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During each expedition of the International Ocean Discovery Program and its precursor, the Integrated Ocean Drilling Program (jointly referred to as IODP), vast arrays of data are collected from drill cores. These data, which are accessible from the IODP LIMS (Laboratory Information Management System) database, include physical, chemical, and magnetic properties collected semi‐continuously along cores using automated track systems, as well as a variety of analyses conducted on discrete subsamples taken from the cores. In addition, the lithology of all cores is described based on visual characteristics of the surface of split cores, visual examination of smear slides and thin sections, and compositional or mineralogical information derived from geochemical analyses. We extract basic lithologic information from this complex array of descriptive information and then tie that information to all other measurements. This new database is referred to as LIMS with Lithology (LILY). LILY currently contains over 34 million data from 89 km of core recovered on 42 expeditions conducted 2009–2019. Some uses of LILY include identifying the abundance of different lithologies, finding data from core intervals with a specific lithology, assessing the efficacy of coring systems in different lithologies, or characterizing and analyzing physical, chemical, and magnetic properties based on lithology. We illustrate the use of LILY by computing the grain density by lithology from over 24,000 moisture and density measurements and then use those grain densities, along with the large IODP bulk density dataset, to compute a new high‐resolution porosity dataset with over 3.7 million new porosity estimates.
During each expedition of the International Ocean Discovery Program and its precursor, the Integrated Ocean Drilling Program (jointly referred to as IODP), vast arrays of data are collected from drill cores. These data, which are accessible from the IODP LIMS (Laboratory Information Management System) database, include physical, chemical, and magnetic properties collected semi‐continuously along cores using automated track systems, as well as a variety of analyses conducted on discrete subsamples taken from the cores. In addition, the lithology of all cores is described based on visual characteristics of the surface of split cores, visual examination of smear slides and thin sections, and compositional or mineralogical information derived from geochemical analyses. We extract basic lithologic information from this complex array of descriptive information and then tie that information to all other measurements. This new database is referred to as LIMS with Lithology (LILY). LILY currently contains over 34 million data from 89 km of core recovered on 42 expeditions conducted 2009–2019. Some uses of LILY include identifying the abundance of different lithologies, finding data from core intervals with a specific lithology, assessing the efficacy of coring systems in different lithologies, or characterizing and analyzing physical, chemical, and magnetic properties based on lithology. We illustrate the use of LILY by computing the grain density by lithology from over 24,000 moisture and density measurements and then use those grain densities, along with the large IODP bulk density dataset, to compute a new high‐resolution porosity dataset with over 3.7 million new porosity estimates.
Introduction, background, and operations 6 Lithostratigraphy 11 Biostratigraphy 24 Stratigraphic correlation 26 Igneous petrology 31 Geochemistry 33 Microbiology 34 Paleomagnetism and rock magnetism 40 Physical properties 46 Downhole measurements 51 References Orientation-alignable retrieving cup Shear pins Inner seals Outer seals Quick release Rod Vents Honed ID drill collar Clear plastic liner Piston head and seal Shoe 3.80 inch bit (ID) 9.5 m stroke Seafloor Core Before stroke to take core After stroke to take core Advanced piston corer Figure F2. Schematic of the XCB system used during Expedition 355. Coring soft sediment Coring hard sediment Outer barrel Latch Coil spring Landing shoulder Spring shaft Quick release Circulating fluid Venturi vent system Liner bearings Nonrotating core liner 7 inch stroke/retraction Cutting shoe Circulation jets Core catchers Max. extension (variable) 6-14 inch Roller cone bit Bit seal Flow to cutting shoe Variable port-size inlet sub Cutting shoe retracted, hard sediment Cutting shoe extended, soft sediment Cutting discharge Cutting discharge Extended core barrel Pulling neck Latch finger Spacer adapter Check valve Core liner Landing support Float valve Core catchers Adjustable latch sleeve Swivel Quick release Nonrotating inner barrel Core size 2.312 inch (6.20 cm) diameter x 31.2 ft (9.5 m) long Bit seals
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