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Increase in contained Tungsten Metal at RHA

1 May 2014 12:21

RNS Number : 0740G
Premier African Minerals Limited
01 May 2014
 



Premier African Minerals Limited / Ticker: PREM / Index: AIM / Sector: Mining

For immediate release

1 May 2014

Premier African Minerals Limited

("Premier" or the "Company")

Significant increase in contained Tungsten Metal at RHA

 

Highlights

· Resource tonnage increased by 152% to 2.73 million tonnes at composite grade of 8.7kg/t WO3

· Measured and Indicated increased by 957% to 1.55 million tonnes at composite grade of 8.0 kg/t WO3

1.2million tonnes at a composite grade of 9.7kg/t WO3 in the Inferred category

· The new resource has further defined the ore body and has described a new mineralised Lode 1 system that is expected to significantly increase the open pit component of the mine plan

· Revision and updating of the mining study and work has already commenced. Details of the Resource Statement are set out below

· Further discussions with off-take partners intended to reach a formal agreement

 

Premier African Minerals Limited, the AIM-traded, multi-commodity natural resource company with mineral projects located in Western and Southern Africa, is pleased to announce a SAMREC compliant substantial increase in both the size and the confidence of the Resource at RHA Tungsten Project ("RHA") in Zimbabwe, in which Premier is the operator and holds a 49 per cent interest. Our previous Resource totalled 1.24m tonne of which the Inferred Resource graded 8.70kg/t and the Indicated Resource 4.68kg/t. The completion of the metallurgical and mineralogical test-work (see announcement dated 28 March 2014) together with our new Resource Statement allows for the revision and updating of our mining study and work has already commenced. Details of the Resource Statement are set out below.

 

At the same time Premier is engaged in substantial negotiations on a number of fronts related to RHA. These include:

· Further discussions with off-take partners intended to reach a formal agreement.

· Potential debt finance providers who have indicated a willingness to invest in Zimbabwe.

 

George Roach, CEO commented that:

"This resource upgrade, coupled to completion of the mineralogical and metallurgical studies, deals with the main requirements identified in our mining study. We look forward with confidence to finalisation of the updated study and, subject to finance, the commencement of mine construction."

The results of the drill programme (see announcement dated 13 and 28 March 2014) has allowed for the recognition of a new Lode system (Lode1) and a more detailed remodelling of the previously reported mineralised Lode (Lode 2A & 2B). Geological interpretation and grade continuity has allowed for a revision of the naming of the Lodes, as below. The geological continuity of the previously named, Lode 2A and 2B has been confirmed and has increased the surface strike length of the mineralisation to approximately 700m. Significantly, all mineralised Lodes are open along strike to the west and east, and at depth.

Previous Lode

New Lode name

Description

Lode 2A

Lode 2W

Lode 2 West

Lode 2 System

Lode 2HW

Lode 2 Hanging wall West

Lode 2B

Lode 2E

Lode 2 East

Lode 2HE

Lode 2 Hanging wall East

New Lodes

Lode 1W

Lode 1 West

Lode 1 System

Lode 1E

Lode 1East

Lode 1FW

Lode 1 Footwall West

Lode 1FE

Lode 1 Footwall East

The updated Mineral Resource Estimate is tabulated in Tables 1 & 2 below:

 

Table 1: Summary Resource Table

 

LODE SYSTEM

CATEGORY

TONNES

GRADE (kg/t) WO3

Lode 1

Measured

Indicated

592,106

11.5

Inferred

744,789

9.5

Sub-Total:

1,336,894

10.3

Lode 2

Measured

320,032

6.5

Indicated

641,799

5.5

Inferred

431,572

10.0

Sub-Total:

1,393,402

7.1

Lode 1 +2

Grand Total

2,730,296

8.7

 

 

 

TABLE 2:

RESOURCES BY LODE

TONNES

GRADE WO3 (kg/t)

IN-SITU TONNES WO3

TONNES

GRADE WO3 (kg/t)

IN-SITU TONNES WO3

LODE 1W

MEASURED

7,721.5

LODE 1E

MEASURED

2,484.3

INDICATED

352,346.2

14.4

INDICATED

INFERRED

196,071.9

13.4

INFERRED

325,012.8

7.6

TOTAL:

548,418.1

14.1

TOTAL:

325,012.8

7.6

TONNES

GRADE WO3 (kg/t)

IN-SITU TONNES WO3

TONNES

GRADE WO3 (kg/t)

IN-SITU TONNES WO3

LODE 1FW

MEASURED

2,220.8

LODE 1FE

MEASURED

1,399.2

INDICATED

239,759.7

7.1

INDICATED

INFERRED

68,612.5

7.7

INFERRED

155,091.3

9.0

TOTAL:

308,372.2

7.2

TOTAL:

155,091.3

9.0

TONNES

GRADE WO3 (kg/t)

IN-SITU TONNES WO3

TONNES

GRADE WO3 (kg/t)

