496 
HARKER : PETROLOGY OF LAKE DISTRICT. 
241, 242 (Eskdale); Harker and Marr, Q.J.G.S. (1891), 
XLYIL, 275-285, PI. XL, figs. 1-3 (Shap) ; Harker, Q.J.G.S. 
(1895), LI., 139-142 (Skiddaw granite and Grainsgill greisen). 
See also on metamorphosed Skiddaw slates, Rosenbusch, Die 
Steiger Schiefer (1877), 211-213, translated in Naturalist 
(1892), 119, 120 ; Teall, I.e., PI. XXXIIL, fig. 2; Harker, Geol. 
Mag. (1894), 169, 171, and Petr. for Stud., figs. 64, 65; 
and on metamorpliosed Coniston Flags near Shap granite, 
Hutchings, Geol. Mag. (1891), 459-4G2, and (1892), 40-45, 
64-75. 
(6) Quartz-porphjries (with transitional varieties between these 
and the lamprophyres). — Harker and Marr, Q.J.G.S. (1891), 
XLVH., 285-292. 
(c) Mica Lamprophyres. — Bonney and Houghton, Q.J.G.S. (1873): 
XXXV., 165-179 ; Ward, Geol. N. Part. Lake Distr., 
33 ; Harker and Marr, I.e. ; Harker, Geol. Mag., 1892, 
199-206 ; Naturalist (1889), 210, 211 ; and Petr. for Stud., 
fig. 28. 
{(1) Carrock Fell intrusions.— \YsiTd, Q.J.G.S. (1876), XXXIL, 
16, 17, 19-26; Trechmann, Geol. Mag. (1882), 210-212 
(gabbro); Teall, Geol. Mag. (1885), 109 (granophyre) ; Brit. 
Petr., 179-181 (gabbro), PI. XLVIL, fig. 5 (granophyre); 
Harker, Q.J.G.S. (1894), L., 316-324, PI. XYIL (gabbro), 
and (1895) LL, 126-139 (granophyre); also Petr. for Stud., 
figs. 13, 21. On small dykes and veins cutting the larger 
masses, see Groom, Q.J.G.S. (1889), XLY., 298-304. PI. 
XH. (spherulitic tachylyte), and Harkei, Geol. Mag. (1894), 
551-553, with Petr. for Stud., fig. 41 (variolitic andesite). 
(e) Bolerite. — None of tlie supposed Tertiary dolerite dykes seem 
to have been described from the Lake District proper ; 
but see Q.J.G.S. (1891), XLVH., 525 (from Eden valley). 
