An image analysis workflow was used to study the electron microscopy images of uncemented muds obtained at various depths (< 1.1 km burial) in the Kumano Basin of Nankai Trough offshore Japan for studying the silt bridging phenomenon. Forty-nine images from five core samples at different depths of Site C0002 obtained during Integrated Ocean Drilling Program (IODP) Expeditions 315 and 338 were used for the study. The original image set can be found at https://www.digitalrocksportal.org/projects/42. The selected mudrock images were filtered and segmented to identify the individual pores and silt size grains before statistical analysis. The images in the dataset have been classified according to depth: 19, 202, 401, 600 and 836 meters below seafloor (mbsf), with each individual set having 1 original image, 1 segmented image with pores overlaying the original image, and 1 image of separated pores, silt size grains and clay. Additional information on the drilling sites for Expeditions 315 and 338 can be obtained from the following links: http://publications.iodp.org/preliminary_report/315/ http://publications.iodp.org/preliminary_report/338/ http://publications.iodp.org/proceedings/314_315_316/314315316toc.htm http://publications.iodp.org/proceedings/338/338title.htm http://publications.iodp.org/proceedings/314_315_316/314315316bib.htm http://publications.iodp.org/proceedings/338/338bib.htm
Abhishek Bihani (University of Texas at Austin)
Jan. 20, 2020
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