No. Registros Solicitud 1 5614 colombia
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CP - COUNTRY OF PUBLICATION: United-States PY - PUBLICATION YEAR: 1956 DG - DEGREE GRANTED: Master's DI - DEGREE GRANTING INSTITUTION: University of Wisconsin-Madison. Madison, WI, United States. 1956. LA - LANGUAGE: English DE - DESCRIPTORS: Cenozoic-; clastic-rocks; Colombia-; deposition-; depositional-environment; environment-; interpretation-; isopach-maps; maps-; sandstone-; sedimentary-rocks; sedimentation-; shale-; South-America; stratigraphy-; Tertiary-; Velasquez-Field CC - CATEGORY CODES: 12-Stratigraphy; 06A-Sedimentary-petrology DT - DOCUMENT TYPE: Thesis-or-Dissertation BL - BIB LEVEL: Monograph RF - REFERENCE SOURCE: GeoRef, Copyright 2000, American Geological Institute. AN - ACCESSION NUMBER: 1990-072372 UD - UPDATE CODE: 1990 Registro 2994 de 5614 - GeoRef Disc 1: 1785-1974 BK - BOOK TITLE: Recursos naturales de las aguas no atmosfericas Translated Title: Non-atmospheric water natural resources. BA - BOOK AUTHORS: Perez-Arbelaez-Enrique BF - BOOK AUTHOR AFFILIATION: Inst. Geogr. Colomb. "Agustin Codazzi", Bogota, Colombia CT - COLLECTION TITLE: In the collection: Recursos naturales de Colombia; su genesis, su medida, su aprovechamiento, conservacion y renovacion; dificultades naturales de Colombia y lucha contra ellas. 1956.; (6.) SO - SOURCE: 3; Pages 249-334. 1956. PB - PUBLISHER: Inst. Geogr. Colomb. "Agustin Codazzi". Bogota, Colombia. 1956. CP - COUNTRY OF PUBLICATION: Colombia PY - PUBLICATION YEAR: 1956 LA - LANGUAGE: Spanish DE - DESCRIPTORS: Colombia-; development-; economic-geology; ground-water; hydrogeology-; resources-; South-America; water-resources CC - CATEGORY CODES: 21-Hydrogeology DT - DOCUMENT TYPE: Book BL - BIB LEVEL: Monograph IL - ILLUSTRATION: illus. incl. 9 tables, 26 plates. RF - REFERENCE SOURCE: GeoRef, Copyright 2000, American Geological Institute. AN - ACCESSION NUMBER: 1991-050538 UD - UPDATE CODE: 1991 Registro 2995 de 5614 - GeoRef Disc 1: 1785-1974 TI - TITLE: Geological development of the Colombian Andes. AU - AUTHORS: Belding-H-F BK - BOOK TITLE: In: Conf. Latin-Am. Geol., Pr. SO - SOURCE: Pages 43-63. 1955. PY - PUBLICATION YEAR: 1955 LA - LANGUAGE: English AB - ABSTRACT: Reviews the paleogeographic history and structural evolution of the Colombian Andes during the Cretaceous and Tertiary, with particular reference to the development of sedimentary basin areas which are potentially petroliferous. DE - DESCRIPTORS: Andes-; Cenozoic-; Colombia-; Cretaceous-; geologic-history; historical-geology; Mesozoic-; petroleum-; possibilities-; South-America; Tertiary- CC - CATEGORY CODES: 29-Economic-geology-of-energy-sources BL - BIB LEVEL: Analytic IL - ILLUSTRATION: illus. incl. geol. sketch map, Texas, Univ., Austin. 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: 1955-000363 UD - UPDATE CODE: 1955 Registro 2996 de 5614 - GeoRef Disc 1: 1785-1974 TI - TITLE: Some Cretaceous echinoids from the Americas. AU - AUTHORS: Cooke-C-Wythe SO - SOURCE: Pages 87-112. 1955. PY - PUBLICATION YEAR: 1955 LA - LANGUAGE: English AB - ABSTRACT: Includes descriptions of Hemiaster texanus from the Napo series in Ecuador and echinoid faunas (including new species) from Cretaceous localities in Colombia. DE - DESCRIPTORS: Colombia-; Colombia-Ecuador; Cretaceous-; Echinodermata-; Echinoidea-; Echinozoa-; Ecuador-; Invertebrata-; Mesozoic-; paleontology-; South-America CC - CATEGORY CODES: 10-Invertebrate-paleontology 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 AN - ACCESSION NUMBER: 1955-001160 UD - UPDATE CODE: 1955 Registro 2997 de 5614 - GeoRef Disc 1: 1785-1974 BK - BOOK TITLE: The genus Globotruncana in northeastern Colombia. BA - BOOK AUTHORS: Gandolfi-Rolando SO - SOURCE: Bulletins of American Paleontology. 