By David M. Christie, Charles R. Fisher, Sang-Mook Lee, Sharon Givens
Published via the yankee Geophysical Union as a part of the Geophysical Monograph Series.
New ocean crust is consistently created the place tectonic plates diverge. a particular form of oceanic crust is shaped by way of back-arc spreading platforms that parallel oceanic island arcs at the aspect clear of the subducting plate. Volatile-rich and spatially variable, back-arc spreading platforms are a ordinary laboratory for multi-disciplinary reports of seafloor construction, the circulation of magma from the deep earth, and the hydrothermal ecosystems that this stream sustains.
Derived from the celebrated Ridge 2000 InterRidge Theoretical Institute held in 2004, Back-Arc Spreading platforms: Geological, organic, Chemical, and actual Interactions reports the kingdom of the technological know-how, with decide upon case studies.
Experienced researchers in, and scholars of, marine geology, organic oceanography, marine geochemistry, volcanology, petrology, and geo- and paleomagnetism will locate this quantity an important source now and for the close to future.
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Additional info for Back-Arc Spreading Systems: Geological, Biological, Chemical, and Physical Interactions
Uracus is located at about 20˚N. Preliminary results show a slight eastward displacement relative to the Philippine Sea plate at around 20˚N (Watanabe, personal communication), possibly shifting the Euler pole estimation a little farther to the north. However, this result is still very preliminary, and further, repeated GPS surveys are needed to confirm it. Focal mechanisms from the HCMT catalog are available only in the southern region of the Mariana arc near Guam Island (Figure 4). , 2000]. If we could determine focal mechanisms from smaller magnitude earthquakes, the area of arc-parallel extension might be extended further north.
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J. Murton, and L. E. Johnson (1995), Geochemistry of Lau Basin volcanic rocks: influence of ridge segmentation and arc proximity, in Volcanism Associated with Extension at Consuming Plate Margins, edited by J. L. Smellie, pp. 53–75, Geological Society, London. , S. Calmant, and R. Pillet (1998), Current tectonics of the Tonga-New Hebrides region, Earth Planet. Sci. , 164, 263–276. , Y. Lagabrielle, M. Benoit, G. Cabioch, S. Calmant, E. Garel, and C. Guivel (2001), Newly identified segments of the Pacific-Australia plate boundary along the North Fiji transform zone, Earth Planet.
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