| Local Unit |
Depth (m) |
Interval (m) |
Description | Interpretation/Assignment |
|
0 - 10.05 |
| overburden, weathered rubble
| |
| 1 |
10.05 - 49.87 |
> 39.37 | black phyllite with pyrite and carbonate
porphyoblasts
| |
|
49.87 - 51.90 |
| fault zone; black phyllite, white vein quartz
breccia
| |
| 2a |
51.90 - 64.50 |
12.6 | pale green to greenish grey phyllite finely
laminated with quartz, spotted with fine
carbonate porphyroblasts; numerous fault
zones
| |
| 2b |
64.50 - 98.96 |
34.36 | medium to dark green phyllite with carbonate
and magnetite porphyroblasts to 1mm
diameter. Pyrite porphyroblasts to 1 cm
making up as much as 20% of rock,
abundant smokey grey quartz laminations
and white quartz veins, some with 10-15%
coarse pyrite
| structural hangingwall of B.C. Vein
(Rainbow Unit 4) |
| 3a |
98.96 - 115.21 |
16.25 | black pyritic phyllite and light grey micaceous
quartzite, all highly tectonized
| B.C.
Vein
and
Fault |
| 3b |
115.21 - 126.48 |
11.27 | graphitic, pyritic black phyllites with up to
50% white vein quartz, all highly tectonized,
considered to represent faulted quartz vein
zone
| B.C.
Vein
and
Fault
B.C. Argillite Unit of B.C.
Member |
| 3c |
126.48 - 164.29 |
37.81 | black pyritic phyllites, quartz veins, all very
tectonized
| B.C.
Vein
and
Fault |
| 4 |
164.29 - 190.00 |
25.71 | fault and abrupt change in rock type to pale
brownish grey micaceous quartzite, well
laminated, thinly foliated with 10-15% fine disseminated pyrite, pale tan phyllosilicate
and quartz laminations
|
structural footwall of BC Vein and
fault structure, equivalent to rocks
that host the Bonanza Ledge and Mucho Oro zones
upper unit of B.C. Member |
|
190.00 - 196.01 |
6.01 | fault zone in brown micaceous quartzite,
numerous white quartz veins and breccia
| |
| 5 |
196.01 - 205.15 |
9.14 | light grey micaceous quartzite with mauve
phyllosilicate and watery blue quartz
lamellae, ~ 3-5% fine disseminated pyrite
| lower unit of B.C. Member |
| 6 |
205.15 - 236.83
(EOH) |
31.68 | black phyllites and turbidites banded with
white quartz veins, minor disseminate pyrite
| |
None of the core samples have yet been analyzed.
