The bottom of the stratum consists of mudstone with horizontal bedding, which forms an abrupt contact with the overlying sandstone. The inclined bedding lamina in the sand-mud interbed can dip at ...

Phyllite stone beds were formed millions of years ago, when in tectonic terms the Earth was still astonishingly active. Pushing, pulling, shunting and shearing forces worked over huge periods of time ...

ZNR-05: 2.19% Cu, 0.393 g/t Au, and 26.1 g/t Ag ZRS-23: 1.93% Cu, 0.936 g/t Au, and 24.9 g/t Ag APF*: 0.05% Cu, 1.03 g/t Au, 114 g/t Ag, 468.5 g/t Mo ZNR-06: 0.71% Cu, 0.106 g/t Au, and 17.3 g/t ...