ASX RELEASE
ASX RELEASE 24th April 2014ASX code "RVY"
Board of Directors:
Geoff GilmourManaging Director
Greg CunnoldTechnical Director
Graeme ClatworthyNon-executive Director
Level 2 23 Barrack Street Perth, 6000Tel: +61 8 9221 0090
Fax: +61 8 9221 0095
ABN 86 121 985 395
Quarterly Activities Report For the Period Ending 31 March 2014 HIGHLIGHTS• High grade REE results from the first pass drilling programme at the Longonjo prospect Angola.
• The purchase of the remaining 50% of the JORC 520k oz
Miyabi Gold Project Tanzania goes unconditional.
• Mineralogy, metallurgy and petrology work commenced on Longonjo REE pulps.
• Tanzanian Commissioner of minerals confirms Illegal miners must be removed from Miyabi & Kitongo.
• Continued review of potential new Projects.
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ASX RELEASE
Projects Ozango Project, Angola (Rift Valley 70%)
High grade REE results released from the first pass drilling at Longonjo, The first prospect to be advanced in the newly acquired Ozango Project in Angola.
Highlights included:
• 4m composite assays up to 11.32% TREO
• All drill holes returned significant REE mineralisation from surface over an area 600m x 500m
• Mineralisation remains open in all directions and at depth
• Broad mineralised intercepts from surface including:
39m @ 4.48% TREO from surface
21m @ 5.33% TREO from surface
32m @ 4.94% TREO from surface
20m @ 6.75% TREO from surface
Figure 1: Drilling at Longonjo
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ASX RELEASE
The assay results pertaining to the first pass drilling programme initiated at Longonjo in January
2014 and completed during February 2014 have been returned. As previously announced (24
January 2014) the drilling aimed to test the bedrock mineralisation beneath a +0.5% REE soil anomaly some 3.5km long and 1.7km wide.(figure 4) The Rotary Air Blast (RAB) drilling was carried out to blade refusal on a nominal 100m x 100m, staggered grid pattern and has tested an area of approximately 600m x 500m. Drilling encountered significant rare earth mineralisation - in every hole (Table 1). Mineralisation remains open in every direction and at depth. A drill hole location plan illustrating the significant intersections is presented below.
Figure 2: Longonjo RAB drill hole location plan
Assay results relate to four metre composite samples compiled on site and submitted to Intertek (Walvis Bay - Namibia) for sample preparation with the resulting pulps sent to Genalysis (Perth - Australia) where analysis was carried out by way of fusion with an ICP-MS finish. The highest TREO composite result returned was 11.32%, detailed in the section below.
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Figure 3: Longonjo RAB, drill sections 857100N (looking North)
The Directors consider the initial Longonjo RAB drilling programme an unmitigated success. Whilst drilling has tested only a small portion of the soil anomaly the geochemistry has been qualified at depth with broad intersections of significant rare earth mineralisation over an area with sufficient potential to delineate substantial tonnages. The mineralisation occurs from surface and remains open in every direction as well as at depth. A 'fly through' is posted on the Rift Valley Resources website.
Link to fly through: www.riftvalleyresources.com.au
The Company considers the metallurgical assessment of Longonjo to be the next priority. To this end RVY has engaged the services of Gavin Beer, a consultant metallurgist who specialises in REE metallurgy and has worked on deposits for Arafura Resources, Peak Resources and Mkango Resources amongst others. Gavin has initiated a metallurgical characterisation test work Programme.
This work is aimed at:
1. Identifying if there is any natural size versus grade concentration that may aid ore beneficiation.
2. Assessing if magnetics may be used for the upgrading rare earth minerals.
3. Investigating the potential for gravity separation.
4. Conducting a mineralogy assessment.
The test work is scheduled to take 4 weeks, the results of which will be announced to the market as they come to hand.
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Figure 4: Previous sampling Longonjo large REE foot print
Figure 5: Longonjo Carbonatite vent, looking west from National highway
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Background Information
The Longonjo REE prospect is located within the Ozango Project, approximately 600km southeast of the Angolan capital Luanda and 50km west of the regional city of Huambo. It is located proximal to good infrastructure including roads, towns and the recently recommissioned railway which links the area to the deep water Atlantic port of Lobito.
Figure 6: Location of Ozango Project containing Longonjo REE prospect
The Ozango Project consists of a single Exploration Licence (009/01/07T.P/ANG-MGMI/2011) that covers a large area of 3,670 square kilometres. The property extends for 100 kilometres in an east- west direction and varies between 28 to 46 kilometres in width. The northeast corner of the property comes to within 17 kilometres of Huambo.
Figure 7: Ozango project showing Longonjo REE Prospect and other major targets
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The Project area covers some 3,670km2 of Archaean/Palaeoproterozoic greenstone rocks that have been intruded by Cretaceous felsic volcanics, carbonatites and kimberlites. These rocks are considered highly prospective for REE, phosphate, copper, iron ore and gold. To date, however, this area has seen very little modern exploration.
The Longonjo REE prospect is the first target within the Ozango Project to be drill tested by Rift Valley. Located near the town of Longonjo in the north-central portion of the Project area the prospect centers on a Cretaceous age, Carbonatite intrusive. The geology is typical of REE mines and prospects globally including Lynas Corp's Mt Weld deposit in Western Australia and Peak Resources' Ngualla deposit in Tanzania.
A soil geochemical sampling program undertaken at Longonjo over an area of 8km2 defined a large and robust 3.5km long and 1.7km wide +0.5% REO anomaly which remains open to the west. A follow up trenching and pitting program carried out to test the bedrock within the soil anomaly returned highly encouraging results of up to 18.9% TREO from the pit bedrock samples. The drilling program aims to test the subsurface mineralization and will also provide sufficient sample for an initial metallurgical assessment to be carried out.
