Shape Preferred Orientation (SPO) methodology for oriented hand specimens of rock and outcrops through digital image processing

The shape-preferred orientation (SPO) is a technique, which allows the study of the fabric of deformed rocks and understanding its dominant deformational style and partitioning. This work presents SPO results and methodological aspects for one hand specimen of rock and a highresolution composed imag...

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Autores:
Botero García, Manuela
Marín López, Sara Paulina
Vinasco Vallejo, César Javier
Tipo de recurso:
Article of journal
Fecha de publicación:
2015
Institución:
Universidad Nacional de Colombia
Repositorio:
Universidad Nacional de Colombia
Idioma:
spa
OAI Identifier:
oai:repositorio.unal.edu.co:unal/61853
Acceso en línea:
https://repositorio.unal.edu.co/handle/unal/61853
http://bdigital.unal.edu.co/60665/
Palabra clave:
55 Ciencias de la tierra / Earth sciences and geology
Shape preferred orientation (SPO)
digital image processing
high resolution
Anfibolita de Sucre
tectonites
Rights
openAccess
License
Atribución-NoComercial 4.0 Internacional
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spelling Atribución-NoComercial 4.0 InternacionalDerechos reservados - Universidad Nacional de Colombiahttp://creativecommons.org/licenses/by-nc/4.0/info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Botero García, Manuela5aed53c5-dab8-45bd-ace2-bae53754c953300Marín López, Sara Paulina335c4ef4-5d15-4eba-a561-aeec1a31903b300Vinasco Vallejo, César Javieracc31d9f-5f38-4718-9651-6a15dd14c9f23002019-07-02T20:46:26Z2019-07-02T20:46:26Z2015-07-01ISSN: 2357-3740https://repositorio.unal.edu.co/handle/unal/61853http://bdigital.unal.edu.co/60665/The shape-preferred orientation (SPO) is a technique, which allows the study of the fabric of deformed rocks and understanding its dominant deformational style and partitioning. This work presents SPO results and methodological aspects for one hand specimen of rock and a highresolution composed image of an outcrop through digital image processing. The technique involves imaging of three semi-orthogonal oriented sections for digital processing and subsequent implementation in structural software. The image processing consists of digital separation of a phase of interest, i.e. defining the deformational fabric. The processed images are then implemented in the SPO2003® software for acquisition of sectional ellipses and finally implemented in the Ellipsoid2003® software to obtain the characteristic ellipsoid of deformational fabric. For outcrops, due to the difficulty to finding three appropriate sections for photography, it was only obtained a sectional ellipse, characteristic of the rock fabric based on contrasting deformed quartz segregates in mylonitic schists.application/pdfspaUniversidad Nacional de Colombia - Sede Medellín - Facultad de Minashttps://revistas.unal.edu.co/index.php/rbct/article/view/44724Universidad Nacional de Colombia Revistas electrónicas UN Boletín Ciencias de la TierraBoletín Ciencias de la TierraBotero García, Manuela and Marín López, Sara Paulina and Vinasco Vallejo, César Javier (2015) Shape Preferred Orientation (SPO) methodology for oriented hand specimens of rock and outcrops through digital image processing. Boletín de Ciencias de la Tierra (38). pp. 5-13. ISSN 2357-374055 Ciencias de la tierra / Earth sciences and geologyShape preferred orientation (SPO)digital image processinghigh resolutionAnfibolita de SucretectonitesShape Preferred Orientation (SPO) methodology for oriented hand specimens of rock and outcrops through digital image processingArtículo de revistainfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501http://purl.org/coar/resource_type/c_2df8fbb1http://purl.org/coar/version/c_970fb48d4fbd8a85Texthttp://purl.org/redcol/resource_type/ARTORIGINAL44724-255373-1-PB.pdfapplication/pdf3561225https://repositorio.unal.edu.co/bitstream/unal/61853/1/44724-255373-1-PB.pdfb1775a11e7db5465043ed3c036f5dfdfMD51THUMBNAIL44724-255373-1-PB.pdf.jpg44724-255373-1-PB.pdf.jpgGenerated Thumbnailimage/jpeg9506https://repositorio.unal.edu.co/bitstream/unal/61853/2/44724-255373-1-PB.pdf.jpg18d120502f17aed7acbfd17400ae8a29MD52unal/61853oai:repositorio.unal.edu.co:unal/618532023-04-14 23:04:46.659Repositorio Institucional Universidad Nacional de Colombiarepositorio_nal@unal.edu.co
dc.title.spa.fl_str_mv Shape Preferred Orientation (SPO) methodology for oriented hand specimens of rock and outcrops through digital image processing
title Shape Preferred Orientation (SPO) methodology for oriented hand specimens of rock and outcrops through digital image processing
