Blackham Resources Limited (ASX:BLK) Proves Up Billion Tonne Coalfield At Scaddan Project
Perth, June 22, 2011 AEST (ABN Newswire) - Australian energy company, Blackham Resources Limited (Blackham) (
ASX:BLK) is pleased to announce a significant increase in the coal resource at its Scaddan Energy Project in Western Australia. Scaddan and Zanthus combined resources now contains over 10,000 petajoules (PJ) of energy and has the potential to produce approximately 860 million barrels of oil equivalent, consisting mainly of a clean diesel product.
- Scaddan coal resource greater than 1 billion tonnes
- Confidence in the resource has increased significantly with 570 million tonnes (55%) of the Scaddan resource in the Measured and Indicated categories.
- Scaddan West deposit remains open to the north.
- Infill and exploration drilling of Scaddan East inventory coal planned
- Resource to be used in further mining and processing studies.
- The current combined resources equate to approximately 40 years worth of potential feedstock based upon a 60,000 barrel per day CTL facility
The latest assessment has been provided by internationally respected consulting company Runge Limited (Runge), which was engaged to review the borehole data for the Scaddan coal deposit and revise the resource statement in accordance with the JORC reporting standards.
Blackham is evaluating the development of the Scaddan and Zanthus Energy Projects into Australia's premier coal to liquid (CTL) facility. The combined Scaddan and Zanthus Energy Projects near Esperance, Western Australia have 1.4 billion tonnes of coal containing 10,600 PJ of energy at shallow depth. The Scaddan Energy Project is surrounded by complimentary infrastructure approximately 60 kilometres north of the town and major port of Esperance and 10 kilometres east of the Esperance to Kalgoorlie highway, gas pipeline and railway line.
Blackham and its JV participant's landholdings in the Esperance region are in excess of 1,700 square kilometres.
Total Coal Resources
Blackham currently manages a combined coal resource of 1.4 billion tonnes estimated in accordance with the JORC Code. Blackham's attributable resource, taking into account the 70% interest in the Scaddan Energy Joint Venture, 100% owned Scaddan and Zanthus tenure is 1.1 billion tonnes of coal.
The Scaddan Energy JV is between Scaddan Energy Pty Ltd (a 100% owned subsidiary of the Company) and Wesfarmers Resources Limited (a 100% owned subsidiary of Wesfarmers Ltd (ASX:WES)) who have 70% and 30% contributing interests, respectively.
Scaddan Coal Resource
Both historical and recent borehole data at Scaddan was reviewed by Runge to calculate the resources contained within the tenements. The data from the drill programme completed in December 2010 has now been included in the reported resource estimates.
The resource estimate in Table 1 (see link at the bottom of the release) is reported on a 56% moisture basis and an approximate relative density of 1.2. No thickness or quality cut-offs were applied to the Resource Estimate due to the lignite having reasonable prospects for eventual economic extraction as outlined in the Australian "Guidelines for Estimating and Reporting of Inventory Coal, Coal Resources and Coal Reserves".
Exploration drilling, to define the Scaddan lignite deposit is based upon the historical drill holes and recent drilling programmes over the last three years. It includes a total of 1,547 boreholes, 311 of which cored, and 1,236 drilled as open holes.
The Scaddan West coal seam now extends over 35 kilometres in length, is still open to the north and is up to five kilometres wide in places. The main control on the thickness of lignite is the basement topography, with thick zones in areas of topographic lows, and thin or absent zones around topographic highs. Thickness in the Scaddan West area varies from up to 19m, thinning rapidly at the edges of the body and around topographic highs. The main seam LGA averages 7.5 metres in thickness and contains 87% of the total coal resource.
The estimate of inventory coal at Scaddan was also revised by Runge based upon the drill hole data to total an additional 200 to 320 million tonnes. Drilling of several quality holes of a spacing of no more than 2,000m should readily convert most of the inventory area to an Inferred Resource as there is reasonable confidence in the structural continuity of the lignite from previous drill holes. However the inventory coal tonnage and quality is conceptual in nature and has not had sufficient exploration to define a mineral resource and uncertainty still exists as to whether further exploration will result in the determination of a mineral resource.
Diamond cored holes, sonic and air core holes with valid analysis were used to calculate the average lignite analysis of the resources in Table 3 (see link at the bottom of the release).
Potential Oil Production
The Scaddan and Zanthus Energy Projects have a combined lignite resource of 1.4 billion tonnes estimated in accordance with the JORC Code. Blackham's attributable resource, taking into account the 70% interest in the Scaddan Energy JV and the 100% owned tenure and Scaddan and Zanthus is 1.1 billion tonnes of lignite.
The Scaddan and Zanthus Projects contain 1.4 billion tonnes of lignite containing over 10,600 PJ of energy and potential for 860 million barrels of oil equivalent mostly in the form of clean diesel.
There is also additional production potential from the existing inventory coal which is currently estimated at 0.66 to 1.08 billion tonnes of lignite at the Scaddan and Zanthus projects.
Commenting on the resource upgrade, Blackham's Managing Director, Bryan Dixon said "The increase in the scale of the coal resource at Scaddan is a significant milestone for the Company as the resource is now sufficient to maintain a 60,000 barrel per day CTL facility giving it very significant capacity on a world scale."
Blackham recently completed Phase 1 of its Preliminary Process Study (PPS). The second phase of the PPS is now underway and is designed to prepare an overall mass and energy balances, yields and materials usages for each of the gasifier technologies to be assessed for use in the CTL facility.
For the complete Blackham Resources Limited announcement including tables and maps, please refer to the following link:
http://www.abnnewswire.net/media/en/docs/68037-ASX-BLK-546117.pdf
About Wiluna Mining Corporation Ltd
Wiluna Mining Corporation (ASX:WMC) (OTCMKTS:WMXCF) is a Perth based, ASX listed gold mining company that controls over 1,600 square kilometres of the Yilgarn Craton in the Northern Goldfields of WA. The Yilgarn Craton has a historic and current gold endowment of over 380 million ounces, making it one of most prolific gold regions in the world. The Company owns 100% of the Wiluna Gold Operation which has a defined resource of 8.04M oz at 1.67 g/t au. In May 2019, a new highly skilled management team took control of the Company with a clear plan to leverage the Wiluna Gold Operation's multi-million-ounce potential.
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