Geology and resource assessment of the Venezuelan Guayana Shield at 1:500,000 scale

Online link https://geo-nsdi.er.usgs.gov/metadata/digital-data/46/metadata.faq.html
Description The data in this CD-ROM are based on a mineral resource assessment of the Venezuelan Guayana Shield, conducted between 1987 and 1991 by the U.S. Geological Survey and Corporaci—n Venezolana de Guayana, TŽcnica Minera, (USGS, 1993). The Venezuelan Shiel
Originators Schruben, Paul G.; Wynn, Jeffrey C.; Gray, Floyd; Cox, Dennis P.; Stewart, John H.; and Brooks, William E.
Publication U.S. Geological Survey Digital Data Series 46

Related topics

States or counties

Overview of attributes

These files are compatible with ArcView 1 and ARC/INFO Version 6.1.2 or later.  The files are contained in 11 directories.  Ten of those directories contain coverages for the individual quadrangle publications.  The eleventh directory, "vz",  contains the same information but in the form of a combined map with all the quadrangles tiled together into a single coverage.
The coverages for the individual quadrangles have the same features as the combined coverage.  The only differences are in some of the file names.  For instance, the place names and city points in the individual quadrangles are stored in files called "*anno5.e00" as opposed to "places.e00" for the combined coverage.
>ArcView views and themes                                coverage name
>-------------------------------------------------------------------
>
>Venezuelan Guayana Shield, all quadrangles              vz.av
>
>Venezuela national boundary                             vzctry
>Venezuela province boundary                             vzprov
>Scale bar annotation                                    scale
>Scale bar                                               scale
>Place names                                             places
>Place points                                            places
>Roads                                                   vzrd
>Outer quad outline                                      vzout
>Outer quad outline, lat/long numbers                    vzout
>Latitude/longitude tics                                 vztc
>Index map annotation                                    index
>Index map lat/long grid only                            grid
>Index map, colored countries, lat/long grid             index
>Streams annotation                                      vzst
>Streams                                                 vzst
>Mineral deposits                                        deposit
>Linear features annotation                              vzft
>Linear features                                         vzft
>A. Permissive domains annotation                        raanno
>A. Permissive domains leaders                           raanno
>A. Permissive domains for selected Fe, Au, Sn,          ra
>Cu deposits
>A. Permissive domains poly arcs only                    ra
>B. Permissive domains structure annotation              rbstruct
>B. Permissive domains structure lines                   rbstruct
>B. Permissive domains annotation                        rbanno
>B. Permissive domains leaders                           rbanno
>B. Permissive domains for selected Pb-Zn, Ni-Cu,        rb
>diamond, kaolin deposits
>B. Permissive domains poly arcs only                    rb
>Correlation of map units annotation                     vzcor
>Correlation of map units polygons                       vzcor
>Buried magnetic bodies                                  vzma
>Rock unit labels                                        vzlab
>Rock unit labels leaders                                vzlab
>Geology arcs                                            vzge
>Geology polygons                                        vzge
>
>
>Guri and southern part of the Tucupita 2øx3ø            gu.av
>quadrangles
>
>Index map, latitude/longitude tics                      vztc
>Index map, annotation                                   index
>Index map, lat/long grid only                           grid
>Index map, colored countries, lat/long grid             index
>Guri, quadrangle lat/long tics                          gutc
>Guri, quadrangle lat/long numbers                       guout
>Guri, quadrangle outline                                guout
>Guri, place name annotation                             guanno5
>Guri, city points                                       guanno5
>Guri, roads                                             gurd
>Guri, province boundary                                 gupl
>Guri, streams annotation                                gust
>Guri, streams                                           gust
>Guri, linear feature annotation                         guft
>Guri, linear features                                   guft
>Guri, correlation of map units annotation               gucor
>Guri, correlation of map units polygons                 gucor
>Guri, map key annotation                                guleg
>Guri, map key points                                    gulegpt
>Guri, map key arcs                                      guleg
>Guri, map key polygons                                  guleg
>Guri, scale bar annotation                              guscale
>Guri, scale bar                                         guscale
>Guri, rock unit labels                                  gulab
