Database name: |
Uranium Deposits, Athabasca Basin |
Custodial agency: |
Geological Survey of Canada |
Compilers: |
Sunil S. Gandhi |
Release date: |
2007-03-02 |
|
|
Deposit name(s): |
Sleek Grid |
Political location(s): |
Canada; Province or state: Nunavut; Nearest community: Baker Lake settlement (88 km 272.5°) |
NTS map data: |
066A05 (Judge Sissons Lake) |
Deposit clan (type): |
Unconformity-associated |
Deposit (sub) types: |
Unconformity-associated - Proterozoic - fracture-bound; low grade mineralization in sheared granite, with illite-sericite alteration; the occurrence is located on the Kiggavik Trend, but differs from other deposits of the trend in host lithology ; Reference: Wallenberg, P., 1994: Update on the Uranium Exploration in the Thelon Basin; In Exploration Overview 1994, Edited by Goff, S. P., Annual Exploration Overview, Department of Indian and Northern Affairs, Canada, Department of Indian and Northern Affairs, Yellowknife, Canada, p. 154 - 155 |
Deposit status: |
advanced prospect; Size category: unknown; Status comments: the prospect explored in 1992 by 5 drill holes totalling 1545 m; the best intersection was 0.3 % U over 2 m |
Geologic province: |
Churchill - Rae Craton |
Geologic subprovince: |
Amer Fold Belt |
Geologic district: |
Eastern Thelon Basin |
Deposit object located: |
drill hole |
Commodities: |
U |
Geological ages: |
Late Paleoproterozoic (host rocks) Late Paleoproterozoic (mineralization) |
Regional tectonic structure: |
linear feature (fault-controlled 20 km linear trend hosting 7 uranium deposits, striking NE and gently convex to the NW, between the Thelon and Sissons Lake faults) Tectonic structure name: Kiggavik Trend fault (ENE-trending normal fault with downfaulted Thelon Formation on the north side against the basement on the south side; parallels the Sissons Lake fault) Tectonic structure name: Thelon fault fault (ENE-trending normal fault with downfaulted sub-Thelon paleosol on the north side against the basement on the south side; parallels the Thelon fault) Tectonic structure name: Sissons Lake fault |
Country rocks: |
(1) paragneiss-orthogneiss; Metamorphic grade: amphibolite |
Links to other databases: |
NUMIN; Key value: 066ASW0020 |
References: |
Goff, S. P. Editor(s)), 1994 |
Exploration Overview 1994 |
Annual Exploration Overview, Department of Indian and Northern Affairs, Canada, Department of Indian and Northern Affairs, Yellowknife, Canada |
Wallenberg, P., 1994 |
Update on the Uranium Exploration in the Thelon Basin |
In Exploration Overview 1994, Edited by Goff, S. P., Annual Exploration Overview, Department of Indian and Northern Affairs, Canada, Department of Indian and Northern Affairs, Yellowknife, Canada, p. 154 - 155 |
|