14 
15 
16 
17 
18 
19 
28 
29 
30 
31 
32 
33 
N. Z. ROCKS. 135 
Bed of Highly Pyritous Felspar Porphyry, occur- 
ring in the Breccia, half a mile above the Star of 
Polynesia Claim. 
Barren Quartz Reef. Bed of the Creek. 
Hardened Tufa. ‘Bed of the Creek. 
Amorphous Quartz. A bed, one mile above the 
Star of Polynesia. 
Decomposed Tufaceous Sandstone. 
the creek, a little above No. 17. 
Pyritous Tufaceous Sandstone. Bed rock above 
No. 18. 
White Plastic Clay, derived from the decomposi- 
tion of Tufa, by infiltration of water when not 
exposed to the direct action of rain. Near 
No. 19. 
Sandstone, with Quartz veins. A little below 
the Heart and Hand Claim. 
Non-auriferons Quartz. Heart and Hand Claim. 
Auriferous Quartz. Scottish Chief leader. 
Jasper. Picked up in the bed of the stream. 
Specimen, showing decomposition of the Tufa. 
Upper Tararu. 
Melaphyre. 
Bed rock of 
Trnker’s Gurty. (A branch of Tararu Creek.) 
Pyritous Rock, showing the progress of oxida- 
tion from the exterior by concentric rings. 
Look-out Rocks, highest point of the range 
between Tinker’s Gully and Karaka Creek. 
Compact Tufa. Just below the second waterfall. 
Pyrites, from a leader. About half way down 
the gully. 
Quartz vein, non-auriferous. From a claim, a 
few hundred yards up the gully. 
Trachyte. Same place as No. 30. 
Great Black Reef, (the color is due to Sesqui- 
oxide of Manganese.) Lady Bird Claim. 
Porphyritic Tufa, forms high walls at the entrance 
of the gully. 
