In cooperation with the Ocean Drilling Program, the Texas A&M University Digital Library produced this electronic version from the original print volume. Volume and chapter citations have been updated since original publication to include a Digital Object Identifier (DOI) to facilitate online access to scholarly and professional content (see "Citations Related to ODP Legs" for updated citations).




	1. Introduction and Explanatory Notes Shipboard Scientific Party doi:10.2973/odp.proc.ir.111.101.1988 2. The Distribution of Geothermal and Geochemical Gradients near Site 501/504: Implications for Hydrothermal Circulation in the Oceanic Crust M.G. Langseth, M.J. Mottl, M.A. Hobart, and A. Fisher doi:10.2973/odp.proc.ir.111.102.1988

	3. Site 504: Costa Rica Rift Shipboard Scientific Party doi:10.2973/odp.proc.ir.111.103.1988 4. Sites 677 and 678 Shipboard Scientific Party doi:10.2973/odp.proc.ir.111.104.1988

	JOIDES Advisory Groups Sample-Distribution Policy

	Volume 111: Chapter 3: Plates 1A–6A: Schlumberger logging and geochemical data, BRGM logging data, and multichannel sonic logging data from basement rocks, upper part, Hole 504B. Volume 111: Chapter 3: Plates 1B–6B: Schlumberger logging and geochemical data, BRGM logging data, and multichannel sonic logging data from basement rocks, lower part, Hole 504B.

Shipboard core descriptions are included in the site chapters. The entire set of core images is available in PDF in the IMAGES directory.

Citations to scientific publications related to this and other ODP legs are available.
	Leg 111 Leg-Related Citations Ocean Drilling Program Citation Database ODP Citations (Legs 101–210)

A site map showing the drilling locations for this leg and maps showing the drilling locations of all Ocean Drilling Program (ODP) and Deep Sea Drilling Project (DSDP) drilling sites are available.
	ODP Leg 111 Site Map ODP Map (Legs 100–210) DSDP Map (Legs 1–96) SITES and REPOSITORY LOCATIONS Ocean Drilling Program