Magnetization of Ocean Basalts

Fissure Basalts and Ocean-Floor

closed system grossly distorted sound calibration below 1 khz, whereas at frequencies higher than 6 khz calibration for the open loudspeaker was affected. This difficulty could be avoided by placing the loudspeaker close to the bird's ear (12 cm). 2. R. L. Boord and G. L. Rasmussen, J. Comp. Neurol. 120, 463 (1963). 3. For this reason, all data on single-unit thresholds and frequency range in t...

Oxygen Isotopic Composition of Mare- Basalts: Magma Ocean Differentiation

BASALTS: MAGMA OCEAN DIFFERENTIATION AND SOURCE HETEROGENEITY. L.J. Hallis, R.C. Greenwood, M. Anand, S.S. Russell, M. F. Miller and I. A. Franchi. [email protected]. Department of Mineralogy, The Natural History Museum, Cromwell Rd, London, SW7 5BD, UK. Dept. of Earth and Environmental Sciences, The Open University, Milton Keynes MK7 6AA, UK. PSSRI, The Open University, Milton Keynes MK7 6AA,...

Magnetic and petrologic characterization of synthetic Martian basalts and implications for the surface magnetization of Mars

EXPERIMENTAL CONSTRAINTS ON THE GENERATION AND EVOLUTION OF MID-OCEAN RIDGE BASALTS by Rosamond

Experimental petrology and major element chemistry are used to infer the melting processes that operate in the upper oceanic mantle to yield basaltic magma, and the subsequent cooling processes by which these magmas chill to form the oceanic crust. THE PRIMARY MAGMAS OF MID-OCEAN RIDGE BASALTS This paper reports experiments carried out between 9 and 16 kbar (0.9 1.6 GPa) using natural, primitiv...

Major element chemistry of ocean island basalts — Conditions of mantle melting and heterogeneity of mantle source