000 | 00938nam a2200265 1n4500 | ||
---|---|---|---|
001 | 000146873 | ||
005 | 20210221171430.0 | ||
008 | 920106s1972 000 0 eng d | ||
041 | 0 | 7 |
_aEng _2ISO 639-1 |
084 | _aAm.Géol 39e | ||
245 | 0 | 0 |
_aSurvey metallic and non-metallic minerals, phase 2 : _brepublic of Ecuador : _bExploration for metallic minerals in southern Ecuador (operation N 8, Loja-El Oro) systematic geochemical exploration and geological reconnaissance |
260 |
_aNew York : _bUnited nations development programme, _c1972 |
||
300 |
_a46 p: : _bcarte, 2 cartes h. t., graph., tab. |
||
490 | 0 | _aTechnical report, 13 | |
504 | _abibliogr. p. 45-46, 2 | ||
650 | 0 | 4 | _aGéologie économique |
650 | 0 | 4 | _aGéochimie |
650 | 0 | 4 | _aExploration |
650 | 0 | 4 | _aMinéral |
653 | 0 | 5 |
_aEquateur _aLoja |
653 | 0 | 5 |
_aEquateur _aEl Oro |
910 | _h1038 | ||
942 | _cLIBRO | ||
999 |
_c113749 _d113749 |