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Relevant bibliographies by topics / Hercynién s.I

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Academic literature on the topic 'Hercynién s.I'

Author: Grafiati

Published: 4 June 2021

Last updated: 6 February 2022

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Journal articles on the topic "Hercynién s.I"

1

Kohút, Milan, Pavel Uher, Marián Putiš, et al. "SHRIMP U-Th-Pb zircon dating of the granitoid massifs in the Malé Karpaty Mountains (Western Carpathians): evidence of Meso-Hercynian successive S- to I-type granitic magmatism." Geologica Carpathica 60, no. 5 (2009): 345–50. http://dx.doi.org/10.2478/v10096-009-0026-z.

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SHRIMP U-Th-Pb zircon dating of the granitoid massifs in the Malé Karpaty Mountains (Western Carpathians): evidence of Meso-Hercynian successive S- to I-type granitic magmatismRepresentative granitic rock samples from the Malé Karpaty Mountains of the Western Carpathians (Slovakia) were dated by the SHRIMP U-Th-Pb isotope method on zircons. Oscillatory zoned zircons revealed concordant Mississippian magmatic ages: 355±5 Ma in Bratislava granodiorite, and 347±4 Ma in Modra tonalite. The results document nearly synchronous, successive Meso-Hercynian plutonic events from S-type to I-type granites

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2

Dezayes, Chrystel, and Catherine Lerouge. "Reconstructing Paleofluid Circulation at the Hercynian Basement/Mesozoic Sedimentary Cover Interface in the Upper Rhine Graben." Geofluids 2019 (March 6, 2019): 1–30. http://dx.doi.org/10.1155/2019/4849860.

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In this paper, we focus on paleocirculation at the Hercynian basement/sedimentary cover interface in the tectonic environment of the Upper Rhine graben. The goal is to increase our understanding of the behavior of the fracture-fault network and the origin of the hydrothermal fluids. We studied orientations, mineral fillings, and fluid origins of fractures that crosscut the Hercynian granitic basement and the Permo-Triassic formations in relation to the major tectonic events. Because the Mesozoic formations and the Hercynian basement on the graben flanks and inside the graben do not have the sa

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3

Pamić, Jakob, Marvin Lanphere, and Mirko Belak. "Hercynian I-type and S-type granitoids from the Slavonian mountains (southern Pannonian Basin, northern Croatia)." Neues Jahrbuch für Mineralogie - Abhandlungen 171, no. 2 (1996): 155–86. http://dx.doi.org/10.1127/njma/171/1996/155.

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4

SCHMULL, Michaela, and Markus HAUCK. "Lecidea hercynica, a new montane epiphytic lichen from Germany." Lichenologist 37, no. 6 (2005): 485–89. http://dx.doi.org/10.1017/s0024282905015422.

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Lecidea hercynica Hauck & Schmull is described as a new species from Germany. It is characterized by a poorly developed or bullate to verrucose, areolate thallus on whitened spots of the substratum, numerous plane to yellowish brown to black, convex apothecia with a persistent margin, Micarea type-like asci, and by the presence of atranorin and protocetraric acid. It does not belong to Lecidea s. str., but is provisionally placed in Lecidea s. lat. until a taxonomic treatment of the whole group has been carried out. Lecidea hercynica is widespread in high-elevation forests of Picea abies i

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5

Nawrocki, Jerzy, Magdalena Pańczyk, and Piotr Szrek. "Magmatic activity at the Silurian/Devonian boundary in the Brunovistulia and Małopolska Terranes (S Poland): possible link with the Rheic Ocean closure and the onset of the Rheno-Hercynian Basin." Geological Magazine 157, no. 2 (2019): 119–33. http://dx.doi.org/10.1017/s0016756819000384.

