No. Registros Solicitud 1 5614 colombia



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UD - UPDATE CODE: 1965

Registro 2805 de 5614 - GeoRef Disc 1: 1785-1974

BK - BOOK TITLE: Guidebook to the geology of the De Mares concession; field trip of February 26-28, 1965.

BA - BOOK AUTHORS: Taborda-A-Bernardo

NT - NOTES: Colombian Soc. Petroleum Geologists & Geophysicists, Bogota;

PB - PUBLISHER: Pages: 25. 1965.

PY - PUBLICATION YEAR: 1965

LA - LANGUAGE: English

AB - ABSTRACT: Formations ranging from Jurassic, exposed in the Cordillera Oriental, to Pliocene crop out successively westward across the concession area. The section is characterized by a major pre-Eocene unconformity. Production is from Oligocene (and lower Miocene) sands associated with a series of anticlinal structures splaying off and diverging northward from the La Salina fault, the principal structural feature of the area. Details of the various members of the section and the principal structures are reported, as well as data on production in the various fields of the concession.

DE - DESCRIPTORS: Cenozoic-; Colombia-; Cretaceous-; De-Mares-concession; De-Mares-oil-concession-area; economic-geology; field-trips; Geologic-formation-tables; geologic-maps; guidebook-; maps-; Mesozoic-; petroleum-; South-America; Tertiary-

CC - CATEGORY CODES: 29-Economic-geology-of-energy-sources

DT - DOCUMENT TYPE: Map

BL - BIB LEVEL: Monograph

MS - MAP SCALE: 1:200,000

MP - MAP TYPE: geologic-maps

IL - ILLUSTRATION: illus.

RF - REFERENCE SOURCE: GeoRef, Copyright 2000, American Geological Institute. Reference includes data from Bibliography and Index of Geology Exclusive of North America, Geological Society of America, Boulder, CO, United States

AN - ACCESSION NUMBER: 1965-004853

UD - UPDATE CODE: 1965

Registro 2806 de 5614 - GeoRef Disc 1: 1785-1974

BK - BOOK TITLE: Boletines sismicos de las estaciones sismologicas colombianas bogota, chinchina, fuquene y galerazamba durante el ano de 1962 (seismological bulletins of the colombia seismological stations bogota, chinchina, fuquene, and galerazamba during the year.

BA - BOOK AUTHORS: Miranda-Francisco

SO - SOURCE: Javeriana pontif. univ. inst. geofisico andes colombianos bol., ser. a. 23; 1965.

PB - PUBLISHER: Pages: 52. 1965.

PY - PUBLICATION YEAR: 1965

LA - LANGUAGE: Spanish

DE - DESCRIPTORS: 1962-; catalogs-; Colombia-; earthquakes-; South-America

CC - CATEGORY CODES: 19-Seismology

DT - DOCUMENT TYPE: Serial

BL - BIB LEVEL: Monograph

RF - REFERENCE SOURCE: GeoRef, Copyright 2000, American Geological Institute. Reference includes data from Geophysical Abstracts, U. S. Geological Survey, Reston, VA, United States

AN - ACCESSION NUMBER: 1966-003283

UD - UPDATE CODE: 1966

Registro 2807 de 5614 - GeoRef Disc 1: 1785-1974

TI - TITLE: Das neue Delta des Rio Sinu an der karibischen Kueste Kolumbiens; geographische Interpretation und kartographische Auswertung von Luftbildern.

AU - AUTHORS: Troll-Carl; Schmidt-Kraepelin-Ernst

SO - SOURCE: Erdkunde. 19; 1, Pages 14-23. 1965.

PB - PUBLISHER: Duemmlers Verlag, Ferd.. Bonn, Federal Republic of Germany. 1965.