>Guri, rock unit labels leaders                          gulab
>Guri, geology arcs                                      guge
>Guri, geology polygons                                  guge
>
>
>Ciudad Piar and part of the Ciudad Bolivar 2øx3ø        pi.av
>quadrangles
>
>Index map, latitude/longitude tics                      vztc
>Index map, annotation                                   index
>Index map, lat/long grid only                           grid
>Index map, colored countries, lat/long grid             index
>Ciudad Piar, quadrangle lat/long tics                   pitc
>Ciudad Piar, quadrangle lat/long numbers                piout
>Ciudad Piar, quadrangle outline                         piout
>Ciudad Piar, place name annotation                      pianno5
>Ciudad Piar, city points                                pianno5
>Ciudad Piar, roads                                      pird
>Ciudad Piar, province boundary                          pipl
>Ciudad Piar, streams annotation                         pist
>Ciudad Piar, streams                                    pist
>Ciudad Piar, linear feature annotation                  pift
>Ciudad Piar, linear features                            pift
>Ciudad Piar, structural trends from SLAR                pisr
>Ciudad Piar, correlation of map units annotation        picor
>Ciudad Piar, correlation of map units polygons          picor
>Ciudad Piar, map key annotation                         pileg
>Ciudad Piar, map key points                             pilegpt
>Ciudad Piar, map key arcs                               pileg
>Ciudad Piar, map key polygons                           pileg
>Ciudad Piar, scale bar annotation                       piscale
>Ciudad Piar, scale bar                                  piscale
>Ciudad Piar, rock unit labels                           pilab
>Ciudad Piar, rock unit labels leaders                   pilab
>Ciudad Piar, kimberlite area annotation                 pima
>Ciudad Piar, kimberlite area                            pima
>Ciudad Piar, geology arcs                               pige
>Ciudad Piar, geology polygons                           pige
>
>
>San Fernando de Apure 2øx3ø quadrangle (Bolivar part)   sf.av
>
>Index map, latitude/longitude tics                      vztc
>Index map, annotation                                   index
>Index map, lat/long grid only                           grid
>Index map, colored countries, lat/long grid             index
>San Fernando, quadrangle lat/long tics                  sftc
>San Fernando, quadrangle lat/long numbers               sfout
>San Fernando, quadrangle outline                        sfout
>San Fernando, place name annotation                     sfanno5
>San Fernando, city points                               sfanno5
>San Fernando, province boundary                         sfpl
>San Fernando, streams annotation                        sfst
>San Fernando, streams                                   sfst
>San Fernando, linear features                           sfft
>San Fernando, correlation of map units annotation       sfcor
>San Fernando, correlation of map units polygons         sfcor
>San Fernando, map key annotation                        sfleg
>San Fernando, map key points                            sflegpt
>San Fernando, map key arcs                              sfleg
>San Fernando, map key polygons                          sfleg
>San Fernando, scale bar annotation                      sfscale
>San Fernando, scale bar                                 sfscale
>San Fernando, rock unit labels                          sflab
>San Fernando, rock unit label leaders                   sflab
>San Fernando, geology arcs                              sfge
>San Fernando, geology polygons                          sfge
>
>
>Santa Elena 2øx3ø quadrangle (Venezuela part)           se.av
>
>Index map, latitude/longitude tics                      vztc
>Index map, annotation                                   index
>Index map, lat/long grid only                           grid
>Index map, colored countries, lat/long grid             index
>Santa Elena, quadrangle lat/long tics                   setc
>Santa Elena, quadrangle lat/long numbers                seout
>Santa Elena, quadrangle outline                         seout
>Santa Elena, place name annotation                      seanno5
>Santa Elena, city points                                seanno5
>Santa Elena, roads                                      serd
>Santa Elena, province boundary                          sepl
>Santa Elena, stream annotation                          sest
>Santa Elena, streams                                    sest
>Santa Elena, linear feature annotation                  seft
>Santa Elena, linear features                            seft
>Santa Elena, correlation of map units annotation        secor
>Santa Elena, correlation of map units polygons          secor
>Santa Elena, map key annotation                         seleg
>Santa Elena, map key points                             selegpt
>Santa Elena, map key arcs                               seleg
>Santa Elena, map key polygons                           seleg
>Santa Elena, scale bar annotation                       sescale
>Santa Elena, scale bar                                  sescale
>Santa Elena, rock unit labels                           selab
>Santa Elena, rock unit labels leaders                   selab
