Mahdy, Nasser M., Abdel Rahman, Abdel Rahman A., Saeed, Adil, Farahat, Esam S., Fathy, Douaa, Ali, Shehata (2023) Petrogenesis and Tectonic Implications of the Cryogenian I-Type Granodiorites from Gabgaba Terrane (NE Sudan) Minerals, 13 (3) 331 doi:10.3390/min13030331 | Journal (article/letter/editorial) | | granitoids, especially those that occupied the southern parts of the Gabgaba Terrane. Recently, Saeed...melting of subductionmodified materials. In the southern tip of the Gabgaba Terrane (Haweit area), older...belongs to the Gabgaba Terrane and located in the southern part of the HSZ (Figure 1B). The area is covered...widely distributed in many countries located in the region surrounding the Red Sea, including Sudan, Yemen...succession of multicolored gneisses, followed by the intrusion of basic and intermediate rocks. A series of syn- |  | | Journal (article/letter/editorial) | | similar to those of the Xiong’er Group in the southern margin of the North China Craton (NCC), Journal...setting The eastern Qinling orogen comprises the southern margin of the NCC to the al north and the Qinling...rn Luonan-Luanchuan Fault (LLF) (Fig.1). The southern margin of the NCC is bounded Jo u by the Sanmenxia-Lushan...volcanic-dominated rocks are a distinct geological unit on the southern margin of the NCC with an area of more than 60...across the eastern Qinling orogen revealed that the southern margin of the NCC have Journal Pre-proof underthrusted |  | Cambeses, A., Montero, P., Molina, J.F., Hyppolito, T., Bea, F. (2019) Constraints of mantle and crustal sources and interaction during orogenesis: A zircon SHRIMP U-Th-Pb and O isotope study of the ‘calc-alkaline’ Brovales pluton, Ossa-Morena Zone, Iberian Variscan Belt. Lithos, 324. 661-683 doi:10.1016/j.lithos.2018.11.037 | Journal (article/letter/editorial) | | profile across the northern SPZ, PLZ, OMZ and southern CIZ (Fig. 1A; Simancas et al., 2003). The IRB...4B) and apatite, zircon, magnetite, allanite and epidote as accessories. The rocks are AC generally medium...Miocene volcanic rocks form Carpathian-Pannonian Region (East-Central Europe) (e.g., Lukács et al., 2018...the reverse zonation and suggests a diachronic intrusion of magma batches of the main units of the pluton...same SHRIMP U-Th-Pb age CE of 340±2 Ma. The intrusion of the Brovales Pluton occurred during a Variscan |  | Shruti, V.C., Jonathan, M.P., Rodríguez-Espinosa, P.F., Nagarajan, R., Escobedo-Urias, D.C., Morales-García, S.S., Martínez-Tavera, E. (2017) Geochemical characteristics of stream sediments from an urban-volcanic zone, Central Mexico: Natural and man-made inputs. Geochemistry, 77 (2) 303-321 doi:10.1016/j.chemer.2017.04.005 | Journal (article/letter/editorial) | | to moderate weathering conditions in the source region. Based on the provenance discrimination diagrams...to felsic volcanic rocks dominated in the study region. Metal contamination indices highlight the enrichment...depositional environment and sources of pollution in the region (Calvert et al., 2001; Glasby et al., 2004; Naimo...2.2. Geological setting Geologically, Tlaxcala region belongs to “Tlaxcala Block” consisting of Tertiary...of the volcanoes (Siebe and Macías, 2004). The region is also fed by a number of small springs, which |  | | Book | | activity at the present day 2 Volcanism 24 3 Intrusion 66 4 Melting and crystallization 121 5 Distribution...the present day At divergent plate boundaries Iceland Submarine eruptions 5 not seen At convergent...Philippines-Sulawesi South-west Pacific New Zealand Sumatra-Java Southern Italy 4 17 42 7 20 15 29 16 15 52 13 24 12 Oceanic...were injected into one another. OCEANIC ISLANDS Iceland is the only active volcanic island to be situated...example Ascension Island and the Galapagos Islands). Iceland is entirely oceanic in character; there is no reason |  | | Report (issue) | | The Cu-Ni sulphide ore deposits of the Sudbury region have been known to contain PGE since the discovery...disseminated sulphide ores of the Noril’sk-Taimyr region are described in detail by Komarova et al. They...PGE mineralization in the Monchegorsk layered intrusion (Kola Peninsula, Russia). Exploration activity...the Platinova Reefs in the classic Skaergaard Intrusion. Johan describes several PGE-bearing deposits...of Pd, Pt, Au, Ag and Hg minerals in the Pilbara region of Western Australia. Canadian Mineralogist, 40 |
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