It doesn,t matter if you put 100 links in your post, if you are reading them wrong, they will all tell you the same thing. I suggest you do some more reading on the geochemical side and do comparisons to geochemistry of the Tesoro. If you keep reading them wrong, you will end up putting out misinformation on this board, and I cannot allow that.

I had an excellent diagram of the Pierina deposit that I cannot get posted here, there could be similarities between it and the Quantec images of Tesoro. It is also interesting to note that the intrusive rock at Pierina is granodiorite, this is mineralized to a lesser extent at Pierina in comparison to the 4-5 samples taken at the Tesoro of the Granodiorite.

The vuggy quartz is formed from hydrothermal fluids, this quartz can be formed in veins or large pods, if you trace the source back from the pods, you will see that the conduit/s are veins.

Most of the Pierina deposit was most likely intact, meaning that in comparison to the Tesoro, we could be considered a craton, whereas the Pierina still has the top portion intact. Below the Pierina deposit you start to run into more similar geology to the Tesoro, although slightly different, there are many similarities that should not be ignored. This is where you are getting confused, you are trying to compare the top portion of the Pierina with the top portion of the Tesoro, you can,t successfully do that, because there are only a remnant of that at the Tesoro. The remnants found at the Tesoro are very similar in respect to the composition of Pierina,s mineralization.

You may also find it interesting in the shape of the Pierina deposit, an upside down tear, that may resemble the shape of the giant anomaly on the Tesoro, and what this particular shape is indicative of in geology. Hint; ore body.