Tertiary Minerals Regulatory News (TYM)

10 Mar 2005 09:27

Tertiary Minerals PLC10 March 2005 TERTIARY MINERALS PLC SECOND PHASE DRILLING AT KAARESSELKA EXTENDS HIGHER GRADE GOLD MINERALISATION AT DEPTH • Best Intersection Of 20.1g/t Gold Over 1.75m Within 8.25m Section Of 4.9g/t • Gold mineralization Considered To Be Open Laterally And In Depth • Drilling In Progress At Pitkajarvi , Geophysics Completed At Nottrask Tertiary Minerals plc ("Tertiary" or "the Company") is pleased to report theresults of a second phase of drilling at its Kaaresselka gold project inNorthern Finland. The program, carried out between November 2004 and January 2005, was designed totest the depth extent of high-grade gold mineralisation in the Vanha lode, thesouth-eastern extension of the Tienvarsi lode and high-grade near-surfacemineralisation at Lampi. Five holes were drilled for a total of 750m and a smallprogramme of trenching was carried out at Lampi. Vanha Previous drilling at Vanha intersected gold mineralisation at relatively shallowdepths (e.g. 4.9m grading 11.0 g/t gold in hole 04KD007B and 8.2m grading 6.1 g/t gold in hole R412) Four additional holes (04KD011, 04KD012, 04KD013 and 05KD002) were completed atan average 50m spacing to test for mineralisation at a vertical depth of100-150m. All holes intersected gold mineralization and significantintersections are summarised in the accompanying table. The higher-grade mineralization is narrow, but the results confirm that themineralization at Vanha is continuing, and remains open at depth over astrike-length of at least 200m. It is open both to the east and west. Alongitudinal projection illustrating drill intersections will shortly beavailable on the Company's website.(http://www.tertiaryminerals.com/projects-europe.htm). The structure hosting the mineralisation at Vanha is at least 600m long and upto 60m wide. Tienvarsi One hole, 05KD001, was drilled to test the eastern extension of the Tienvarsizone, some 165m from its known limits. A narrow interval of gold mineralizationwas found in a weathered breccia on the south side of the Tienvarsi magneticlineament. HOLE NUMBER DOWN HOLE INTERSECTED THICKNESS(m) GOLD GRADE FROM (m) TO (m) (grammes/tonne) VANHA 04KD011 163.40 166.10 2.70 3.8inc. 165.10 166.10 1.00 8.9 04KD012 113.60 114.35 0.75 3.3 04KD013 130.00 138.25 8.25 4.9inc. 136.50 138.25 1.75 20.1 05KD002 114.60 114.90 0.30 8.4 And 128.95 129.65 0.70 18.3 And 152.55 158.75 6.20 3.2inc. 152.55 154.75 2.20 7.2 And 162.10 163.00 0.90 7.5 TIENVARSI 05KD001 36.75 37.90 1.15 2.6 KAARESELKA DRILL SUMMARY - MARCH 2005 N.B. True widths estimated at approximately 50% of reported intersected widths. Lampi Trenching at Lampi targeted mineralisation in hole 04KD010 (10.3m grading 3.88g/t gold from bedrock surface beneath the glacial till). Gold mineralisation wasfound to be associated with a localised breccia with no significant strikelength. Consequently, no follow-up drilling was carried out at Lampi. The variability in grade and thickness at Kaaresselka is typical ofstructurally hosted gold mineralization where an understanding of the controlsof mineralization is critical to the success of exploration. Further evaluationof the results is now in progress. The Company is, however, encouraged by theresults obtained to-date, and by the widespread distribution of gold over anarea of 1.1km by 0.6km at KaaresselkTM?. Elsewhere in Finland, Tertiary is currently drilling at its PitkTM?jTM?rvi goldprospect in central Finland trying to discover the source of surface boulderscontaining gold and copper-cobalt mineralization. The programme will becompleted in two weeks time and results are expected by mid April. The Company has, this week, also completed an extensive programme of groundgeophysics at its NottrTM?sk project in Sweden to identify drill targets fornickel-copper and platinum group metals. Results are being interpreted, and willbe announced shortly. Further Info: Patrick Cheetham, Executive Chairman, Tertiary Minerals plc. Tel: +44 (0)1625-626203 Ron Marshman/John Greenhalgh, City of London PR Limited. Tel: +44 (0) 20-7628-5518 This information is provided by RNS The company news service from the London Stock Exchange