02a0034077;he amu|||bauu;20011205d1987 ekmy0engy01;eng;a z 000yy;r;ETDF Grant no.068-Isotope ratios and trace elements in gold and base metal occurrences in Ontario;[microfiche];E.J. Brooker & T.E. Eagles#;Ontario;Ministry of Northern Development and Mines;1987;1 sheet;Open File Report;Ontario Geological Survey;no.5645;2252;aOpen File Report ; fOntario Geological Survey ; vno.5645;勘探技术进展资助计划068号: 安大略金矿床和有色金属矿床中的同位素比值和痕量元素;a422.1 ; a423;Brooker ; Eagles;E.J. ; T.E.;101;jMF 1985 ; r70.72;MF 1985;MF 1985;a02;b1