HLM Confirms High-Grade and Continuity of Rare Metals Mineralization with Remaining Holes from Phase

HLM Confirms High-Grade and Continuity of Rare Metals Mineralization with Remaining Holes from Phase I Drilling on the PAK Rare Metals Project, Ontario

SUDBURY, Ontario--(BUSINESS WIRE)-- Houston Lake Mining Inc. (TSX.V: HLM):

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 Ta205from 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.

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)
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

Zone 

Width
(m)

 

Li2O
(%)

 

Cs2O
(%)

 

Ta2O5
(ppm)

 

Nb2O5
(ppm)

 

SnO2
(ppm)

 

Rb2O
(%)

 Geology

Total Pegmatite

       
 

38.0 - 192.55 m

 154.551.220.064111641370.41LIZ/UIZ
Tantalum, Rubidium and Cesium enriched zones
38.5-97.0 m58.50n/a0.073121651750.55WZ+CIZ
including38.5 - 44.0 m5.50n/a0.061241792580.26WZ
including44.0 - 97.0 m53.00n/a0.075108631660.58
including72.7 - 97.0 m24.30n/a0.0591491001250.54CIZ
including76.0 - 82.0 m6.00n/a0.0402061421210.25
Lithium & Rubidium enriched zones:
97.0 - 192.55 m95.551.620.059105641130.32UIZ+LIZ
Lithium enriched zone:
120.0 - 132.0 m12.002.930.05810850340.24UIZ
including127.0 - 132.0 m5.004.010.05813145270.10
Lithium & Rubidium enriched zones:
120.0 - 192.55 m72.551.960.054106691280.33LIZ+UIZ
including132.0 - 192.55m60.551.760.054106721460.35
including120.0 - 183.0 m64.002.050.060105661040.35
including120.0 -155.0 m 35.00 2.44 0.071 105 42 81 0.37  
    
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.

Zone 

Width
(m)1

 

Li2O
(%)

 

Cs2O
(%)

 

Ta2O5
(ppm)

 

Nb2O5
(ppm)

 

SnO2
(ppm)

 

Rb2O
(%)

 Geology
Pegmatite/Aplite Dyke near surface (Tantalum enriched)
 5.0 - 17.5 m 12.50 0.10 0.025 132 59 32 0.06 Pegmatite
Rubidium and Tantalum enriched zones
174.0 - 191.0 m17.000.860.044134951150.36LIZ/Aplite
including174.0 - 185.0 m 11.00 0.88 0.053 130 82 157 0.51 LIZ 
                   
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.
Zone 

Width
(m)

 

Li2O
(%)

 

Cs2O
(%)

 

Ta2O5
(ppm)

 

Nb2O5
(ppm)

 

SnO2
(ppm)

 

Rb2O
(%)

 Geology
Total Pegmatite
21.0 - 84.05 m *63.052.530.0448358660.22WZ/CIZ/LIZ/UIZ
Tantalum, Rubidium and Cesium enriched zones
including21.0 - 32 0 m11.00n/a0.097169751630.45WZ/CIZ/LIZ
including21.0 - 27.0 m6.00n/a0.123209912070.57CIZ/LIZ
Lithium enriched zones
including27.0 - 83.0 m56.002.610.0357053510.18LIZ/UIZ
including36.0 - 54.0 m18.004.220.0404120210.06UIZ
including54.0 - 84.05 m30.051.670.0267460590.23LIZ
 * Zone includes 1.8 m of metasediments not sampled but included as dilution. 
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.
Zone 

Width
(m)

 

Li2O
(%)

 

Cs2O
(%)

 

Ta2O5
(ppm)

 

Nb2O5
(ppm)

 

SnO2
(ppm)

 

Rb2O
(%)

 Geology
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

Lithium enriched zones
70.30 91.3m21.002.740.0408544690.19UIZ/LIZ/WZ
including70.3 - 85.0 m14.703.430.0355935650.16UIZ
Rubidium enriched zones
including55.0 - 60.55 m5.551.520.0648047740.42LIZ
including120.0 - 130.7 m10.701.820.0236860700.33LIZ
Tantalum and Rubidium enriched zones
including14.2 - 22.0 m7.80n/a0.07210777840.73CIZ
including30.4 - 39.0 m 8.60 n/a 0.036 212 131 192 0.25 CIZ/Aplite
 ** Zone includes 27.25 m of granite not sampled but included as dilution   
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
Zone 

Width
(m)

 

Li2O
(%)

 

Cs2O
(%)

 

 

Ta2O5
(ppm)

 

Nb2O5
(ppm)

 

SnO2
(ppm)

 

Rb2O
(%)

 Geology
Total Pegmatite
65.0 - 144.1 m79.101.640.028116932100.29LIZ/UIZ
Lithium plus Tantalum and Rubidium enriched zones
including65.0 - 119.0 m54.001.790.02578611000.33LIZ
including119.0 - 125.0 m6.003.570.0357437290.18UIZ
including125.0 - 144.1 m 19.10 0.60 0.034 236 204 577 0.20 LIZ
   
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