Rb-Sr systematics of volcanic rocks and alteration minerals of ODP Hole 104-642E, supplement to: LeHuray, A P; Johnson, E S (1989): Rb-Sr systematics of Site 642 volcanic rocks and alteration minerals. In: Eldholm, O; Thiede, J; Taylor, E; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 104, 437-448

A P LeHuray & E S Johnson
Subaerially erupted tholeiites at Hole 642E were never exposed to the high-temperature seawater circulation and alteration conditions that are found at subaqueous ridges. Alteration of Site 642 rocks is therefore the product of the interaction of rocks and fluids at low temperatures. The alteration mineralogy can thus be used to provide information on the geochemical effects of low temperature circulation of seawater.Rubidium-strontium systematics of leached and unleached tholeiites and underlying, continentally-derived dacites reflect interactions with...
This data repository is not currently reporting usage information. For information on how your repository can submit usage information, please see our documentation.