Sites 501 and 504: sediments and ocean crust in an area of high heat flow on the southern flank of the Costa Rica Rift ( DSDP).

Abstract

Provides a summary of the principal data and work expanded in later specialist papers. Covers sedimentary stratigraphy, lithology, biostratigraphy, porewater chemistry; basement lithostratigraphy, igneous petrology, alteration petrography, chemistry, structure, physical properties, paleomagnetism, basalt Sr and Pb isotopic composition, downhole measurements, water sampling. About 100 pages are devoted to core diagrams and photographs. -M.A.Bass