Name: Offshore samples: geology (grab samples)

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Description: BGS has drilled almost 600 boreholes to prove seismic interpretations of the marine Quaternary geology and bedrock from the UK Continental Shelf (UKCS). The collection also includes additional third party data and has assisted in the creation of BGS marine geology maps. The boreholes penetrate beneath the sea bed to depths ranging from about 10 m to over 300 m, depending on the target depth or technical problems associated with drilling the borehole. The data include descriptive geological core logs and data which have been captured from these, and in some cases, natural gamma logs. A variety of analyses have been conducted on the core material, such as particle size analysis (PSA), micropalaeontological analysis, geotechnical investigations, palaeomagnetic analysis and age dating. Core material is managed as part of the BGS materials collection and is available for examination and subsampling. The data are stored as part of the National Geoscience Data Centre (NGDC) and the Marine Environmental Data and Information Network (MEDIN) Data Archive Centre (DAC) for geology and geophysics. Data are delivered via the BGS GeoIndex. This dataset is covered by multiple layers, split by the type of material or sampling technique, and the type of data. Borehole-type samples (including boreholes, cores and drills), grab-type samples and other sample types are separated, and there is a metadata layer (containing metadata and links to scanned borehole logs) and a geological data layer (containing depth-bounded geological observations and/or measurements) for boreholes, grabs and other sample types. For borehole-type data, a geotechnical layer containing numerical results of geotechnical tests is also provided. Where available, particle size analysis (PSA) and geochemical data are also provided as separate layers. The data are applicable to a wide range of uses including environmental, geotechnical and geological studies. Reference: Fannin, NGT. (1989) Offshore Investigations 1966-87 British Geological Survey Technical Report WB/89/02, British Geological Survey.http://data.bgs.ac.uk/id/dataHolding/13605642

Copyright Text: The copyright of materials derived from the British Geological Survey's work is vested in the Natural Environment Research Council [NERC]. No part of this work may be reproduced or transmitted in any form or by any means, or stored in a retrieval system of any nature, without the prior permission of the copyright holder, via the BGS Intellectual Property Rights Manager. Use by customers of information provided by the BGS, is at the customer's own risk. In view of the disparate sources of information at BGS's disposal, including such material donated to BGS, that BGS accepts in good faith as being accurate, the Natural Environment Research Council (NERC) gives no warranty, expressed or implied, as to the quality or accuracy of the information supplied, or to the information's suitability for any use. NERC/BGS accepts no liability whatever in respect of loss, damage, injury or other occurence however caused.

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