Potash-felspar, phosphate of lime, alum shales, plumbago or graphite, molybdenite, chromite, talc and steatite (soapstone soap-rock and potstone), diatomite
By: by A. Strahan, J.S. Flett and C.H. Dinham ; with contributions by C.T. Clough ... [et al].
Contributors: Flett, J. S.; Dinham, C. H.; Clough, C. T.; Geological Survey of Great Britain.
Edition: 2nd ed.
Series: Special reports on the mineral resources of Great Britain -- 5; Memoirs of the Geological Survey
Publisher: HMSO
Published: 1917
Place of publication: London
Language: eng