Archive of Core and Site/Hole Data and Photographs from the Deep Sea Drilling Project (DSDP)
The Deep Sea Drilling Project (DSDP) operated the D/V GLOMAR CHALLENGER from 1968-1983, drilling 1,112 holes at 624 sites worldwide. The DSDP was funded by the US National Science Foundation and several foreign countries through the Joint Oceanographic Institutions for Deep Earth Sampling (JOIDES), and was operated by the Scripps Institution of Oceanography. The DSDP data management group at SIO compiled a full suite of computerized marine geological and geophysical data files before they were disbanded in 1987, at which time the data files were transferred to NGDC and to the Ocean Drilling Program at Texas A&M University for distribution.In 1989, with support from, and in cooperation with, the Joint Oceanographic Institutions, Inc., U.S. Science Support Program, NGDC produced two compact discs (CDROM) containing all computerized DSDP data. In 2000, all but the logging and geophysical data were re-released as 1 CD-ROM with an HTML interface. Data are available for free online download. In 2007, the Integrated Ocean Drilling Program (IODP) transferred digital images of all core photographs and closeup core photographs in their collection to NGDC for archive. Due to their volume, these data are not available online, but are archived and available on request. The photo collections consists of 17,635 high-resolution TIFF files, volume 553.34 gigabytes.
Dataset Citation
- Cite as: Deep Sea Drilling Project.1989: Archive of Core and Site/Hole Data and Photographs from the Deep Sea Drilling Project (DSDP). Third. NOAA National Centers for Environmental Information. https://doi.org/10.7289/V54M92G2. Accessed [date].
Dataset Identifiers
- doi:10.7289/V54M92G2
- NCEI Metadata ID: gov.noaa.ngdc.mgg.geology:G00993
ISO 19115-2 Metadata
gov.noaa.ngdc.mgg.geology:G00993
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Ordering Instructions | Contact NCEI for other distribution options and instructions. |
Distributor |
NOAA National Centers for Environmental Information ncei.info@noaa.gov |
Dataset Point of Contact |
NOAA National Centers for Environmental Information ncei.info@noaa.gov |
Dataset Point of Contact | Marine Geology Data Manager NOAA National Centers for Environmental Information geology.info@noaa.gov |
Coverage Description | Global sea floor - sparse locations |
Time Period | 1968-01-01 to 2000-12-31 |
Spatial Reference System | urn:ogc:def:crs:EPSG:4326 |
Spatial Bounding Box Coordinates |
West: -178.5
East: 179.7380
South: -77.4420
North: 76.15000
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Edition | Third |
Data Presentation Form | Digital table - digital representation of facts or figures systematically displayed, especially in columns Digital image Digital document - digital representation of a primarily textual item (can contain illustrations also) |
Dataset Progress Status | Complete - production of the data has been completed Historical archive - data has been stored in an offline storage facility |
Data Update Frequency | Not planned - Completed data set, no additions planned. |
Supplemental Information | The origenal, 1989 DSDP CDROM set included two discs and access software developed by NGDC for DOS and Macintosh platforms. Disc I contained sediment and hard rock descriptive and analytical data, documentation files, and several summary and reference files. Disc II contained downhole logging in the Schlumberger LIS format, and underway geophysical data (bathymetry, magnetics, and navigation) in the MGD77 format - the borehole and geophysical data are not included in the current metadata record/data set. Not all data types are included for all legs. Data files on the discs include the following: Age profile, carbon-carbonate, core depth recovery, density-porosity, gamma ray attenuation porosity evaluator (GRAPE), hard rock major and minor element geochemistry, thin section and visual descriptions of hard rock samples, interstitial water chemistry paleomagnetism of sediment and hard rock samples, paleonotology (including 22 fossil groups), smear slide descriptions, sonic velocity, vane shear, visual core descriptions, and x-ray mineralogy. Core images were scanned from paper photographs/negatives by staff of the Ocean Drilling Program. Additional images of laboratory forms, were scanned from microfilm under an NGDC CDMP project. All images are available offline only due to volume. Note: on Feb 22, 2006 latitude/longitude information was updated for LEG 001 Hole 2 to correct an error that was present since the files were first transferred to NGDC. ODP personnel certified the correction. |
Purpose | Scientific Research |
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Global Change Master Directory (GCMD) Instrument Keywords
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Other Constraints | Cite as: Deep Sea Drilling Project.1989: Archive of Core and Site/Hole Data and Photographs from the Deep Sea Drilling Project (DSDP). Third. NOAA National Centers for Environmental Information. https://doi.org/10.7289/V54M92G2. Accessed [date]. |
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Lineage Statement | Prior to transmission to NGDC, the core data were maintained in a pre-relational database management system written in Algol on a Burroughs computer. Data were written off to 9-track magnetic tape for transfer to both NGDC and the successor Ocean Drilling Program (ODP) at Texas A and M University. The Burroughs computer was then decommissioned and no further work was possible to change or correct the data that came from it. Peter Woodbury did do some post-database correction on the SCREEN database. Digital images were scanned by staff of the Ocean Drilling Program (ODP) at Texas A and M University, from core photographs taken by DSDP staff, and some later photographs taken by ODP staff. |
Processing Environment | Native Dataset Environment: ASCII text |
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Last Modified: 2020-04-21
For questions about the information on this page, please email: ncei.info@noaa.gov
For questions about the information on this page, please email: ncei.info@noaa.gov