No. Registros Solicitud 1 5614 colombia



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BA - BOOK AUTHORS: Londono-Beatriz

SO - SOURCE: Dyna (Medellin, Colombia). 140; Pages 1-3. 2003.

PB - PUBLISHER: Universidad Nacional de Colombia, Facultad Nacional de Minas. Medellin, Colombia. 2003.

CP - COUNTRY OF PUBLICATION: Colombia

PY - PUBLICATION YEAR: 2003

LA - LANGUAGE: Spanish

DE - DESCRIPTORS: education-; history-; properties-; rocks-

CC - CATEGORY CODES: 15-Miscellaneous

DT - DOCUMENT TYPE: Serial

BL - BIB LEVEL: Analytic

RF - REFERENCE SOURCE: GeoRef, Copyright 2004, American Geological Institute.

IS - ISSN: 0012-7353

CO - CODEN: DYNAAU

AN - ACCESSION NUMBER: 2004-038696

UD - UPDATE CODE: 200411

Registro 139 de 5614 - GeoRef : 2002-2004/12

BK - BOOK TITLE: Dyna 70 anos

Translated Title: Dyna at 70.

BA - BOOK AUTHORS: Londono-Beatriz

BF - BOOK AUTHOR AFFILIATION: Universidad Nacional, Facultad de Minas, Medellin, Colombia

SO - SOURCE: Dyna (Medellin, Colombia). 140; 2003.

PB - PUBLISHER: Universidad Nacional de Colombia, Facultad Nacional de Minas. Medellin, Colombia. Pages: 118. 2003.

CP - COUNTRY OF PUBLICATION: Colombia

PY - PUBLICATION YEAR: 2003

LA - LANGUAGE: Spanish

DE - DESCRIPTORS: Colombia-; engineering-geology; geology-; metallurgy-; mineral-exploration; mining-; mining-geology; South-America; symposia-

CC - CATEGORY CODES: 26A-Economic-geology,-general,-deposits; 30-Engineering-geology

DT - DOCUMENT TYPE: Serial

BL - BIB LEVEL: Monograph

NN - ANNOTATION: Individual papers are cited separately.

IL - ILLUSTRATION: illus.

RF - REFERENCE SOURCE: GeoRef, Copyright 2004, American Geological Institute.

IS - ISSN: 0012-7353

CO - CODEN: DYNAAU

AN - ACCESSION NUMBER: 2004-038695

UD - UPDATE CODE: 200411

Registro 140 de 5614 - GeoRef : 2002-2004/12

BK - BOOK TITLE: Humboldt's cosmos; Alexander von Humboldt and the Latin American journey that changed the way we see the world.

BA - BOOK AUTHORS: Helferich-Gerard

PB - PUBLISHER: Penguin Group (USA), Gotham Books. New York, NY, United States. Pages: 358. 2004.

CP - COUNTRY OF PUBLICATION: United-States

PY - PUBLICATION YEAR: 2004

LA - LANGUAGE: English

DE - DESCRIPTORS: Amazon-River; Antilles-; archaeology-; biology-; Caribbean-region; Central-America; Central-Europe; Colombia-; Cuba-; ecology-; ecosystems-; education-; elementary-geology; Europe-; exploration-; fluvial-features; France-; geology-; Germany-; Greater-Antilles; history-; Llanos-; Mexico-; Orinoco-River; Peru-; rivers-; South-America; United-States; Venezuela-; von-Humboldt,-Alexander; West-Indies; Western-Europe

CC - CATEGORY CODES: 15-Miscellaneous

DT - DOCUMENT TYPE: Book

BL - BIB LEVEL: Monograph

NN - ANNOTATION: Includes appendices.

IL - ILLUSTRATION: Refs: 50; illus. incl. portrs., sketch maps.

RF - REFERENCE SOURCE: GeoRef, Copyright 2004, American Geological Institute.

