THE DIGITAL METALLOGENIC MAP THE DIGITAL METALLOGENIC MAP

OF SOUTH AMERICAOF SOUTH AMERICA

1:5.000.000 scale1:5.000.000 scale

Eduardo O. Zappettini and Gabriel Asato

SERVICIO GEOLOGICO MINERO ARGENTINO

Florence, August 2004

OBJECTIVESOBJECTIVES

Promoting organizations: CGMW - ASGMIGeneral coordination: Geological and Mining Survey of ArgentinaLocal Coordinations: National Geological Surveys of South America

ORGANIZATIONS INVOLVEDORGANIZATIONS INVOLVED

THE DIGITAL METALLOGENIC MAP THE DIGITAL METALLOGENIC MAP

OF SOUTH AMERICAOF SOUTH AMERICA

Educational: To promote the knowledge of the mineral resources of the ContinentTo integrate and update the metallogenic knowledge of South AmericaTo contribute to the preparation of the Metallogenic Map of the World

WORKINGWORKING GROUP: 68 geologists – 4 techniciansGROUP: 68 geologists – 4 technicians

General Coordination Eduardo Zappettini (SEGEMAR)

National Coordinators

Argentina: Eduardo Zappettini (SEGEMAR)Bolivia: Carlos Riera Kilibarda (SERGEOMIN)

Brazil: Carlos Schobbenhaus (CPRM)Chile: Waldo Vivallo (SERNAGEOMIN)

Colombia: Rosalba Salinas (INGEOMINAS)Ecuador: Guillermo Rosero (DINAGE)

Paraguay: Maria Eugenia González (DM Paraguay)Peru: Manuel Paz (INGEMMET)

Uruguay: Humberto Pirelli (DINAMIGE)Venezuela: Rosario Bajo de Osuna (INGEOMIN)

 Databases Coordination

Susana Segal (SEGEMAR).

Digital cartography and GIS coordinationCarlos Gabriel Asato (SEGEMAR)

THE DIGITAL METALLOGENIC MAP THE DIGITAL METALLOGENIC MAP

OF SOUTH AMERICAOF SOUTH AMERICA

Geographic Information System

Tectonostratigraphic units

Inventory of mineral resources

Associated databases

THE PRODUCTTHE PRODUCT

THE DIGITAL METALLOGENIC MAP THE DIGITAL METALLOGENIC MAP

OF SOUTH AMERICAOF SOUTH AMERICA

DEPOSITS CLASSIFICATIONDEPOSITS CLASSIFICATION

Deposits associated with mafic and ultramafic intrusions in tectonically stable areas

Deposits associated with mafic and ultramafic intrusions in tectonically unstable areas

Deposits associated with alkaline rocks and systems

Deposits associated with mafic continental volcanism

Pegmatites

Deposits associated with granites

Porphyry type deposits

Metasomatic deposits (including greissens and skarns)

Deposits associated with mesosilicic to acid volcanics and subvolcanics in a continental domain

Deposits associated with clastic sediments

Deposits associated with carbonate sediments

Deposits associated with carbonate sediments-BIF

Deposits associated with chemical sediments

Deposits associated with biogenic sediments

Deposits associated with dehydration and metamorphic segregation fluids

Deposits associated with metamorphic crystallization

Residual deposits

Deposits associated with submarine volcanism and volcanosedimentary marine sequences

Placer deposits

DEPOSIT CLANS

Cr, Ni, Co, Ti, Fe-Ti-V, Cu-Ni

Dimensional stones (granite, travertine, marble, flatsones, etc.)

U, U-V-Cu, Th, REE, Nb, Ta, Be, Li, Zr

Gemstones (diamond, sapphire, amethyst, topaz, tourmaline, emerald, aquamarine, etc.)

Sn, Sn-Ag, W, Mo, Bi, Sb

Ba, F, Sr

Industrial Minerals (Al silicates, garnet, wollastonite, asbest, talc, clays, bentonite, grafite, industrial diamonds, sulfur, perlite, etc.)

