Corriente Resources Inc., 2007, Copper growth story: Corriente Resources Inc. presentation, 16 p. (Also available at http://www.corriente.com/media/PDFs/2007_07.ppt.)Gemuts, Ilmars; Lopez, Guillermo; and Jimenez, Franklin, 1992, Gold deposits of southern Ecuador: Society of Economic Geologists SEG Newsletter, no. 11, p. 1, 1316. (Also available at http://www.segweb.org/pdf/publications/newsletters/1992/SEG-Newsletter-11-1992-October.pdf.)Gendall, I.R., Quevedo, L.A., Sillitoe, R.H., Spencer, R.M., Puente, C.O., León, J.P., and Romulo, R.P., 2000, Discovery of a Jurassic porphyry copper belt, Pangui area, southern Ecuador: Society of Economic Geologists SEG Newsletter, no. 43, p. 115. (Also available at http://www.segweb.org/pdf/publications/newsletters/2000/SEG-Newsletter-43-2000-October.pdf.)Lowell, J.D., and Quevedo, L., 2002, Exploring Jurassic porphyry coppers in the Amazon jungle of Ecuador: 2002 SME Annual Meeting, Phoenix, Ariz., February 2527, 2002, Preprint 02-116. (Also available at http://www.onemine.org/search/summary.cfm/Exploring-Jurassic-Porphyry-Coppers-In-The-Amazon-Jungle-Of-Ecuador?d=152918F0959DEC0235BDCDE295150E1933C95871760CE9A99021CA563123D07E38141.)PRODEMINCA, 2000a, Evaluacion distritos mineros del EcuadorDepositos porfidicos y epi-mesotermales relacionados con intrusiones de las Cordilleras Occidental y Real: Ministerio de Energia y Minas, Subsecretaria de Minas, Direccion Nacional de Geologia, Proyecto de Desarrolo Minero y Control Ambiental (PRODEMINCA), v. 5, 223 p.
PRODEMINCA, 2000b, Manual de exploracion de depositos metaliferos en el Ecuador: Ministerio de Energia y Minas, Subsecretaria de Minas, Direccion Nacional de Geologia, Proyecto de Desarrolo Minero y Control Ambiental (PRODEMINCA), 100 p.
Quevedo, L., and Lowell, J.D., 2001, Cinturón de pórfidos de cobre de Zamora, Ecuador: II Congress of Prospectors and Explorers, ProExplo 2001, Lima, Peru, 20 p., accessed 2008, at http://www.proexplo.com.pe/encont/opcion/e2001.htm. [Web page no longer available.]
Singer, D.A., Berger, V.I., and Moring, B.C., 2008, Porphyry copper deposits of the worldDatabase and grade and tonnage models, 2008: U.S. Geological Survey Open-File Report 2008-1155, [45] p. and digital data, accessed December 31, 2013, at http://pubs.usgs.gov/of/2008/1155/.