Figure F253. Variation in major and trace elements with MgO contents in Hole 1256D rocks. LP = lava pond, SF = basalt sheet flow, MF = basalt massive flow, BD = basaltic dike, G = gabbro, QOD = quartz-oxide diorite, TD = trondhjemite dike, GC = ghost core. See “Geochemistry” in “Expedition 309” for the samples labeled 309 and “Geochemistry” in “Expedition 312” for Expedition 312 analyses. Northern East Pacific Rise data from C.H. Langmuir (unpubl. data, www.petdb.org, 1999). Site 504 data from Autio et al. (1983), Natland et al. (1983), Emmermann (1985), and Tual et al. (1985). (Continued on next page.)
Previous | Close | Next | Top of page