HLM Confirms High-Grade and Continuity of Rare Metals Mineralization with Remaining Holes from Phase I Drilling on the PAK Rare Metals Project, Ontario
Highlights:
* Diamond Drill Hole (DDH) PL-13-003 intersected 4.22% Li2O over 18 metre (m) from 36 to 54 m;
* DDH PL-13-005 includes a 19.10 m wide high-grade tantalum zone averaging 236 ppm Ta205 from 125 to 144.1 m;
* The Pakeagama Lake pegmatite, after drilling Phase I, has a 250 m strike length with an estimated width varying from 45 to 125 m assuming sub-vertical orientation of the pegmatite body;
* The pegmatite remains open in all directions (WNW, ESE and at depth), and;
* The rare cesium mineral pollucite commonly occurs as rounded-blebs and small masses ranging in size from 10 to 30 mm within the pegmatite's central intermediate zone.
Sudbury, Ontario, August 07, 2013 /FSC/ - Houston Lake Mining Inc. (TSX.V: HLM), is a mining exploration company that is specialized in rare metals and is actively exploring for lithium (Li), tantalum (Ta), rubidium (Rb) and cesium (Cs) by focusing on its high-grade, 100% owned and optioned 2,816 hectare (6,958 acre) PAK Rare Metals Project in northwestern Ontario, Canada. HLM is pleased to announce the results of remaining five (5) drill holes from the Phase I, six-hole diamond drill program on the Pakeagama Lake pegmatite.
On July 2 2013, HLM reported a 154 m intersection of Li, Ta and Rb mineralization on the first hole drilled this past winter. The additional 5 holes have confirmed continuity of the zones along strike of the intersection and beneath the surface outcrops, and also defined bounding contacts with host rock(s). Table I below summarizes the lithium, cesium, tantalum and rubidium grades for the five drill holes by mineralogical zones for the pegmatite intersections. Also included are the results for DDH PL-13-001 as reported on July 2 complete with the addition of its cesium grades.
Table I - Core Length/Drill-Hole Intercepts (Pakeagama Lake pegmatite)
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DDH PL-13-001 Designed to test extent of pegmatite zonation beneath
the enriched UIZ/CIZ zones on surface near channel
cuts 1 to 7
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Zone Width Li2O Cs2O Ta2O5 Nb2O5 SnO2 Rb2O Geology
(m) (%) (%) (ppm) (ppm) (ppm) (%)
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Total Pegmatite
38.0 - 192.55 m 154.55 1.22 0.064 111 64 137 0.41 LIZ/UIZ
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Tantalum, Rubidium and Cesium enriched zones
38.5-97.0 m 58.50 n/a 0.073 121 65 175 0.55 WZ+CIZ
including
38.5 ? 44.0 m 5.50 n/a 0.061 241 79 258 0.26 WZ
including
44.0 ? 97.0 m 53.00 n/a 0.075 108 63 166 0.58
including
72.7 ? 97.0 m 24.30 n/a 0.059 149 100 125 0.54 CIZ
including
76.0 ? 82.0 m 6.00 n/a 0.040 206 142 121 0.25
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Lithium & Rubidium enriched zones:
97.0 - 192.55 m 95.55 1.62 0.059 105 64 113 0.32 UIZ+LIZ
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Lithium enriched zone:
120.0 - 132.0 m 12.00 2.93 0.058 108 50 34 0.24 UIZ
including
127.0 ? 132.0 m 5.00 4.01 0.058 131 45 27 0.10
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Lithium & Rubidium enriched zones:
120.0 - 192.55 m 72.55 1.96 0.054 106 69 128 0.33 LIZ+UIZ
including
132.0 ? 192.55 60.55 1.76 0.054 106 72 146 0.35
including
120.0 ? 183.0 m 64.00 2.05 0.060 105 66 104 0.35
including
120.0 ? 155.0 m 35.00 2.44 0.071 105 42 81 0.37
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DDH PL-13-002 Designed to test Cs potential under pollucite-bearing
aplite dyke at surface and to define western margin
of pegmatite. First of 2 holes along with DDH PL-13-004,
drilled to cross-section the pegmatite. Toe of hole was
in pegmatite.
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Zone Width Li2O Cs2O Ta2O5 Nb2O5 SnO2 Rb2O Geology
(m) (%) (%) (ppm) (ppm) (ppm) (%)
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Pegmatite/Aplite Dyke near surface (Tantalum enriched)
5.0 - 17.5 m 12.50 0.10 0.025 132 59 32 0.06 Pegmatite
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Rubidium and Tantalum enriched zones
174.0 - 191.0 m 17.00 0.86 0.044 134 95 115 0.36 LIZ/Aplite
including
174.0 ? 185 m 11.00 0.88 0.053 130 82 157 0.51 LIZ
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DDH PL-13-003 Designed to define zonation and to test the economic
potential at the WNW extent of the exposed pegmatite
in the vicinity of channel cuts 14 to 17.