IB - ISBN: 1-592-40052-3

AN - ACCESSION NUMBER: 2004-037453

UD - UPDATE CODE: 200411

Registro 141 de 5614 - GeoRef : 2002-2004/12

TI - TITLE: Die vulkanische Aktivitaet des "Nevado del Ruiz" (Kolumbien) seit Dezember 1984 und ihre Folge fuer Land und Leute

Translated Title: Volcanic activity of the Nevado del Ruiz, Colombia, since December 1984, and its consequences for the country and its people.

AU - AUTHORS: Martinelli-B

AF - AUTHOR AFFILIATION: ETH-Hoenggerberg, Inst. Geophysik, Zurich, Switzerland

SO - SOURCE: Vierteljahresschrift der Naturforschenden Gesellschaft in Zuerich. 133; 3, Pages 187-194. 1988.

PB - PUBLISHER: Leeman. Zurich, Switzerland. 1988.

CP - COUNTRY OF PUBLICATION: Switzerland

PY - PUBLICATION YEAR: 1988

LA - LANGUAGE: German

DE - DESCRIPTORS: Colombia-; eruptions-; mass-movements; mudflows-; Nevado-del-Ruiz; precursors-; South-America; volcanoes-

CC - CATEGORY CODES: 24-Quaternary-geology

DT - DOCUMENT TYPE: Serial

BL - BIB LEVEL: Analytic

MC - MAP COORDINATES: LAT: N045300; N045300; LONG: W0752200; W0752200.

RF - REFERENCE SOURCE: GeoRef, Copyright 2004, American Geological Institute. Reference includes data from PASCAL, Institute de l'Information Scientifique et Technique, Vandoeuvre-les-Nancy, France

IS - ISSN: 0042-5672

CO - CODEN: VNGZAL

AN - ACCESSION NUMBER: 2004-034205

UD - UPDATE CODE: 200410

Registro 142 de 5614 - GeoRef : 2002-2004/12

BK - BOOK TITLE: Structural evolution of the San Jacinto fold belt, NW Colombia.

BA - BOOK AUTHORS: Caro-Miryam

CP - COUNTRY OF PUBLICATION: Canada

PY - PUBLICATION YEAR: 2003

DG - DEGREE GRANTED: Master's

DI - DEGREE GRANTING INSTITUTION: University of Calgary. Calgary, AB, Canada. Pages: 72. 2003.

LA - LANGUAGE: English

AB - ABSTRACT: The tectonic evolution of the San Jacinto fold belt comprises an extensional and several compressional events that affected the continental margin of northwestern South America during the Cenozoic: extension with rift or graben infill from Late Cretaceous to Early Eocene, a Middle Eocene inversion, Late Eocene uplift, a relatively quiet period during the Oligocene, Middle Miocene deformation and a Pliocene - Pleistocene period of folding and faulting. This evolution is related to the development of the Caribbean plate and its interaction with the Cocos, Nazca and South American plates. Inversion and reactivation were mostly controlled by the orientation of the pre-existing normal fault planes. These deformational episodes are recorded by several unconformities (Lower Eocene, Middle Eocene, Upper Eocene, Lower Oligocene, Middle Miocene and Upper Pliocene). Structurally, the San Jacinto fold belt is composed of a series of northeasterly trending folds, reverse and normal faults. Restoration of two seismic lines corroborates the proposed model.

DE - DESCRIPTORS: Caribbean-Plate; Caribbean-region; Cenozoic-; Cocos-Plate; Colombia-; compression-tectonics; deformation-; extension-tectonics; faults-; fold-belts; folds-; geophysical-methods; geophysical-surveys; Nazca-Plate; northwestern-Colombia; plate-tectonics; San-Jacinto-fold-belt; seismic-methods; South-America; South-American-Plate; surveys-; tectonics-; unconformities-; uplifts-

CC - CATEGORY CODES: 16-Structural-geology

DT - DOCUMENT TYPE: Thesis-or-Dissertation

BL - BIB LEVEL: Monograph

IL - ILLUSTRATION: Refs: 48

RF - REFERENCE SOURCE: GeoRef, Copyright 2004, American Geological Institute.

