| Reference | {Deposit:: WEYL, RICHARD, 1969, MAGNETITSANDE DER KUSTE NICOYAS (COSTA RICA, MITTELAMERIKA): NEUES JAHRBH. GEOL. PALAON. MONAT., JAHRG. 1969, P. 499-511.}{Deposit:: U.S. GEOLOGICAL SURVEY, DIRECCION GENERAL DE GEOLOGIA, MINAS E HIDROCARBUROS, UNIVERSIDAD DE COSTA RICA, 1987, MINERAL RESOURCE ASSESSMENT OF THE REPUBLIC OF COSTA RICA: U.S. GEOLOGICAL SURVEY MISCELLANEOUS INVESTIGATION SERIES MAP I-1865, 75 P.} |