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Zone Width Li2O Cs2O Ta2O5 Nb2O5 SnO2 Rb2O Geology
(m) (%) (%) (ppm) (ppm) (ppm) (%)
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Total Pegmatite
21.0 - 84.05 m * 63.05 2.53 0.044 83 58 66 0.22 WZ/CIZ/LIZ/IIZ
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Tantalum, Rubidium and Cesium enriched zones
including
21.0 ? 32.0 m 11.00 n/a 0.097 169 75 163 0.45 WZ/CIZ/LIZ
including
21.0 ? 27.0 m 6.00 n/a 0.123 209 91 207 0.57 CIZ/LIZ
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Lithium enriched zones
including
27.0 ? 83.0 m 56.00 2.61 0.035 70 53 51 0.18 LIZ/UIZ
including
36.0 ? 54.0 m 18.00 4.22 0.040 41 20 21 0.06 UIZ
including
54.0 ? 84.05 m 30.05 1.67 0.026 74 60 59 0.23 LIZ
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* Zone includes 1.8 m of metasediments not sampled but included as
dilution.
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DDH PL-13-004 Along with DDH PL-13-002, the hole layout was designed
to define the pegmatite zonation and contacts in
the central part of the known pegmatite by
cross-sectioning the pegmatite.
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Zone Width Li2O Cs2O Ta2O5 Nb2O5 SnO2 Rb2O Geology
(m) (%) (%) (ppm) (ppm) (ppm) (%)
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Total Pegmatite zone including granitic sheets/rafts
14.2 - 130.7 m ** 115.80 0.92 0.025 56 35 47 0.19 WZ/UIZ/CIZ/LIZ/Aplite /Granite
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Lithium enriched zones
70.30 91.3m 21.00 2.74 0.040 85 44 69 0.19 UIZ/LIZ/WZ
including
70.3 ? 85.0 m 14.70 3.43 0.035 59 35 65 0.16 UIZ
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Rubidium enriched zones
including
55.0 ? 60.55 m 5.55 1.52 0.064 80 47 74 0.42 LIZ
including
120.0 ? 130.7 m 10.70 1.82 0.023 68 60 70 0.33 LIZ
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Tantalum and Rubidium enriched zones
including
14.2 ? 22.0 m 7.80 n/a 0.072 107 77 84 0.73 CIZ
including
30.4 ? 39.0 m 8.60 n/a 0.036 212 131 192 0.25 CIZ/Aplite
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** Zone includes 27.25 m of granite not sampled but included as dilution
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DDH PL-13-005 Designed to intersect the metasediment-pegmatite
contact from the NNE and to test the extent of the
pegmatite towards the granite contact to the SSW
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Zone Width Li2O Cs2O Ta2O5 Nb2O5 SnO2 Rb2O Geology
(m) (%) (%) (ppm) (ppm) (ppm) (%)
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Total Pegmatite
65.0 - 144.1 m 79.10 1.64 0.028 116 93 210 0.29 LIZ/UIZ
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Lithium plus Tantalum and Rubidium enriched
including
65.0 ? 119.0 m 54.00 1.79 0.025 78 61 100 0.33 LIZ
including
119.0 ? 125.0 m 6.00 3.57 0.035 74 37 29 0.18 UIZ
including
125.0 ? 144.1 m 19.10 0.60 0.034 236 204 577 0.20 LIZ
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DDH PL-13-006 Designed to test extent of granitic rock/rafts and
pegmatite zonations above the pegmatite zone
intersected in hole PL-13-001
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Zone Width Li2O Cs2O Ta2O5 Nb2O5 SnO2 Rb2O Geology
(m) (%) (%) (ppm) (ppm) (ppm) (%)
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Pegmatites including granite sheets/rafts
48.5 - 52.85 m 4.35 1.80 0.048 56 25 42 0.22 Pegmatites /Granite
64.0 - 98.75 m 34.75 0.77 0.056 86 53 74 0.41 WZ/CIZ/UIZ /Granite
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Tantalum, Rubidium and Cesium enriched zones
Pegmatite
73.4 - 96.0 m 22.60 n/a 0.064 114 69 96 0.53 WZ/CIZ/LIZ
including
75.0 ? 92.0 m 17.00 n/a 0.071 124 72 108 0.60 CIZ
including
75.0 ? 79.0 m 4.00 n/a 0.096 60 24 65 0.88 CIZ
including
78.0 ? 86.0 m 8.00 n/a 0.074 161 99 156 0.63 CIZ
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Lithium enriched pegmatite
including
67.0 ? 69.15 m 2.15 3.87 0.032 79 30 41 0.10 UIZ
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(1) The intervals in Table I are drill intersection widths. There is
currently insufficient data to determine the true thickness of the
pegmatite.
n/a = Not applicable
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The Upper Intermediate (UIZ), Central Intermediate (CIZ) and Lower Intermediate Zones (LIZ) were previously described in the July 2, 2013 Press Release. Zones of sodic aplite are present in all holes varying in widths from tens of centimetres to several metres and contain significant concentrations of, Ta, Rb and Cs.
