The role of density in the accumulation of basaltic melts at mid-ocean ridges

Details The role of density in the accumulation of basaltic melts at mid-ocean ridges The role of density in the accumulation of basaltic melts at mid-ocean ridges

Mar 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993georl..20..423h&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 20, no. 6, p. 423-426.

Other

43

Basalt, Density (Mass/Volume), Earth Crust, Magma, Ocean Bottom, Buoyancy, Pacific Ocean, Ridges

Scientific paper

At the East Pacific Rise, the neutral buoyancy level of magma ponds lies only 100-400 m below the sea floor, by contrast to the 1-2 km depths of the magma bodies imaged in multichannel reflection data. This suggests that other factors must control the collection of melt in these reservoirs; the apparent inverse relationship between magma chamber depth and spreading rate at intermediate-to-fast-spread ridges suggests that the thermal structure of the rise axis is the primary controller of melt pond depth, rather than melt buoyancy.

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