36; 155, 1955. PB - PUBLISHER: Paleontological Research Institution. Ithaca, NY, United States. Pages: 109. 1955. CP - COUNTRY OF PUBLICATION: United-States PY - PUBLICATION YEAR: 1955 LA - LANGUAGE: English AB - ABSTRACT: A monographic study of foraminifers belonging to the genus Globotruncana (and Rugoglobigerina, here treated as a subgenus) from upper Cretaceous deposits of northeast Colombia; includes data on their geographic and stratigraphic distribution and their systematic and phylogenetic relations, and descriptions of many new species and subspecies. DE - DESCRIPTORS: Colombia-; Cretaceous-; Foraminifera-; Globigerinacea-; Globotruncana-; Globotruncanidae-; Invertebrata-; Mesozoic-; microfossils-; northeast-; northeast-Colombia; paleontology-; Protista-; Rotaliina-; South-America CC - CATEGORY CODES: 10-Invertebrate-paleontology DT - DOCUMENT TYPE: Serial BL - BIB LEVEL: Monograph 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: 0007-5779 CO - CODEN: BAPLAJ AN - ACCESSION NUMBER: 1955-001940 UD - UPDATE CODE: 1955 Registro 2998 de 5614 - GeoRef Disc 1: 1785-1974 TI - TITLE: Turbidity currents from the Magdalena river, Colombia. AU - AUTHORS: Heezen-Bruce-C SO - SOURCE: Geological Society of America Bulletin. 66; 12, Part 2, Pages 1572. 1955. PB - PUBLISHER: Geological Society of America (GSA). Boulder, CO, United States. 1955. CP - COUNTRY OF PUBLICATION: United-States PY - PUBLICATION YEAR: 1955 LA - LANGUAGE: English DE - DESCRIPTORS: Colombia-; currents-; Magdalena-river-mouth; marine-geology; physical-geology; sedimentation-; South-America; turbidity-currents CC - CATEGORY CODES: 07-Oceanography DT - DOCUMENT TYPE: Abstract; Serial BL - BIB LEVEL: Analytic IL - ILLUSTRATION: 1955; Econ. Geol. v. 50, No. 7, p. 779. 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: 0016-7606 CO - CODEN: BUGMAF AN - ACCESSION NUMBER: 1955-002409 UD - UPDATE CODE: 1955 Registro 2999 de 5614 - GeoRef Disc 1: 1785-1974 TI - TITLE: A sauropod dinosaur from Colombia. AU - AUTHORS: Langston-Wann Jr.; Wyatt-Durham-J SO - SOURCE: Journal of Paleontology. 29; 6, Pages 1047-1051. 1955. PB - PUBLISHER: Society of Economic Paleontologists and Mineralogists. Tulsa, OK, United States. 1955. CP - COUNTRY OF PUBLICATION: United-States PY - PUBLICATION YEAR: 1955 LA - LANGUAGE: English AB - ABSTRACT: Describes a thoracic vertebra of a sauropod found in conglomerate of Jurassic or lower Cretaceous age near La Paz, Colombia, noting that it represents the most northerly occurrence of the Sauropoda known in South America. DE - DESCRIPTORS: Chordata-; Colombia-; La-Paz-area; paleontology-; Reptilia-; Sauropod-; South-America; Tetrapoda-; Vertebrata- CC - CATEGORY CODES: 11-Vertebrate-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: 0022-3360 CO - CODEN: JPALAZ AN - ACCESSION NUMBER: 1955-003334 UD - UPDATE CODE: 1955 Registro 3000 de 5614 - GeoRef Disc 1: 1785-1974 TI - TITLE: On some erroneous or questionable determinations of Choffatella. AU - AUTHORS: Maync-Wolf SO - SOURCE: Micropaleontology. 1; 3, Pages 269-272. 1955. PB - PUBLISHER: American Museum of Natural History. New York, NY, United States. 1955. CP - COUNTRY OF PUBLICATION: United-States PY - PUBLICATION YEAR: 1955 LA - LANGUAGE: English AB - ABSTRACT: Among foraminifers erroneously assigned to the genus Choffatella are a foraminifer from Jurassic beds of Cutch, western India, which is here assigned to Trochammina, and "Chofatella" sogamozae from the lower Cretaceous of Colombia, whose characters differ not only from those of Choffatella but from any other spirocyclinine genus of the Lituolidae. The validity of C. zireggensis from Hauterivian (Cretaceous) beds of Algeria is questioned. DE - DESCRIPTORS: Choffatella-; erroneous-generic-assignments; Foraminifera-; Invertebrata-; microfossils-; Protista- CC - CATEGORY CODES: 10-Invertebrate-paleontology 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: 0026-2803 CO - CODEN: MCPLAI AN - ACCESSION NUMBER: 1955-003824 UD - UPDATE CODE: 1955 Registro 3001 de 5614 - GeoRef Disc 1: 1785-1974 TI - TITLE: Development of upper Cretaceous foraminiferal faunas in Colombia. AU - AUTHORS: Petters-Victor SO - SOURCE: Journal of Paleontology. 