Vein mineral ages of oceanic crust from the Atlantic Ocean, supplement to: Richardson, Stephen H; Hart, Stanley R; Staudigel, Hubert (1980): Vein mineral ages of old oceanic crust. Journal of Geophysical Research: Solid Earth, 85(B12), 7195-7200

Stephen H Richardson, Stanley R Hart & Hubert Staudigel
Vein smectites with large Rb/Sr enrichments from extensively altered basaltic oceanic crust in Deep Sea Drilling Project hole 417A in the western Atlantic define a highly constrained Rb/Sr isochron age of 108 +/- 3 m.y. This age is identical to a less well constrained age of 108 +/- 17 m.y. for vein smectites with lower Rb/Sr enrichments from adjacent hole 418A and to the 108 m.y. age of crust formation derived by paleontological and magnetic...
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