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Alpha Minerals Inc ESOFD



GREY:ESOFD - Post by User

Post by Tinmannon Nov 28, 2012 11:02am
352 Views
Post# 20654444

Let's talk about stripping...

Let's talk about stripping...

Not that kind of stripping, but pre-stripping... 

 

HAT's deposit was mostly between 250-300m deep, AMW's holes are hitting mineralization at around 60-70m deep. Now, I did some reading of the HAT preliminary economic assessment to get a feel for how significant the shallowness of this Patterson Lake mineralization is, and here's what I found.

 

The HAT PEA showed average pit wall slopes of 39 degrees. If you look at a cone with that angle as the "wall", you can figure out how much rock needs to be moved to get to a deposit at any given depth. I'm not saying HAT will end up being an open pit, BUT that's what their PEA was run as. Feel free to look it up, I'm not making this up.

 

Anyways, apples to apples, if AMW runs to 100m deep versus HAT's 250m, that means that a pit at AMW/FIS Patterson Lake would need to move LESS THAN 10% of the rock than what you'd need to move at Roughrider. 

 

Think about what that means in terms of the economics here. It's not going to take much to make an economic deposit.  I'll say it again, if our holes come back with anything close to what the initial HAT holes came back with, this is going to be wild. We have literally kilometers of prospective strike along the conductor corridor.

 

People are slow to realize how important depth is in this equation. Shallow is good, but shallow and high grade? That's what you want.

 

 

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