{ "type":"Feature", "properties":{ "cruise_id":402.0, "mdfileid_nerc_guid":"abc9f747-5485-0f38-e044-0003ba9b0d98", "cruise":"1977/Zephyr", "cruise_alias":null, "restitle":"Sampling Survey 1977_Zephyr: English Channel (July - October 1977)", "ship":"Zephyr", "client":"Department of Trade and Industry", "contractor":"British Geological Survey", "cruise_area":"CP2 Regional Sea Boundaries: Western Channel & Celtic Sea, Offshore 1:250k: Cockburn Bank, Guernsey, Lizard, SeaVoX Sub-Ocean: CELTIC SEA, ENGLISH CHANNEL", "abstract":"This sampling (drilling) survey has been carried out by, contractors for Department of Energy, the survey took place from July to October 1977 in the SW Approaches and western English Channel on board the semisubmersible drilling rig Zephyr I. The purpose was to drill four stratigraphical test boreholes, Institute of Geological Sciences (IGS) now British Geological Survey (BGS) staff carried out well-site geologist duties. Borehole data were collected using drilling techniques. These data are archived by BGS. Details of the survey are contained in IGS Annual Report 1974.", "additional_info":"For more detailed information on the acquisition equipment and data collection techniques, operational standards, data processing methods and quality control procedures used on this survey see the Report of Survey/Cruise Report and associated documentation where available. The information available may vary depending on the age of the survey. Data are checked and loaded to the BGS Coastal and Marine data management system following BGS marine data management procedures.", "nav_equip_type":"Satellite Navigation System", "geophys_equip_type":null, "samp_equip_type":"Borehole", "start_date":"1977-07-01T00:00:00", "start_date_est":"Estimated", "end_date":"1977-10-30T00:00:00", "end_date_est":"Estimated", "confidentiality":"unclassified (open file)", "accessuse_restric":"unrestricted use, copyright acknowledgement", "terms_of_use":"Available under the Open Government Licence subject to the following acknowledgement accompanying the reproduced Department of Energy and Climate Change materials \"Contains Department of Energy and Climate Change materials \u00a9DECC [year]\"\r\n", "terms_of_use_url":"http://nationalarchives.gov.uk/doc/open-government-licence/version/3/", "cruise_data_url":null }, "id":402.0, "geometry":{ "type":"MultiPolygon", "coordinates":[ [ [ [ -4.908158388452449, 49.43753069711929 ], [ -4.90815712658155, 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