IN-SITU TONNES WO3

LODE 2HW

MEASURED

113,607.7

7.9

3,012.4

LODE 2HE

MEASURED

993.7

INDICATED

247,284.1

6.6

INDICATED

INFERRED

78,675.6

6.1

INFERRED

89,548.3

11.1

TOTAL:

439,567.4

6.9

TOTAL:

89,548.3

11.1

TONNES

GRADE WO3 (kg/t)

IN-SITU TONNES WO3

TONNES

GRADE WO3 (kg/t)

IN-SITU TONNES WO3

LODE 2W

MEASURED

206,424.2

5.8

3,167.4

LODE 2E

MEASURED

2,758.9

INDICATED

394,514.4

4.8

INDICATED

INFERRED

24,060.5

4.0

INFERRED

239,287.2

11.5

TOTAL:

624,999.1

5.1

TOTAL:

239,287.2

11.5

Note: Rounding of numbers may cause columns to not add correctly

 

 

 

 

Qualified Person

The technical information contained in this announcement has been prepared and reviewed by Bruce Cumming. Mr. Cumming holds a Bachelor of Science (Honours) in Geology from the University of Cape Town and is accredited to the South African Counsel for Natural Scientific Professionals (SACNASP). Mr. Cumming has sufficient geological experience (over 35 years) and is satisfied with the accuracy and precision of this announcement.

For further information please visit www.premierafricanminerals.com or contact the following:

Pamela Hueston

 

Premier African Minerals Limited

 

Tel: +44 (0) 755 778 3855

 

Michael Cornish / Roland Cornish

Beaumont Cornish Limited

(Nominated Adviser)

Tel: +44 (0) 207 628 3396

Jerry Keen/Edward Mansfield

Shore Capital Stockbrokers Limited

Tel: +44 (0) 207 408 4090

Tim Blythe/ Halimah Hussain

Blytheweigh

Tel: +44 (0) 207 138 3204

 

 

Notes

Premier African Minerals Limited (AIM: PREM) is a multi-commodity exploration and development company focused in Southern and West Africa. As well as its 42 percent shareholding in TSX-Venture quoted AgriMinco (see www.agriminco.com), the Company has a diverse portfolio of multi-commodity projects which includes tungsten, rare earth elements, gold, lithium, tantalum and uranium in Zimbabwe and Togo, which span from brownfield projects with near-term production potential to grass-roots exploration.

 

Glossary of Technical Terms

"Composites" are weighted averages where applicable.

"Footwall" is the mass of rock below a mineral deposit

"Hanging Wall" is the mass of rock above the mineral deposit

"kg/t" abbreviation for kilogramme per tonne.

"Mineral resource" is a concentration or occurrence of diamonds, natural solid inorganic material or natural fossilized organic material including base and precious metals, coal, and industrial minerals in or on the Earth's crust in such form and quantity and of such a grade or quality that it has reasonable prospects for economic extraction. The location, quantity, grade, geological characteristics and continuity of a mineral resource are known, estimated or interpreted from specific geological evidence and knowledge.

 

"Measured mineral resource" is that part of a mineral resource for which quantity, grade or quality, densities, shape, and physical characteristics are so well established that they can be estimated with confidence sufficient to allow the appropriate application of technical and economic parameters, to support production planning and evaluation of the economic viability of the deposit. The estimate is based on detailed and reliable exploration, sampling and testing information gathered through appropriate techniques from locations such as outcrops, trenches, pits, workings and drill holes that are spaced closely enough to confirm both geological and grade continuity.

 "Indicated Resource" is that part of a Mineral Resource for which tonnage, densities, shape, physical characteristics, grade and mineral content can be estimated with a reasonable level of confidence. It is based on exploration, sampling and testing information gathered through appropriate techniques from locations such as outcrops, trenches, pits, workings and drill holes. The locations are too widely or inappropriately spaced to confirm geological and/or grade continuity but are spaced closely enough for continuity to be assumed.

 "Inferred Resource" is that part of a Mineral Resource for which tonnage, grade and mineral content can be estimated with a low level of confidence. It is inferred from geological evidence and sampling and assumed but not verified geological and/or grade continuity. It is based on information gathered through appropriate techniques from locations such as outcrops, trenches, pits, workings and drill holes that may be limited or of uncertain quality and reliability.

 "(Fe,Mn) WO4" is a chemical composition of wolframite.

 "Mineralisation" is the presence of a target mineral in a mass of host rock.

 "Tungsten" is a metallic element known as wolfram with a symbol of W and an atomic number of 74.

 "Veins" are a tabular or sheet like body of one or more minerals deposited in openings of fissures, joints or faults, frequently with associated replacement of the host rock.

"Wolframite" is the mineral name for iron-manganese tungstate; (Fe,Mn)WO4, an ore of tungsten. The ratio of iron to manganese varies; iron-rich wolframite is known as ferberite FeWO4, manganese-rich wolframite is known as hubnerite MnWO4.

"WO3" is tungsten oxide.

 

 

ENDS

 

This information is provided by RNS
The company news service from the London Stock Exchange
 
END
 
 
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