AN - ACCESSION NUMBER: 2004-033659

UD - UPDATE CODE: 200410

Registro 143 de 5614 - GeoRef : 2002-2004/12

TI - TITLE: Hf-Nd isotope systematics of the Gorgona komatiites, and their relationship with the Caribbean Plateau.

AU - AUTHORS: Thompson-P-M-E; Kempton-P-D; White-R-V; Saunders-A-D; Kerr-A-C; Tarney-J

AF - AUTHOR AFFILIATION: University of Leicester, Leicester, United Kingdom

BK - BOOK TITLE: In: Abstracts of the 12th annual V. M. Goldschmidt conference.

BA - BOOK AUTHORS: Anonymous

SO - SOURCE: Geochimica et Cosmochimica Acta. 66; 15A, Pages 773. 2002.

PB - PUBLISHER: Pergamon. Oxford, International. 2002.

CP - COUNTRY OF PUBLICATION: International

PY - PUBLICATION YEAR: 2002

CN - CONFERENCE INFORMATION: 12th annual V. M. Goldschmidt conference. Davos, Switzerland. Aug. 18-23, 2002.

LA - LANGUAGE: English

DE - DESCRIPTORS: basalts-; Caribbean-Plateau; Colombia-; East-Pacific; geochemistry-; Gorgona-Island; hafnium-; Hf-177-Hf-176; igneous-rocks; isotope-ratios; isotopes-; komatiite-; metals-; neodymium-; North-Pacific; Northeast-Pacific; Pacific-Ocean; picrite-; plutonic-rocks; rare-earths; South-America; stable-isotopes; ultramafics-; volcanic-rocks; volcaniclastics-

CC - CATEGORY CODES: 02D-Isotope-geochemistry; 05A-Igneous-and-metamorphic-petrology

DT - DOCUMENT TYPE: Abstract; Serial; Conference-Document

BL - BIB LEVEL: Analytic

MC - MAP COORDINATES: LAT: N030000; N030000; LONG: W0782000; W0782000.

IL - ILLUSTRATION: illus.

RF - REFERENCE SOURCE: GeoRef, Copyright 2004, American Geological Institute.

IS - ISSN: 0016-7037

CO - CODEN: GCACAK

AN - ACCESSION NUMBER: 2004-031976

UD - UPDATE CODE: 200410

Registro 144 de 5614 - GeoRef : 2002-2004/12

TI - TITLE: Rock physics of glauconite and glauconitic sandstones.

AU - AUTHORS: Diaz-Elizabeth; Prasad-Manika; Dvorkin-Jack; Mavko-Gary

AF - AUTHOR AFFILIATION: Stanford University, Geophysics Department, Stanford, CA, United States

BK - BOOK TITLE: In: AGU 2000 fall meeting.

BA - BOOK AUTHORS: Anonymous

SO - SOURCE: Eos, Transactions, American Geophysical Union. 81; 48, Suppl., Pages 1106. 2000.

PB - PUBLISHER: American Geophysical Union. Washington, DC, United States. 2000.

CP - COUNTRY OF PUBLICATION: United-States

PY - PUBLICATION YEAR: 2000

CN - CONFERENCE INFORMATION: American Geophysical Union 2000 fall meeting. San Francisco, CA, United States. Dec. 15-19, 2000.

LA - LANGUAGE: English

DE - DESCRIPTORS: acoustical-properties; authigenic-minerals; Caballos-Formation; clastic-rocks; Colombia-; continental-shelf; geochemical-indicators; geophysical-methods; glauconite-; marine-environment; measurement-; mica-group; physical-properties; porosity-; pressure-; Putumayo-Basin; sandstone-; sedimentary-rocks; seismic-methods; sheet-silicates; silicates-; South-America; textures-; ultrasonic-methods; velocity-

CC - CATEGORY CODES: 06A-Sedimentary-petrology; 20-Applied-geophysics

DT - DOCUMENT TYPE: Abstract; Serial; Conference-Document

BL - BIB LEVEL: Analytic

RF - REFERENCE SOURCE: GeoRef, Copyright 2004, American Geological Institute.

