. The Quarterly journal of the Geological Society of London. d orthoclase, surrounded by a microspherulitic growth of quartz and felspar. In parallel arrangement with thisgrowth elongated flakes of chlorite are seen. Magnified 16 diameters.(See p. 74.) 3. Slide 3788 : from the Armboth Dyke, showing corrosion of garnet by quartz. Magnified 16 diameters. (See p. 80.) 4. Slide 3753 : ash from the Falcon-Crag Group. Magnified 16 diameters. (See p. 87.) Plate XIV. Fig. 1. Slide 3780 : streaky rock from Rosthwaite Fell, containing fragmentsof granophyre. Magnified 14 diameters. (See p. 95.) 2. Slide
. The Quarterly journal of the Geological Society of London. d orthoclase, surrounded by a microspherulitic growth of quartz and felspar. In parallel arrangement with thisgrowth elongated flakes of chlorite are seen. Magnified 16 diameters.(See p. 74.) 3. Slide 3788 : from the Armboth Dyke, showing corrosion of garnet by quartz. Magnified 16 diameters. (See p. 80.) 4. Slide 3753 : ash from the Falcon-Crag Group. Magnified 16 diameters. (See p. 87.) Plate XIV. Fig. 1. Slide 3780 : streaky rock from Rosthwaite Fell, containing fragmentsof granophyre. Magnified 14 diameters. (See p. 95.) 2. Slide 3875: streaky rock from Hindside (Seathwaite), showing pale patches of rhyolite separated by a darker and more basic 14 diameters. (See p. 1)5.) 3. Slide 3786: streaky rock from a loose block on the path between Sty-Head Tarn and Seathwaite. Magnified 8 diameters. (Seep. 97.) 4. Slide 3839 : blue fiinty ash, above the streaky rock, Whelpside Gill (Helvellyu). Magnified 12 diameters. (See p. 98.) , 72.
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Keywords: ., bookcentury1800, bookdecade1840, booksubjectgeology, bookyear1845
