MARC全文
02a0021243;0-607-88992-6;20011205d1998 ekmy0engy01;eng;a z 000yy;r;Geochemical studies of rare earth elements in the Portuguese Pyrite Belt, and geologic and geochemical controls on gold distribution;ed. by David J. Grimes & S.J. Kropschot;pt.A;rare earth element distribution in the volcanic lithostratigraphic units of the Portuguese Pyrite Belt / David J. Grimes, Robert L. Earhart & Delfim de Carvalho;Washington;U.S. GPO;1998;iv, 13 p.;ill.;2 maps;Professional Paper;U.S. Geological Survey;1596-A;2001b;aProfessional Paper ; fU.S. Geological Survey ; v1596-A;葡萄牙黄铁矿带稀土元素的地球化学研究和金矿区的地质与地球化学控制, 第1部分--葡萄牙黄铁矿带火山岩性地层单位的稀土元素分布;a276 ; a425.6;Grimes ; Earhart ; Carvalho;David J. ; Robert L. ; Delfim de;Kropschot;S.J.;101;459433 ; EB00060733;P;254.2;P94;v1596/A-B ; r614.97;a03;b2;cP