IS - ISSN: 0096-3941

CO - CODEN: EOSTAJ

AN - ACCESSION NUMBER: 2004-031721

UD - UPDATE CODE: 200410

Registro 145 de 5614 - GeoRef : 2002-2004/12

BK - BOOK TITLE: Biostratigrafiya i foraminifery verkhnemelovykh otlozheniy srednego techeniya reki Magdalena, Kolumbiya

Translated Title: Biostratigraphy and foraminifers of Upper Cretaceous sediments of central Magdalena River, Columbia.

BA - BOOK AUTHORS: Cheglyakova-N-N

CP - COUNTRY OF PUBLICATION: Russian-Federation

PY - PUBLICATION YEAR: 1999

DG - DEGREE GRANTED: Master's

DI - DEGREE GRANTING INSTITUTION: Moskovskiy Gosudarstvennyy Universitet. Moscow, Russian Federation. Pages: 235. 1999.

LA - LANGUAGE: Russian

AB - ABSTRACT: The aim of this work is to study biostratigraphy and foraminifera of the Upper Cretaceous sediments (Turonian-Maestrichtian) of middle reaches of the Magdalena River, Columbia. Foraminifera were distinguished with the help of a standard procedure designed for solid terrigenous rocks and were studied under an electronic microscope. Eight sections are described. Thirty-six planktonic and 30 benthic foraminifera were examined and described in the monograph. For the first time, 9 microfaunal complexes and 7 zones based on plankton foraminifers were established for this region. The age of local lithostratigraphic units were refined and correlated. Paleoecological interpretation of foraminifer complexes was carried out on the qualitative base, and on its basis, the depositional environment was characterized.

DE - DESCRIPTORS: assemblages-; benthonic-taxa; biofacies-; biostratigraphy-; Colombia-; Cretaceous-; depositional-environment; electron-microscopy-data; faunal-studies; Foraminifera-; Invertebrata-; lithofacies-; Maestrichtian-; Magdalena-River; Mesozoic-; microfossils-; paleoenvironment-; planktonic-taxa; Protista-; Senonian-; South-America; Turonian-; Upper-Cretaceous

CC - CATEGORY CODES: 12-Stratigraphy

DT - DOCUMENT TYPE: Thesis-or-Dissertation

BL - BIB LEVEL: Monograph

NN - ANNOTATION: VNTITs doc. N 04990008533.

IL - ILLUSTRATION: Refs: 228

RF - REFERENCE SOURCE: GeoRef, Copyright 2004, American Geological Institute. Reference includes data supplied by ICSTI, Moscow, Russian Federation

AV - AVAILABILITY: Vserossiyskiy Nauchno-Tekhnicheskiy Informatsionnyy Tsentr, Moscow, Russian Federation

AN - ACCESSION NUMBER: 2004-030934

UD - UPDATE CODE: 200409

Registro 146 de 5614 - GeoRef : 2002-2004/12

TI - TITLE: Ensayo sobre tipologia de suelos colombianos; enfasis en genesis y aspectos ambientales

Translated Title: Essay on Colombian soil types, with emphasis on pedogenesis and environmental aspects.

AU - AUTHORS: Malagon-Castro-Dimas

AF - AUTHOR AFFILIATION: Instituto Geografico Agustin Codazzi, COL, Colombia

SO - SOURCE: Revista de la Academia Colombiana de Ciencias Exactas, Fisicas y Naturales. 27; 104, Pages 319-341. 2003.

PB - PUBLISHER: Academia Colombiana de Ciencias Exactas, Fisicas y Naturales. Bogota, Colombia. 2003.