Phosphates, magnesite, Na, K, B, Li (salts), gypsum, nitrates

Al (bauxite)

Fe, Mn

Pb-Ag-Zn, Pb-Zn, Pb, Zn

Au, Au-Ag, PGE, Au-Cu, As, Se, Te, Hg

Cr, Cu, Cu-Pb-Zn, Cu-Ag, Cu-Au, Cu-Mo

COMMODITIES

THE DIGITAL METALLOGENIC MAP THE DIGITAL METALLOGENIC MAP

OF SOUTH AMERICAOF SOUTH AMERICA

DEPOSIT MODEL CLASSIFICATION (USGS)

Model N° MODEL NAME 1 STILLWATER NI~CU 2A BUSHVELD CHROMITITE 2B MERENSKY REEF PGE3 BUSHVELD FE -TI-V4A CU-NI PIPES4B PGE PIPES 5A DULUTH CU -NI-PGE5B NORIL'SK CU -NI-PGE6A KOMATIITIC NI -CU 6B DUNITIC NI -CU 7A SYNOROGENIC -SYNVOLCANIC NI -CU7B ANORTHOSITE -TI 8A PODIFORM CHROMITE8B MAJOR PODIFORM CHROMITE8C LIMASSOL FOREST CO -NI 8D SERPENTINE -HOSTED ASBESTOS8E SERPENTINITE -HOSTED MAGNESITE8F SERPENTINITE -HOSTED TALC -MAGNESITE8G ULTRAMAFIC -HOSTED TALC8J VERDE ANTIQUE9 ALASKAN PGE10 CARBONATITE

THE DIGITAL METALLOGENIC MAP THE DIGITAL METALLOGENIC MAP

OF SOUTH AMERICAOF SOUTH AMERICA

Size limits (tons of metal/mineral contained except otherwise indicated) Element

1-2 2-3 3-4 Ag 250 5,000 10,000 Al (Bauxite) 10,000,000 100,000,000 1,000,000,000 Amethyst (gem quality, kg) 500 5,000 10,000 Andalousite 1,000,000 5,000,000 Asbestos 100,000 2,000,000 10,000,000 Au 25 250 5,000 Barite 50,000 5,000,000 20,000,000 Bauxite (refractory) 100,000 2,500,000 15,000,000 Be (oxide) 100 1,000 10,000 Bentonite 500,000 5,000,000 10,000,000 Bi 100 1,000 10,000 Bitumen 10,000,000 100,000,000 500,000,000 Borates (B2O3) 500,000 10,000,000 100,000,000 Celestite 100,000 500,000 2,500,000 Clays 500,000 5,000,000 10,000,000 Co 1,000 20,000 100,000 Corundm (gem, kg) 25 500 1,000 Corundum 20,000 500,000 1,000,000 Cr 50,000 1,000,000 100,000,000 Cu 50,000 1,000,000 10,000,000 Diamond 1 10 15 Diatomite 100,000 2,000,000 20,000,000 Dimensional stones 5,000,000 20,000,000 100,000,000 Dolostone 5,000,000 20,000,000 100,000,000 Emerald (gem quality, kg) 25 500 1000

THE DIGITAL METALLOGENIC MAP THE DIGITAL METALLOGENIC MAP

OF SOUTH AMERICAOF SOUTH AMERICA

THE DIGITAL METALLOGENIC MAP THE DIGITAL METALLOGENIC MAP

OF SOUTH AMERICAOF SOUTH AMERICA

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Specific symbology

Color: Au

External ring

Deposit size

Placer type deposit, medium size

Deposit Clan

THE DIGITAL METALLOGENIC MAP THE DIGITAL METALLOGENIC MAP

OF SOUTH AMERICAOF SOUTH AMERICA

Look Up Table Archivo de Simbolos

SIMBOLOYAC_COD

Look_up_table

YacimientosCobertura Arc-Info

YAC_COD

Metal.mrk

Arc-info coverage Deposits Symbols fileLook up table

Symbols are generated from the database with an AML programThe diagram shows the relationship between data and symbology

