| 000 | 01048nam a22003257a 4500 | ||
|---|---|---|---|
| 001 | 16408 | ||
| 008 | 190110s1986 xxu||||| |||| 00| 0 eng d | ||
| 041 | _aeng | ||
| 100 |
_916580 _aOrris, Greta J. |
||
| 245 | _aGrade and tonnage model of placer Au-PGE | ||
| 260 |
_aReston, VA _bU.S. Geological Survey _c1986 |
||
| 300 |
_app. 261-264 _bilus. |
||
| 490 |
_aU.S. Geological Survey Bulletin _vn.1693 |
||
| 650 |
_942 _aGENESIS-YACIMIENTO |
||
| 650 |
_9639 _aGEOLOGIA ECONOMICA |
||
| 650 |
_95541 _aLEY MINERAL |
||
| 650 |
_944 _aMODELOS GENETICOS |
||
| 650 |
_93 _aORO |
||
| 650 |
_99055 _aPLACERES |
||
| 650 |
_92045 _aPLACERES AURIFEROS |
||
| 650 |
_91089 _aPLATINO |
||
| 650 |
_9426 _aPROSPECCION MINERA |
||
| 650 |
_9260 _aRESERVAS MINERALES |
||
| 700 |
_911786 _aBliss, James D. |
||
| 773 |
_023562 _923562 _aCox, Dennis P. _dReston, VA U.S. Geological Survey 1986 _o23562 _tMineral deposits models |
||
| 856 | _uhttps://pubs.er.usgs.gov/publication/b1693 | ||
| 856 | _uUSGS-B-1693.pdf | ||
| 910 |
_aRNUÑEZ _b38868 |
||
| 942 |
_2z _cCAPL |
||
| 999 |
_c16408 _d16408 |
||