14 PLUTONIC ROCKS.—CASE III. 
19. FELSPAR PORPHYRY. 
Map No. Rb 95. 
N.E. parah of Baynton. +sheet 
51 S.W. 
Dark-grey, nearly homogeneous fel- 
spathic rock, with small crystals of 
felspar. Occurs at the junction of the 
Granite and Lower Silurian, associated 
with gneiss. 
*20. Granitic PorPHYRY. 
Map No. Rb 79. 
West of Lancefield Road, and 
south of the parish of Baynton. 
4 sheet 5 N.W. 
Occurs in granite. It consists of a 
dark-grey, crystalline base of quartz, 
felspar and hornblende, with scattered 
particles of amorphous quartz, crystals 
of felspar and a little mica. The 
quartz is occasionally coated with some 
dark-green mineral. 
*21, FELSPAR PORPHYRY. 
Map No. Rb 76. 
Section 50, Langley. 4 sheet 5 
N.W. 
Hard, dense, grey base, with crystals 
of felspar, rounded grains of quartz, and 
specks of magnetic pyrites and horn- 
blende. Traverses granite. 
*22, FELSPAR PoRPHYRY. 
Map No. Rb 71. 
Section 72, Langley. 4 sheet 5 
N.W. 
Similar to the last, with mica crystals, 
23. FELSPAR PORPHYRY. 
Map No. Rb 95. 
N.E. ofp parish of Baynton. sheet 
51 S.W. 
Dark base, with felspar crystals. 
Occurs with No. 19. 
24. FELSPAR PORPHYRY. 
Map No. Rb 95. 
Same locality as last, 
Siliceous base, with felspar in small 
crystals, and black specks of either 
mica or some hornblendic mineral. It 
occurs with Nos. 19 and 23. 
*25, FELSPAR PORPHYRY. 
Map No. Ra 58. 
Spring Hut. } sheet 14 N.W. 
Occurs in granite. Dark-grey base, 
with crystals of felspar and rounded 
grains of quartz. 
*26. Ferspar Porpuyry. 
Map No. Ra 6. 
Near lots 12 and 13, section 2a, 
parish of Baringhup. + sheet 
14 S.W. 
Occurs with granite in Silurian; a 
fine-grained base, with mica, quartz and 
felspar crystals. 
*27. FELSPAR PORPHYRY. 
Map No. Ra 4. 
Lot 3, section 24, Tarrangower. 
4+ sheet 14 S.W. 
Occurs in Silurian. Light-grey, gran- 
itic base, with flesh-colored felspar crys- 
tals, a little quartz and mica. 
*28. FELSPAR PORPHYRY. 
Map No. Ra 5 
Lot 4, section 24, Tarrangower. 
4 sheet 14 S.W. 
Occurs in Silurian. Grey and flesh- 
colored base, with felspar and quartz 
crystals and a little mica. 
29. GRANITIC FELSPAR PORPHYRY. 
List No. Rs 20. 
Roses Gap, Grampians. 
Felspathic base, with quartz, felspar, 
and mica. 
80. SYENITIC FELSPAR PoRPHYRY. 
List No. Rs 25. 
Same locality as last. 
Red, silico-felspathic base, with fel- 
spar and hornblende crystals and quartz. 
81. SYENITIC PORPHYRY. 
List No. Rs 26. 
Rose’s Gap, Grampians. 
P, 
Flesh-colored, felspathic base, with 
hornblende, greenish-yellow felspar and 
quartz. 
32. FELSTONE PORPHYRY. 
List No. Rsr 18. 
McKenzie’s Falls, Grampians. 
Brown, flinty base, with glassy-look- 
ing felspar, quartz and a black mineral, 
It weathers yellow. 
33. FELSTONE Porpuyry. 
List No. Rsr 18. 
Same locality as the last, 
34. 
Those marked with an * occur as dykes (Elvans). 
ps- 
