218 



SERPENTINES, ETC. 



Upper 

 Gallery*. 



Wall-case 5. 



49 and 50. — Compact serpentinous brecciated marble 

 with lines of white calc spar. — Tre-gela, near LlanfechelL 

 Anglesea. 



51. — Serpentinous breccia-marble. Map 78, N.W. 



Pen'r-allt, Llangefni, Anglesea. 



52 and 53. — Reddish serpentinous breccia, with frag- 

 ments of purple slate and lines and veins of white calc 

 spar. — Llanfechell, Anglesea. 



54. — Serpentinous breccia, composed of fragments of 

 dark greenish serpentine cemented with veins of steatite. 



Llanfechell, Anglesea. 



55. — G reen serpentine, with numerous veins of steatite 

 and calc spar. — Llanfechell, Anglesea. 



56. — Compact brecciated serpentinous marble. — Llan- 

 fechell, Anglesea. 



Serpentinous breccia. Map 78, N. E. — Tyddyn 



57. 



dii, 1 mile south of Amlwch, Anglesea. 



58. — Elvan (felspathic trap\ containing fragments of 

 serpentine^ with included crystals of diallage and a few 

 steatitic lines. — From the Serpentine Quarry, Llanfechell, 

 Anglesea. 



59. — Green serpentinous breccia, of Cambrian date, 

 traversed by a line of calc spar. Map 75, N. W. — Porth 

 Dinlleyn Head, Caernarvonshire. 



60 and 61. — Green serpentinous rock, with veins of calc 

 spar and subangular patches of red jasper. — Porth Dinlleyn, 

 Caernarvonshire. 



62 to 64. — Green serpentinous rock, with a few veins 

 of calc spar. — Porth Dinlleyn, Caernarvonshire. 



65. — Altered rock, occurring in serpentine. — Anglesea. 







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