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File Created: 27-Sep-2012 by Garry J. Payie (GJP)
Last Edit:  04-Jan-2021 by Del Ferguson (DF)

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NMI
Name TWISTED ANKLE, BONSAI Mining Division Liard, Skeena
BCGS Map 104B068
Status Showing NTS Map 104B10E
Latitude 056º 37' 18'' UTM 09 (NAD 83)
Longitude 130º 33' 14'' Northing 6276350
Easting 404650
Commodities Gold, Lead, Zinc Deposit Types
Tectonic Belt Intermontane Terrane Stikine
Capsule Geology

The Twisted Ankle showing is located approximately 83 kilometres north-northwest of Stewart, British Columbia, near the headwaters of Harrymel Creek, a southerly flowing tributary of the Unuk River.

The area of the Twisted Ankle showing is underlain by andestic rocks of the Lower Jurassic Hazelton Group.

The Twisted Ankle showing consists of strongly sericite quartz pytite altered rhyolite of a thin layer of altered siltstones overlying the rhyolite. The siltstone contains up to 50 per cent finely disseminated pyrite, is carbonaceous and shows fine laminations which are planar to disrupted. The rhyolite is host to a stockwork of quartz-pyrite veining and colloform quartz-pyrite open space filling. Veins are commonly less than 1 centimetre wide and contain symmetrical quartz and pyrite bands. Also present are pods of bladed quarts with finely disseminated pyrite. Associated with the pyrite are rare blebs of galena, sphalerite, and tetrahedrite which appear to elevate gold values significantly.

Assays from the Twisted Ankle showing taken on the Bonsai property during the 1994 field season assayed 344 and 429 parts per billion gold and both came from quartz-pyrite veined rhyolite with minor galena, sphalerite, and possible tetrahedrite (Assessment Report 23718). Other samples on the Twisted Ankle showing returned less than 5 to 96 parts per billion gold.

In 2018 Teuton Resources Corp. undertook a prospecting and rock sampling program in the Twisted Ankle-Bonsai Area. Nine of the seventeen samples taken during the survey returned anomalous gold values ranging between 149 and 3,480 parts per billion. Twelve of the seventeen samples returned anomalous arsenic values ranging between 192 and 1,340 parts per million. The highest values were taken from a pyrite pods in a pale grey siliceous matrix/exhalite (Assessment Report 37829).

See Bonsai (104B 383) for details of a common work history.

Bibliography
EMPR ASS RPT 19714, *22894, 23718, 24281, 24712, *27370, 28338, *32243, *32686, *34540, *37829
EMPR EXPL 2003-10,11; 2004-31; 2005-32,33
EMPR Explore B.C. Program 95/96 - M24
EMPR OF 1989-10, MAPS 2004-10, 2006-2
EMPR GEOS MAP 2005-3
EMPR P 1992-1, pp. 521-527; 1993-1, pp. 331-334; 2004-1, pp. 1-18; 2005-1, pp. 1-30; 2006-1, pp. 1-3
GSC MAP 9-1957; 311A; 7780G; 1418A
GSC MEM 246
GSC P 71-4, 89-1E, pp. 145-154
Gunning, M.H. (1986): Late Triassic to Middle Jurassic (Norian to Oxfordian) Volcanic and Sedimentary Stratigraphy and Structure in the Southeastern part of the Iskut map sheet, Northcentral British Columbia; unpublished B.Sc. Thesis, University of British Columbia
Anderson, R.G. 1993. A Mesozoic stratigraphic and plutonic framework for northwestern Stikinia (Iskut River area), northwestern British Columbia, Canada; in Mesozoic Paleogeography of the Western United States--II, (ed.), G. Dunne and K. McDougall; Society of Economic Palaeontologists and Mineralogists, Pacific Section, vol. 71, p. 477- 494.
Barresi, T., Dostal, J. and Nelson, J. 2008. Metallogenic and Tectonic Significance of mafic volcanism in the Early to Middle Jurassic Hazelton Group, northwestern British Columbia; Atlantic Geology, vol. 44, p. 3-4.
Gagnon, J.F., Barresi, T., Waldron, J.W.F., Nelson, J.L., Poulton, T.P. and Cordey, F. 2012. Stratigraphy of the upper Hazelton Group and the Jurassic evolution of the Stikine terrane, British Columbia, Canadian Journal of Earth Sciences, vol.49, p. 1027-1052.
Lewis, P. D., Toma, A. and Tosdal, R. M. 2001. Metallogenesis of the Iskut River Area, Northwestern British Columbia; MDRU Special Publication Number 1, CD, Mineral Deposit Research Unit, The University of British Columbia.
Roth, T. 2002. Physical and chemical constraints on mineralization in the Eskay Creek Deposit, northwestern British Columbia; evidence from petrography, mineral chemistry, and sulfur isotopes. Ph.D. thesis, Department of Earth and Ocean Sciences, University of British Columbia, Vancouver.
N MINER Oct 7, 2003
CMJ Aug 13, 2003
PR REL Jul.5,13, Sept.2, 2003; May 18, Sept.15, Nov.5, 2004; Aug.15, 2005
Kruchkowski, E. (2009-12-14): National Instrument 43-101 F1 Technical Report on Bonsai Property
Kruchkowski, E. (2010-03-05): National Instrument 43-101 F1 - Revised Technical Report on Bonsai Property

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