CP - COUNTRY OF PUBLICATION: Federal-Republic-of-Germany

PY - PUBLICATION YEAR: 1965

LA - LANGUAGE: German

AB - ABSTRACT: In 1942-1943, the Sinu river, Colombia, breached the beach ridge behind which it had previously flowed, forming a delta. A study of aerial photographs taken before and after the catastrophic change of course in the delta region indicates that, in addition to natural conditions, human interference with the natural drainage was also responsible for the breaching.

DE - DESCRIPTORS: change-in-river-course; Colombia-; deltas-; Drainage-systems; engineering-geology; Erosion-and-sedimentation; evolution-; fluvial-features; geomorphology-; human-activity; new-delta; photogeology-; Sinu-river; Sinu-river-delta; South-America

CC - CATEGORY CODES: 23-Geomorphology; 30-Engineering-geology

DT - DOCUMENT TYPE: Serial

BL - BIB LEVEL: Analytic

IL - ILLUSTRATION: illus. incl. maps.

RF - REFERENCE SOURCE: GeoRef, Copyright 2000, American Geological Institute. Reference includes data from Bibliography and Index of Geology Exclusive of North America, Geological Society of America, Boulder, CO, United States

IS - ISSN: 0014-0015

CO - CODEN: ERDKA6

AN - ACCESSION NUMBER: 1967-003406

UD - UPDATE CODE: 1967

Registro 2808 de 5614 - GeoRef Disc 1: 1785-1974

TI - TITLE: Nota preliminar sobre la fauna de vertebrados hallada in Curit (departamento de Santander, Colombia).

AU - AUTHORS: Porta-Jaime-de

SO - SOURCE: Boletin de Geologia (Bucaramanga). 19; Pages 111-115. 1965.

PB - PUBLISHER: Universidad Industrial de Santander. Bucaramanga, Colombia. 1965.

CP - COUNTRY OF PUBLICATION: Colombia

PY - PUBLICATION YEAR: 1965

LA - LANGUAGE: Spanish

LS - LANGUAGE OF SUMMARY: English; French

AB - ABSTRACT: Recent quarrying operations near Curit, Colombia, in the Cretaceous Rosablanca formation, have exposed a zone of extensive fissure and cave development. Fragments of Recent or sub-Recent vertebrate material, mixed with a Cretaceous invertebrate fauna, occur in the fissures. Fragments of amphibians, reptiles, and various mammals have been recovered and are listed.

DE - DESCRIPTORS: amphibians-reptiles-mammals; Cenozoic-; Chordata-; Colombia-; Cretaceous-; Curit-area; Holocene-; Invertebrata-; Mesozoic-; paleontology-; Quaternary-; Quaternary-and-Cretaceous; South-America; Vertebrata-; Vertebrata-and-Invertebrata; vertebrates-in-caves-and-fissures; with-Cretaceous-invertebrates; with-Quaternary-vertebrates

CC - CATEGORY CODES: 08-General-paleontology

DT - DOCUMENT TYPE: Serial

BL - BIB LEVEL: Analytic

IL - ILLUSTRATION: illus.

RF - REFERENCE SOURCE: GeoRef, Copyright 2000, American Geological Institute. Reference includes data from Bibliography and Index of Geology Exclusive of North America, Geological Society of America, Boulder, CO, United States

IS - ISSN: 0120-0283

CO - CODEN: UISBAV

AN - ACCESSION NUMBER: 1967-003661

UD - UPDATE CODE: 1967

Registro 2809 de 5614 - GeoRef Disc 1: 1785-1974

TI - TITLE: A contribution to the knowledge of the Devonian faunas of Colombia.

AU - AUTHORS: Morales-P-A

SO - SOURCE: Boletin de Geologia (Bucaramanga). 19; Pages 51-94. 1965.

PB - PUBLISHER: Universidad Industrial de Santander. Bucaramanga, Colombia. 1965.

