A seismic reflection survey was carried out in Bishop Wood, Yorkshire to determine the subsurface structure and the depth to the prospective gypsum and coal measures. Four 24-channel Geodes were used with a PEG40 accelerated weight drop and 10 Hz geophones at 3 m intervals to shot a 1099 m spread. The final depth processed section shows some reflectors which are clearly visible and is geologically consistent with borehole information in the area. A strong reflector was found at 25 to 50 m depth, multiple reflections were seen between 70 and 150 m and a strong reflector was seen at 200 to 250 m on the processed seismic section. These were tentatively interpreted as the top of Bunter sandstone, multiple gypsum horizons and the top of coal measures respectively, these observations agreed with the borehole information obtained in the area. A southwards dipping fault was inferred in the section at approximately 600 m along the line, though this may be an artefact due to acquisition and or processing of the data.
Key words: Reflection, gypsum, coal, geophones, borehole and bishop wood.
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