Results 171 to 180 of about 9,387 (221)

REE-assisted U–Pb zircon age (SHRIMP) of an anatectic granodiorite: Constraints on the evolution of the A Silva granodiorite, Iberian allochthonous complexes [PDF]

Lithos, 2010
The A Silva granodiorite is a plutonic body intruded into the metasediments of the upper unit of the Órdenes Complex (Variscan belt, NW Spain). These metasediments represent the middle section of a magmatic arc located in northern Gondwana.
Pedro Castiñeiras, F Diaz Garcia
exaly   +2 more sources

Crystallization and resorption in plutonic plagioclase: Implications on the evolution of granodiorite magma (Gęsiniec granodiorite, Strzelin Crystalline Massif, SW Poland)

Lithos, 2006
Granodiorite from the Gęsiniec Intrusion, Strzelin Crystalline Massif, SW Poland contains complexly zoned plagioclases. Five chemically and structurally distinct zones can be correlated among crystals: ‘cores’ (25–35% An), inner mantles (∼40–45% An ...
Juergen Koepke, Jacek Puziewicz, Anna Pietranik   +2 more
exaly   +2 more sources

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Pre‐Granodiorite dikes in granodiorite, Paradise Range, Nevada

Eos, Transactions American Geophysical Union, 1935
In the course of the study of the deposits of magnesite and brucite in the Paradise Range by the Geological Survey In cooperation with the Nevada state Bureau of Mines, opportunity was afforded to map a part of a granodiorite stock and a swarm of dikes. Seven successive igneous intrusions, demonstrated by cross‐cutting relationships, occur in this area
openaire   +1 more source

Age of the Jamaican Granodiorite

Geological Magazine, 1963
AbstractGranodiorite intrusions in Jamaica were assigned by early workers to various ages from Pre-Cambrian to late Tertiary. Recent surveys have shown that the granodiorite intrudes Maestrichtian sediments and has provided material for pebbles in an Eocene conglomerate. Its age is therefore very late Cretaceous or very early Tertiary.
L. J. Chubb, Kevin Burke
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Granit und Granodiorit

1993
„Der Granit war in den altesten Zeiten schon eine merkwurdige Steinart und ist es zu den unsrigen noch mehr geworden. Die Alten kannten ihn nicht unter diesem Namen. Sie nannten ihn Syenit, von Syene, einem Orte an den Grenzen von Athiopien. Die ungeheuren Massen dieses Steines flosten Gedanken zu ungeheuren Werken den Agyptiern ein.
Rosemarie Klemm, Dietrich D. Klemm
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Microanalysis of N.R.M. in a granodiorite intrusion

Earth and Planetary Science Letters, 1974
The natural remanent magnetization (NRM) associated with individual oriented grains of the major rock-forming minerals of the Tatoosh granodiorite has been determined to establish the magnetic carriers of stable and unstable components of NRM. In addition, magnetic parameters such as weak field susceptibility, Konigsberger ratio, saturation isothermal ...
Yeeming T. Wu, M. Fuller, V.A. Schmidt
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Hydrothermal Alteration in Some Granodiorites

Clays and clay minerals (National Conference on Clays and Clay Minerals), 1957
AbstractThe patterns of distribution of the mica and clay minerals resulting from alteration of feldspars are much less regular and well defined in the “porphyry copper” deposits than in the vein deposits such as those at Butte, Montana. There are, however, interpretative problems common to both.
Charles Meyer, Julian Hemley
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Hypersthene granodiorite in Virginia

Geological Society of America Bulletin, 1935
Introduction The Blue Ridge-Catoctin anticlinorium extends for more than 300 miles across the State of Virginia, from the Potomac River to the North Carolina and Tennessee lines (Fig. 1). In northern and central Virginia it includes the Blue Ridge proper, which forms its northwestern border, and part of the Piedmont region of foothills, which lies ...
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The Occurrence of Zinc in the Ballachulish Granodiorite

Geological Magazine, 1925
The question of the zinc content of the Ballachulish granodiorite (Geol. Mag., Dec, 1924, p. 554) has now been thoroughly investigated, Dr. E. G. Zies, of this laboratory, having very kindly interested himself in the matter.
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Gamma-ray absorption in granodiorite

Studia Geophysica et Geodaetica, 1974
The coefficient of the gamma-ray absorptionμCs137 of the Blatna-type granodiorite from the Central Bohemian Pluton was investigated.
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