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<!DOCTYPE html
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<title>U-Th-REE deposits & occurrences, v.3.7n</title>
</head><body>
<div class="centered">
<h2>CANADIAN AND WORLD MINERAL DEPOSIT DATABASES<br />
Geological Survey of Canada</h2>
</div>
<hr />
<table border="1" cellspacing="2" cellpadding="2" class="tcentered">
<tr><td class="centered"><b>Deposit number</b></td>
<td class="centered"><b>Country</b></td>
<td class="centered"><b>Location</b></td>
<td class="centered"><b>Names</b></td>
<td class="centered"><b>Commodities</b></td></tr>
<tr><td class="centered">100079</td>
<td>Canada (Northwest Territories)</td>
<td>61.18.26 N -- 109.56.42 W</td>
<td>Thekulthili Lake - Central Zone (Seru Nucleaire); Kan 4 Claim</td>
<td>U; Cu</td>
</tr></table>
<div class="lefttop"> </div>
<table border="1" cellspacing="2" cellpadding= "2">
<tr><td class="righttop"><b>Database name:</b></td>
<td class="lefttop">Canadian U-Th-REE deposits and occurrences</td></tr>
<tr><td class="righttop"><b>Custodial agency:</b></td>
<td class="lefttop">Geological Survey of Canada</td></tr>
<tr><td class="righttop"><b>Compilers:</b></td>
<td class="lefttop">S.S. Gandhi, N. Prasad, L.B. Chorlton, C. Richer and D.R. Lentz</td></tr>
<tr><td class="righttop"><b>Release date:</b></td>
<td class="lefttop">2015-11-27</td></tr>
<tr><td class="righttop"> </td>
<td class="lefttop"> </td></tr>
<tr><td class="righttop"><b>Deposit name(s):</b></td>
<td class="lefttop"><span class="all">Thekulthili Lake - Central Zone (Seru Nucleaire) (occurrence name)</span>; <span class="all">Kan 4 Claim (claim name)</span></td></tr>
<tr><td class="righttop"><b>Political location(s):</b></td>
<td class="lefttop"><span class="all">Canada; <span class="underlined">Province or state</span>: Northwest Territories</span></td></tr>
<tr><td class="righttop"><b>NTS map data:</b></td>
<td class="lefttop"><span class="all">075F05 (Salkeld Lake)</span></td></tr>
<tr><td class="righttop"><b>Deposit clan (type):</b></td>
<td class="lefttop">Veins</td></tr>
<tr><td class="righttop"><b>Deposit (sub) types:</b></td>
<td class="lefttop"><span class="all">Veins - fracture filling and veinlets; 11 anomalies are found near faults in Centarl zone in the microdiorite (Diabase?) dyke and also in vicinity of the dyke and feldspathic quartzite (Nonacho or basement?) contact.; <span class="underlined">Reference</span>: Kwan, P. L., 1980: Assessment Work Report on Claims KAN 1 to Kan 8, Northwest Thekulthili Lake Area, District of MacKenzie, N.W.T.. (081232); Mineral Assessment Report, Seru Nucleaire Canada Ltd, Indian and Northern Affairs Canada, Publication code 081232</span></td></tr>
<tr><td class="righttop"><b>Deposit status:</b></td>
<td class="lefttop"><span class="all">showing; <span class="underlined">Size category</span>: unknown</span></td></tr>
<tr><td class="righttop"><b>Geologic province:</b></td>
<td class="lefttop">Churchill - Rae Craton</td></tr>
<tr><td class="righttop"><b>Geologic subprovince:</b></td>
<td class="lefttop">Nonacho Basin</td></tr>
<tr><td class="righttop"><b>Deposit object located:</b></td>
<td class="lefttop">sample location</td></tr>
<tr><td class="righttop"><b>Commodities:</b></td>
<td class="lefttop">U; Cu</td></tr>
<tr><td class="righttop"><b>Mineralization styles:</b></td>
<td class="lefttop"><span class="all">veinlets (mineralized zone)</span></td></tr>
<tr><td class="righttop"><b>Geological ages:</b></td>
<td class="lefttop">Archean - Mesoproterozoic (host rocks)</td></tr>
<tr><td class="righttop"><b>Coincident features:</b></td>
<td class="lefttop"><span class="all">dyke() (microdiorite (Diabase ?)); <span class="underlined">Coincident feature name</span>: Sparrow Dyke Swarm</span><br /><span class="all">fracture(s)</span></td></tr>
<tr><td class="righttop"><b>Host rocks:</b></td>
<td class="lefttop"><span class="all">(1) intrusive; gabbro-diorite suite; <span class="underlined">Metamorphic grade</span>: unknown; <span class="underlined">Component</span>: host rocks</span><table border="1" cellspacing="2" cellpadding= "2"><tr><td class="righttop"><b>External host rock forms:</b></td><td class="lefttop">dyke</td></tr><tr><td class="righttop"><b>Individual lithologies:</b></td><td class="lefttop">diorite (microdiorite (diabase ?))</td></tr></table></td></tr>
<tr><td class="righttop"><b>Related igneous rocks:</b></td>
<td class="lefttop"><span class="all">(1) intrusive; quartz monzonite-monzogabbro suite</span><table border="1" cellspacing="2" cellpadding= "2"><tr><td class="righttop"><b>Individual lithologies:</b></td><td class="lefttop">diorite</td></tr></table></td></tr>