CP - COUNTRY OF PUBLICATION: Colombia

PY - PUBLICATION YEAR: 2003

LA - LANGUAGE: Spanish

LS - LANGUAGE OF SUMMARY: English

AB - ABSTRACT: Colombia has ample soil diversity related to its varied and contrasting Natural Regions and environmental conditions. The article typifies those soils with the highest evolutive development that tend to reflect pedological climax state in each Natural Colombian Region. Entisols and Inceptisols genesis was not considered due, both, to their ubiquitous presence in the country and low evolution development. The article initially analyzes the integral Colombian soil knowledge derived from the interaction of it's soil factors and processes, and concludes with its environmental relationships between Natural Colombian Regions.

DE - DESCRIPTORS: alluvium-; Amazon-Basin; Andes-; Atlantic-Ocean; biochemistry-; Caribbean-Sea; characterization-; chemical-composition; chemical-properties; chemical-weathering; chemically-precipitated-rocks; classification-; clastic-sediments; clay-minerals; coastal-environment; Colombia-; crystalline-rocks; duricrust-; environmental-analysis; environmental-management; erosion-; geochemistry-; geomorphology-; laterites-; Llanos-; mineral-composition; North-Atlantic; Orinoco-River; Orinoco-River-basin; Pacific-Coast; pedogenesis-; petrography-; physical-properties; properties-; regional-; sedimentary-rocks; sediments-; sheet-silicates; silicates-; soils-; South-America; topography-; vegetation-; weathering-

CC - CATEGORY CODES: 25-Soils; 22-Environmental-geology

DT - DOCUMENT TYPE: Serial

BL - BIB LEVEL: Analytic

IL - ILLUSTRATION: Refs: 72; illus. incl. 1 table, 5 plates.

RF - REFERENCE SOURCE: GeoRef, Copyright 2004, American Geological Institute.

IS - ISSN: 0370-3908

CO - CODEN: RCCFAO

AN - ACCESSION NUMBER: 2004-030312

UD - UPDATE CODE: 200409

Registro 147 de 5614 - GeoRef : 2002-2004/12

TI - TITLE: Interseismic and coseismic slip in the Ecuador subduction zone, August 4, 1998 earthquake; precursor for a 1958-type event?.

AU - AUTHORS: Trenkamp-Robert; Kellogg-James-N; Freymueller-Jeffrey-T; Yepes-Hugo

AF - AUTHOR AFFILIATION: University of South Carolina, Department of Geological Sciences, Columbia, SC, United States

BK - BOOK TITLE: In: 73rd annual meeting of the Eastern Section of the Seismological Society of America.

BA - BOOK AUTHORS: Anonymous

SO - SOURCE: Seismological Research Letters. 73; 3, Pages 419. 2002.

PB - PUBLISHER: Seismological Society of America. El Cerrito, CA, United States. 2002.

CP - COUNTRY OF PUBLICATION: United-States

PY - PUBLICATION YEAR: 2002

CN - CONFERENCE INFORMATION: 73rd annual meeting of the Eastern Section of the Seismological Society of America. Columbia, SC, United States. Oct. 14-16, 2001.

LA - LANGUAGE: English

DE - DESCRIPTORS: Colombia-; coseismic-processes; earthquakes-; Ecuador-; Global-Positioning-System; ground-motion; plate-tectonics; precursors-; seismicity-; South-America; subduction-zones

CC - CATEGORY CODES: 19-Seismology; 18-Solid-earth-geophysics

DT - DOCUMENT TYPE: Abstract; Serial; Conference-Document

BL - BIB LEVEL: Analytic

RF - REFERENCE SOURCE: GeoRef, Copyright 2004, American Geological Institute.

IS - ISSN: 0895-0695

CO - CODEN: #02565

AN - ACCESSION NUMBER: 2004-030017

UD - UPDATE CODE: 200409

Registro 148 de 5614 - GeoRef : 2002-2004/12

TI - TITLE: Importancia de considerar corteza no-homogenea en sismologia

Translated Title: Non-homogeneous crust and seismology.