29; 2, Pages 212-225. 1955. PB - PUBLISHER: Society of Economic Paleontologists and Mineralogists. Tulsa, OK, United States. 1955. CP - COUNTRY OF PUBLICATION: United-States PY - PUBLICATION YEAR: 1955 LA - LANGUAGE: English AB - ABSTRACT: Distinguishes seven foraminiferal faunas, ranging in age from Turonian to Maestrichtian, in the eastern outcrop belt of upper Cretaceous deposits in Colombia. The beds were laid down in a narrow seaway which extended from Peru to Venezuela and which may have connected the Atlantic and Pacific oceans. Descriptions of fossil localities are given. DE - DESCRIPTORS: Colombia-; Cretaceous-; Foraminifera-; Invertebrata-; Mesozoic-; microfossils-; paleogeography-; paleontology-; Protista-; 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: 0022-3360 CO - CODEN: JPALAZ AN - ACCESSION NUMBER: 1955-004519 UD - UPDATE CODE: 1955 Registro 3002 de 5614 - GeoRef Disc 1: 1785-1974 TI - TITLE: A new Siphogenerinoides from the Coniacian of Colombia. AU - AUTHORS: Redmond-C-D SO - SOURCE: Micropaleontology. 1; 3, Pages 247-249. 1955. PB - PUBLISHER: American Museum of Natural History. New York, NY, United States. 1955. CP - COUNTRY OF PUBLICATION: United-States PY - PUBLICATION YEAR: 1955 LA - LANGUAGE: English AB - ABSTRACT: Describes Siphogenerinoides bentonstonei n.sp., found in association with some new subspecies of Globotruncana, from calcareous Coniacian (Cretaceous) shale of Magdalena, central Colombia. This genus has hitherto not been reported from beds older than Campanian. DE - DESCRIPTORS: Colombia-; Coniacian-; Coniacian-Siphogenerinoides; Cretaceous-; Foraminifera-; Invertebrata-; Magdalena-Colombia; Mesozoic-; microfossils-; paleontology-; Protista-; Senonian-; Siphogenerinoides-; South-America; Upper-Cretaceous CC - CATEGORY CODES: 10-Invertebrate-paleontology 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: 0026-2803 CO - CODEN: MCPLAI AN - ACCESSION NUMBER: 1955-004755 UD - UPDATE CODE: 1955 Registro 3003 de 5614 - GeoRef Disc 1: 1785-1974 TI - TITLE: Ore localization at Frontino gold mines. AU - AUTHORS: Tremlett-C-P SO - SOURCE: Mining Magazine (London). 93; 1, Pages 9-20. 1955. PB - PUBLISHER: Mining Journal Ltd.. London, United Kingdom. 1955. CP - COUNTRY OF PUBLICATION: United-Kingdom PY - PUBLICATION YEAR: 1955 LA - LANGUAGE: English AB - ABSTRACT: The gold-bearing sulfide ores of the Frontino mine district, Colombia, occur in a granodiorite stock in the northeast part of the Antioquia batholith, emplaced in lower Paleozoic limestones and schists. Mineralization is believed to have been controlled by the intersection of major northwest- and northeast-trending fracture systems. Locally, impounding has taken place as a result of the presence of pre-mineral faults, and impoverishment in certain tightened fractures. DE - DESCRIPTORS: Antioquia-Colombia; Colombia-; economic-geology; Frontino-mine-district; gold-; metals-; mineral-deposits,-genesis; South-America CC - CATEGORY CODES: 27-Economic-geology-of-ore-deposits 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: 0308-6631 CO - CODEN: MMALAD AN - ACCESSION NUMBER: 1955-005928 UD - UPDATE CODE: 1955 Registro 3004 de 5614 - GeoRef Disc 1: 1785-1974 TI - TITLE: Some oil-geological characteristics of Venezuela. AU - AUTHORS: Dufour-J SO - SOURCE: Proceedings - World Petroleum Congress = Actes et Documents - Congres Mondial du Petrole. 