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20.5¢ wiluna mining corporation limited.

Ann: Wiluna Open Pit Mining Commences, page-38

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GravityWaves

1,697 Posts.

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18/10/18

11:22

Post #: 36169989
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Originally posted by VYR: ↑

Wiluna ASIC ?

For anyone interested in numbers.
In the June qty the plant processed transitional and fresh ore from Matilda with a recovered grade of 1.13 g/t (1.44 x .7876 )
* ASIC $1509
In the march qty the plant processed oxide ore from Matilda with a recovered grade of 1.34 g/t ( 1.51 x .894 )
* ASIC $1092
The Wilunga resource
* Transitional ore 1.53 g/t forcast 84.3% recovery yields 1.14 g/t (c.f, 1.13 march qty )
* Oxide ore 1.26 g/t forcast 90.8% recovery yields 1.28 g/t ( c.f. 1.34 june qty)

The average grade at Wilunga (1.43 g/t) is slightly higher than Matilda (1.39 g/t )
We are aware of the split between oxide and transitional at Wilunga which yields an average recovery of 1.225 g/t based on the forcast recovery percentages.

I can't find a split between oxide and transitional at Matilda but the average recovered grade may not be too different based on the above numbers.

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In addition to better grades at Wiluna OP, the proximity to the plant is a real cost saver compared to Matilda. What will also be interesting is the stripping ratio. 1:1 (or less) is fantastic, 3:1 is pretty good & 7:1 can work if ore grade, haulage & mill throughput are good enough. Hopefully the stripping ratio at Wiluna OP will be consistently better than Matilda.

BLK Price at posting: 4.6¢ Sentiment: None Disclosure: Held
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