spellingShingle Shape Preferred Orientation (SPO) methodology for oriented hand specimens of rock and outcrops through digital image processing
55 Ciencias de la tierra / Earth sciences and geology
Shape preferred orientation (SPO)
digital image processing
high resolution
Anfibolita de Sucre
tectonites
title_short Shape Preferred Orientation (SPO) methodology for oriented hand specimens of rock and outcrops through digital image processing
title_full Shape Preferred Orientation (SPO) methodology for oriented hand specimens of rock and outcrops through digital image processing
title_fullStr Shape Preferred Orientation (SPO) methodology for oriented hand specimens of rock and outcrops through digital image processing
title_full_unstemmed Shape Preferred Orientation (SPO) methodology for oriented hand specimens of rock and outcrops through digital image processing
title_sort Shape Preferred Orientation (SPO) methodology for oriented hand specimens of rock and outcrops through digital image processing
dc.creator.fl_str_mv Botero García, Manuela
Marín López, Sara Paulina
Vinasco Vallejo, César Javier
dc.contributor.author.spa.fl_str_mv Botero García, Manuela
Marín López, Sara Paulina
Vinasco Vallejo, César Javier
dc.subject.ddc.spa.fl_str_mv 55 Ciencias de la tierra / Earth sciences and geology
topic 55 Ciencias de la tierra / Earth sciences and geology
Shape preferred orientation (SPO)
digital image processing
high resolution
Anfibolita de Sucre
tectonites
dc.subject.proposal.spa.fl_str_mv Shape preferred orientation (SPO)
digital image processing
high resolution
Anfibolita de Sucre
tectonites
description The shape-preferred orientation (SPO) is a technique, which allows the study of the fabric of deformed rocks and understanding its dominant deformational style and partitioning. This work presents SPO results and methodological aspects for one hand specimen of rock and a highresolution composed image of an outcrop through digital image processing. The technique involves imaging of three semi-orthogonal oriented sections for digital processing and subsequent implementation in structural software. The image processing consists of digital separation of a phase of interest, i.e. defining the deformational fabric. The processed images are then implemented in the SPO2003® software for acquisition of sectional ellipses and finally implemented in the Ellipsoid2003® software to obtain the characteristic ellipsoid of deformational fabric. For outcrops, due to the difficulty to finding three appropriate sections for photography, it was only obtained a sectional ellipse, characteristic of the rock fabric based on contrasting deformed quartz segregates in mylonitic schists.
publishDate 2015
dc.date.issued.spa.fl_str_mv 2015-07-01
dc.date.accessioned.spa.fl_str_mv 2019-07-02T20:46:26Z
dc.date.available.spa.fl_str_mv 2019-07-02T20:46:26Z
dc.type.spa.fl_str_mv Artículo de revista
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dc.identifier.issn.spa.fl_str_mv ISSN: 2357-3740
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identifier_str_mv ISSN: 2357-3740
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dc.language.iso.spa.fl_str_mv spa
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dc.relation.spa.fl_str_mv https://revistas.unal.edu.co/index.php/rbct/article/view/44724
dc.relation.ispartof.spa.fl_str_mv Universidad Nacional de Colombia Revistas electrónicas UN Boletín Ciencias de la Tierra
Boletín Ciencias de la Tierra
dc.relation.references.spa.fl_str_mv Botero García, Manuela and Marín López, Sara Paulina and Vinasco Vallejo, César Javier (2015) Shape Preferred Orientation (SPO) methodology for oriented hand specimens of rock and outcrops through digital image processing. Boletín de Ciencias de la Tierra (38). pp. 5-13. ISSN 2357-3740
dc.rights.spa.fl_str_mv Derechos reservados - Universidad Nacional de Colombia
dc.rights.coar.fl_str_mv http://purl.org/coar/access_right/c_abf2
dc.rights.license.spa.fl_str_mv Atribución-NoComercial 4.0 Internacional
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dc.rights.accessrights.spa.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv Atribución-NoComercial 4.0 Internacional
Derechos reservados - Universidad Nacional de Colombia
http://creativecommons.org/licenses/by-nc/4.0/
http://purl.org/coar/access_right/c_abf2
eu_rights_str_mv openAccess
dc.format.mimetype.spa.fl_str_mv application/pdf
dc.publisher.spa.fl_str_mv Universidad Nacional de Colombia - Sede Medellín - Facultad de Minas
institution Universidad Nacional de Colombia
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