Linear Metals Corporation
TSX : LRM

Linear Metals Corporation

December 01, 2009 09:17 ET

New High Grade Drill Results Announced From Linear Metals' Seymour Lake Lithium-Tantalum-Beryllium Project

HALIFAX, NOVA SCOTIA--(Marketwire - Dec. 1, 2009) - Linear Metals Corporation (TSX:LRM) is pleased to announce initial diamond drill results from its 100% owned, Seymour Lake Lithium/Tantalum/Beryllium Project, located to the north of Lake Nipigon, near Armstrong, in north-western Ontario. The project has recently been reactivated in response to rising demand for elements such as lithium, tantalum, and beryllium.

Highlights:

The results of the first three drill holes of the 20 hole, 2,362 metre drill program completed during the fall of 2009 include:

  • SL-09-33: 24.65 metres of 1.669% Li2O and 0.046% BeO(1),
    • including 7.22 metres of 2.877% Li2O;
    • and 8.00 metres of 1.948% Li2O;
  • SL-09-34: 6.00 metres of 0.867% Li2O and 2.54 metres of 0.064% BeO;
  • SL-09-46: 8.67 metres of 1.015% Li2O and 5.45 metres of 0.105% BeO

These three drill holes, all located within or near the North Aubry Zone, have demonstrated significant increases in the thickness and/or width of the mineralized pegmatite sill(s), at or near-surface and further support a geological model comprised of multiple stacked pegmatite horizons. Importantly, SL-09-33 represents the thickest and one of the highest grade lithium-pegmatite intersections drilled to date on the property, while the locations of SL-09-34 and SL-09-46 have nearly tripled the previously known down-dip extent of the Main Horizon sill, from approximately 100 metres to approximately 275 metres. SL-09-46 also demonstrates that there can be significant positive fluctuations in the thickness of the Main Horizon sill along its down-dip extent. Furthermore, all holes intersected significant beryllium-bearing zones, increasing the potential for by-product credits.

A map of all drill hole locations is available on the Linear Metals website at www.linearmetals.com. All holes were drilled vertically.

Summary of Results

Hole SL-09-33 was designed to complete the intersection of the Main Horizon previously, but only partially, tested by SL-02-08, which was lost at 30 metres, after coring through pegmatite from 13.6 metres depth, and returning 16.4 metres of 0.830% Li2O. SL-09-33 was also designed to test for extensions of the Lower and Deep Horizons in the pegmatite system, but found that the Main and Lower Horizons are merged into one thicker composite sill, creating an overall body with two spodumene-enriched "core" zones of 7.22 metres of 2.877% Li2O and 8.00 metres of 1.948% Li2O, as shown in the table below. Overall, the composite zones returned 26.13 metres of 1.584% Li2O, 0.403% Rb2O(2) and 0.046% BeO over the entire width of the pegmatite, a significant increase over the previous lithium grade and width in SL-02-08.

The hole also intersected the Deep Horizon from 90.2 to 93.5 metres, and an additional new but narrow pegmatite from 105.3 to 106.4 metres. The Deep Horizon returned 0.936% Li2O, 0.063% BeO and 0.038% Ta2O5(1) over its width of 3.3 metres, while the new horizon, possibly a feeder dyke, based on steeper core angles, returned 1.176% Li2O and 0.070% BeO over 1.1 metres. These deep intersections further support a geological model of multiple stacked horizons in the pegmatite system. These horizons may extend further to the west, where very little drilling has been completed to date.

SL-09-33 has further demonstrated that lithium mineralization of superior grade occurs at or near surface in the North Aubry zone, and adds to the excellent lithium mineralization intersected in the 2002 drilling program.

Hole SL-09-34 was a significant step-out hole, located approximately 175 metres east of any previous drilling on Section 9925N, and tested one of the many Enzyme Leach lithium soil anomalies on the property. Drill hole mineralization had previously been tested over a down-dip width of approximately 100 metres. The hole intersected the Main Horizon from 86.3 to 97.5 metres downhole, returning a moderate composite grade of 0.550% Li2O and 0.479% Rb2O over 11.2 metres, including 6.0 metres at 0.867% Li2O in the central part of the pegmatite sill. Additionally, significant beryllium values were intersected at the bottom contact, returning 0.064% BeO over the basal 2.54 metres of the sill. The hole was shutdown at 164 metres without intersecting the Lower or Deep Horizons, which unless occurring at greater depths, may be limited to the western part of the North Aubry Zone.

Hole SL-09-46 was collared 105 metres to the east of previous holes on Section 9950N, on the southern extension of the same lithium in soil anomaly as SL-09-34, intersecting a thicker interval of pegmatite, likely composed of merged Main and Lower Horizons, similar to SL-09-33 (again, based on its similar internal double zonation). Overall, this returned a moderate but significant grade of 0.710% Li2O and 0.302% Rb2O over 17.6 metres, including 1.015% Li2O over 8.7 metres in the Lower Horizon subzone, with a very strong basal contact zone of beryllium mineralization that runs 0.105% BeO over 5.45 metres. The hole was shutdown at 150 metres without intersecting the Deep Horizon.

SL-09-34 and SL-09-46 have established significant lateral continuity to the North Aubry, on the Main Horizon, in the easterly down-dip direction, and still at relatively shallow depths. Although the lithium grades may be decreasing towards the east (as predicted by pegmatite fractionation models), other zones of significant mineralization, such as BeO, may be developing, especially as seen in SL-09-46. This is also predicted by pegmatite fractionation models where elements such as Ta and Be may be concentrated in pegmatite zones "inboard" (i.e. towards the parental felsic intrusion) of the lithium zone.

