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Saturday, June 10, 2017

Camino - Road to Chala

Tired if working the traveling sideshow circuit investment show circuit in Canada, the Camino Dream team, got tangled up with raising 5 million loonies, but have triumphantly returned with some core, from driest, sandiest Peru.

so beautiful...

Summary.

Negatives
  • Poor correlation between diamond hole and earlier high-grade RC hole
  • Presence of Acid Soluble copper throughout the hole - could this lead to metallurgical complexities?
Positive
  • DCH-001 intersected a third, deeper zone(s) of Cu mineralization (27m @ 1.63% Cu)
I was disappointed that there was such a discrepancy between holes CHR-002 and DCH-001.
  • Original Hole - CHR-002 = 106m @ 1.3% Cu
    • inc. 38m @ 2.12% Cu
  • Twin Diamond hole - DCH-001 = 168.5m @ 0.72% Cu
    • including a couple of ~10m zones grading >1% Cu
We can see that visually:

those holes are only 10-15m apart - much less red stuff in hole DCH-001!

So, we have 2 holes, drilled right next to one another that have returned significantly different results. I'm ignoring the PR intervals and looking at the individual samples (the colored bars) and you can see that there are significant differences between the holes. Are we seeing sample bias caused by the RC drilling? It may have:
  • Washed away of fines and lighter material (i.e. the gangue)
  • Caused dilution and mixing of grade across zones, particularly at the water table
Or, do we have a very heterogeneous zone of mineralization, with significant changes in grade over small distances?

My feeling is that the RC drilling has produced non-representative sample, and for me it will be interesting to see what is reported in the diamond holes.


Here are my annotated notes for this section, just to highlight some important areas.

Add caption
I'm also intrigued with the Magnetite rich zones. They have been interpreted as being horizontal, but the cool thing with Leapfrog, you can test a variety of ideas.

Are they horizontal?

cross section through Adriana


Are they vertical?

vertical dykes (grey)
We can see that there is a significant difference in the depth to the magnetite-rich unit between sections, and the vertical interpretation could be an reasonable alternative, I'm thinking that there could be a series of vertical post-mineral (i.e. after copper) dykes cutting through the project.

You can get the Leapfrog viewer file from here (link).


Just some feedback for Camino, could you get someone to review your PRs before you set them free?
loads of errors
You have some typos, using the wrong units and refer to gold assays in the blurb below the table - or is the AssCu number meant to be gold?