An Occurrence of Millerite in the Durham Coal Measures
- 1 August 1942
- journal article
- research article
- Published by Cambridge University Press (CUP) in Geological Magazine
- Vol. 79 (4) , 220-224
- https://doi.org/10.1017/s0016756800073908
Abstract
During the autumn of 1939 a series of bores were put down in the area immediately west of Green's Farm, 3 miles S.W. of Newcastle-upon-Tyne and 1½ miles E.S.E. of Whickham. Only one bore was carried beyond the Hutton seam, and in the thick sandstone beneath 1 that coal the borer recorded the presence of five “ limey bands ”. These bands were 10, 3, 5, 7, and 4 inches thick at 82, 103, 110, 113, and 116 feet respectively, below the Hutton seam. Each appeared to be a hard, compact, fine-grained greyish sandstone, no different from the remainder of the bed, except that it effervesced freely with dilute hydrochloric acid. On attempting to break open the 7 in. band it parted along a vertical joint, on the face of which were found the crystals of millerite.Keywords
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