>Santa Elena, geology arcs                               sege
>Santa Elena, geology polygons                           sege
>
>
>R¡o Caura 2ø by 3ø quadrangle                           ca.av
>
>Index map, latitude/longitude tics                      vztc
>Index map, annotation                                   index
>Index map, lat/long grid only                           grid
>Index map, colored countries, lat/long grid             index
>R¡o Caura, quadrangle lat/long tics                     catc
>R¡o Caura, quadrangle lat/long numbers                  caout
>R¡o Caura, quadrangle outline                           caout
>R¡o Caura, place name annotation                        caanno5
>R¡o Caura, city points                                  caanno5
>R¡o Caura, province boundary                            capl
>R¡o Caura, stream annotation                            cast
>R¡o Caura, streams                                      cast
>R¡o Caura, linear features annotation                   caft
>R¡o Caura, linear features                              caft
>R¡o Caura, correlation of map units annotation          cacor
>R¡o Caura, correlation of map units polygons            cacor
>R¡o Caura, map key annotation                           caleg
>R¡o Caura, map key points                               calegpt
>R¡o Caura, map key arcs                                 caleg
>R¡o Caura, map key magnetics                            caleg
>R¡o Caura, map key polygons                             caleg
>R¡o Caura, scale bar annotation                         cascale
>R¡o Caura, scale bar                                    cascale
>R¡o Caura, rock unit labels                             calab
>R¡o Caura, rock unit labels leaders                     calab
>R¡o Caura, buried magnetic bodies                       cama
>R¡o Caura, geology arcs                                 cage
>R¡o Caura, geology polygons                             cage
>
>
>Puerto Ayacucho 2øx3ø quadrangle (Venezuela part)       ay.av
>
>Index map, latitude/longitude tics                      vztc
>Index map, annotation                                   index
>Index map, lat/long grid only                           grid
>Index map, colored countries, lat/long grid             index
>Puerto Ayacucho, quadrangle lat/long tics               aytc
>Puerto Ayacucho, quadrangle lat/long numbers            ayout
>Puerto Ayacucho, quadrangle outline                     ayout
>Puerto Ayacucho, place name annotation                  ayanno5
>Puerto Ayacucho, city points                            ayanno5
>Puerto Ayacucho, roads                                  ayrd
>Puerto Ayacucho, province boundary                      aypl
>Puerto Ayacucho, streams annotation                     ayst
>Puerto Ayacucho, streams                                ayst
>Puerto Ayacucho, linear features                        ayft
>Puerto Ayacucho, correlation of map units annotation    aycor
>Puerto Ayacucho, correlation of map units polygons      aycor
>Puerto Ayacucho, map key annotation                     ayleg
>Puerto Ayacucho, map key points                         aylegpt
>Puerto Ayacucho, map key arcs                           ayleg
>Puerto Ayacucho, map key magnetics                      ayleg
>Puerto Ayacucho, map key polygons                       ayleg
>Puerto Ayacucho, scale bar annotation                   ayscale
>Puerto Ayacucho, scale bar                              ayscale
>Puerto Ayacucho, rock unit labels                       aylab
>Puerto Ayacucho, rock unit labels leaders               aylab
>Puerto Ayacucho, section line annotation                aylabcr
>Puerto Ayacucho, section line on map                    aylabcr
>Puerto Ayacucho, section annotation                     aycrm
>Puerto Ayacucho, section leaders                        aycrm
>Puerto Ayacucho, section geology arcs                   aycrm
>Puerto Ayacucho, section geology polygons               aycrm
>Puerto Ayacucho, buried mag annotation                  aymalab
>Puerto Ayacucho, buried mag leaders                     aymalab
>Puerto Ayacucho, buried magnetic bodies                 ayma
>Puerto Ayacucho, geology arcs                           ayge
>Puerto Ayacucho, geology polygons                       ayge
>
>
>La Esmeralda 2øx3ø quadrangle (Venezuela part)          es.av
>
>Index map, latitude/longitude tics                      vztc
>Index map, annotation                                   index
>Index map, lat/long grid only                           grid
>Index map, colored countries, lat/long grid             index
>La Esmeralda, quadrangle lat/long numbers               esout
>La Esmeralda, quadrangle outline                        esout
>La Esmeralda, place name annotation                     esanno5
>La Esmeralda, city points                               esanno5
>La Esmeralda, province boundary                         espl
>La Esmeralda, streams annotation                        esst
>La Esmeralda, streams                                   esst
>La Esmeralda, linear features                           esft
>La Esmeralda, structural trends from SLAR               essr
>La Esmeralda, correlation of map units annotation       escor
>La Esmeralda, correlation of map units polygons         escor
>La Esmeralda, map key annotation                        esleg
>La Esmeralda, map key points                            eslegpt
