| | Journal (article/letter/editorial) | deposits of the Ag-Sn Formation located within Argentina and Bolivia have been investigated mineralogically...the National Research Councils of Austria and Argentina, respectively. The Geological Survey of Bolivia...deposits can be distinguished. Starting with Argentina, the deposits of Pirquitas and El Quevar (Ag-Sn)...wide-spread occurrence of tin minerals (cassiterite, stannite, kësterite, ferrokësterite, hocartite-pirquitasite)...be mentioned. The vein-type deposits of the Sierra de Famatina (Mejicana and Upulungus veins) carry gold- | | | Report (issue) | UNITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY NEOGENE-QUATERNARY VOLCANISM AND MINERALIZATION...Paz, Bolivia; and Raul Sal as 0., Servicio Nacional de Geologia y Mineria, Santiago, Chile Open-File Report...of the central Andean region of northwestern Argentina, western Boliva, northern Chile, and southern...northern Chile, western Bolivia, and northwestern Argentina. The information presented has been abstracted... Salta Tucuman 289 28' 0 200 400 Km I ARGENTINA LaSerena 76* 72° 68* Figure 1.--Distribution | | | Book | .....• ••~.. lnstituto Tecnol6gico i ~ GeoMinero de Espana Special Publication No. 8 f_o_r_G~e~o-lo_g_y_...CARDOZO Universidad Nacional de lngenieria, and Newmont Peru Limited Gerente de Exploraciones Av. Jose Galvez...CEDILW Facultad de Minas, Metalurgia y Geologia, Universidad de Guanajuato Ex-Hacienda de San Matias s/n...Prof. Dr. Lwfs FONTBOTE Departement de Mineralogie, Universite de Geneve 12, rue des Maraichers CH-1211...Prof. Dr. JOSE FRUTOS Programa de Geologia Econ6mica Aplicada, Universidad de Concepci6n Casilla 4107 Concepci6n | | | Report (issue) | skarns 33 Alao terrane 36 Alao-Paute unit 36 El Pan unit 38 Maguazo unit 39 Guamote terrane • 41 Opluolitic...Oro (Figure 2), the subject of this 1nen1oir, were de- 4 ONE INTRODUC-r!ON picted on the national...the Llanganates area (Kennerley, 1971) and Loja Province (Kennerley, 1973) . Feininger (1978, 1980) con...Lhe British Embassy, Quito: Redmond Norton, Douglas de Wilton and Caroline Blake: under ambassadors Michael...1 985; 1 989) are thought to have formed in that pan of the belt close to the tY_Pe locality in Canada |
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