CP - COUNTRY OF PUBLICATION: Colombia

PY - PUBLICATION YEAR: 1965

LA - LANGUAGE: English

AB - ABSTRACT: This is a study of the Colombian Devonian invertebrate fauna as part of a thesis written at Cornell University. Three classic localities, Floresta (Boyaca), Manaure (Magdalena), and Gutierrez (Cundinamarca), were sampled. A total of 72 species were identified. Of these 30 are new for the Colombian Devonian and 14 are new for South America. Most of the species are brachiopods although a few trilobites, gastropods, and pelecypods also occur. The relationship between Colombian and other South and North American Devonian faunas is discussed.

DE - DESCRIPTORS: Colombia-; Devonian-; Invertebrata-; paleontology-; Paleozoic-; South-America

CC - CATEGORY CODES: 10-Invertebrate-paleontology

DT - DOCUMENT TYPE: Serial

BL - BIB LEVEL: Analytic

IL - ILLUSTRATION: illus. incl. sketch maps.

RF - REFERENCE SOURCE: GeoRef, Copyright 2000, American Geological Institute. Reference includes data from Bibliography and Index of Geology Exclusive of North America, Geological Society of America, Boulder, CO, United States

IS - ISSN: 0120-0283

CO - CODEN: UISBAV

AN - ACCESSION NUMBER: 1967-003662

UD - UPDATE CODE: 1967

Registro 2810 de 5614 - GeoRef Disc 1: 1785-1974

TI - TITLE: La estratigrafa del cretacico superior y terciario en el extremo S del valle medio del Magdalena.

AU - AUTHORS: Porta-Jaime-de

SO - SOURCE: Boletin de Geologia (Bucaramanga). 19; Pages 5-50. 1965.

PB - PUBLISHER: Universidad Industrial de Santander. Bucaramanga, Colombia. 1965.

CP - COUNTRY OF PUBLICATION: Colombia

PY - PUBLICATION YEAR: 1965

LA - LANGUAGE: Spanish

LS - LANGUAGE OF SUMMARY: English; French

AB - ABSTRACT: This is a comprehensive report on the Cretaceous and Tertiary stratigraphy of the middle Magdalena valley of Colombia. In the Girardot-Guataqu area the upper Cretaceous is composed of the Hondita formation, Loma Gorda formation, Olini group, and La Tabla formation. These beds are correlated with the Cimarrona formation along the Cordillera Oriental. The Tertiary, clastic nonmarine sediments are more difficult to correlate. In the Jerusalen-Guaduas syncline, the Tertiary sequence from oldest to youngest is the Sica formation, Hoyon formation, San Juan de Ro Seco formation, and Santa Teresa formation. In the middle Magdalena valley the Tertiary sequence is: the Cambras formation, San Antonio formation, Los Limones formation, and the Mesa formation. Many of the formational names used are introduced for the first time and supplant older, well known terms. The Quaternary is represented by a series of alluvial cones which issue from the Cordillera Central to the west; some extend to the Magdalena river. The structure of the valley is briefly considered.

DE - DESCRIPTORS: Cenozoic-; Colombia-; Cretaceous-; Magdalena-Valley; marine-clastics; Mesozoic-; South-America; stratigraphy-; Tertiary-; upper-

CC - CATEGORY CODES: 12-Stratigraphy

DT - DOCUMENT TYPE: Serial

BL - BIB LEVEL: Analytic

IL - ILLUSTRATION: illus. incl. sketch map.

RF - REFERENCE SOURCE: GeoRef, Copyright 2000, American Geological Institute. Reference includes data from Bibliography and Index of Geology Exclusive of North America, Geological Society of America, Boulder, CO, United States

IS - ISSN: 0120-0283

CO - CODEN: UISBAV

AN - ACCESSION NUMBER: 1967-003663

UD - UPDATE CODE: 1967

Registro 2811 de 5614 - GeoRef Disc 1: 1785-1974

TI - TITLE: The Santa Marta wrench fault of Colombia and its regional setting.

