 | | Journal (article/letter/editorial) | | Genesisof the AguilarZinc-Lead-Silver Deposit,Argentina: ContactMetasomaticvs. SedimentaryExhalative j...Locatedin theEasternCordilleraof northwestern Argentina,theAguilarmineandseveral smallerprospects arealignednorth-south...pyroxene-hornblende metamorphic halo.In the Esperanza prospect, locatedin the lowergradealbite-epidotehalo...exploitation of the Aguilardepositbenorthwestern Argentina(Fig. 1).The depositandsevgan in 1936. Cumulat...• OCEAN .POTO81 - • • CHOCAYA I CHILE / •• EL •ALVADOR POTRERILLOS ß Gu-(Mo-Au) • / ßCu-Pb-Zn-Ag |  | | Report (issue) | | MEXICO BUREAU OF MINES AND MINERAL RESOURCES A DEPARTMENT OF THE SCHOOL OF MINES E. C. ANDERSON Director...Geological Survey and the Bureau of Mines, U. S. Department of the Interior SOCORRO 1946 THE NEW MEXICO...Mines and Mineral Resources, designated as "a department of the New Mexico School of Mines and under the...Howard E. Rothrock, Geological Survey, U. S. Department of the Interior 11 PART 2 MINING AND MILLING...MEXICO, b y C. H. Johnson, Bureau of Mines, U. S. Department of the Interior ---------------------------- |  | | Report (issue) | | and skarns 33 Alao terrane 36 Alao-Paute unit 36 El Pan unit 38 Maguazo unit 39 Guamote terrane • 41...Seven Geology of the El Oro metamorphic belt 64 Palaeozoic and Triassic rocks 64 El Tigre unit 64 La Victoria...Jurassic-Lower Cretaceous rocks 69 Palenque unit 69 El Oro ophiolitic co1nplex 69 Tecconometarnorphic events...event 71 Palenque event 73 Structural lirnits of the El Oro belt 74 Other meta1norphic occurrences 74 Eight...Carbonate l 02 Corundum 102 Diatomite 102 Feldspar 102 Fluorite 102 Garnet 102 Gemstones and mineral curiosities |  | | Report (issue) | | RESOURCES AGENCY E. WARNE, Adm/n/sfrafor WILLIAM DEPARTMENT OF CONSERVATION DeWITT NELSON, DIVISION OF MINES... Paso Mountains district Erskine Creek district El Gorman tin 31 district : Greenhorn Mountain...districts Geologic map, Cove district Sketch map, western El Paso Mountains Map of geology, mines, and prospects...County ____ Photo of bentonitic clay bed, southwestern El Paso Mountains Geologic sketch map, Amargo clay deposit...and longitudinal section, Buckhorn mine and plan, El Diablo mine of High Enough mine of High Power deposit |  | | Book | | Science Publishers B.V., Copyright and Permissions Department, P.O. Box 521, 1000 AM Amsterdam, Netherlands...substrate—in its definition and is appropriate at prospect, semi-regional and regional scales. An approach...characteristics of each site or prospect as a code (e.g. a prospect in an arid area of low relief, model...mechanical processes is evident. Thus, at the Scuddles prospect in semiarid Western Australia, Smith and Perdrix...IDENTIFICATION: BASIC PRINCIPLES In semi-regional and prospect exploration, the key to successful gossan identification |
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