Table 1. North Aubrey Zone – Initial 2009 Drill Results

HoleHorizonFromToWidthLi2O%
SL-09-33Main/Lower14.4040.5326.131.584
incl. 15.8840.5324.651.669
incl. 15.8823.107.222.877
incl. 31.0039.008.001.948
andDeep90.293.53.30.936
andDyke105.3106.41.11.176
      
SL-09-34Main86.3297.5411.220.550
incl. 91.0097.006.000.867
      
SL-09-46Main/Lower60.8278.4517.630.710
incl. 68.3377.008.671.015

(1) BeO and Ta2O5 values greater than approximately 0.04% are assumed to be recoverable based on comparison to metal oxide grades in known rare metal deposits such as Tanco's Bernic Lake mine or Talison Minerals' Greenbushes mine, but are not supported by specific metallurgical testing on samples from the Aubry Zones. These values are currently shown in the text of the press release for reference only, to indicate potentially recoverable by-product credits in an eventual development scenario.
(2) Rb2O values are reported in the text of the release for reference purposes only, because as note (1) above, no metallurgical work has been undertaken to quantify what ultimately may be recoverable values of rubidium, or any other potential by-product credits such as gallium.

Other Mineralization and Location Infrastructure

Significantly, beyond lithium (Li), rubidium (Rb) and beryllium (Be), all three holes also show significant bulk-enrichment of tin (Sn), gallium (Ga), niobium (Nb), tantalum (Ta), cesium (Cs), and thallium (Tl), indicating potential for the pegmatites to host potentially high grade zones of these elements, such as the previously reported high-grade tantalum-beryllium zone roughly defined by SL-02-15, -28, and -31 (during the 2002 program, samples were only assayed for Li, Ta, Nb, Be, Rb, and Cs). In holes SL-09-33, SL-09-34, and SL-09-46, although individual samples returned Ta2O5 values as much as 0.050% and 0.098%, no significant zones of substantial thickness were delineated.

Pegmatite experts who have previously visited the property suggest that tightly-spaced drilling and/or bulk sampling will be required to establish true beryllium and tantalum grades given the often "nuggety" nature of large beryl and especially tantalite crystals. Hole A-8, for example, drilled by Anaconda in 1957, and located at roughly the same collar location as SL-09-33, returned a reported 0.35% BeO over 17.22 metres, while hole A-1, located approximately 15 metres south of DL-09-33, returned a reported 0.51% BeO over 16.15 metres. Conversely, Li2O grades in these older holes are actually fairly similar to the recent drill holes (1.57% and 1.34% respectively).

The Seymour Lake Project benefits from excellent location and infrastructure. The project is located 40 kilometres east of Armstrong, Ontario, accessible by an all-weather logging road, and only 10 kilometres by road from the main CN rail line at Ferland Station, where there are several rail sidings. Approximately nine kilometres to the east of the Aubrey zones, Ontario Hydro is currently developing its Little Jackfish River hydroelectric development project, scheduled for completion in late 2013 or early 2014.

The initial 2009 drill results indicate there are open, sizeable, stacked and high-grade lithium (and beryllium) zones at the North Aubry showing. Furthermore, the positive drill testing of a small portion of the 2008 Enzyme Leach soil anomalies indicates there is excellent potential for additional pegmatites to be discovered on the Seymour Lake property.

Brian MacEachen, Linear Metals President & CEO, states, "The additional high grade lithium intervals identified in the current drill program, as well as the large size potential indicated by the step-out drilling, is very encouraging for the advancement of the Seymour Lake project. We are also pleased to see the development of mineralized zones of additional by-product elements such as beryllium, which significantly enhances the contained mineral value of the lithium zones."

Analyses for lithium and all other elements were carried out on sawed half core at Activation Laboratories, in Ancaster, Ontario. Samples are crushed to 90% passing 2 mm, digested using sodium peroxide fusion, and followed by ICP or ICP-MS analysis, which for lithium has a 3 ppm lower detection limit Standard QA/QC techniques, including the submission of company blanks, duplicates, and "ore-grade" lithium-tantalum-beryllium standards, are used to monitor the analytical results.

This press release was prepared under the supervision of Matthew Ian Rees, P.Geo., VP Exploration for Linear Metals, who is a Qualified Person as defined under National Instrument 43-101. Mr. Rees has reviewed the scientific and technical information in this press release.

Forward-Looking Information:

This release includes certain statements that may be deemed "forward-looking statements". All statements in this release, other than statements of historical facts, that address future production, reserve potential, continuity of mineralization, exploration drilling, exploitation activities and events or developments that the Company expects are forward-looking statements. Although the Company believes that the expectations expressed in such forward-looking statements are based on reasonable assumptions, such statements are not guarantees of future performance and actual results or developments may differ materially from those in the forward-looking statements. The likelihood of future mining at Seymour Lake is subject to a large number of risks and will require achievement of a number of technical, economic and legal objectives, including obtaining necessary mining and construction permits, completion of pre-feasibility and final feasibility studies, preparation of all necessary engineering for pits and processing facilities as well as receipt of significant additional financing to fund these objectives, as well as funding mine construction. Such funding may not be available to the Company on acceptable terms or on any terms at all. There is no known ore at Seymour Lake and there is no assurance that the mineralization at Seymour Lake will ever be classified as ore. For more information on the Company and the risk factors inherent in its business, investors should review the Company's Annual Information Form at www.sedar.com.

The TSX Exchange has not reviewed and does not accept responsibility for the adequacy or accuracy of this release.

Contact Information

  • Linear Metals Corporation
    Brian MacEachen
    President and Chief Executive Officer
    (902) 482-1240
    www.linearmetals.com