<tr><td class="righttop"><b>Mineralogy:</b></td>
<td class="lefttop">malachite<br />(gangue): calcite, hematite<br />(mineralization): yellow U oxides<br />(mineralization - vein / mineralized zone): pitchblende</td></tr>
<tr><td class="righttop"><b>Deposit shape:</b></td>
<td class="lefttop"><span class="all">elongate; <span class="underlined">Component</span>: mineralized zone</span><table border="1" cellspacing="2" cellpadding= "2"><tr><td class="righttop"><b>Deposit dimensions:</b></td><td class="lefttop">length: 70 metres<br />width: 30 metres</td></tr></table></td></tr>
<tr><td class="righttop"><b>Qualified comments:</b></td>
<td class="lefttop"><span class="all">(<span class="underlined">Applies to</span>: mineralization) This section of the dyke, trending 120 degrees, is displaced for 250 m and 20 m respectively by 2 sinistral faults. Eleven anomalies are found adjacent to these faults 70 m in length and 30 m wide, the entire width of the dyke. Other anomalies in this zone occur in the vein or at its contact. Mineralization is associated with hematite and calcite and fractures in the dyke or its contacts.</span><br /><br /><span class="all">(<span class="underlined">Applies to</span>: rock analysis and sample assays) Highest assay of 8.0 % U3O8 came from sample N-725B. However many samples assayed in the range of 1-2 % U3O8 and up to 3000 ppm Cu.</span></td></tr>
<tr><td class="righttop"><b>Geophysical-chemical signature:</b></td>
<td class="lefttop"><span class="all"><span class="underlined">Signature type</span>: Ground Radiometrics; <span class="underlined">Response type</span>: positive (strong)</span></td></tr>
<tr><td class="righttop"><b>Sample data:</b></td>
<td class="lefttop"><span class="all">(1) <span class="underlined">Sample type</span>: grab sample - select ?; <span class="underlined">Sample description</span>: sample N-725B; Anomaly AN-59; <span class="underlined">Source ID</span>: Appendix 1; p. 38- 40; <span class="underlined">Collector</span>: Kwan</span><table border="1" cellspacing="2" cellpadding= "2"><tr><td class="righttop"><b>Grade-commodity information:</b></td><td class="lefttop">U3O8: 8 percent<br />Th: 100 ppm<br />Cu: 1,800 ppm</td></tr></table><span class="all"><span class="underlined">Reference</span>: Kwan, P. L., 1980: Assessment Work Report on Claims KAN 1 to Kan 8, Northwest Thekulthili Lake Area, District of MacKenzie, N.W.T.. (081232); Mineral Assessment Report, Seru Nucleaire Canada Ltd, Indian and Northern Affairs Canada, Publication code 081232</span><br /><span class="all">(2) <span class="underlined">Sample type</span>: grab sample - select ?; <span class="underlined">Sample description</span>: Anomaly An-61; sample N-726A; <span class="underlined">Source ID</span>: Appendix 1; p. 38-40; <span class="underlined">Collector</span>: Kwan</span><table border="1" cellspacing="2" cellpadding= "2"><tr><td class="righttop"><b>Grade-commodity information:</b></td><td class="lefttop">U3O8: 2.8 percent<br />Th: 151 ppm<br />Cu: 1,250 ppm</td></tr></table><span class="all"><span class="underlined">Reference</span>: Kwan, P. L., 1980: Assessment Work Report on Claims KAN 1 to Kan 8, Northwest Thekulthili Lake Area, District of MacKenzie, N.W.T.. (081232); Mineral Assessment Report, Seru Nucleaire Canada Ltd, Indian and Northern Affairs Canada, Publication code 081232</span></td></tr>
<tr><td class="righttop"><b>References:</b></td>
<td>
<table border="1" cellspacing="0" cellpadding="0">
<tr><td>Kwan, P. L., 1980</td></tr>
<tr><td>Assessment Work Report on Claims KAN 1 to Kan 8, Northwest Thekulthili Lake Area, District of MacKenzie, N.W.T.. (081232)</td></tr>
<tr><td class="lefttop">Mineral Assessment Report, Seru Nucleaire Canada Ltd, Indian and Northern Affairs Canada, Publication code 081232</td></tr>
</table>
<br />
<table border="1" cellspacing="0" cellpadding="0">
<tr><td>Maurice, Y. T.; Plant, A. G., 1979</td></tr>
<tr><td>Some Mineralogical and Geochemical Characteristics of Uranium Occurrences in the Nonacho Lake Area (79-1BP179)</td></tr>
<tr><td class="lefttop">Paper, Geological Survey of Canada, Publication code 79-1BP179</td></tr>
</table>
<br />
</td></tr>
<tr><td class="righttop"><b>Associated group(s):</b></td>
<td class="lefttop">Thekulthili Lake (40006)</td></tr>
</table>
<hr />
<div class="centered"><h4>Generated 2015-11-27 15:32:07 with GQuery -- 3.7 ADO (3.19..3.22 -- 2008-12-16)<br />GlobalDB System, Geological Survey of Canada, Natural Resources Canada</h4></div>
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