AU - AUTHORS: Campbell-C-J

SO - SOURCE: Boletin Informativo - Asociacion Venezolana de Geologia, Mineria y Petroleo. 8; 3, Pages 77. 1965.

PB - PUBLISHER: Asociacion Venezolana de Geologia, Mineria y Petroleo. Caracas, Venezuela. 1965.

CP - COUNTRY OF PUBLICATION: Venezuela

PY - PUBLICATION YEAR: 1965

LA - LANGUAGE: English

DE - DESCRIPTORS: Colombia-; faults-; Santa-Marta-fault; South-America; structural-geology; Wrench-

CC - CATEGORY CODES: 16-Structural-geology

DT - DOCUMENT TYPE: Serial

BL - BIB LEVEL: Analytic

RF - REFERENCE SOURCE: GeoRef, Copyright 2000, American Geological Institute. Reference includes data from Bibliography and Index of Geology Exclusive of North America, Geological Society of America, Boulder, CO, United States

IS - ISSN: 0571-4338

CO - CODEN: BVGPAV

AN - ACCESSION NUMBER: 1967-010865

UD - UPDATE CODE: 1967

Registro 2812 de 5614 - GeoRef Disc 1: 1785-1974

TI - TITLE: Magdalena turbidites in deep-sea sediments.

AU - AUTHORS: Heezen-Bruce-C; Munoz-J-Nicolas-Gerardo

SO - SOURCE: Boletin Informativo - Asociacion Venezolana de Geologia, Mineria y Petroleo. 8; 3, Pages 79-80. 1965.

PB - PUBLISHER: Asociacion Venezolana de Geologia, Mineria y Petroleo. Caracas, Venezuela. 1965.

CP - COUNTRY OF PUBLICATION: Venezuela

PY - PUBLICATION YEAR: 1965

LA - LANGUAGE: English

DE - DESCRIPTORS: abyssal-plain; Colombia-; marine-geology; petrology-; sediments-; South-America; turbidite-

CC - CATEGORY CODES: 05-Igneous-and-metamorphic-petrology; 07-Oceanography

DT - DOCUMENT TYPE: Serial

BL - BIB LEVEL: Analytic

RF - REFERENCE SOURCE: GeoRef, Copyright 2000, American Geological Institute. Reference includes data from Bibliography and Index of Geology Exclusive of North America, Geological Society of America, Boulder, CO, United States

IS - ISSN: 0571-4338

CO - CODEN: BVGPAV

AN - ACCESSION NUMBER: 1967-010869

UD - UPDATE CODE: 1967

Registro 2813 de 5614 - GeoRef Disc 1: 1785-1974

TI - TITLE: Geology of the Serrana de Macuira area, Guajira peninsula, northeast Colombia.

AU - AUTHORS: MacDonald-W-D

SO - SOURCE: Boletin Informativo - Asociacion Venezolana de Geologia, Mineria y Petroleo. 8; 3, Pages 83. 1965.

PB - PUBLISHER: Asociacion Venezolana de Geologia, Mineria y Petroleo. Caracas, Venezuela. 1965.

CP - COUNTRY OF PUBLICATION: Venezuela

PY - PUBLICATION YEAR: 1965

LA - LANGUAGE: English

DE - DESCRIPTORS: areal-geology; Colombia-; Serrana-de-Macuira-area; South-America

CC - CATEGORY CODES: 13-Areal-geology

DT - DOCUMENT TYPE: Serial

BL - BIB LEVEL: Analytic

RF - REFERENCE SOURCE: GeoRef, Copyright 2000, American Geological Institute. Reference includes data from Bibliography and Index of Geology Exclusive of North America, Geological Society of America, Boulder, CO, United States

IS - ISSN: 0571-4338

CO - CODEN: BVGPAV

AN - ACCESSION NUMBER: 1967-010872

UD - UPDATE CODE: 1967

Registro 2814 de 5614 - GeoRef Disc 1: 1785-1974

BK - BOOK TITLE: Geology of the Serrania de Macuira area, Guajira Peninsula, Colombia.