THE DIGITAL METALLOGENIC MAP THE DIGITAL METALLOGENIC MAP

OF SOUTH AMERICAOF SOUTH AMERICA

Magmatic units 1.     Forearc volcanism2.     Forearc plutonism3.     Arc volcanism4.     Arc plutonism5.     Back arc volcanism6.     Back arc plutonism7.     Extensional volcanism8.     Extensional plutonism9.     Syncollisional volcanism10.  Syncollisional plutonism11.  Postcollisional or postorogenic volcanism12.  Postcollisional or postorogenic plutonism13.  Intraplate volcanism14.  Intraplate plutonism15.  Rapakivi granites16.  Island arc magmatism (with or without interbedded sediments)17.  Ophiolitic complex, oceanic basalt,ofiolitic mélange 18.  Stratified mafic complex19.  Greenstone belts20.  Kimberlites21.  Carbonatites22.  Alkaline complexes

Sedimentary sequences 1.    Plataform deposits2.    Continental passive margin deposits 3.    Transitional margin deposits (passive to active)4.    Talus deposits5.    Accretionary prism deposits6.    Fore arc deposits7.    Intraarc deposits8.    Back arc deposits9.    Foreland basin deposits10.  Marginal basin deposits11.  Intracratonic basin deposits12.  Rift deposits13.  Termal subsidence (SAG) deposits14.  Oblique flexural basin deposits15.  Pull apart basin deposits  Unclassified metamorphic units 1.   Sedimentary or volcano-sedimentary metamorphosed units2.   Igneous metamorphosed units3.   Volcanic metamorphosed units4.   Plutonic metamorphosed units

TECTONOSTRATIGRAPHIC UNITS CLASSIFICATIONTECTONOSTRATIGRAPHIC UNITS CLASSIFICATION

THE DIGITAL METALLOGENIC MAP THE DIGITAL METALLOGENIC MAP

OF SOUTH AMERICAOF SOUTH AMERICA

Mineral deposits info

Resources and grades info

Look up tables

Query tool

DATABASE SOFTWARE: World Mineral Geoscience Database Project DATABASE SOFTWARE: World Mineral Geoscience Database Project

Comprehensive database including information of more than 1,500 deposits

THE DIGITAL METALLOGENIC MAP THE DIGITAL METALLOGENIC MAP

OF SOUTH AMERICAOF SOUTH AMERICAMETALLIC PROVINCES AND BELTSMETALLIC PROVINCES AND BELTS

A second database has beenincorporated in the GIS,including more than 27,000deposits, in order to facilitate theProduction of thematic mapsshowing provinces, belts andDistricts.

Information contained:

• Country• Deposit name• Coordinates• Commodities

THE DIGITAL METALLOGENIC MAP THE DIGITAL METALLOGENIC MAP

OF SOUTH AMERICAOF SOUTH AMERICA

The first map: Stappenbeck, 1926

This version

THE DIGITAL METALLOGENIC MAP THE DIGITAL METALLOGENIC MAP

OF SOUTH AMERICAOF SOUTH AMERICA

From the GIS two main products will begenerated:

1. The metallogenic map at 1:5.000.0002. A deposits query system

Other derivated thematic products can begenerated like:

1. Metallogenic atlas2. Thematic maps for specific deposit

types or tectonic environments

THE DIGITAL METALLOGENIC MAP THE DIGITAL METALLOGENIC MAP

OF SOUTH AMERICAOF SOUTH AMERICA

PRODUCT AVAILABILITYPRODUCT AVAILABILITY

PRELIMINARY GIS

available in the WEB site of SEGEMAR by December 2004

PRESENTATION AND DISTRIBUTION OF FINAL PRODUCTS:

CGMW MEETING - PARIS, 2006BUENOS AIRES, 2006