Noteworthy observations are that the NNE boundary with the metasediments is consistent and predictable while the SSW contact with the granite is somewhat erratic and complicated by granitic blocks and rafts and appears to have been variably affected (metasomatized) by the pegmatite intrusion events. The mineralized pegmatite remains open to the WNW, ESE and at depth. Granitic blocks/rafts mapped on surface appear to diminish with depth and along strike in both directions. The cesium mineral pollucite commonly occurs within the CIZ intercepts and less commonly within the LIZ. The mineral is found as rounded-blebs and small masses ranging in size from 10 to 30 mm.
The locations of all holes relative to the channel cuts and surface outcrops are illustrated on Figures I to IV along with 4 sections illustrating the assay zones from Table I (located at http://houstonlakemining.com/images/pdf/Figures_July_30_2013.pdf). The current strike length of the pegmatite as defined by surface mapping and drilling remains at 250 m with an estimated width varying from 45 to 125m assuming sub-vertical orientation of the pegmatite body.
HLM has recently received a sub-metre satellite image of the project area, which will be used as a base map for all subsequent work, first of which will be a sub-centimetre total-station survey which will tie together drill collars to the cut grid located outcrops and channel cuts.
"These results confirmed our resolve that the Pakeagama Lake pegmatite is significant in size with abnormally high grades of lithium and rubidium plus tantalum and potential for cesium. We are pleased to have successfully completed the field work for what was a very exciting Phase I drill program." said Trevor R. Walker, President of HLM. "These first drill-hole results near-surface from the Pakeagama Lake pegmatite display significant mineralized widths and continuity confirming potential to become a leading high grade, multi-element, large tonnage exploration target for rare metals in North America. Based on these results, a Phase II diamond drill program has been independently recommended to HLM".
Table II - Collar Locations for Diamond Drill Hole (DDH)
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DDHNo NAD83 (Zone 15N) Elevation Azimuth Inclination Total Depth
Easting Northing (mASL) (m)
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PL-13-001 474561 5827836 329 020 -45 213.3
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PL-13-002 474453 5827835 331 030 -45 191.0
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PL-13-003 474424 5827962 332 030 -45 104.0
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PL-13-004 474493 5827906 330 030 -45 167.0
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PL-13-005 474528 5828043 306 210 -45 161.0
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PL-13-006 474610 5827947 325 210 -45 119.0
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-****-
Due Diligence
All scientific and technical information in this release has been reviewed and approved by Peter J. Vanstone, P.Geo., the qualified person (QP) under the definitions established by National Instrument 43-101. Under HLM's QA/QC procedures, the diamond drill contract specified NQ-sized drill core providing a 47.6 mm diameter sample. The drill holes were oriented perpendicular to the strike of the pegmatite and drilled continuously across it. Sample security and chain of custody started with the removal of core from the core tube and boxing of drill core at the drill site. The boxed core remained under the custody of the drill contractor until it was transported from the drill to the secure on-site Core Shack facility by either the drill contractor or one of the Company's designated personnel. At the on-site Core Shack, core boxes were opened and inspected to ensure correct boxing and labelling of the core by the drill contractor, photographed and then re-closed. The core was stored securely until moved into the Core Shack for processing. The company geologists logged the core, and then marked and tagged it for sampling and splitting. Each core sample was assigned a tag with a unique identifying number. Sample lengths are typically one meter, but can be less depending on zone mineralogy and boundaries. The Core was then re-closed and shipped to the company's off-site core splitting facility in Sudbury, Ontario. Core marked for splitting was cut using a diamond core saw with a mounted jig to assure the core was cut lengthwise into equal halves. Half of the core was sent to an analytical laboratory for quantitative analysis of select elements. The remaining half of the core is retained and incorporated into HLM's secure, off-site core library.
All samples were assayed by an ISO accredited laboratory. Sample blanks along with tantalum, lithium, rubidium and cesium certified reference material was routinely inserted into the sample stream in accordance with industry recommended practices. Field duplicate samples were also taken in accordance with industry recommended practices.
About Houston Lake Mining Inc.
HLM is a mining exploration company that is specialized in rare metals and is actively exploring for lithium (Li), tantalum (Ta), rubidium (Rb) and cesium (Cs) by focusing on its high grade, 100% owned and optioned PAK Rare Metals Project spanning 2,816 hectares (6,958 acres) in northwestern Ontario, Canada. HLM has a total of 75,236,695 common shares issued and outstanding. For additional information, please visit www.houstonlakemining.com.
Company Contact Information
Trevor R. Walker MBA, President
2736 Belisle Drive
Val Caron, ON.
P3N 1B3 CANADA
T. +001 705.897.7622
F. +001 705.897.7618
Forward-looking Statements
Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release. 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, exploration drilling, exploitation activities and events or developments that the Company expects are forward-looking statements. Although the Company believes 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. Factors that could cause actual results to differ materially from those in forward looking statements include market prices, exploitation and exploration successes, continued availability of capital and financing, and general economic, market or business conditions. Investors are cautioned that any such statements are not guarantees of future performance and those actual results or developments may differ materially from those projected in the forward-looking statements. For more information on the Company, Investors should review the Company's registered filings what are available at www.sedar.com.
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Source: Houston Lake Mining Inc. (TSX-V: HLM) (Pink Sheets: HLKMF) http://www.houstonlakemining.com
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