BA - BOOK AUTHORS: MacDonald-William-David

CP - COUNTRY OF PUBLICATION: United-States

PY - PUBLICATION YEAR: 1965

DG - DEGREE GRANTED: Doctoral

DI - DEGREE GRANTING INSTITUTION: Princeton University. Princeton, NJ, United States. Pages: 167. 1965.

LA - LANGUAGE: English

DE - DESCRIPTORS: areal-geology; Colombia-; Serrania-de-Macuira; South-America

CC - CATEGORY CODES: 13-Areal-geology

DT - DOCUMENT TYPE: Thesis-or-Dissertation

BL - BIB LEVEL: Monograph

RF - REFERENCE SOURCE: GeoRef, Copyright 2000, American Geological Institute.

AN - ACCESSION NUMBER: 1967-016003

UD - UPDATE CODE: 1967

Registro 2815 de 5614 - GeoRef Disc 1: 1785-1974

BK - BOOK TITLE: Review of the geology and petroleum possibilities of Colombia, South America.

BA - BOOK AUTHORS: Keplinger-Henry-Ferdinand

CP - COUNTRY OF PUBLICATION: United-States

PY - PUBLICATION YEAR: 1965

DG - DEGREE GRANTED: Master's

DI - DEGREE GRANTING INSTITUTION: University of Tulsa. Tulsa, OK, United States. Pages: 99. 1965.

LA - LANGUAGE: English

DE - DESCRIPTORS: areal-geology; Colombia-; petroleum-; possibilities-; regional-; South-America

CC - CATEGORY CODES: 29-Economic-geology-of-energy-sources

DT - DOCUMENT TYPE: Thesis-or-Dissertation

BL - BIB LEVEL: Monograph

RF - REFERENCE SOURCE: GeoRef, Copyright 2000, American Geological Institute.

AN - ACCESSION NUMBER: 1967-016975

UD - UPDATE CODE: 1967

Registro 2816 de 5614 - GeoRef Disc 1: 1785-1974

BK - BOOK TITLE: Geology of the Serrania de Jarara area, Guajira Peninsula, Colombia.

BA - BOOK AUTHORS: Lockwood-John-Paul

CP - COUNTRY OF PUBLICATION: United-States

PY - PUBLICATION YEAR: 1965

DG - DEGREE GRANTED: Doctoral

DI - DEGREE GRANTING INSTITUTION: Princeton University. Princeton, NJ, United States. Pages: 237. 1965.

LA - LANGUAGE: English

DE - DESCRIPTORS: areal-geology; Colombia-; Guajira-Peninsula; Serrania-de-Jarara; South-America

CC - CATEGORY CODES: 13-Areal-geology

DT - DOCUMENT TYPE: Thesis-or-Dissertation

BL - BIB LEVEL: Monograph

RF - REFERENCE SOURCE: GeoRef, Copyright 2000, American Geological Institute.

AN - ACCESSION NUMBER: 1967-016993

UD - UPDATE CODE: 1967

Registro 2817 de 5614 - GeoRef Disc 1: 1785-1974

BK - BOOK TITLE: A contribution to the knowledge of the Colombian Devonian strata and their faunas.

BA - BOOK AUTHORS: Morales-Pedro-Augusto

CP - COUNTRY OF PUBLICATION: United-States

PY - PUBLICATION YEAR: 1965

DG - DEGREE GRANTED: Master's

DI - DEGREE GRANTING INSTITUTION: Cornell University. Ithaca, NY, United States. 1965.

LA - LANGUAGE: English

DE - DESCRIPTORS: Colombia-; Devonian-; Invertebrata-; Paleozoic-; regional-; South-America; stratigraphy-

CC - CATEGORY CODES: 12-Stratigraphy

DT - DOCUMENT TYPE: Thesis-or-Dissertation

BL - BIB LEVEL: Monograph

RF - REFERENCE SOURCE: GeoRef, Copyright 2000, American Geological Institute.

