Results 141 to 150 of about 262 (200)
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Science, 1967
The Sierra Nevada batholith is localized in the axial region of a complex faulted synclinorium that coincides with a downfold in the Mohorovicic discontinuity and in P-wave velocity boundaries within the crust. Observed P-wave velocities are compatible with downward increase in the proportion of diorite, quartz diorite, and calcic granodiorite relative
P C, Bateman, J P, Eaton
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The Sierra Nevada batholith is localized in the axial region of a complex faulted synclinorium that coincides with a downfold in the Mohorovicic discontinuity and in P-wave velocity boundaries within the crust. Observed P-wave velocities are compatible with downward increase in the proportion of diorite, quartz diorite, and calcic granodiorite relative
P C, Bateman, J P, Eaton
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Making Space for Batholiths by Extrusion of Sub-Batholithic Crust
International Geology Review, 2003The long-standing space problem in the emplacement of orogenic batholiths may be solved by large-scale intracrustal flow toward the backarc, driven by the isostatic load of the batholith and its volcanic carapace. Isostatic compensation of modern magmatic arcs requires at least the volcanic cover to have settled relative to adjacent rocks.
Allen F. Glazner +3 more
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Age of the Khangai batholith and challenge of polychronic batholith formation in Central Asia
Doklady Earth Sciences, 2013The Central Asian fold belt (CAFB) exhibits many manifestations of granitoid magmatism. The granite formation is largely determined by the convergence of the Siberian continent with structures of the Paleo Asian ocean, which was practically continuous from the Late Riphean until the Early Mesozoic.
V. V. Yarmolyuk +6 more
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Tectonophysics, 1973
Abstract The formation of the melts which produce intrusions of the granite family are considered to result from the partial fusion of high-grade metamorphic rocks. The melting behaviour of such materials is considered. Such melts will rarely be water-saturated and the degree of water-saturation must set limits on the ability of the melt to rise. The
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Abstract The formation of the melts which produce intrusions of the granite family are considered to result from the partial fusion of high-grade metamorphic rocks. The melting behaviour of such materials is considered. Such melts will rarely be water-saturated and the degree of water-saturation must set limits on the ability of the melt to rise. The
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2021
Granit – soweit das Auge blickt. Der Korsisch-Sardische Batholith ist einer der grosten Granitkomplexe Europas. Man trifft darin auf unterschiedlichste Landschaften: Hochflachen, tief eingeschnittene Taler und nur schwer zugangliche Gebirge. Der „Batholith“ – ein Begriff, einst geschaffen fur Granite, die sich in „unendliche Teufe“ erstrecken und ...
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Granit – soweit das Auge blickt. Der Korsisch-Sardische Batholith ist einer der grosten Granitkomplexe Europas. Man trifft darin auf unterschiedlichste Landschaften: Hochflachen, tief eingeschnittene Taler und nur schwer zugangliche Gebirge. Der „Batholith“ – ein Begriff, einst geschaffen fur Granite, die sich in „unendliche Teufe“ erstrecken und ...
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Journal of the Geological Society, 1978
The Mesozoic-Cenozoic Coastal Batholith of Peru is a multiple intrusion of gabbro, tonalite and granite occupying the core of the Western Cordillera over a length of 1600 km. Its structure and composition are described within the context of an intracratonic Andean zone in which vertical movements were dominant.
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The Mesozoic-Cenozoic Coastal Batholith of Peru is a multiple intrusion of gabbro, tonalite and granite occupying the core of the Western Cordillera over a length of 1600 km. Its structure and composition are described within the context of an intracratonic Andean zone in which vertical movements were dominant.
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On the Antarctic Peninsula batholith
Geological Magazine, 1995AbstractThe plutonic rocks of the Antarctic Peninsula magmatic arc form one of the major batholiths of the circum-Pacific rim. The Antarctic Peninsula batholith is a 1350 km long by < 210 km wide structure which was emplaced over the period ˜240 to 10 Ma, with a Cretaceous peak of activity that started at 142 Ma and waned during the Late Cretaceous.
Leat, P. T. +2 more
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The Problem of Batholithic Intrusion
Geological Magazine, 1923Speculation as to the causes of the great intrusions known as batholiths is coeval with petrology as a science. Daly says that batholiths are “the least understood of all the intrusive bodies. If they were truly understood there would be no ‘problem’ of the igneous rocks”.1 This, no doubt, puts the matter too strongly, but there is nevertheless much ...
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2021
Wie verschaffen sich Magmen beim Aufstieg den notigen Raum? Die mechanisch einfachste Losung scheint die Aufwolbung der uberlagernden Gesteine zu sein. Am Sandfell in Island ist ein solches Verhalten anschaulich dokumentiert. Das Magma ist hier zwischen Lagen aus Basalt eingedrungen und hat das Dach erkennbar nach oben gewolbt.
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Wie verschaffen sich Magmen beim Aufstieg den notigen Raum? Die mechanisch einfachste Losung scheint die Aufwolbung der uberlagernden Gesteine zu sein. Am Sandfell in Island ist ein solches Verhalten anschaulich dokumentiert. Das Magma ist hier zwischen Lagen aus Basalt eingedrungen und hat das Dach erkennbar nach oben gewolbt.
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