The purchase of the remaining 50% of the Miyabi gold project is now unconditional; Settlement of the purchase will take place on the Transfer of the tenement licences to Carlton Miyabi Tanzania (a subsidiary of Rift Valley) Terms of the sale USD$400,000 in cash plus USD $100,000 in Rift Valley shares on a 5 day vwap on completion of the tenement transfer.
Kitongo Project, Tanzania (Rift Valley 100%)Application has been lodged for the renewal of the retention licenses RL002/2009, RL003/2009 and RL004/2009. Further discussions with the new Commissioner continue on illegal mining activity & access at Kitongo.
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ASX RELEASE
We advise in accordance with Australian Stock Exchange Limited Listing Rules 5(6) that the exploration results contained within this ASX Release is based on information compiled by Mr Greg Cunnold who is a member of the Australian Institute of Mining and Metallurgy. Mr Cunnold is a consultant of Rift Valley Resources Ltd and has consented in writing to the inclusion in this ASX Release of matter based on the information so compiled by him in the form and context in which it appears. Mr Cunnold has sufficient experience relevant to the style of mineralisation and type of deposit under consideration to be qualified as a Competent Person as defined by the
2012 Edition of the "Australian Code for reporting of Exploration Results, Mineral Resources and Ore
Reserves".
The information in this release that relates to Metallurgical Testwork is based on information compiled and / or reviewed by Mr Gavin Beer who is a Member of The Australasian Institute of Mining and Metallurgy and a Chartered Professional. Mr Beer is a Consulting Metallurgist with sufficient experience relevant to the activity which he is undertaking to be recognized as competent to compile and report such information. Mr Beer consents to the inclusion in the report of the matters based on his information in the form and context in which it appears.
For further information please contact:
Managing Director
Rift Valley Resources Limited
Tel: +61 8 9221 0090
Fax: +61 8 9221 0095 info@riftvalleyresources.com.au
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Tenement Information as at 31 March 2014Country | Project Name | License Name | License no. | % held as at 31 Dec 2013 | Disposed / acquired during quarter | % Held as at 31 March 2014 |
Tanzania | Kitongo | Mwamazengo South - Hasanet | HQ-P20825 | 100% | - | 100% |
Kitongo | Mwamazengo South | HQ-P22362 | 100% | - | 100% | |
Kitongo | Ugambilo East | HQ-P22364 | 100% | - | 100% | |
Kitongo | Kitongo West | HQ-P22428 | 100% | - | 100% | |
Kitongo | Mwamazengo SE | HQ-P22557 | 100% | - | 100% | |
Kitongo | Ugambilo East | HQ-P26791 | 100% | - | 100% | |
Kitongo | Mwamazengo South | HQ-P26792 | 100% | - | 100% | |
Kitongo | Mwamazengo South - Hasanet | PL2697 | 100% | - | 100% | |
Kitongo | Kitongo West | PL3566 | 100% | - | 100% | |
Kitongo | Mwamazengo South East | PL3616 | 100% | - | 100% | |
Kitongo | Busongo North | PL4618 | 100% | - | 100% | |
Kitongo | Ugambilo North | PL6385 | 100% | - | 100% | |
Kitongo | Kitongo West | PL6499 | 100% | - | 100% | |
Kitongo | Mwamazengo SE | PL6543 | 100% | - | 100% | |
Kitongo | Mwamazengo | PL6629 | 100% | - | 100% | |
Kitongo | Mwamazengo South | PL6631 | 100% | - | 100% | |
Kitongo | Ugambilo East | PL8441 | 100% | - | 100% | |
Kitongo | Busongo | PL8699 | 100% | - | 100% | |
Kitongo | Ugambilo RL | RL0002 | 100% | - | 100% | |
Kitongo | Kitongo RL | RL0003 | 100% | - | 100% | |
Kitongo | Mwamazengo RL | RL0004 | 100% | - | 100% | |
Tanzania | Miyabi | Miyabi South Idahina | HQ-P26826 | 50% | - | 50% |
Miyabi | Miyabi South West | HQ-P21345 | 50% | - | 50% | |
Miyabi | Miyabi North | PL4536 | 50% | - | 50% | |
Miyabi | Miyabi Mwabomba North | PL4592 | 50% | - | 50% | |
Miyabi | Miyabi Northwest | PL5115 | 50% | - | 50% | |
Miyabi | Miyabi South | PL6369 | 50% | - | 50% | |
Miyabi | Miyabi South | PL6382 | 50% | - | 50% | |
Miyabi | Miyabi Airport | PL6593 | 50% | - | 50% | |
Miyabi | Miyabi Mwabomba West | PL6752 | 50% | - | 50% | |
Miyabi | Miyabi Dyke | PL8933 | 50% | - | 50% | |
Miyabi | Miyabi Mwabomba Central | PL8934 | 50% | - | 50% | |
Tanzania | Nyang'ombe | Nyang'ombe North | HQ-P19030 | 100% | - | 100% |
Nyang'ombe | Nyang'ombe West | HQ-P20490 | 100% | - | 100% | |
Nyang'ombe | Nyang'ombe North | HQ-P22316 | 100% | - | 100% | |
Nyang'ombe | Nyang'ombe North | PL3534 | 100% | - | 100% | |
Nyang'ombe | Nyang'ombe BEAL | PL6502 | 100% | - | 100% | |
Angola | Ozango | Ozango | 009/01/07T.P/ ANG- MGMI/2011 | 70% | - | 70% |
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