AN - ACCESSION NUMBER: 1967-017116

UD - UPDATE CODE: 1967

Registro 2818 de 5614 - GeoRef Disc 1: 1785-1974

BK - BOOK TITLE: A new notoungulate of the family Leontiniidae from the Miocene of Colombia.

BA - BOOK AUTHORS: Colwell-Jane

CP - COUNTRY OF PUBLICATION: United-States

PY - PUBLICATION YEAR: 1965

DG - DEGREE GRANTED: Master's

DI - DEGREE GRANTING INSTITUTION: University of California, Berkeley. Berkeley, CA, United States. Pages: 74. 1965.

LA - LANGUAGE: English

DE - DESCRIPTORS: Cenozoic-; Chordata-; Colombia-; Leontiniidae-; Mammalia-; Miocene-; Neogene-; notoungulate-; paleontology-; regional-; South-America; Tertiary-; Tetrapoda-; Vertebrata-

CC - CATEGORY CODES: 11-Vertebrate-paleontology

DT - DOCUMENT TYPE: Thesis-or-Dissertation

BL - BIB LEVEL: Monograph

RF - REFERENCE SOURCE: GeoRef, Copyright 2000, American Geological Institute.

AN - ACCESSION NUMBER: 1967-018057

UD - UPDATE CODE: 1967

Registro 2819 de 5614 - GeoRef Disc 1: 1785-1974

TI - TITLE: Contribution a la geologie de l'occident andin colombien dans les departements de Caldas et Antioquia

Translated Title: Contribution to the geology of the western Colombian Andes in the departments of Caldas and Antioquia.

AU - AUTHORS: Radelli-Luigi

SO - SOURCE: Travaux du Laboratoire de Geologie de la Faculte des Sciences de Grenoble. 41; Pages 187-208. 1965.

PB - PUBLISHER: Laboratoire de Geologie et de Mineralogie, Faculte des Sciences. Grenoble, France. 1965.

CP - COUNTRY OF PUBLICATION: France

PY - PUBLICATION YEAR: 1965

LA - LANGUAGE: French

AB - ABSTRACT: The Cordillera Central and the Cordillera Occidental in the Caldas-Antioquia region of central Colombia are formed of Mesozoic (pre-Albian) parametamorphic rocks and ophiolites, Aptian-Albian quartz diorites, Albian (Cretaceous) transgressive sedimentary rocks, Tertiary continental sediments intruded by Pontian (Miocene) microdiorites, Tertiary-Quaternary hornblende andesites, and Pliocene conglomerates. Prior to the Aptian the region was part of a eugeosyncline undergoing sedimentary filling from the east, with contemporaneous submarine volcanic extrusions and progressive metamorphism at depth. Two granitized pre-cordilleran ranges developed on the site of the present mountain chains during the Aptian and Albian. In adjacent basins, the extrusion of basic submarine lavas continued into the Paleocene, when Laramide uplift occurred. Continental sediments and andesitic volcanics were deposited during the Tertiary, and were intruded by Pontian (Miocene) microdiorites. The principal uplift occurred in the Pliocene, along large marginal faults. Pyrite, sphalerite, and galena, with silver and gold, occur in the Aptian-Albian diorite and the Tertiary microdiorite.

DE - DESCRIPTORS: areal-geology; Caldas-Antioquia; Colombia-; South-America

CC - CATEGORY CODES: 13-Areal-geology

DT - DOCUMENT TYPE: Serial

BL - BIB LEVEL: Analytic

IL - ILLUSTRATION: illus. incl. geol. sketch map.

