Mt Mason
The Mount Mason iron ore deposit is located approximately 90 km west of Menzies, by an all weather road from Jupiters planned rail loading site next to the existing public railway at Menzies. The railway links Menzies to the Port of Esperance, which has available capacity and loading facilities. Mt Mason is covered by a live exploration licence and a mining licence application which is being negotiated for grant.
History
After the original discovery in 1909 by the GSWA it was not until1969 that BHP mapped Mt Mason and yielded average assay figures of 62.8% Fe with 0.042% phosphorus, however at the time infrastructure in the area was non existent. Subsequently recent mapping in 2005 determined the haematite body at Mt Mason outcrops over approximately (700m x 100m) metres and had average surface samples of 64.27% Fe, 3.97% Silica, 1.19% Al2O3, and 0.053% Phosphorous.
Recent Exploration
In May 2006, Jupiter conducted a very successful initial 9 hole, 543m drilling program originally designed to confirm previous surface rock-chip samples and as a result Jupiter has confirmed a first stage initial JORC compliant resource of 1.8Mt @ 60.3% iron. The drilling only tested 170m of the 700m of outcropping blue haematite and subsequently the deposit remains open in all directions. Additionally, there is an extensive Kanga developed over the down dip extension of the deposit.
Results from the first drilling program include: 29m @ 63.3 % Fe (MMRC107), 17m @ 60% Fe MMRC105), 18m @ 61.44% Fe (MMRC108), 7m @ 63.84% Fe (MMRC109), 8m @ 63.52% Fe (MMRC 106), 6m @ 60% Fe (MMRC101) and 4m @ 61.48% Fe (MMRC 103)
. (Assays also confirm low Phosphorous, Aluminium, Silica and Loss on Ignition (LOI) levels which are totally acceptable to current steel mill requirements).
Figure 1. Geology of Mt Mason.
Figure 2. Close up view of Mt Mason ore.
Figure 3
.
Mt Mason Orebody model from NE
.
Figure 4. Looking east from Mt Mason during the initial drilling campaign.
As announced to the ASX in September 06, Jupiter has discovered via mapping (500m east of Mt Mason) a 13km long haematite iron zone trending all the way to Jupiters Mt Ida iron prospect in the south. Drilling is planned once the Mt Ida licence is granted, although a portion is situated within the Mt Mason licence. This eastern zone has the potential to add 20 million tonnes to the iron ore resource.
Figure 5. This photograph shows an example of the newly discovered eastern zone which stretches for 13km from Jupiters Mt Mason to Mt Ida.
RESOURCE STATEMENT
Stage one JORC Resource Statement by Hardrock Group at Mt Mason Iron Deposit. ( D.Milton., Mt. Mason Resource Statement. 2006)
E29/495, Mt Mason Inferred Resource Estimate
Based on the a RC program of drilling testing the mapped outcrop of hematite mineralisation on E29/495, Mt Mason an Inferred Resource estimate has been completed.
The following drill holes form the basis of the resource estimate.
|
Hole Id |
Depth(m) |
Start Date |
AMG_N |
AMG_E |
AHD_RL |
Azi_AMG |
Dip |
|
MMRC101 |
51 |
28/04/06 |
6775988 |
243405 |
557 |
360 |
-90 |
|
MMRC102 |
75 |
29/04/06 |
6776018 |
243473 |
547 |
360 |
-90 |
|
MMRC103 |
48 |
29/04/06 |
6775803 |
243549 |
561 |
360 |
-90 |
|
MMRC104 |
78 |
29/04/06 |
6775931 |
243496 |
557 |
360 |
-90 |
|
MMRC105 |
63 |
30/04/06 |
6775869 |
243516 |
556 |
360 |
-90 |
|
MMRC106 |
69 |
30/04/06 |
6775914 |
243467 |
556 |
360 |
-90 |
|
MMRC107 |
51 |
1/05/06 |
6775848 |
243482 |
562 |
360 |
-90 |
|
MMRC108 |
60 |
1/05/06 |
6776144 |
243375 |
534 |
360 |
-90 |
|
MMRC109 |
48 |
2/05/06 |
6776060 |
243371 |
547 |
360 |
-90 |
Intersections widths used in the calculations based on a greater than 55% Fe cut off have been used in the calculation.
|
Hole_id |
depth_from |
depth_to |
Metres |
Al2O3 |
P |
SiO2 |
LOI |
Fe |
|
|
m |
m |
|
% |
% |
% |
% |
% |
|
MMRC101 |
4 |
5 |
1 |
3.88 |
0.05 |
13.10 |
2.29 |
55.61 |
|
MMRC101 |
6 |
10 |
4 |
0.86 |
0.0682 |
6.82 |
1.90 |
62.79 |
|
MMRC101 |
11 |
15 |
4 |
1.08 |
0.08 |
6.53 |
2.82 |
61.22 |
|
MMRC101 |
17 |
18 |
1 |
0.89 |
0.10 |
5.76 |
2.15 |
63.16 |
|
MMRC101 |
26 |
28 |
2 |
2.68 |
0.08 |
9.91 |
2.97 |
57.81 |
|
MMRC102 |
4 |
5 |
1 |
2.55 |
0.04 |
12.95 |
4.61 |
55.54 |
|
MMRC103 |
9 |
13 |
4 |
1.25 |
0.04 |
6.98 |
4.19 |
61.48 |
|
MMRC104 |
0 |
2 |
2 |
2.85 |
0.05 |
7.94 |
5.48 |
57.91 |
|
MMRC104 |
9 |
11 |
2 |
1.27 |
0.07 |
9.28 |
3.37 |
60.12 |
|
MMRC104 |
12 |
13 |
1 |
1.93 |
0.06 |
7.49 |
4.70 |
61.69 |
|
MMRC104 |
15 |
16 |
1 |
1.56 |
0.05 |
11.60 |
3.43 |
58.82 |
|
MMRC104 |
20 |
25 |
5 |
4.86 |
0.05 |
8.09 |
3.27 |
58.93 |
|
MMRC105 |
11 |
13 |
2 |
2.89 |
0.05 |