Langseth, M. G.; Mottl, Michael J.; Hobart, M. A.; Fisher, A. (1988): The distribution of geothermal and geochemical gradients near site 501/504; implications for hydrothermal circulation in the oceanic crust. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, In: Becker, Keir, Sakai, Hitoshi, Merrill, Russell B., Adamson, Andrew C., Alexandrovich, Joanne, Alt, Jeffrey C., Anderson, Roger N., Bideau, Daniel, Gable, Robert, Herzig, Peter M., Houghton, Simon, Ishizuka, Hideo, Kawahata, Hodaka, Kinoshita, Hajimu, Lovell, Michael A., Malpas, John, Masuda, Harue, Morin, Roger H., Mottl, Michael J., Pariso, Janet E., Pezard, Philippe, Phillips, Joseph, Sparks, Joel, Uhlig, Stefan, Stewart, Norman J. (editor), Proceedings of the Ocean Drilling Program, Costa Rica Rift, covering Leg 111 of the cruises of the drilling vessel JOIDES Resolution, Bridgetown, Barbados, to Callao, Peru, sites 504, 677, and 678, 16 August 1986-20 October 1986, 111, 23-32, georefid:1988-032282