May 4, 2010 (Canada NewsWire Group) --
Including 62.1m averaging 0.81% TREO, 1.72% ZrO(2) with 56.0% HREO
Tasman Metals Ltd. ("Tasman" or the "Company") TSXV - TSM;Results from the first 10 holes of this 26 hole drill program at Norra Karr have demonstrated multiple intervals of REE and Zr mineralization. The current 5 holes as reported here show mineralization to persist over an 800m strike length. Grades intersected thus far range up to 1.34% TREO and 3.5% ZrO(2) and mineralized thicknesses up to 149.3m. The high proportion of high value HREO previously encountered at Norra Karr has persisted in these 5 holes, with HREO values from all 10 holes now ranging from 6.7% to 68.1% of the TREO and averaging 55.5%.
"The Norra Karr intrusion has continued to deliver strong results for Tasman, with hole NKA09010 giving the highest REE grades on the project to date, again over impressive thicknesses" said
Of the current 5 holes reported, NKA09006 lies on the central section of drilling, 80m west of the previously reported NKA09005. NKA09007, NKA09008 and NKA09009 are spaced 80m apart on the section 400m north, and NKA09010 the first of 5 holes that lies on the section 400m south.
The best results returned from holes 6 to 10, calculated using a lower cut-off of 0.2% TREO are:
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TREO HREO ZrO(2)
DRILL HOLE FROM TO LENGTH (%) (%) (%)
NKA00906 75.5 *150.4 74.9 m 0.48 60.4 1.82
including 110.5 *150.4 39.1 m 0.62 58.3 1.87
*mineralized to end of hole
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NKA00907 42.4 102.0 56.9 m 0.35 64.6 1.94
including 88.3 96.3 8.0 m 0.49 66.5 2.23
106.2 *149.3 43.1 m 0.27 63.7 1.42
*mineralized to end of hole
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NKA00908 3.1 22.4 19.0 m 0.29 63.7 1.80
28.4 52.9 25.0 m 0.33 63.2 1.81
64.5 98.6 34.0 m 0.26 65.0 1.42
113.0 139.7 27.0 m 0.28 61.3 1.17
-------------------------------------------------------------------------
NKA00909 22.4 44.7 22.0 m 0.25 63.6 1.27
-------------------------------------------------------------------------
NKA00910 4.4 66.5 62.1 m 0.81 56.0 1.72
-------------------------------------------------------------------------
>>
Previously reported drill holes, here with 0.2% TREO cut off
<<
TREO HREO ZrO(2)
DRILL HOLE FROM TO LENGTH (%) (%) (%)
NKA00901 0.8 40.6 39.8 m 0.34 56.2 1.36
including 33.9 38.8 4.9 m 0.59 39.9 1.20
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NKA00902 0.5 113.6 113.1 m 0.42 57.6 1.57
including 0.5 23.5 23.0 m 0.57 50.8 1.96
including 35.5 45.5 10.0 m 0.79 57.9 2.03
-------------------------------------------------------------------------
NKA00903 3.0 *146.1 143.1 m 0.47 49.5 1.38
including 16.6 95.4 78.8 m 0.56 45.0 1.59
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NKA00904 2.5 *151.8 149.3 m 0.61 45.8 1.69
*mineralized to end of hole
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NKA00905 8.45 *152.1 149.3 m 0.65 55.7 2.10
including 43.3 152.1 108.1 m 0.74 52.9 2.10
*mineralized to end of hole
-------------------------------------------------------------------------
>>
Mineralization occurs within the Norra Karr peralkaline nepheline syenite intrusion, which covers 350m x 1100m, first discovered in 1906, and subsequently test mined for nepheline, Zr and Hf. Better grades of mineralization in drilling appear associated with partially melted or pegmatitic intervals within the intrusion. REE bearing minerals include eudialyte, catapleite, britholite, rosenbuschite, fergusonite and mosandrite. The project shows geological similarity to REE/Zr/Niobium (Nb) mines of the Lovozero province (
Tasman recently engaged REE expert Dr
Norra Karr is located in southern
For more information regarding rare earth elements, see the Rare Metal Blog at www.raremetalblog.com or Resource Stock Digest at http://strategicmetalstocks.resourcestockdigest.com/.
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On behalf of the Board,
"Mark Saxon"
-----------------------
Mark Saxon, President & CEO
>>
Samples submitted by Tasman Metals Ltd were analyzed by the ME-MS81 technique by ALS Chemex Ltd's laboratories in Pitea,
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