THE MICRO-MINERALOGY OF NORTH WALES SOILS

[1] BILLINGHURST SA, 1929, GEOL MAG, V66, P289

[2] BOSWELL P. G. H., 1949, MIDDLE SILURIAN ROCK

[3] DOUBLE IS, 1928, P LIVERPOOL GEOL SOC, V15, P63

[4] DOUBLE IS, 1927, P LIVERPOOL GEOL SOC, V14, P249

[5] GREENLY E, 1942, Q J GEOL SOC, V97, P163

[6] GREENLY E, 1928, Q J GEOL SOC LOND, V84, P382

[7] GREENLY E, 1927, P LIVERPOOL GEOL SOC, V14, P343

[8] GREENLY E, 1919, GEOL SURV MEM

[9] Greenly E., 1945, Q J GEOLOGICAL SOC L, V100, P269, DOI 100.01-04.16

[10] HARKER A, 1889, BALA VOLCANIC SERIES

[1] BILLINGHURST SA, 1929, GEOL MAG, V66, P289

[2] BOSWELL P. G. H., 1949, MIDDLE SILURIAN ROCK

[3] DOUBLE IS, 1928, P LIVERPOOL GEOL SOC, V15, P63

[4] DOUBLE IS, 1927, P LIVERPOOL GEOL SOC, V14, P249

[5] GREENLY E, 1942, Q J GEOL SOC, V97, P163

[6] GREENLY E, 1928, Q J GEOL SOC LOND, V84, P382

[7] GREENLY E, 1927, P LIVERPOOL GEOL SOC, V14, P343

[8] GREENLY E, 1919, GEOL SURV MEM

[9] Greenly E., 1945, Q J GEOLOGICAL SOC L, V100, P269, DOI 100.01-04.16

[10] HARKER A, 1889, BALA VOLCANIC SERIES