论文信息 - Reprinted from Lewis, B.T.R., Robinson, P., et aI., 1983 Initial Reports of the Deep Sea Drilling Project, Volume LXV, Washington (U.S. Government Printing Office)

Reprinted from Lewis, B.T.R., Robinson, P., et aI., 1983 Initial Reports of the Deep Sea Drilling Project, Volume LXV, Washington (U.S. Government Printing Office)

Velocities and densities of submarine basalts obtained during Leg 65 are distinguished by their relatively high values (about 6.3 km/s and 2.9 g/cm3, respectively). This is consistent with their low degree of alteration. The range of velocities covered by these samples correlates well with porosity, and a comparison with in situ velocities from refraction data suggests maximum porosities in the upper 100 meters of the crust of about 10070.

N. I. Christensen | B. T. R. Lewis | N. Christensen | B. Lewis

[1] Brian T. R. Lewis,et al. Periodicities in volcanism and longitudinal magma flow on the East Pacific Rise at 23°N , 1979 .

[2] N. Christensen,et al. Structure and constitution of the lower oceanic crust , 1975 .

[3] B. Lewis,et al. A seismic experiment at the axis of the East Pacific Rise , 1980 .

[4] N. Christensen,et al. Elasticity of Mafic Rocks from the Mid-Atlantic Ridge , 1970 .