Estonia’s Geocollections portal provides open-access geoscience data, including specimens, localities, samples, drill cores, analyses, and photos.
IODP Bremen Core Repository
The Bremen Core Repository preserves cores from international scientific ocean drilling programs at the University of Bremen.

About IODP Bremen Core Repository
The IODP Bremen Core Repository at the University of Bremen stores deep-sea cores from the International Ocean Drilling Programme (IODP³), International Ocean Discovery Program, Integrated Ocean Drilling Program, Ocean Drilling Program, and Deep Sea Drilling Project. Holdings cover the Atlantic Ocean, Mediterranean, Black and Baltic Seas and Arctic Ocean, with more than 193 km of cores from 107 expeditions in around 300,000 boxes.
Scientists can request samples through the Sample and Data Request System (SaDR) and use the Web Interface for BCR Curatorial Data to check prior sampling, export records as CSV, and view Geo Sample Profile reports. Samples can be taken by repository staff or by visiting scientists; land-based cores from ODP Legs 150X and 174AX are stored at Rutgers in Piscataway, NJ.
Key features
- Request deep-sea core samples through Sample and Data Request System (SaDR)
- Search prior sampling records by expedition, site, hole, and core
- View sampled sections visually with Geo Sample Profile report
- Download sampling results as CSV file for selected cores
- Access list of deep-frozen microbiology samples at BCR
- Take samples on-site or have repository staff take them
- Holds more than 193 km of cores from 107 expeditions in around 300,000 boxes
- Operates 1,100 sqm refrigerated storage with movable rack system and laboratory space
- Provides curatorial search with CSV export and visual Geo Sample Profile
- Land-based cores from ODP Legs 150X and 174AX are stored at Rutgers, not in Bremen
- Geo Sample Profile reports may require allowing browser pop-ups from mdis2.marum.de
IODP Bremen Core Repository at a glance
- Category
- Research & Data › Open Data & Datasets
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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IODP Bremen Core Repository FAQ
How can scientists request samples from deep-sea cores?
How can I check where samples have already been removed?
Where are land-based cores from ODP Legs 150X and 174AX stored?
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