AU - AUTHORS: Restrepo-Isabel; Chica-Alejandro

AF - AUTHOR AFFILIATION: Universidad Nacional de Colombia, Facultad de Minas, Medellin, Colombia

SO - SOURCE: Dyna (Medellin, Colombia). 139; Pages 59-67. 2003.

PB - PUBLISHER: Universidad Nacional de Colombia, Facultad Nacional de Minas. Medellin, Colombia. 2003.

CP - COUNTRY OF PUBLICATION: Colombia

PY - PUBLICATION YEAR: 2003

LA - LANGUAGE: Spanish

LS - LANGUAGE OF SUMMARY: English

AB - ABSTRACT: The crust is not a uniform and homogeneous mass. It is a rock issue with different origin and nature. This is why they could be distinguished by their mechanical and structural properties which makes them to respond in a particular way when a seismic wave travels through. The author proposes a geophysical analysis of the earthquake occurred on January 25 of 1999 at the "Eje Cafetero" in Colombia which includes the propagation speed quantification of the P wave in nonhomogeneous crust and the comparison with the results obtained in homogeneous crust.

DE - DESCRIPTORS: Andes-; body-waves; Colombia-; continental-crust; crust-; depth-; earthquakes-; elastic-waves; epicenters-; focus-; heterogeneity-; igneous-rocks; instruments-; lithosphere-; mathematical-methods; metamorphic-rocks; models-; P-waves; propagation-; sedimentary-rocks; seismic-networks; seismic-waves; seismic-zoning; seismicity-; seismograms-; seismographs-; seismology-; South-America; Tolima-Colombia; velocity-; volcanic-rocks

CC - CATEGORY CODES: 19-Seismology; 18-Solid-earth-geophysics

DT - DOCUMENT TYPE: Serial

BL - BIB LEVEL: Analytic

MC - MAP COORDINATES: LAT: N034500; N043000; LONG: W0743000; W0763000.

IL - ILLUSTRATION: Refs: 5; illus. incl. 7 tables, sketch maps.

RF - REFERENCE SOURCE: GeoRef, Copyright 2004, American Geological Institute.

IS - ISSN: 0012-7353

CO - CODEN: DYNAAU

AN - ACCESSION NUMBER: 2004-028672

UD - UPDATE CODE: 200409

Registro 149 de 5614 - GeoRef : 2002-2004/12

TI - TITLE: Impacto de ondas sobre taludes

Translated Title: Wave impact on talus slopes.

AU - AUTHORS: Valencia-Yamile; Ramirez-Miguel; Toro-Mauricio; Echeverri-Oscar

AF - AUTHOR AFFILIATION: Universidad Nacional de Colombia, Ingeniera Civil, Medellin, Colombia

SO - SOURCE: Dyna (Medellin, Colombia). 139; Pages 43-52. 2003.

PB - PUBLISHER: Universidad Nacional de Colombia, Facultad Nacional de Minas. Medellin, Colombia. 2003.

CP - COUNTRY OF PUBLICATION: Colombia

PY - PUBLICATION YEAR: 2003

LA - LANGUAGE: Spanish

LS - LANGUAGE OF SUMMARY: English

AB - ABSTRACT: In this paper a model is studied in which it is possible to analyze the theoretical solution of wave movement produced by a generator of waves. This generator is designed for working in a metallic channel of determined dimensions. In one extreme of the channel we built a cupslope with and without protections of initial geometry and with different materials (thick middle-sized, fine sand and slime-sandy), the cupslope was submitted to the action of different waves and to a pursuit in the time, until to arrive at the profile of balance. Also, we studied the process of erosion on the low part as soon as the formation of a neutral point or the "Cornaglia".

