Table 2 Location and description of the studied samples
Sample ID | Sample type | Easting | Northing | Description |
|---|---|---|---|---|
R1 | Host rock | 718,620 | 3,350,996 | Highly fractured weathered rhyolite with deep brown colour |
R2 | Host rock | 718,585 | 3,350,994 | Fractured less weathered rhyolite with salmon colour |
R3 | Host rock | 718,562 | 3,351,015 | Highly weathered rhyolite characterized by present of malachite (copper ore) |
R4 R5 | Weathered host rock | 721,038 721,038 | 3,347,705 3,347,705 | Malachite staining silicified zone, quartz fragments and silica veinlets in weathered and oxidized rhyolite |
Vn1 | Hanging wall | 720,715 | 3,348,448 | Hard quartz-rich felsite, compact rock with a brecciated appearance that includes silica veinlets cemented by a black substance. Colloform/crustiform textures; locally facies is pink with a cryptocrystalline patina, vein thickness is 75–85 cm |
VF1 | foot wall | 720,715 | 3,348,448 | |
Vt1 | Alteration zone | 720,715 | 3,348,448 | |
Vm1 | Mineralized vein | 720,715 | 3,348,448 | |
Vt2 | Alteration zone | 720,729 | 3,348,450 | Quartz-rich felsite Compact rock, hard, with cryptocrystalline to microcrystalline, with brecciated matter and pink colour. Colloform/crustiform textures |
Vn2 | Hanging wall | 720,729 | 3,348,450 | |
Vm2 | Mineralized vein | 720,729 | 3,348,450 | |
VB3 | Brecciated vein | 720,729 | 3,348,463 | Rock compact, quartz-rich felsite microcrystalline, with salmon colour Colloform/crustiform textures, with brecciated matter Thickness of vein (1-3m) |
Vh3 | Host rock | 720,729 | 3,348,463 | |
Vm3 | Mineralized vein | 720,717 | 3,348,351 | |
Vm4 | Mineralized vein | 720,717 | 3,348,351 | Quartz-rich felsite Compact rock, hard, with cryptocrystalline to microcrystalline, with brecciated matter and pink colour and in this station the vein become more oxidized. Colloform/crustiform textures |
Vh4 | Host rock | 720,717 | 3,348,351 | |
Vf4 | foot wall | 720,717 | 3,348,351 | |
Vm5 | Mineralized vein | 720,835 | 3,348,049 | Quartz-rich felsite Compact rock. Colloform/crustiform textures locally brecciated milky and dark grey coloured silica veinlets rich vein, 60 cm thickness |
Vh5 | Host rock | 720,835 | 3,348,049 | |
Vt3 | Alteration zone | 720,729 | 3,348,463 | |
Vm6 | Mineralized vein | 720,863 | 3,348,014 | Quartz rich Brecciated hard compact rock, dark grey colour thickness of vein approximately 40 cm |
Vh6 | Host rock | 720,863 | 3,348,014 | |
Vf6 | foot wall | 720,863 | 3,348,014 | |
S1 | Stream sediment | 721,063 | 3,348,707 | All the stream-sediment samples were sieved by mesh less than 2 mm (mesh 10) during the sampling in the field. The sampling was done at 30 cm depth to avoiding the organic material, contamination and any foreign material |
S2 | Stream sediment | 721,227 | 3,348,428 | |
S3 | Stream sediment | 720,668 | 3,348,515 | |
S4 | Stream sediment | 720,510 | 3,348,750 |