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AbstractThe age of granophyric diorite from the Sosnowiec IG-1 borehole (Brunovistulia Terrane) was studied by means of U–Pb single-grain zircon analysis performed on a SHRIMP (sensitive high-resolution ion microprobe) IIe device. The isotope ages and provenance of zircons from the Emsian tuffs cropping out in the southern part of the Holy Cross Mountains (Małopolska Terrane) were also investigated using the same method. The age of the diorite intrusion (420 ± 2 Ma) is comparable with the combined Ar–Ar/magnetostratigraphic age of the Bardo diabase intrusion from the northern part of the Małop

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Strzerzynski, Pierre, Louise Lenoir, Paul Bessin, and Loic Bouat. "Brittle tectonics and fluids overpressure during the early stage of the Bay of Biscay opening in the Jard-sur-Mer area, (northern Aquitaine Basin, France)." BSGF - Earth Sciences Bulletin 191 (2020): 38. http://dx.doi.org/10.1051/bsgf/2020025.

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Ba, F, Pb, Ag, Zn mineral deposits are widespread at the northern and eastern boundaries of the Aquitaine Basin. In most cases, they are hosted within high permeability carbonates that rest over the Hercynian basement and below an impermeable layer. Such a position suggests a Mississippi Valley Type (MVT) model for the formation of these deposits. This model is characterized by the lateral flow of sedimentary fluids expelled from the deeper part of the basin and mixed with other sources of water as they reach the basin boundaries. In the Jard-sur-Mer area, which sits in the north of the Basin,

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7

Boiron, M. C., M. Cathelineau, J. Dubessy, and A. M. Bastoul. "Fluids in Hercynian Au veins from the French Variscan belt." Mineralogical Magazine 54, no. 375 (1990): 231–43. http://dx.doi.org/10.1180/minmag.1990.054.375.09.

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AbstractFluids, together with alteration and ore mineral assemblages, were studied in representative hydrothermal gold-bearing quartz veins from the western part of the Variscan belt in France (La Bellière, Montagne Noire district, Villeranges-Le Châtelet district, and Limousin province). Petrographic studies of the relationships between ores, fluid inclusions, microfracturing and quartz textures show that chronological and genetic relationships between gold deposition and fluid trapping may be very complex and difficult to establish for veins which show multi-stage fracturing and shearing. Sy

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8

Stone, Maurice. "The Significance of Almandine Garnets in the Lundy and Dartmoor Granites." Mineralogical Magazine 52, no. 368 (1988): 651–58. http://dx.doi.org/10.1180/minmag.1988.052.368.09.

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AbstractAlmandine garnets in the cordierite-bearing granite of Sweltor Quarry, Dartmoor, contain < 10 mol. % of the spessartine end-member, whilst those in the Lundy granite have c. 10 mol. % spessartine. Experimental work indicates that such compositions can grow in equilibrium with siliceous melts at depths of 18–25 km. This evidence, reaction rims, lack of marked zoning and comparison with garnets in other siliceous calc-alkaline siliceous rocks point to a genesis involving partial melting of the ‘local’ lower crust. A restite origin rather than direct crystallization from magma is favou

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9

Evans, Neil G., Ge´rard Gleizes, Denis Leblanc, and Jean-Luc Bouchez. "Hercynian tectonics in the Pyrenees: a new view based on structural observations around the Bassie`s granite pluton." Journal of Structural Geology 19, no. 2 (1997): 195–208. http://dx.doi.org/10.1016/s0191-8141(96)00080-6.

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10

Stone, Maurice. "The Lundy granite: a geochemical and petrogenetic comparison with Hercynian and Tertiary granites." Mineralogical Magazine 54, no. 376 (1990): 431–46. http://dx.doi.org/10.1180/minmag.1990.054.376.09.

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AbstractNew chemical data show that the two main granite types (G1 and G2) cannot be discriminated, but that microgranite sheets/dykes (G3) are significantly different and more evolved, largely as a result of biotite, accessory mineral, and plagioclase fractionation. The Lundy granite is similar to other Tertiary granites of Scotland and Ireland, in age, setting, possible high-temperature mineralogy, relationship to basic magmatism, and REE patterns. These features and a highly evolved chemistry suggest derivation from an unexposed more ‘primitive’ granite that, in turn, had a basaltic parenta

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