. The Quarterly journal of the Geological Society of London. S., Photo. Fig. 2. A Boulder from one of the large Veinsof Pseudotachylyte near Bernrose. Colto, Derby Quart. Journ. Geol. Soc. Vol. LXXll, 1. x 15

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Keywords: ., bookcentury1800, bookdecade1840, bookidquarte, booksubjectgeology