RF - REFERENCE SOURCE: GeoRef, Copyright 2000, American Geological Institute. Reference includes data from Bibliography and Index of Geology Exclusive of North America, Geological Society of America, Boulder, CO, United States

IS - ISSN: 0371-9103

CO - CODEN: 001780

AN - ACCESSION NUMBER: 1968-000273

UD - UPDATE CODE: 1968

Registro 2820 de 5614 - GeoRef Disc 1: 1785-1974

TI - TITLE: Note preliminaire sur la geologie et la genese des granites des Andes

Translated Title: Preliminary note on the geology and the genesis of the granites of the Andes.

AU - AUTHORS: Radelli-Luigi

SO - SOURCE: Travaux du Laboratoire de Geologie de la Faculte des Sciences de Grenoble. 41; Pages 209-218. 1965.

PB - PUBLISHER: Laboratoire de Geologie et de Mineralogie, Faculte des Sciences. Grenoble, France. 1965.

CP - COUNTRY OF PUBLICATION: France

PY - PUBLICATION YEAR: 1965

LA - LANGUAGE: French

AB - ABSTRACT: Three genetically different types of granite occur in the Andes of Colombia and Bolivia. This preliminary paper summarizes their known characteristics and origins. One type includes anatectic and synkinematic granites resulting from ultrametamorphism in the solid state within regions characterized by only slight folding. This type of granitization began with the upward migration of a basic front. A second type is of intrusive origin, formed as a result of the fusion of preexisting rocks during phases of intense movement within high levels of the crust. This type is the classic magmatic granite crystallizing from molten magma. The melting takes place in zones of tension such as synclines, and may form diapirs. The third type develops by selective metasomatism of effusive basic submarine rocks. This type characteristically occurs in geanticlinal ridges.

DE - DESCRIPTORS: Bolivia-Colombia; genesis-; granites-; igneous-rocks; magmas-; petrology-; plutonic-rocks; South-America

CC - CATEGORY CODES: 05-Igneous-and-metamorphic-petrology

DT - DOCUMENT TYPE: Serial

BL - BIB LEVEL: Analytic

RF - REFERENCE SOURCE: GeoRef, Copyright 2000, American Geological Institute. Reference includes data from Bibliography and Index of Geology Exclusive of North America, Geological Society of America, Boulder, CO, United States

IS - ISSN: 0371-9103

CO - CODEN: 001780

AN - ACCESSION NUMBER: 1968-000274

UD - UPDATE CODE: 1968

Registro 2821 de 5614 - GeoRef Disc 1: 1785-1974

TI - TITLE: Metallogenic belts and 'igneous' rocks of Colombian Andes.

AU - AUTHORS: Radelli-Luigi

SO - SOURCE: Travaux du Laboratoire de Geologie de la Faculte des Sciences de Grenoble. 41; Pages 219-228. 1965.

PB - PUBLISHER: Laboratoire de Geologie et de Mineralogie, Faculte des Sciences. Grenoble, France. 1965.

CP - COUNTRY OF PUBLICATION: France

PY - PUBLICATION YEAR: 1965

LA - LANGUAGE: English

AB - ABSTRACT: The Colombian Andes show the effects of Hercynian (late Paleozoic), Cretaceous-Tertiary and Pontian (Miocene) metallogenic epochs. Hercynian granites of the Cordillera Oriental, formed by the granitization of calcareous shale that had undergone melting in the meso-epizone, enclose gold- and silver-bearing Fe, Cu, Pb, and Zn sulfide ore bodies. Cretaceous-Tertiary diorites, resulting from quartz-alkalic metasomatism of ophiolitic rocks, include dikes containing chalcopyrite, auriferous pyrite and marmatite, argentiferous galena, and cinnabar. Miocene microdiorites resulting from the melting and subsequent diapiric movement of Cretaceous-Tertiary diorites include subvolcanic dikes with chalcopyrite, auriferous pyrite and marmatite, and argentiferous galena.

DE - DESCRIPTORS: Andes-; Colombia-; economic-geology; genesis-; igneous-rocks; metals-; mineral-deposits,-genesis; South-America


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