DE - DESCRIPTORS: beaches-; classification-; clastic-sediments; coastal-environment; conservation-; erosion-; erosion-features; experimental-studies; geomorphology-; hydrodynamics-; instruments-; landform-evolution; mathematical-methods; models-; sand-; sediments-; shorelines-; slope-stability; slopes-; stabilization-; talus-slopes; waves-

CC - CATEGORY CODES: 23-Geomorphology

DT - DOCUMENT TYPE: Serial

BL - BIB LEVEL: Analytic

IL - ILLUSTRATION: Refs: 10; illus. incl. 3 tables.

RF - REFERENCE SOURCE: GeoRef, Copyright 2004, American Geological Institute.

IS - ISSN: 0012-7353

CO - CODEN: DYNAAU

AN - ACCESSION NUMBER: 2004-028671

UD - UPDATE CODE: 200409

Registro 150 de 5614 - GeoRef : 2002-2004/12

TI - TITLE: Determinacion del potencial industrial de los cuerpos calcareos en la concesion Rio Claro de DUMICOL

Translated Title: Determination of the industrial potential of calcareous deposits in the Rio Claro concession of SUMIDOL.

AU - AUTHORS: Tobon-Jorge; Aristizabal-Edier; Arango-Ivan

AF - AUTHOR AFFILIATION: Universidad Nacional de Colombia, Escuela de Geociencias y Medio Ambiente, Medellin, Colombia

SO - SOURCE: Dyna (Medellin, Colombia). 136; Pages 63-73. 2002.

PB - PUBLISHER: Universidad Nacional de Colombia, Facultad Nacional de Minas. Medellin, Colombia. 2002.

CP - COUNTRY OF PUBLICATION: Colombia

PY - PUBLICATION YEAR: 2002

LA - LANGUAGE: Spanish

LS - LANGUAGE OF SUMMARY: English

AB - ABSTRACT: The Rio Claro Mining Concession of SUMICOL S.A. is located at Southeast of the Antioquia Department in the eastern flank of the Cordillera Central. The area comprises 9 km (super 2) and lies in the jurisdiction of the municipalities of Sonson, San Francisco, San Luis and Puerto Triunfo. The geomorphology is characterized by the contrast between a north-south oriented karst landscape and a metamorphic mountain range. Geochemically the calcareous marbles of the Rio Claro Concession are divided into two blocks with very different industrial applications called, the North Block, with an average content of CaO: 50,5%, MgO: 1,55%, SiO (sub 2) : 5,78% and Fe (sub 2) O (sub 3) : 0,05%, characterized as a very good raw material for the cement and construction industries; and the South Block with high purity calcareous material with possible application in the glass and ceramic industries and as industrial filler, with the following concentrations: CaO: 55,6%, MgO: 0,41%, SiO (sub 2) : 0,24% and Fe (sub 2) O (sub 3) : 0,01%. The proven resources of calcareous marble are: 172,000.000 tons for the North Block and 215,000.000 tons for the South Block, with a total of 387,000.000 tons for the whole area of the Rio Claro Concession which assures wide areas of exploitation for the company.

DE - DESCRIPTORS: Andes-; Antioquia-Colombia; cement-materials; Central-Cordillera; chemical-composition; Colombia-; companies-; construction-materials; deformation-; dolomitic-composition; faults-; geochemistry-; geomorphology-; industrial-minerals; karst-; limestone-deposits; major-elements; marble-deposits; mineral-composition; mineral-exploration; ore-bodies; ore-grade; Paleozoic-; Palestina-Fault; Puerto-Triunfo-Colombia; reserves-; sampling-; San-Francisco-Colombia; San-Luis-Colombia; Sonson-Colombia; South-America; spectra-; statistical-analysis; stratigraphic-units; tonnage-; X-ray-fluorescence-spectra

CC - CATEGORY CODES: 28A-Economic-geology,-geology-of-nonmetal-deposits

DT - DOCUMENT TYPE: Serial

BL - BIB LEVEL: Analytic

MC - MAP COORDINATES: LAT: N060000; N071500; LONG: W0743000; W0763000.


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