>La Esmeralda, map key arcs                              esleg
>La Esmeralda, map key polygons                          esleg
>La Esmeralda, rock unit labels                          eslab
>La Esmeralda, rock unit labels leaders                  eslab
>La Esmeralda, buried magnetic bodies                    esma
>La Esmeralda, geology arcs                              esge
>La Esmeralda, geology polygons                          esge
>
>
>Atabapo 2øx3ø quadrangle (Venezuela part)               at.av
>
>Index map, latitude/longitude tics                      vztc
>Index map, annotation                                   index
>Index map, lat/long grid only                           grid
>Index map, colored countries, lat/long grid             index
>Atabapo, quadrangle lat/long numbers                    atout
>Atabapo, quadrangle outline                             atout
>Atabapo, place name annotation                          atanno5
>Atabapo, swamp symbols                                  atanno5
>Atabapo, province boundary                              atpl
>Atabapo, streams annotation                             atst
>Atabapo, streams                                        atst
>Atabapo, linear features                                atft
>Atabapo, correlation of map units annotation            atcor
>Atabapo, correlation of map units polygons              atcor
>Atabapo, map key annotation                             atleg
>Atabapo, map key arcs                                   atleg
>Atabapo, map key magnetics                              atleg
>Atabapo, map key polygons                               atleg
>Atabapo, scale bar annotation                           atscale
>Atabapo, scale bar                                      atscale
>Atabapo, rock unit labels                               atlab
>Atabapo, rock unit labels leaders                       atlab
>Atabapo, buried magnetic bodies                         atma
>Atabapo, geology arcs                                   atge
>Atabapo, geology polygons                               atge
>
>
>R¡o Mavaca 2øx3ø quadrangle (Venezuela part)            ma.av
>
>Index map, latitude/longitude tics                      vztc
>Index map, annotation                                   index
>Index map, lat/long grid only                           grid
>Index map, colored countries, lat/long grid             index
>R¡o Mavaca, quadrangle lat/long numbers                 maout
>R¡o Mavaca, quadrangle outline                          maout
>R¡o Mavaca, place name annotation                       maanno5
>R¡o Mavaca, city points                                 maanno5
>R¡o Mavaca, streams annotation                          mast
>R¡o Mavaca, streams                                     mast
>R¡o Mavaca, linear features                             maft
>R¡o Mavaca, correlation of map units annotation         macor
>R¡o Mavaca, correlation of map units polygons           macor
>R¡o Mavaca, map key annotation                          maleg
>R¡o Mavaca, map key arcs                                maleg
>R¡o Mavaca, map key magnetics                           maleg
>R¡o Mavaca, map key polygons                            maleg
>R¡o Mavaca, scale bar annotation                        mascale
>R¡o Mavaca, scale bar                                   mascale
>R¡o Mavaca, rock unit labels                            malab
>R¡o Mavaca, rock unit labels leaders                    malab
>R¡o Mavaca, geology arcs                                mage
>R¡o Mavaca, buried magnetic bodies                      mama
>R¡o Mavaca, geology polygons                            mage
>
>
>Piedra de Cocuy 2øx3ø quadrangle (Venezuela part)       pc.av
>
>Index map, latitude/longitude tics                      vztc
>Index map, annotation                                   index
>Index map, lat/long grid only                           grid
>Index map, colored countries, lat/long grid             index
>Piedra de Cocuy, quadrangle lat/long numbers            pcout
>Piedra de Cocuy, quadrangle outline                     pcout
>Piedra de Cocuy, place name annotation                  pcanno5
>Piedra de Cocuy, city points                            pcanno5
>Piedra de Cocuy, province boundary                      pcpl
>Piedra de Cocuy, streams annotation                     pcst
>Piedra de Cocuy, streams                                pcst
>Piedra de Cocuy, linear features                        pcft
>Piedra de Cocuy, structural trends from SLAR            pcsr
>Piedra de Cocuy, correlation of map units annotation    pccor
>Piedra de Cocuy, correlation of map units polygons      pccor
>Piedra de Cocuy, map key annotation                     pcleg
>Piedra de Cocuy, map key points                         pclegpt
>Piedra de Cocuy, map key arcs                           pcleg
>Piedra de Cocuy, map key magnetics                      pcleg
>Piedra de Cocuy, map key polygons                       pcleg
>Piedra de Cocuy, scale bar annotation                   pcscale
>Piedra de Cocuy, scale bar                              pcscale
>Piedra de Cocuy, rock unit labels                       pclab
>Piedra de Cocuy, rock unit labels leaders               pclab
>Piedra de Cocuy, geology arcs                           pcge
>Piedra de Cocuy, buried magnetic bodies                 pcma
>Piedra de Cocuy, geology polygons                       pcge