59; 1506, Pages 19-35. 1955. NT - NOTES: 4th, Rome, Pr. sec. 1; abs.: Petroleum Times, p. 433, 1955; World Petroleum, p. 160, 1955. PB - PUBLISHER: John Wiley & Sons. Chichester, International. 1955. CP - COUNTRY OF PUBLICATION: International PY - PUBLICATION YEAR: 1955 OD - OTHER DATES: 1956 LA - LANGUAGE: English LS - LANGUAGE OF SUMMARY: French; Italian AB - ABSTRACT: During the Cretaceous conditions were favorable for the formation of oil-bearing sediments in the outer edge of the continental shelf bordering the Guiana shield. The favorable area is more widely developed in northwestern Venezuela (and northeastern Colombia) than in central and eastern Venezuela. Deposition took place in a basin characterized by a series of topographic highs and troughs, which was later block faulted. Petroleum accumulations in Tertiary reservoir rocks of the Llanos, Maracaibo, and other basins are considered to have migrated from Cretaceous source rocks. Both preservation of source rocks and migration of oil are believed to have been tectonically controlled. DE - DESCRIPTORS: Cenozoic-; Cretaceous-; economic-geology; faults-; Mesozoic-; petroleum-; South-America; tectonics-; Tertiary-; Venezuela- CC - CATEGORY CODES: 29-Economic-geology-of-energy-sources DT - DOCUMENT TYPE: Serial BL - BIB LEVEL: Analytic NN - ANNOTATION: With discussion. IL - ILLUSTRATION: illus. incl. geol. 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: 0084-2176 CO - CODEN: WPCPAU AN - ACCESSION NUMBER: 1956-001585 UD - UPDATE CODE: 1956 Registro 3005 de 5614 - GeoRef Disc 1: 1785-1974 TI - TITLE: Ein Beitrag zur Geologie und Petrographie der Sierra Nevada de Santa Marta (Kolumbien, Suedamerika). AU - AUTHORS: Gansser-August SO - SOURCE: Schweizerische Mineralogische und Petrographische Mitteilungen = Bulletin Suisse de Mineralogie et Petrographie. 35; 2, Pages 209-279. 1955. PB - PUBLISHER: Verlag Leemann. Zurich, Switzerland. 1955. CP - COUNTRY OF PUBLICATION: Switzerland PY - PUBLICATION YEAR: 1955 LA - LANGUAGE: German LS - LANGUAGE OF SUMMARY: English AB - ABSTRACT: The Sierra Nevada de Santa Marta, Colombia, is essentially an uplifted block of pre-Devonian metamorphic rocks. Late Jurassic tonalite and granite-syenite masses form the highest peaks. DE - DESCRIPTORS: Colombia-; geologic-history; geologic-maps; igneous-rocks; intrusions-; maps-; metamorphic-rocks; petrology-; Sierra-Nevada-de-Santa-Marta; South-America CC - CATEGORY CODES: 05-Igneous-and-metamorphic-petrology DT - DOCUMENT TYPE: Map BL - BIB LEVEL: Analytic MS - MAP SCALE: 1:125,000 IL - ILLUSTRATION: illus. incl. geol. 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: 0036-7699 CO - CODEN: SMPTA8 AN - ACCESSION NUMBER: 1956-002055 UD - UPDATE CODE: 1956 Registro 3006 de 5614 - GeoRef Disc 1: 1785-1974 TI - TITLE: Los alemanes y las ciencias geologicas y geograficas en Colombia. AU - AUTHORS: Ramirez-Jesus-Emilio SO - SOURCE: 4; 13, Pages 213-218. 1955. NT - NOTES: Inst. Geofis. Andes Colombianos, s. C (Geol.), B., 8 p., 1955; Soc. Geog. Colombia, B. PY - PUBLICATION YEAR: 1955 LA - LANGUAGE: Spanish AB - ABSTRACT: A review of the contribution of German scientists to the geology and geography of Colombia. DE - DESCRIPTORS: Colombia-; geography-; geology-; German-contributions; South-America CC - CATEGORY CODES: 15-Miscellaneous 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 AN - ACCESSION NUMBER: 1956-004966 UD - UPDATE CODE: 1956 Registro 3007 de 5614 - GeoRef Disc 1: 1785-1974 BK - BOOK TITLE: Palaeoecologic analysis of some Tertiary echinoids of the Caribbean and South America. BA - BOOK AUTHORS: Casanova-Richard-L SO - SOURCE: Paleont. Res. Lab., Spec. Inves. Rept.. 2; 1955. PB - PUBLISHER: Pages: 8. 