نتایج جستجو برای: dike emplacement
تعداد نتایج: 2977 فیلتر نتایج به سال:
The recent adoption of deep learning for diverse applications has required scaling infrastructures both horizontally and vertically. As a result, efficient resource management for distributed deep learning (DDL) frameworks is becoming increasingly important. However, existing techniques for scaling DDL applications rely on general-purpose resource managers originally designed for data intensive...
[1] Volcanic eruptions are often accompanied by spatiotemporal migration of ground deformation, a consequence of pressure changes within magma reservoirs and pathways. We modeled the propagation of pressure variations through the east rift zone (ERZ) of K ılauea Volcano, Hawai‘i, caused by magma withdrawal during the early eruptive episodes (1983–1985) of the ongoing Pu‘u ‘ O‘ o-Kupaianaha erup...
Abstract The northern Cascade Mountains in Washington (USA) preserve an exceptional shallow to mid-crustal record of Eocene transtension marked by dextral strike-slip faulting, intrusion dike swarms and plutons, rapid non-marine sedimentation, ductile flow cooling parts the North Cascades crystalline core. Transtension occurred during ridge-trench interaction with formation a slab window, rollb...
Re cently the Whitesail Lake map area (NTS 093E), im me di ately north and east of Bella Coola, BC has been the fo cus of re gional map ping pro grams, in clud ing the cur rent Geoscience BC funded map ping pro gram of Mahoney et al. (2006) and the map ping con ducted in 2004 un der the Rocks to Riches pro gram (Mahoney et al., 2005). The re gional map ping ex er cise dis cov ered a new oc cur ...
Pumices, ashes, and tuffs from Mt. St. Helens and from Novarupta contain two principal forms of titanomagnetite: homogeneous grains with Curie temperatures in the range 350–500 C and oxyexsolved grains with similar bulk composition, containing ilmenite lamellae and having Curie temperatures above 500 C. Thermomagnetic analyses and isothermal annealing experiments in combination with stratigraph...
In this paper the safety of a double-dike system (or twin dikes) is assessed. Such consist two parallel lines flood defences. During storms combined strength defences must prevent flooding hinterland. A culvert can be implemented for tidal exchange sea water to enable new land-uses in area between dikes such as aquaculture, saline agriculture, salt marsh restoration and clay extraction. We deve...
Lunar Volcanic Eruptions: Range of Eruption Styles and Implications for Magma Ascent and Emplacement
Introduction: A wide variety of morphologic features representing a range of eruption styles has been documented on the Moon [e.g., 1-2]. We have characterized the nature of numerous steep-sided domes, small shields, cones, dark halo craters of internal origin, dark mantle deposits, linear rille-related deposits, and sinuous rille-related deposits on the Moon using Clementine multis-pectral, Ap...
New geologic mapping reveals that Artemis, a unique 2400-km-diameter feature on Venus, is much larger than previously recognized, including a wide outer trough (>5000 km diameter), a radial dike swarm (12,000 km diameter), and a concentric wrinkle ridge suite (13,000 km diameter). Artemis’s evolution included formation of its interior and chasma, accompanied by lateral propagation of radial dik...
The morphology of subaqueous landslide deposits is seldom analyzed quantitatively or at least semi-quantitatively with regard to the dynamics of the flow. However, the peculiar morphology of the deposits can reveal information on the mechanics of propagation of the mass movement and on the mechanism of emplacement. Horseshoeshaped deposits and oriented blocks are two peculiar morphologies of su...
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