More detailed information can be found on the online help file from http://pubs.usgs.gov/dds/dds46/ and the U.S. Geological Survey Bulletin 2062.

VZGE.PAT

Venezuelan Guyana Shield geologic map units

Label Definition
Lc mixed-case rock-unit code
FMATN Upper-case rock unit code
PTYPEI PTYPEI is a two-digit integer that is used to sort the units into groups of related rocks. The PTYPEI integer is not distict for every rock type but changes for different quadrangles.
DESC Short description of rock unit.
PTYPES & PTYPER PTYPES is composed of PTYPEI, Lc, and DESC.

VZGE.AAT

Geologic and other contacts

Label Definition
DESC Short description of contact type
FTYPEI assigned number for each contact type
FTYPES composed of FTYPEI and DESC

VZFT.AAT

mapped faults

Label Definition
FTYPEI assigned number for each fault type
DESC Short description of fault
FTYPES composed of FTYPEI and DESC

RA.PAT

Resources in TRACT MAP A

Label Definition
TRACT symbol contains roman numeral and lower-case letter and distinguishes between mineral deposits
FMATN symbol contains number and upper-case letter and distinguishes between mineral deposits
DESC Short description of type of mineral deposit
KEY composed of TRACT and DESC

RB.PAT

Resources in TRACT MAP B

Label Definition
TRACT symbol contains roman numeral and distinguishes between mineral deposits
FMATN symbol contains roman numeral and distinguishes between mineral deposits
DESC short description of mineral deposit type
KEY composed of TRACT and DESC

DEPOSIT

mineral deposits, prospects, and occurrences

Label Definition
Site deposit site name
City_code two letter code for country where deposit is located
STATE distinct area of the country where the deposit is located
LATITUDE Latitude of deposit
LONGITUDE Longitude of deposit
COMMOD_GP main commercial deposit
COMMOD list of abbreviated commercial deposits
COMMODL abbreviated main commercial deposit
ORE.MAT ore material
DEP.TYPE type of deposit
DEP.COMMENTS comments on the deposit type
MODEL Model of the deposit type
HOST.RK.NAME Name of host rock
HOST.RK.TYPE Type of host rock
HOST.RK.AGE Age of host rock
ASSOC.RK.NAME Name of associated rock
ASSOC.RK.TYPE Type of associated rock
ASSOC.RK.AGE Age of associated rock
ALTERATION alteration of surrounding rocks
GEOL.COMMENTS Comments on the geology
GEN.COMMENTS General comments
REFERENCE Citation of reference work

VZMA.PAT

Buried magnetic bodies in Venezuela.

Label Definition
DEPTH Depth to magnetic body
CROSS characteristics of magnetic body