1955. PY - PUBLICATION YEAR: 1955 LA - LANGUAGE: English AB - ABSTRACT: On the basis of strontium/calcium and oxygen isotope analyses of echinoid tests from Oligocene and Miocene localities of Antigua and Anguilla islands in the West Indies and Miocene localities of Venezuela and Colombia, interprets the nature of the various biocoenoses and the temperature and salinity of the waters they inhabited. DE - DESCRIPTORS: Cenozoic-; Echinodermata-; echinoid-populations; Echinoidea-; Echinozoa-; Invertebrata-; paleoceology-; paleoecology-; paleontology-; South-America; Tertiary-; Tertiary-biocoenoses; Tertiary-echinoids CC - CATEGORY CODES: 10-Invertebrate-paleontology DT - DOCUMENT TYPE: Serial BL - BIB LEVEL: Monograph IL - ILLUSTRATION: processed, Statesville, North Carolina. 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: 1957-000838 UD - UPDATE CODE: 1957 Registro 3008 de 5614 - GeoRef Disc 1: 1785-1974 BK - BOOK TITLE: The caves of Cunday (Colombia, South America). BA - BOOK AUTHORS: Hammen-Th-van-der; Nelson-H-W SO - SOURCE: Leidse Geologische Mededelingen. 1955. NT - NOTES: 20; p. 89-99, illus. (incl. g. sk. map), 1956. PB - PUBLISHER: Ryksmuseum van Geologie en Mineralogie. Leyden, Netherlands. 1955. CP - COUNTRY OF PUBLICATION: Netherlands PY - PUBLICATION YEAR: 1955 LA - LANGUAGE: English AB - ABSTRACT: Very large caves have been discovered in a soft, fine-grained sandstone layer in the upper Guadalupe sandstone (Cretaceous) of the Cunday region, Colombia. Their formation is attributed to removal of rock particles by flowing ground waters rather than to chemical solution. Stalactites and stalagmites of calcite and phosphate minerals are found. Parts of the walls and floor are also covered with phosphate minerals (francolite, collophane), and a mineral related to evansite (or rosieresite) has been identified. DE - DESCRIPTORS: caves-; Colombia-; Cretaceous-; Cunday-region; Mesozoic-; mineralogy-; physiographic-geology; South-America CC - CATEGORY CODES: 01-Mineralogy DT - DOCUMENT TYPE: Serial BL - BIB LEVEL: Monograph 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: 0075-8639 CO - CODEN: LGMEAX AN - ACCESSION NUMBER: 1960-001760 UD - UPDATE CODE: 1960 Registro 3009 de 5614 - GeoRef Disc 1: 1785-1974 TI - TITLE: Note on some fossils from the Giron group in the Rio Lebrija valley, department of Santander, Colombia. AU - AUTHORS: Brueckner-Werner-D SO - SOURCE: Journal of Paleontology. 28; 1, Pages 112-113. 1954. PB - PUBLISHER: Society of Economic Paleontologists and Mineralogists. Tulsa, OK, United States. 1954. CP - COUNTRY OF PUBLICATION: United-States PY - PUBLICATION YEAR: 1954 LA - LANGUAGE: English AB - ABSTRACT: The Giron beds of Colombia are a sparsely fossiliferous series of continental clastic deposits which have been regarded as late Triassic or younger. Fern leaves referred to Callipteridium and ostracods of the genus Darwinula, indicative of Permo-Carboniferous age, have recently been identified in carbonaceous shale in the lower part of the series in the Lebrija valley, Santander. DE - DESCRIPTORS: Arthropoda-; Carboniferous-; Colombia-; Crustacea-; Giron-group; historical-geology; Invertebrata-; Lebrija-valley; Mandibulata-; microfossils-; Ostracoda-; paleobotany-; paleontology-; Paleozoic-; Permian-; Santander-Colombia; South-America CC - CATEGORY CODES: 08-General-paleontology 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 Directory: 2008 2008 -> Exam 1 of Computer Networks (ice 1230) 2008 7 2008 -> Program description 2008 -> Curriculum Vitae Museok Song 2008 -> Word Wall Chants Use these as fun ways to practice word wall words at home! 2008 -> Rockettothesky 2008 -> "Unique " "dfo " "Glide " "Country" "Other" "Nations" "X. Affected" "Locations" "Rivers" "Began" "Ended" "Days" "Dead" "Displaced" "Damage usd." 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