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Digital images of petrology rock thin sections from samples that are referenced in the BGS Petrological Collection Database (Britrocks). Two reference images are being captured for each thin section, one taken in Plane Polarized Light (PPL) and the other in Crossed Polarized Light (XPL). The Britrocks database provides an index to the BGS mineralogical & petrological collection. The computer database covers samples in the UK onshore mapping collection together with worldwide reference minerals and the Museum Reserve collection. The first England and Wales collection sample is from circa 1877, Threshthwaite Comb, Cumbria (collected by the Reverend Clifton Ward). The addition of new samples, transfer of records from registers and updates of existing records is ongoing on a regular basis. Internet access to the database is provided on the BGS web site. Capture of the Scottish Collections began February 2012. Capture of the English and foreign collections began in December 2012.
Core description, core samples and thin sections of Lower Carboniferous dolomite. Thesis : Reservoir Properties of Lower Carboniferous Limestone of the Derbyshire East Midlands Platform by Jack Stacey. Thesis: Advances in understanding the evolution of diagenesis in carboniferous carbonate platforms: insights from simulations of palaeohydrology, geochemistry, and stratigraphic development by Miles Frazer
Scanned and annotated thin sections, in plane-polarised and cross-polarised light. Derivative statistical data for mineral grainsize and spatial distribution. Younger Giant Dyke, Tugtutoq, South Greenland.
Scanned and annotated thin sections, in plane-polarised and cross-polarised light. Derivative statistical data for mineral grainsize and spatial distribution.
PALSLIDES_ED is the BGS Edinburgh Palaeontological Slides Collection. It comprises two registration series. The MIC (microfossils) series, which is added to sporadically, includes c.950 individually registered slides (each with up to 100 cells) of microfossils (mainly foraminifera and ostracods). The PS (Palaeontological thin Sections) registration series, which has not been added to since 1987, comprises 4202 fossil thin sections and mounted slides, and includes various donated collections. Both the MIC register (10 volumes) and PS register (2 volumes) record the locality of each slide and any previous registration numbers. Stratigraphic information may also be given. Taxonomic information is not complete. There is, at present, no separate index (either analogue or digital) to the dataset, but it is included in FOSSLOC4. GSE_SPECIMENS and SMITH_GSE include those slides and thin sections transferred to the Type and Stratigraphical Collection from the Survey and John Smith collections.
The foreign sliced rock or 'F' collection consists of about 10, 000 specimens and thin sections, cited by their 'F' numbers. These include material archived from recent overseas projects and much collected during the late 19th or early 20th Century from regions within what was then the British Empire. It also includes 'exotic' materials donated to the Survey in its earlier years. Its coverage varies, although there is a predominance of African material. It is indexed on paper registers, and approximately 20% has been input onto 'Britrocks'.
As an integral part of the investigations carried out at Sellafield, and to a lesser extent for the Dounreay boreholes, the cores from the boreholes were systematically examined by geologists and samples selected for detailed petrographic analysis. Thin sections were prepared from many of these samples. Some of the samples were then prepared for analysis using X-ray fluorescence, X-ray diffraction or scanning electron microscopy. Samples containing fluid inclusions were prepared as doubly polished fluid inclusion wafers. Thin sections were prepared from soil materials obtained from the investigations of the Quaternary deposits. Particular attention was given to samples of the mineralisation that was identified in the formations at Sellafield. In addition to the samples from the boreholes, there are also some samples obtained from surface exposures that were examined during the regional surveys. The samples and sections have been catalogued and incorporated into the national collection by the British Geological Survey. The ownership of NIREX (Nuclear Industry Radioactive Waste Executive) was transferred from the nuclear industry to the UK Government departments DEFRA and DTI in April 2005, and then to the UK's Nuclear Decommissioning Authority (NDA) in November 2006.