… A STUDY of 'the precious metal contents of oceanridge basalts 'has been undertaken to gain
an in, sight into the possible evolution of A.rchean greenstone belts and their associated Au …

… The low PGE content of the most primitive mid-ocean ridge basalts (MORB) suggests that …
We show that the lack of decline in the Pd content of sulfide-saturated mid-ocean ridge basalts, …

… in mid-ocean ridge basalts (MORB) and the MORB sourcerock control on Zn/Pb in ocean-ridge …
Cu largely extracted in first melting and precious metals in a second; SOLOMON, 1990) …

… mid-ocean ridge basalts (MORB), together with a basalt sample from the offshore slope of
the Yap Trench and a basalt from the Tertiary ophiolite complex of eastern Taiwan. Rare earth …

… MID-OCEAN RIDGE BASALTS (MORBs) and abyssal peridotites sampled at the bottom of
the ocean are assumed to be the complementary products of the mantle partial melting under …

… Through a global survey of mid-ocean ridge basalt glasses, we show that mantle oxidation
state varies systematically as a function of mantle source composition. Negative correlations …

… For calculating the yearly input of non-radiogenic Os from alteration of mid-ocean ridge
basalt we utilize the flow rates estimated for the high- and low-temperature fluids by Elderfield …

… Basalts dredged from ridge axes within 70 km of the Indian … common with depleted mid-ocean
ridge basalts (MORBs) from … In contrast, basalts dredged from 250 to 400 km southwest of …

The concentrations of Ir, Ru, Pt and Pd have been determined in 29 Mid-Oceanic Ridge
basaltic (MORB) glasses from the Pacific (N = 7), the Atlantic (N = 10) and the Indian (N = 11) …

… of the volcanic rocks varies from mid ocean ridge basalts (MORB) to calk-… -ocean ridge
basalts (N-MORB) and more felsic lavas. In the southern Lau Basin, the lavas consist of basaltic-…