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Databases
Janus Data Model
The Janus database is based on a relational data model consisting of over 450 tables. The complete data model is too big to view on a computer monitor or on paper. For ease of viewing and analysis the model has been divided into several subject areas corresponding to the scientific laboratories and data types. The data model was originally developed using System Architect and is now maintained using Computer Associates ERwin data modeling software. For any questions regarding the data model please contact the IODP Data Librarian.
| Data table | Entity relationship diagram |
Attribute definitions |
|---|---|---|
| Core Log | PDF file | PDF file |
| Age Model | PDF file | PDF file |
| Visual Core Descriptions (VCD) | PDF file | PDF file |
| Smear Slides/Sedimentary Thin Sections (SS/STS) | PDF file | PDF file |
| Gamma-ray Attenuation (GRA) | PDF file | PDF file |
| P-wave Whole-core Velocity (PWL) | PDF file | PDF file |
| Magnetic Susceptibility (MSL) | PDF file | PDF file |
| Natural Gamma Radiation (NGR) | PDF file | PDF file |
| Cryogenic Magnetometer | PDF file | PDF file |
| Thermal Conductivity | PDF file | PDF file |
| Moisture and Density (MAD) | PDF file | PDF file |
| P-wave Split-core Velocity (PWS) | PDF file | PDF file |
| Shear Strength | PDF file | PDF file |
| Chemistry: Carbonate | PDF file | PDF file |
| Chemistry: Interstitial Water | PDF file | PDF file |
| Chemistry: Gas Elements | PDF file | PDF file |
| X-ray Fluorescence/X-ray Diffraction (XRF/XRD) | PDF file | PDF file |
| Paleontology | PDF file | PDF file |
| Adara Downhole Temperature | PDF file | PDF file |
| Tensor Orientation Tool | PDF file | PDF file |
| Color Reflectance | PDF file | PDF file |
| Digital Images | PDF file | PDF file |
| Curation | PDF file | PDF file |
| Miscellaneous | PDF file | PDF file |